http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c91fafb4/testdevapidocs/src-html/org/apache/hadoop/hbase/master/procedure/TestMasterProcedureScheduler.TestRegionProcedure.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/procedure/TestMasterProcedureScheduler.TestRegionProcedure.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/procedure/TestMasterProcedureScheduler.TestRegionProcedure.html
index c60bc1a..ae8d0f7 100644
--- 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/procedure/TestMasterProcedureScheduler.TestRegionProcedure.html
+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/procedure/TestMasterProcedureScheduler.TestRegionProcedure.html
@@ -28,1102 +28,1131 @@
 <span class="sourceLineNo">020</span>import static 
org.junit.Assert.assertEquals;<a name="line.20"></a>
 <span class="sourceLineNo">021</span>import static 
org.junit.Assert.assertFalse;<a name="line.21"></a>
 <span class="sourceLineNo">022</span>import static 
org.junit.Assert.assertNull;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import static 
org.junit.Assert.assertTrue;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.io.IOException;<a 
name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.lang.reflect.Field;<a 
name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.lang.reflect.Method;<a 
name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.Arrays;<a 
name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.List;<a 
name="line.29"></a>
-<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.HRegionInfo;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.ServerName;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.master.locking.LockProcedure;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.procedure2.LockType;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.procedure2.LockedResource;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.procedure2.LockedResourceType;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.procedure2.ProcedureEvent;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.TestProcedure;<a 
name="line.40"></a>
-<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.junit.After;<a 
name="line.44"></a>
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name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.junit.ClassRule;<a 
name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.junit.Rule;<a 
name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.junit.Test;<a 
name="line.48"></a>
-<span class="sourceLineNo">049</span>import 
org.junit.experimental.categories.Category;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.junit.rules.TestName;<a 
name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.slf4j.Logger;<a 
name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a 
name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span>@Category({MasterTests.class, 
SmallTests.class})<a name="line.54"></a>
-<span class="sourceLineNo">055</span>public class TestMasterProcedureScheduler 
{<a name="line.55"></a>
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-<span class="sourceLineNo">057</span>  @ClassRule<a name="line.57"></a>
-<span class="sourceLineNo">058</span>  public static final HBaseClassTestRule 
CLASS_RULE =<a name="line.58"></a>
-<span class="sourceLineNo">059</span>      
HBaseClassTestRule.forClass(TestMasterProcedureScheduler.class);<a 
name="line.59"></a>
+<span class="sourceLineNo">023</span>import static 
org.junit.Assert.assertSame;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import static 
org.junit.Assert.assertTrue;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.io.IOException;<a 
name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.lang.reflect.Field;<a 
name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.lang.reflect.Method;<a 
name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.Arrays;<a 
name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.List;<a 
name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.HRegionInfo;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.ServerName;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.client.RegionInfo;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.master.locking.LockProcedure;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.master.procedure.TableProcedureInterface.TableOperationType;<a
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+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.procedure2.LockType;<a name="line.39"></a>
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org.apache.hadoop.hbase.procedure2.LockedResource;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.procedure2.LockedResourceType;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.procedure2.ProcedureEvent;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import 
org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.TestProcedure;<a 
name="line.44"></a>
+<span class="sourceLineNo">045</span>import 
org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import 
org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.junit.After;<a 
name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.junit.Before;<a 
name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.junit.ClassRule;<a 
name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.junit.Rule;<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.junit.Test;<a 
name="line.52"></a>
+<span class="sourceLineNo">053</span>import 
org.junit.experimental.categories.Category;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.junit.rules.TestName;<a 
name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.Logger;<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.slf4j.LoggerFactory;<a 
name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>@Category({MasterTests.class, 
SmallTests.class})<a name="line.58"></a>
+<span class="sourceLineNo">059</span>public class TestMasterProcedureScheduler 
{<a name="line.59"></a>
 <span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>  private static final Logger LOG = 
LoggerFactory.getLogger(TestMasterProcedureScheduler.class);<a 
name="line.61"></a>
-<span class="sourceLineNo">062</span><a name="line.62"></a>
-<span class="sourceLineNo">063</span>  private MasterProcedureScheduler 
queue;<a name="line.63"></a>
+<span class="sourceLineNo">061</span>  @ClassRule<a name="line.61"></a>
+<span class="sourceLineNo">062</span>  public static final HBaseClassTestRule 
CLASS_RULE =<a name="line.62"></a>
+<span class="sourceLineNo">063</span>      
HBaseClassTestRule.forClass(TestMasterProcedureScheduler.class);<a 
name="line.63"></a>
 <span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span>  @Rule<a name="line.65"></a>
-<span class="sourceLineNo">066</span>  public TestName name = new 
TestName();<a name="line.66"></a>
-<span class="sourceLineNo">067</span><a name="line.67"></a>
-<span class="sourceLineNo">068</span>  @Before<a name="line.68"></a>
-<span class="sourceLineNo">069</span>  public void setUp() throws IOException 
{<a name="line.69"></a>
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MasterProcedureScheduler();<a name="line.70"></a>
-<span class="sourceLineNo">071</span>    queue.start();<a name="line.71"></a>
-<span class="sourceLineNo">072</span>  }<a name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span>  @After<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  public void tearDown() throws 
IOException {<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    assertEquals("proc-queue expected to 
be empty", 0, queue.size());<a name="line.76"></a>
-<span class="sourceLineNo">077</span>    queue.stop();<a name="line.77"></a>
-<span class="sourceLineNo">078</span>    queue.clear();<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  }<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span>  /**<a name="line.81"></a>
-<span class="sourceLineNo">082</span>   * Verify simple 
create/insert/fetch/delete of the table queue.<a name="line.82"></a>
-<span class="sourceLineNo">083</span>   */<a name="line.83"></a>
-<span class="sourceLineNo">084</span>  @Test<a name="line.84"></a>
-<span class="sourceLineNo">085</span>  public void testSimpleTableOpsQueues() 
throws Exception {<a name="line.85"></a>
-<span class="sourceLineNo">086</span>    final int NUM_TABLES = 10;<a 
name="line.86"></a>
-<span class="sourceLineNo">087</span>    final int NUM_ITEMS = 10;<a 
name="line.87"></a>
-<span class="sourceLineNo">088</span><a name="line.88"></a>
-<span class="sourceLineNo">089</span>    int count = 0;<a name="line.89"></a>
-<span class="sourceLineNo">090</span>    for (int i = 1; i &lt;= NUM_TABLES; 
++i) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span>      TableName tableName = 
TableName.valueOf(String.format("test-%04d", i));<a name="line.91"></a>
-<span class="sourceLineNo">092</span>      // insert items<a 
name="line.92"></a>
-<span class="sourceLineNo">093</span>      for (int j = 1; j &lt;= NUM_ITEMS; 
++j) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span>        queue.addBack(new 
TestTableProcedure(i * 1000 + j, tableName,<a name="line.94"></a>
-<span class="sourceLineNo">095</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.95"></a>
-<span class="sourceLineNo">096</span>        assertEquals(++count, 
queue.size());<a name="line.96"></a>
-<span class="sourceLineNo">097</span>      }<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    }<a name="line.98"></a>
-<span class="sourceLineNo">099</span>    assertEquals(NUM_TABLES * NUM_ITEMS, 
queue.size());<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span>    for (int j = 1; j &lt;= NUM_ITEMS; 
++j) {<a name="line.101"></a>
-<span class="sourceLineNo">102</span>      for (int i = 1; i &lt;= NUM_TABLES; 
++i) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span>        Procedure proc = queue.poll();<a 
name="line.103"></a>
-<span class="sourceLineNo">104</span>        assertTrue(proc != null);<a 
name="line.104"></a>
-<span class="sourceLineNo">105</span>        TableName tableName = 
((TestTableProcedure)proc).getTableName();<a name="line.105"></a>
-<span class="sourceLineNo">106</span>        
queue.waitTableExclusiveLock(proc, tableName);<a name="line.106"></a>
-<span class="sourceLineNo">107</span>        
queue.wakeTableExclusiveLock(proc, tableName);<a name="line.107"></a>
-<span class="sourceLineNo">108</span>        queue.completionCleanup(proc);<a 
name="line.108"></a>
-<span class="sourceLineNo">109</span>        assertEquals(--count, 
queue.size());<a name="line.109"></a>
-<span class="sourceLineNo">110</span>        assertEquals(i * 1000 + j, 
proc.getProcId());<a name="line.110"></a>
-<span class="sourceLineNo">111</span>      }<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    }<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    assertEquals(0, queue.size());<a 
name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span>    for (int i = 1; i &lt;= NUM_TABLES; 
++i) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span>      final TableName tableName = 
TableName.valueOf(String.format("test-%04d", i));<a name="line.116"></a>
-<span class="sourceLineNo">117</span>      final TestTableProcedure dummyProc 
= new TestTableProcedure(100, tableName,<a name="line.117"></a>
-<span class="sourceLineNo">118</span>        
TableProcedureInterface.TableOperationType.DELETE);<a name="line.118"></a>
-<span class="sourceLineNo">119</span>      // complete the table deletion<a 
name="line.119"></a>
-<span class="sourceLineNo">120</span>      
assertTrue(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.120"></a>
-<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
-<span class="sourceLineNo">122</span>  }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span>  /**<a name="line.124"></a>
-<span class="sourceLineNo">125</span>   * Check that the table queue is not 
deletable until every procedure<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   * in-progress is completed (this is a 
special case for write-locks).<a name="line.126"></a>
-<span class="sourceLineNo">127</span>   */<a name="line.127"></a>
-<span class="sourceLineNo">128</span>  @Test<a name="line.128"></a>
-<span class="sourceLineNo">129</span>  public void 
testCreateDeleteTableOperationsWithWriteLock() throws Exception {<a 
name="line.129"></a>
-<span class="sourceLineNo">130</span>    final TableName tableName = 
TableName.valueOf(name.getMethodName());<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span>    final TestTableProcedure dummyProc = 
new TestTableProcedure(100, tableName,<a name="line.132"></a>
-<span class="sourceLineNo">133</span>        
TableProcedureInterface.TableOperationType.DELETE);<a name="line.133"></a>
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-<span class="sourceLineNo">135</span>    queue.addBack(new 
TestTableProcedure(1, tableName,<a name="line.135"></a>
-<span class="sourceLineNo">136</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span>    // table can't be deleted because one 
item is in the queue<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    
assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.139"></a>
-<span class="sourceLineNo">140</span><a name="line.140"></a>
-<span class="sourceLineNo">141</span>    // fetch item and take a lock<a 
name="line.141"></a>
-<span class="sourceLineNo">142</span>    Procedure proc = queue.poll();<a 
name="line.142"></a>
-<span class="sourceLineNo">143</span>    assertEquals(1, proc.getProcId());<a 
name="line.143"></a>
-<span class="sourceLineNo">144</span>    // take the xlock<a 
name="line.144"></a>
-<span class="sourceLineNo">145</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.145"></a>
-<span class="sourceLineNo">146</span>    // table can't be deleted because we 
have the lock<a name="line.146"></a>
-<span class="sourceLineNo">147</span>    assertEquals(0, queue.size());<a 
name="line.147"></a>
-<span class="sourceLineNo">148</span>    
assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.148"></a>
-<span class="sourceLineNo">149</span>    // release the xlock<a 
name="line.149"></a>
-<span class="sourceLineNo">150</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    // complete the table deletion<a 
name="line.151"></a>
-<span class="sourceLineNo">152</span>    
assertTrue(queue.markTableAsDeleted(tableName, proc));<a name="line.152"></a>
-<span class="sourceLineNo">153</span>  }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span>  /**<a name="line.155"></a>
-<span class="sourceLineNo">156</span>   * Check that the table queue is not 
deletable until every procedure<a name="line.156"></a>
-<span class="sourceLineNo">157</span>   * in-progress is completed (this is a 
special case for read-locks).<a name="line.157"></a>
-<span class="sourceLineNo">158</span>   */<a name="line.158"></a>
-<span class="sourceLineNo">159</span>  @Test<a name="line.159"></a>
-<span class="sourceLineNo">160</span>  public void 
testCreateDeleteTableOperationsWithReadLock() throws Exception {<a 
name="line.160"></a>
-<span class="sourceLineNo">161</span>    final TableName tableName = 
TableName.valueOf(name.getMethodName());<a name="line.161"></a>
-<span class="sourceLineNo">162</span>    final int nitems = 2;<a 
name="line.162"></a>
-<span class="sourceLineNo">163</span><a name="line.163"></a>
-<span class="sourceLineNo">164</span>    final TestTableProcedure dummyProc = 
new TestTableProcedure(100, tableName,<a name="line.164"></a>
-<span class="sourceLineNo">165</span>        
TableProcedureInterface.TableOperationType.DELETE);<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span>    for (int i = 1; i &lt;= nitems; ++i) 
{<a name="line.167"></a>
-<span class="sourceLineNo">168</span>      queue.addBack(new 
TestTableProcedure(i, tableName,<a name="line.168"></a>
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TableProcedureInterface.TableOperationType.READ));<a name="line.169"></a>
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-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span>    // table can't be deleted because one 
item is in the queue<a name="line.172"></a>
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assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span>    Procedure[] procs = new 
Procedure[nitems];<a name="line.175"></a>
-<span class="sourceLineNo">176</span>    for (int i = 0; i &lt; nitems; ++i) 
{<a name="line.176"></a>
-<span class="sourceLineNo">177</span>      // fetch item and take a lock<a 
name="line.177"></a>
-<span class="sourceLineNo">178</span>      Procedure proc = procs[i] = 
queue.poll();<a name="line.178"></a>
-<span class="sourceLineNo">179</span>      assertEquals(i + 1, 
proc.getProcId());<a name="line.179"></a>
-<span class="sourceLineNo">180</span>      // take the rlock<a 
name="line.180"></a>
-<span class="sourceLineNo">181</span>      assertEquals(false, 
queue.waitTableSharedLock(proc, tableName));<a name="line.181"></a>
-<span class="sourceLineNo">182</span>      // table can't be deleted because 
we have locks and/or items in the queue<a name="line.182"></a>
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assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.183"></a>
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-<span class="sourceLineNo">185</span><a name="line.185"></a>
-<span class="sourceLineNo">186</span>    for (int i = 0; i &lt; nitems; ++i) 
{<a name="line.186"></a>
-<span class="sourceLineNo">187</span>      // table can't be deleted because 
we have locks<a name="line.187"></a>
-<span class="sourceLineNo">188</span>      
assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.188"></a>
-<span class="sourceLineNo">189</span>      // release the rlock<a 
name="line.189"></a>
-<span class="sourceLineNo">190</span>      queue.wakeTableSharedLock(procs[i], 
tableName);<a name="line.190"></a>
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-<span class="sourceLineNo">192</span><a name="line.192"></a>
-<span class="sourceLineNo">193</span>    // there are no items and no lock in 
the queeu<a name="line.193"></a>
-<span class="sourceLineNo">194</span>    assertEquals(0, queue.size());<a 
name="line.194"></a>
-<span class="sourceLineNo">195</span>    // complete the table deletion<a 
name="line.195"></a>
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assertTrue(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.196"></a>
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TableProcedureInterface.TableOperationType.EDIT));<a name="line.206"></a>
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TestTableProcedure(2, tableName,<a name="line.207"></a>
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TableProcedureInterface.TableOperationType.READ));<a name="line.208"></a>
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TestTableProcedure(3, tableName,<a name="line.209"></a>
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LoggerFactory.getLogger(TestMasterProcedureScheduler.class);<a 
name="line.65"></a>
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+<span class="sourceLineNo">067</span>  private MasterProcedureScheduler 
queue;<a name="line.67"></a>
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TestName();<a name="line.70"></a>
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{<a name="line.73"></a>
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MasterProcedureScheduler();<a name="line.74"></a>
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IOException {<a name="line.79"></a>
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be empty", 0, queue.size());<a name="line.80"></a>
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+<span class="sourceLineNo">082</span>    queue.clear();<a name="line.82"></a>
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+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span>  /**<a name="line.85"></a>
+<span class="sourceLineNo">086</span>   * Verify simple 
create/insert/fetch/delete of the table queue.<a name="line.86"></a>
+<span class="sourceLineNo">087</span>   */<a name="line.87"></a>
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throws Exception {<a name="line.89"></a>
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name="line.90"></a>
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name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
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++i) {<a name="line.94"></a>
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TableName.valueOf(String.format("test-%04d", i));<a name="line.95"></a>
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name="line.96"></a>
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++j) {<a name="line.97"></a>
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TestTableProcedure(i * 1000 + j, tableName,<a name="line.98"></a>
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TableProcedureInterface.TableOperationType.EDIT));<a name="line.99"></a>
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queue.size());<a name="line.100"></a>
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queue.size());<a name="line.103"></a>
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++j) {<a name="line.105"></a>
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++i) {<a name="line.106"></a>
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name="line.107"></a>
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name="line.108"></a>
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((TestTableProcedure)proc).getTableName();<a name="line.109"></a>
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queue.waitTableExclusiveLock(proc, tableName);<a name="line.110"></a>
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queue.wakeTableExclusiveLock(proc, tableName);<a name="line.111"></a>
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name="line.112"></a>
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queue.size());<a name="line.113"></a>
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proc.getProcId());<a name="line.114"></a>
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name="line.117"></a>
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+<span class="sourceLineNo">119</span>    for (int i = 1; i &lt;= NUM_TABLES; 
++i) {<a name="line.119"></a>
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TableName.valueOf(String.format("test-%04d", i));<a name="line.120"></a>
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= new TestTableProcedure(100, tableName,<a name="line.121"></a>
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TableProcedureInterface.TableOperationType.DELETE);<a name="line.122"></a>
+<span class="sourceLineNo">123</span>      // complete the table deletion<a 
name="line.123"></a>
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assertTrue(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.124"></a>
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+<span class="sourceLineNo">126</span>  }<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span>  /**<a name="line.128"></a>
+<span class="sourceLineNo">129</span>   * Check that the table queue is not 
deletable until every procedure<a name="line.129"></a>
+<span class="sourceLineNo">130</span>   * in-progress is completed (this is a 
special case for write-locks).<a name="line.130"></a>
+<span class="sourceLineNo">131</span>   */<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  @Test<a name="line.132"></a>
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testCreateDeleteTableOperationsWithWriteLock() throws Exception {<a 
name="line.133"></a>
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TableName.valueOf(name.getMethodName());<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span>    final TestTableProcedure dummyProc = 
new TestTableProcedure(100, tableName,<a name="line.136"></a>
+<span class="sourceLineNo">137</span>        
TableProcedureInterface.TableOperationType.DELETE);<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span>    queue.addBack(new 
TestTableProcedure(1, tableName,<a name="line.139"></a>
+<span class="sourceLineNo">140</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
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item is in the queue<a name="line.142"></a>
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assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>    // fetch item and take a lock<a 
name="line.145"></a>
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name="line.146"></a>
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name="line.147"></a>
+<span class="sourceLineNo">148</span>    // take the xlock<a 
name="line.148"></a>
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queue.waitTableExclusiveLock(proc, tableName));<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    // table can't be deleted because we 
have the lock<a name="line.150"></a>
+<span class="sourceLineNo">151</span>    assertEquals(0, queue.size());<a 
name="line.151"></a>
+<span class="sourceLineNo">152</span>    
assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.152"></a>
+<span class="sourceLineNo">153</span>    // release the xlock<a 
name="line.153"></a>
+<span class="sourceLineNo">154</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.154"></a>
+<span class="sourceLineNo">155</span>    // complete the table deletion<a 
name="line.155"></a>
+<span class="sourceLineNo">156</span>    
assertTrue(queue.markTableAsDeleted(tableName, proc));<a name="line.156"></a>
+<span class="sourceLineNo">157</span>  }<a name="line.157"></a>
+<span class="sourceLineNo">158</span><a name="line.158"></a>
+<span class="sourceLineNo">159</span>  /**<a name="line.159"></a>
+<span class="sourceLineNo">160</span>   * Check that the table queue is not 
deletable until every procedure<a name="line.160"></a>
+<span class="sourceLineNo">161</span>   * in-progress is completed (this is a 
special case for read-locks).<a name="line.161"></a>
+<span class="sourceLineNo">162</span>   */<a name="line.162"></a>
+<span class="sourceLineNo">163</span>  @Test<a name="line.163"></a>
+<span class="sourceLineNo">164</span>  public void 
testCreateDeleteTableOperationsWithReadLock() throws Exception {<a 
name="line.164"></a>
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TableName.valueOf(name.getMethodName());<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    final int nitems = 2;<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span><a name="line.167"></a>
+<span class="sourceLineNo">168</span>    final TestTableProcedure dummyProc = 
new TestTableProcedure(100, tableName,<a name="line.168"></a>
+<span class="sourceLineNo">169</span>        
TableProcedureInterface.TableOperationType.DELETE);<a name="line.169"></a>
+<span class="sourceLineNo">170</span><a name="line.170"></a>
+<span class="sourceLineNo">171</span>    for (int i = 1; i &lt;= nitems; ++i) 
{<a name="line.171"></a>
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TestTableProcedure(i, tableName,<a name="line.172"></a>
+<span class="sourceLineNo">173</span>            
TableProcedureInterface.TableOperationType.READ));<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    }<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span>    // table can't be deleted because one 
item is in the queue<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    
assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span>    Procedure[] procs = new 
Procedure[nitems];<a name="line.179"></a>
+<span class="sourceLineNo">180</span>    for (int i = 0; i &lt; nitems; ++i) 
{<a name="line.180"></a>
+<span class="sourceLineNo">181</span>      // fetch item and take a lock<a 
name="line.181"></a>
+<span class="sourceLineNo">182</span>      Procedure proc = procs[i] = 
queue.poll();<a name="line.182"></a>
+<span class="sourceLineNo">183</span>      assertEquals(i + 1, 
proc.getProcId());<a name="line.183"></a>
+<span class="sourceLineNo">184</span>      // take the rlock<a 
name="line.184"></a>
+<span class="sourceLineNo">185</span>      assertEquals(false, 
queue.waitTableSharedLock(proc, tableName));<a name="line.185"></a>
+<span class="sourceLineNo">186</span>      // table can't be deleted because 
we have locks and/or items in the queue<a name="line.186"></a>
+<span class="sourceLineNo">187</span>      
assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.187"></a>
+<span class="sourceLineNo">188</span>    }<a name="line.188"></a>
+<span class="sourceLineNo">189</span><a name="line.189"></a>
+<span class="sourceLineNo">190</span>    for (int i = 0; i &lt; nitems; ++i) 
{<a name="line.190"></a>
+<span class="sourceLineNo">191</span>      // table can't be deleted because 
we have locks<a name="line.191"></a>
+<span class="sourceLineNo">192</span>      
assertFalse(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.192"></a>
+<span class="sourceLineNo">193</span>      // release the rlock<a 
name="line.193"></a>
+<span class="sourceLineNo">194</span>      queue.wakeTableSharedLock(procs[i], 
tableName);<a name="line.194"></a>
+<span class="sourceLineNo">195</span>    }<a name="line.195"></a>
+<span class="sourceLineNo">196</span><a name="line.196"></a>
+<span class="sourceLineNo">197</span>    // there are no items and no lock in 
the queeu<a name="line.197"></a>
+<span class="sourceLineNo">198</span>    assertEquals(0, queue.size());<a 
name="line.198"></a>
+<span class="sourceLineNo">199</span>    // complete the table deletion<a 
name="line.199"></a>
+<span class="sourceLineNo">200</span>    
assertTrue(queue.markTableAsDeleted(tableName, dummyProc));<a 
name="line.200"></a>
+<span class="sourceLineNo">201</span>  }<a name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span>  /**<a name="line.203"></a>
+<span class="sourceLineNo">204</span>   * Verify the correct logic of RWLocks 
on the queue<a name="line.204"></a>
+<span class="sourceLineNo">205</span>   */<a name="line.205"></a>
+<span class="sourceLineNo">206</span>  @Test<a name="line.206"></a>
+<span class="sourceLineNo">207</span>  public void testVerifyRwLocks() throws 
Exception {<a name="line.207"></a>
+<span class="sourceLineNo">208</span>    final TableName tableName = 
TableName.valueOf(name.getMethodName());<a name="line.208"></a>
+<span class="sourceLineNo">209</span>    queue.addBack(new 
TestTableProcedure(1, tableName,<a name="line.209"></a>
 <span class="sourceLineNo">210</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.210"></a>
-<span class="sourceLineNo">211</span>    queue.addBack(new 
TestTableProcedure(4, tableName,<a name="line.211"></a>
+<span class="sourceLineNo">211</span>    queue.addBack(new 
TestTableProcedure(2, tableName,<a name="line.211"></a>
 <span class="sourceLineNo">212</span>          
TableProcedureInterface.TableOperationType.READ));<a name="line.212"></a>
-<span class="sourceLineNo">213</span>    queue.addBack(new 
TestTableProcedure(5, tableName,<a name="line.213"></a>
-<span class="sourceLineNo">214</span>          
TableProcedureInterface.TableOperationType.READ));<a name="line.214"></a>
-<span class="sourceLineNo">215</span><a name="line.215"></a>
-<span class="sourceLineNo">216</span>    // Fetch the 1st item and take the 
write lock<a name="line.216"></a>
-<span class="sourceLineNo">217</span>    Procedure proc = queue.poll();<a 
name="line.217"></a>
-<span class="sourceLineNo">218</span>    assertEquals(1, proc.getProcId());<a 
name="line.218"></a>
-<span class="sourceLineNo">219</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.219"></a>
-<span class="sourceLineNo">220</span><a name="line.220"></a>
-<span class="sourceLineNo">221</span>    // Fetch the 2nd item and verify that 
the lock can't be acquired<a name="line.221"></a>
-<span class="sourceLineNo">222</span>    assertEquals(null, queue.poll(0));<a 
name="line.222"></a>
-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span>    // Release the write lock and acquire 
the read lock<a name="line.224"></a>
-<span class="sourceLineNo">225</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.225"></a>
-<span class="sourceLineNo">226</span><a name="line.226"></a>
-<span class="sourceLineNo">227</span>    // Fetch the 2nd item and take the 
read lock<a name="line.227"></a>
-<span class="sourceLineNo">228</span>    Procedure rdProc = queue.poll();<a 
name="line.228"></a>
-<span class="sourceLineNo">229</span>    assertEquals(2, 
rdProc.getProcId());<a name="line.229"></a>
-<span class="sourceLineNo">230</span>    assertEquals(false, 
queue.waitTableSharedLock(rdProc, tableName));<a name="line.230"></a>
-<span class="sourceLineNo">231</span><a name="line.231"></a>
-<span class="sourceLineNo">232</span>    // Fetch the 3rd item and verify that 
the lock can't be acquired<a name="line.232"></a>
-<span class="sourceLineNo">233</span>    assertEquals(null, queue.poll(0));<a 
name="line.233"></a>
-<span class="sourceLineNo">234</span><a name="line.234"></a>
-<span class="sourceLineNo">235</span>    // release the rdlock of item 2 and 
take the wrlock for the 3d item<a name="line.235"></a>
-<span class="sourceLineNo">236</span>    queue.wakeTableSharedLock(rdProc, 
tableName);<a name="line.236"></a>
-<span class="sourceLineNo">237</span><a name="line.237"></a>
-<span class="sourceLineNo">238</span>    // Fetch the 3rd item and take the 
write lock<a name="line.238"></a>
-<span class="sourceLineNo">239</span>    Procedure wrProc = queue.poll();<a 
name="line.239"></a>
-<span class="sourceLineNo">240</span>    assertEquals(false, 
queue.waitTableExclusiveLock(wrProc, tableName));<a name="line.240"></a>
+<span class="sourceLineNo">213</span>    queue.addBack(new 
TestTableProcedure(3, tableName,<a name="line.213"></a>
+<span class="sourceLineNo">214</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.214"></a>
+<span class="sourceLineNo">215</span>    queue.addBack(new 
TestTableProcedure(4, tableName,<a name="line.215"></a>
+<span class="sourceLineNo">216</span>          
TableProcedureInterface.TableOperationType.READ));<a name="line.216"></a>
+<span class="sourceLineNo">217</span>    queue.addBack(new 
TestTableProcedure(5, tableName,<a name="line.217"></a>
+<span class="sourceLineNo">218</span>          
TableProcedureInterface.TableOperationType.READ));<a name="line.218"></a>
+<span class="sourceLineNo">219</span><a name="line.219"></a>
+<span class="sourceLineNo">220</span>    // Fetch the 1st item and take the 
write lock<a name="line.220"></a>
+<span class="sourceLineNo">221</span>    Procedure proc = queue.poll();<a 
name="line.221"></a>
+<span class="sourceLineNo">222</span>    assertEquals(1, proc.getProcId());<a 
name="line.222"></a>
+<span class="sourceLineNo">223</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.223"></a>
+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span>    // Fetch the 2nd item and verify that 
the lock can't be acquired<a name="line.225"></a>
+<span class="sourceLineNo">226</span>    assertEquals(null, queue.poll(0));<a 
name="line.226"></a>
+<span class="sourceLineNo">227</span><a name="line.227"></a>
+<span class="sourceLineNo">228</span>    // Release the write lock and acquire 
the read lock<a name="line.228"></a>
+<span class="sourceLineNo">229</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.229"></a>
+<span class="sourceLineNo">230</span><a name="line.230"></a>
+<span class="sourceLineNo">231</span>    // Fetch the 2nd item and take the 
read lock<a name="line.231"></a>
+<span class="sourceLineNo">232</span>    Procedure rdProc = queue.poll();<a 
name="line.232"></a>
+<span class="sourceLineNo">233</span>    assertEquals(2, 
rdProc.getProcId());<a name="line.233"></a>
+<span class="sourceLineNo">234</span>    assertEquals(false, 
queue.waitTableSharedLock(rdProc, tableName));<a name="line.234"></a>
+<span class="sourceLineNo">235</span><a name="line.235"></a>
+<span class="sourceLineNo">236</span>    // Fetch the 3rd item and verify that 
the lock can't be acquired<a name="line.236"></a>
+<span class="sourceLineNo">237</span>    assertEquals(null, queue.poll(0));<a 
name="line.237"></a>
+<span class="sourceLineNo">238</span><a name="line.238"></a>
+<span class="sourceLineNo">239</span>    // release the rdlock of item 2 and 
take the wrlock for the 3d item<a name="line.239"></a>
+<span class="sourceLineNo">240</span>    queue.wakeTableSharedLock(rdProc, 
tableName);<a name="line.240"></a>
 <span class="sourceLineNo">241</span><a name="line.241"></a>
-<span class="sourceLineNo">242</span>    // Fetch 4th item and verify that the 
lock can't be acquired<a name="line.242"></a>
-<span class="sourceLineNo">243</span>    assertEquals(null, queue.poll(0));<a 
name="line.243"></a>
-<span class="sourceLineNo">244</span><a name="line.244"></a>
-<span class="sourceLineNo">245</span>    // Release the write lock and acquire 
the read lock<a name="line.245"></a>
-<span class="sourceLineNo">246</span>    queue.wakeTableExclusiveLock(wrProc, 
tableName);<a name="line.246"></a>
-<span class="sourceLineNo">247</span><a name="line.247"></a>
-<span class="sourceLineNo">248</span>    // Fetch the 4th item and take the 
read lock<a name="line.248"></a>
-<span class="sourceLineNo">249</span>    rdProc = queue.poll();<a 
name="line.249"></a>
-<span class="sourceLineNo">250</span>    assertEquals(4, 
rdProc.getProcId());<a name="line.250"></a>
-<span class="sourceLineNo">251</span>    assertEquals(false, 
queue.waitTableSharedLock(rdProc, tableName));<a name="line.251"></a>
-<span class="sourceLineNo">252</span><a name="line.252"></a>
-<span class="sourceLineNo">253</span>    // Fetch the 4th item and take the 
read lock<a name="line.253"></a>
-<span class="sourceLineNo">254</span>    Procedure rdProc2 = queue.poll();<a 
name="line.254"></a>
-<span class="sourceLineNo">255</span>    assertEquals(5, 
rdProc2.getProcId());<a name="line.255"></a>
-<span class="sourceLineNo">256</span>    assertEquals(false, 
queue.waitTableSharedLock(rdProc2, tableName));<a name="line.256"></a>
-<span class="sourceLineNo">257</span><a name="line.257"></a>
-<span class="sourceLineNo">258</span>    // Release 4th and 5th read-lock<a 
name="line.258"></a>
-<span class="sourceLineNo">259</span>    queue.wakeTableSharedLock(rdProc, 
tableName);<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    queue.wakeTableSharedLock(rdProc2, 
tableName);<a name="line.260"></a>
+<span class="sourceLineNo">242</span>    // Fetch the 3rd item and take the 
write lock<a name="line.242"></a>
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name="line.243"></a>
+<span class="sourceLineNo">244</span>    assertEquals(false, 
queue.waitTableExclusiveLock(wrProc, tableName));<a name="line.244"></a>
+<span class="sourceLineNo">245</span><a name="line.245"></a>
+<span class="sourceLineNo">246</span>    // Fetch 4th item and verify that the 
lock can't be acquired<a name="line.246"></a>
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name="line.247"></a>
+<span class="sourceLineNo">248</span><a name="line.248"></a>
+<span class="sourceLineNo">249</span>    // Release the write lock and acquire 
the read lock<a name="line.249"></a>
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tableName);<a name="line.250"></a>
+<span class="sourceLineNo">251</span><a name="line.251"></a>
+<span class="sourceLineNo">252</span>    // Fetch the 4th item and take the 
read lock<a name="line.252"></a>
+<span class="sourceLineNo">253</span>    rdProc = queue.poll();<a 
name="line.253"></a>
+<span class="sourceLineNo">254</span>    assertEquals(4, 
rdProc.getProcId());<a name="line.254"></a>
+<span class="sourceLineNo">255</span>    assertEquals(false, 
queue.waitTableSharedLock(rdProc, tableName));<a name="line.255"></a>
+<span class="sourceLineNo">256</span><a name="line.256"></a>
+<span class="sourceLineNo">257</span>    // Fetch the 4th item and take the 
read lock<a name="line.257"></a>
+<span class="sourceLineNo">258</span>    Procedure rdProc2 = queue.poll();<a 
name="line.258"></a>
+<span class="sourceLineNo">259</span>    assertEquals(5, 
rdProc2.getProcId());<a name="line.259"></a>
+<span class="sourceLineNo">260</span>    assertEquals(false, 
queue.waitTableSharedLock(rdProc2, tableName));<a name="line.260"></a>
 <span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span>    // remove table queue<a 
name="line.262"></a>
-<span class="sourceLineNo">263</span>    assertEquals(0, queue.size());<a 
name="line.263"></a>
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queue.markTableAsDeleted(tableName, wrProc));<a name="line.264"></a>
-<span class="sourceLineNo">265</span>  }<a name="line.265"></a>
-<span class="sourceLineNo">266</span><a name="line.266"></a>
-<span class="sourceLineNo">267</span>  @Test<a name="line.267"></a>
-<span class="sourceLineNo">268</span>  public void 
testVerifyNamespaceRwLocks() throws Exception {<a name="line.268"></a>
-<span class="sourceLineNo">269</span>    String nsName1 = "ns1";<a 
name="line.269"></a>
-<span class="sourceLineNo">270</span>    String nsName2 = "ns2";<a 
name="line.270"></a>
-<span class="sourceLineNo">271</span>    TableName tableName1 = 
TableName.valueOf(nsName1, name.getMethodName());<a name="line.271"></a>
-<span class="sourceLineNo">272</span>    TableName tableName2 = 
TableName.valueOf(nsName2, name.getMethodName());<a name="line.272"></a>
-<span class="sourceLineNo">273</span>    queue.addBack(new 
TestNamespaceProcedure(1, nsName1,<a name="line.273"></a>
-<span class="sourceLineNo">274</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.274"></a>
-<span class="sourceLineNo">275</span>    queue.addBack(new 
TestTableProcedure(2, tableName1,<a name="line.275"></a>
-<span class="sourceLineNo">276</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.276"></a>
-<span class="sourceLineNo">277</span>    queue.addBack(new 
TestTableProcedure(3, tableName2,<a name="line.277"></a>
+<span class="sourceLineNo">262</span>    // Release 4th and 5th read-lock<a 
name="line.262"></a>
+<span class="sourceLineNo">263</span>    queue.wakeTableSharedLock(rdProc, 
tableName);<a name="line.263"></a>
+<span class="sourceLineNo">264</span>    queue.wakeTableSharedLock(rdProc2, 
tableName);<a name="line.264"></a>
+<span class="sourceLineNo">265</span><a name="line.265"></a>
+<span class="sourceLineNo">266</span>    // remove table queue<a 
name="line.266"></a>
+<span class="sourceLineNo">267</span>    assertEquals(0, queue.size());<a 
name="line.267"></a>
+<span class="sourceLineNo">268</span>    assertTrue("queue should be deleted", 
queue.markTableAsDeleted(tableName, wrProc));<a name="line.268"></a>
+<span class="sourceLineNo">269</span>  }<a name="line.269"></a>
+<span class="sourceLineNo">270</span><a name="line.270"></a>
+<span class="sourceLineNo">271</span>  @Test<a name="line.271"></a>
+<span class="sourceLineNo">272</span>  public void 
testVerifyNamespaceRwLocks() throws Exception {<a name="line.272"></a>
+<span class="sourceLineNo">273</span>    String nsName1 = "ns1";<a 
name="line.273"></a>
+<span class="sourceLineNo">274</span>    String nsName2 = "ns2";<a 
name="line.274"></a>
+<span class="sourceLineNo">275</span>    TableName tableName1 = 
TableName.valueOf(nsName1, name.getMethodName());<a name="line.275"></a>
+<span class="sourceLineNo">276</span>    TableName tableName2 = 
TableName.valueOf(nsName2, name.getMethodName());<a name="line.276"></a>
+<span class="sourceLineNo">277</span>    queue.addBack(new 
TestNamespaceProcedure(1, nsName1,<a name="line.277"></a>
 <span class="sourceLineNo">278</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.278"></a>
-<span class="sourceLineNo">279</span>    queue.addBack(new 
TestNamespaceProcedure(4, nsName2,<a name="line.279"></a>
+<span class="sourceLineNo">279</span>    queue.addBack(new 
TestTableProcedure(2, tableName1,<a name="line.279"></a>
 <span class="sourceLineNo">280</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.280"></a>
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-<span class="sourceLineNo">282</span>    // Fetch the 1st item and take the 
write lock<a name="line.282"></a>
-<span class="sourceLineNo">283</span>    Procedure procNs1 = queue.poll();<a 
name="line.283"></a>
-<span class="sourceLineNo">284</span>    assertEquals(1, 
procNs1.getProcId());<a name="line.284"></a>
-<span class="sourceLineNo">285</span>    
assertFalse(queue.waitNamespaceExclusiveLock(procNs1, nsName1));<a 
name="line.285"></a>
-<span class="sourceLineNo">286</span><a name="line.286"></a>
-<span class="sourceLineNo">287</span>    // namespace table has higher 
priority so we still return procedure for it<a name="line.287"></a>
-<span class="sourceLineNo">288</span>    Procedure procNs2 = queue.poll();<a 
name="line.288"></a>
-<span class="sourceLineNo">289</span>    assertEquals(4, 
procNs2.getProcId());<a name="line.289"></a>
-<span class="sourceLineNo">290</span>    
assertFalse(queue.waitNamespaceExclusiveLock(procNs2, nsName2));<a 
name="line.290"></a>
-<span class="sourceLineNo">291</span>    
queue.wakeNamespaceExclusiveLock(procNs2, nsName2);<a name="line.291"></a>
-<span class="sourceLineNo">292</span><a name="line.292"></a>
-<span class="sourceLineNo">293</span>    // add procNs2 back in the queue<a 
name="line.293"></a>
-<span class="sourceLineNo">294</span>    queue.yield(procNs2);<a 
name="line.294"></a>
-<span class="sourceLineNo">295</span><a name="line.295"></a>
-<span class="sourceLineNo">296</span>    // again<a name="line.296"></a>
-<span class="sourceLineNo">297</span>    procNs2 = queue.poll();<a 
name="line.297"></a>
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procNs2.getProcId());<a name="line.298"></a>
-<span class="sourceLineNo">299</span>    
assertFalse(queue.waitNamespaceExclusiveLock(procNs2, nsName2));<a 
name="line.299"></a>
-<span class="sourceLineNo">300</span><a name="line.300"></a>
-<span class="sourceLineNo">301</span>    // ns1 and ns2 are both locked so we 
get nothing<a name="line.301"></a>
-<span class="sourceLineNo">302</span>    assertNull(queue.poll());<a 
name="line.302"></a>
-<span class="sourceLineNo">303</span><a name="line.303"></a>
-<span class="sourceLineNo">304</span>    // release the ns1 lock<a 
name="line.304"></a>
-<span class="sourceLineNo">305</span>    
queue.wakeNamespaceExclusiveLock(procNs1, nsName1);<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span>    // we are now able to execute table 
of ns1<a name="line.307"></a>
-<span class="sourceLineNo">308</span>    long procId = 
queue.poll().getProcId();<a name="line.308"></a>
-<span class="sourceLineNo">309</span>    assertEquals(2, procId);<a 
name="line.309"></a>
+<span class="sourceLineNo">281</span>    queue.addBack(new 
TestTableProcedure(3, tableName2,<a name="line.281"></a>
+<span class="sourceLineNo">282</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.282"></a>
+<span class="sourceLineNo">283</span>    queue.addBack(new 
TestNamespaceProcedure(4, nsName2,<a name="line.283"></a>
+<span class="sourceLineNo">284</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.284"></a>
+<span class="sourceLineNo">285</span><a name="line.285"></a>
+<span class="sourceLineNo">286</span>    // Fetch the 1st item and take the 
write lock<a name="line.286"></a>
+<span class="sourceLineNo">287</span>    Procedure procNs1 = queue.poll();<a 
name="line.287"></a>
+<span class="sourceLineNo">288</span>    assertEquals(1, 
procNs1.getProcId());<a name="line.288"></a>
+<span class="sourceLineNo">289</span>    
assertFalse(queue.waitNamespaceExclusiveLock(procNs1, nsName1));<a 
name="line.289"></a>
+<span class="sourceLineNo">290</span><a name="line.290"></a>
+<span class="sourceLineNo">291</span>    // namespace table has higher 
priority so we still return procedure for it<a name="line.291"></a>
+<span class="sourceLineNo">292</span>    Procedure procNs2 = queue.poll();<a 
name="line.292"></a>
+<span class="sourceLineNo">293</span>    assertEquals(4, 
procNs2.getProcId());<a name="line.293"></a>
+<span class="sourceLineNo">294</span>    
assertFalse(queue.waitNamespaceExclusiveLock(procNs2, nsName2));<a 
name="line.294"></a>
+<span class="sourceLineNo">295</span>    
queue.wakeNamespaceExclusiveLock(procNs2, nsName2);<a name="line.295"></a>
+<span class="sourceLineNo">296</span><a name="line.296"></a>
+<span class="sourceLineNo">297</span>    // add procNs2 back in the queue<a 
name="line.297"></a>
+<span class="sourceLineNo">298</span>    queue.yield(procNs2);<a 
name="line.298"></a>
+<span class="sourceLineNo">299</span><a name="line.299"></a>
+<span class="sourceLineNo">300</span>    // again<a name="line.300"></a>
+<span class="sourceLineNo">301</span>    procNs2 = queue.poll();<a 
name="line.301"></a>
+<span class="sourceLineNo">302</span>    assertEquals(4, 
procNs2.getProcId());<a name="line.302"></a>
+<span class="sourceLineNo">303</span>    
assertFalse(queue.waitNamespaceExclusiveLock(procNs2, nsName2));<a 
name="line.303"></a>
+<span class="sourceLineNo">304</span><a name="line.304"></a>
+<span class="sourceLineNo">305</span>    // ns1 and ns2 are both locked so we 
get nothing<a name="line.305"></a>
+<span class="sourceLineNo">306</span>    assertNull(queue.poll());<a 
name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span>    // release the ns1 lock<a 
name="line.308"></a>
+<span class="sourceLineNo">309</span>    
queue.wakeNamespaceExclusiveLock(procNs1, nsName1);<a name="line.309"></a>
 <span class="sourceLineNo">310</span><a name="line.310"></a>
-<span class="sourceLineNo">311</span>    // release ns2<a name="line.311"></a>
-<span class="sourceLineNo">312</span>    
queue.wakeNamespaceExclusiveLock(procNs2, nsName2);<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span>    // we are now able to execute table 
of ns2<a name="line.314"></a>
-<span class="sourceLineNo">315</span>    procId = queue.poll().getProcId();<a 
name="line.315"></a>
-<span class="sourceLineNo">316</span>    assertEquals(3, procId);<a 
name="line.316"></a>
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-<span class="sourceLineNo">318</span><a name="line.318"></a>
-<span class="sourceLineNo">319</span>  @Test<a name="line.319"></a>
-<span class="sourceLineNo">320</span>  public void testVerifyNamespaceXLock() 
throws Exception {<a name="line.320"></a>
-<span class="sourceLineNo">321</span>    String nsName = "ns1";<a 
name="line.321"></a>
-<span class="sourceLineNo">322</span>    TableName tableName = 
TableName.valueOf(nsName, name.getMethodName());<a name="line.322"></a>
-<span class="sourceLineNo">323</span>    queue.addBack(new 
TestNamespaceProcedure(1, nsName,<a name="line.323"></a>
-<span class="sourceLineNo">324</span>          
TableProcedureInterface.TableOperationType.CREATE));<a name="line.324"></a>
-<span class="sourceLineNo">325</span>    queue.addBack(new 
TestTableProcedure(2, tableName,<a name="line.325"></a>
-<span class="sourceLineNo">326</span>          
TableProcedureInterface.TableOperationType.READ));<a name="line.326"></a>
-<span class="sourceLineNo">327</span><a name="line.327"></a>
-<span class="sourceLineNo">328</span>    // Fetch the ns item and take the 
xlock<a name="line.328"></a>
-<span class="sourceLineNo">329</span>    Procedure proc = queue.poll();<a 
name="line.329"></a>
-<span class="sourceLineNo">330</span>    assertEquals(1, proc.getProcId());<a 
name="line.330"></a>
-<span class="sourceLineNo">331</span>    assertEquals(false, 
queue.waitNamespaceExclusiveLock(proc, nsName));<a name="line.331"></a>
-<span class="sourceLineNo">332</span><a name="line.332"></a>
-<span class="sourceLineNo">333</span>    // the table operation can't be 
executed because the ns is locked<a name="line.333"></a>
-<span class="sourceLineNo">334</span>    assertEquals(null, queue.poll(0));<a 
name="line.334"></a>
-<span class="sourceLineNo">335</span><a name="line.335"></a>
-<span class="sourceLineNo">336</span>    // release the ns lock<a 
name="line.336"></a>
-<span class="sourceLineNo">337</span>    
queue.wakeNamespaceExclusiveLock(proc, nsName);<a name="line.337"></a>
-<span class="sourceLineNo">338</span><a name="line.338"></a>
-<span class="sourceLineNo">339</span>    proc = queue.poll();<a 
name="line.339"></a>
-<span class="sourceLineNo">340</span>    assertEquals(2, proc.getProcId());<a 
name="line.340"></a>
-<span class="sourceLineNo">341</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.341"></a>
-<span class="sourceLineNo">342</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.342"></a>
-<span class="sourceLineNo">343</span>  }<a name="line.343"></a>
-<span class="sourceLineNo">344</span><a name="line.344"></a>
-<span class="sourceLineNo">345</span>  @Test<a name="line.345"></a>
-<span class="sourceLineNo">346</span>  public void 
testXLockWaitingForExecutingSharedLockToRelease() {<a name="line.346"></a>
-<span class="sourceLineNo">347</span>    final TableName tableName = 
TableName.valueOf(name.getMethodName());<a name="line.347"></a>
-<span class="sourceLineNo">348</span>    final HRegionInfo regionA = new 
HRegionInfo(tableName, Bytes.toBytes("a"), Bytes.toBytes("b"));<a 
name="line.348"></a>
-<span class="sourceLineNo">349</span><a name="line.349"></a>
-<span class="sourceLineNo">350</span>    queue.addBack(new 
TestRegionProcedure(1, tableName,<a name="line.350"></a>
-<span class="sourceLineNo">351</span>        
TableProcedureInterface.TableOperationType.REGION_ASSIGN, regionA));<a 
name="line.351"></a>
-<span class="sourceLineNo">352</span>    queue.addBack(new 
TestTableProcedure(2, tableName,<a name="line.352"></a>
-<span class="sourceLineNo">353</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.353"></a>
-<span class="sourceLineNo">354</span>    queue.addBack(new 
TestRegionProcedure(3, tableName,<a name="line.354"></a>
-<span class="sourceLineNo">355</span>        
TableProcedureInterface.TableOperationType.REGION_UNASSIGN, regionA));<a 
name="line.355"></a>
-<span class="sourceLineNo">356</span><a name="line.356"></a>
-<span class="sourceLineNo">357</span>    // Fetch the 1st item and take the 
shared lock<a name="line.357"></a>
-<span class="sourceLineNo">358</span>    Procedure proc = queue.poll();<a 
name="line.358"></a>
-<span class="sourceLineNo">359</span>    assertEquals(1, proc.getProcId());<a 
name="line.359"></a>
-<span class="sourceLineNo">360</span>    assertEquals(false, 
queue.waitRegion(proc, regionA));<a name="line.360"></a>
-<span class="sourceLineNo">361</span><a name="line.361"></a>
-<span class="sourceLineNo">362</span>    // the xlock operation in the queue 
can't be executed<a name="line.362"></a>
-<span class="sourceLineNo">363</span>    assertEquals(null, queue.poll(0));<a 
name="line.363"></a>
-<span class="sourceLineNo">364</span><a name="line.364"></a>
-<span class="sourceLineNo">365</span>    // release the shared lock<a 
name="line.365"></a>
-<span class="sourceLineNo">366</span>    queue.wakeRegion(proc, regionA);<a 
name="line.366"></a>
-<span class="sourceLineNo">367</span><a name="line.367"></a>
-<span class="sourceLineNo">368</span>    // Fetch the 2nd item and take the 
xlock<a name="line.368"></a>
-<span class="sourceLineNo">369</span>    proc = queue.poll();<a 
name="line.369"></a>
-<span class="sourceLineNo">370</span>    assertEquals(2, proc.getProcId());<a 
name="line.370"></a>
-<span class="sourceLineNo">371</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.371"></a>
-<span class="sourceLineNo">372</span><a name="line.372"></a>
-<span class="sourceLineNo">373</span>    // everything is locked by the table 
operation<a name="line.373"></a>
-<span class="sourceLineNo">374</span>    assertEquals(null, queue.poll(0));<a 
name="line.374"></a>
-<span class="sourceLineNo">375</span><a name="line.375"></a>
-<span class="sourceLineNo">376</span>    // release the table xlock<a 
name="line.376"></a>
-<span class="sourceLineNo">377</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.377"></a>
-<span class="sourceLineNo">378</span><a name="line.378"></a>
-<span class="sourceLineNo">379</span>    // grab the last item in the queue<a 
name="line.379"></a>
-<span class="sourceLineNo">380</span>    proc = queue.poll();<a 
name="line.380"></a>
-<span class="sourceLineNo">381</span>    assertEquals(3, proc.getProcId());<a 
name="line.381"></a>
+<span class="sourceLineNo">311</span>    // we are now able to execute table 
of ns1<a name="line.311"></a>
+<span class="sourceLineNo">312</span>    long procId = 
queue.poll().getProcId();<a name="line.312"></a>
+<span class="sourceLineNo">313</span>    assertEquals(2, procId);<a 
name="line.313"></a>
+<span class="sourceLineNo">314</span><a name="line.314"></a>
+<span class="sourceLineNo">315</span>    // release ns2<a name="line.315"></a>
+<span class="sourceLineNo">316</span>    
queue.wakeNamespaceExclusiveLock(procNs2, nsName2);<a name="line.316"></a>
+<span class="sourceLineNo">317</span><a name="line.317"></a>
+<span class="sourceLineNo">318</span>    // we are now able to execute table 
of ns2<a name="line.318"></a>
+<span class="sourceLineNo">319</span>    procId = queue.poll().getProcId();<a 
name="line.319"></a>
+<span class="sourceLineNo">320</span>    assertEquals(3, procId);<a 
name="line.320"></a>
+<span class="sourceLineNo">321</span>  }<a name="line.321"></a>
+<span class="sourceLineNo">322</span><a name="line.322"></a>
+<span class="sourceLineNo">323</span>  @Test<a name="line.323"></a>
+<span class="sourceLineNo">324</span>  public void testVerifyNamespaceXLock() 
throws Exception {<a name="line.324"></a>
+<span class="sourceLineNo">325</span>    String nsName = "ns1";<a 
name="line.325"></a>
+<span class="sourceLineNo">326</span>    TableName tableName = 
TableName.valueOf(nsName, name.getMethodName());<a name="line.326"></a>
+<span class="sourceLineNo">327</span>    queue.addBack(new 
TestNamespaceProcedure(1, nsName,<a name="line.327"></a>
+<span class="sourceLineNo">328</span>          
TableProcedureInterface.TableOperationType.CREATE));<a name="line.328"></a>
+<span class="sourceLineNo">329</span>    queue.addBack(new 
TestTableProcedure(2, tableName,<a name="line.329"></a>
+<span class="sourceLineNo">330</span>          
TableProcedureInterface.TableOperationType.READ));<a name="line.330"></a>
+<span class="sourceLineNo">331</span><a name="line.331"></a>
+<span class="sourceLineNo">332</span>    // Fetch the ns item and take the 
xlock<a name="line.332"></a>
+<span class="sourceLineNo">333</span>    Procedure proc = queue.poll();<a 
name="line.333"></a>
+<span class="sourceLineNo">334</span>    assertEquals(1, proc.getProcId());<a 
name="line.334"></a>
+<span class="sourceLineNo">335</span>    assertEquals(false, 
queue.waitNamespaceExclusiveLock(proc, nsName));<a name="line.335"></a>
+<span class="sourceLineNo">336</span><a name="line.336"></a>
+<span class="sourceLineNo">337</span>    // the table operation can't be 
executed because the ns is locked<a name="line.337"></a>
+<span class="sourceLineNo">338</span>    assertEquals(null, queue.poll(0));<a 
name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span>    // release the ns lock<a 
name="line.340"></a>
+<span class="sourceLineNo">341</span>    
queue.wakeNamespaceExclusiveLock(proc, nsName);<a name="line.341"></a>
+<span class="sourceLineNo">342</span><a name="line.342"></a>
+<span class="sourceLineNo">343</span>    proc = queue.poll();<a 
name="line.343"></a>
+<span class="sourceLineNo">344</span>    assertEquals(2, proc.getProcId());<a 
name="line.344"></a>
+<span class="sourceLineNo">345</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.345"></a>
+<span class="sourceLineNo">346</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.346"></a>
+<span class="sourceLineNo">347</span>  }<a name="line.347"></a>
+<span class="sourceLineNo">348</span><a name="line.348"></a>
+<span class="sourceLineNo">349</span>  @Test<a name="line.349"></a>
+<span class="sourceLineNo">350</span>  public void 
testXLockWaitingForExecutingSharedLockToRelease() {<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    final TableName tableName = 
TableName.valueOf(name.getMethodName());<a name="line.351"></a>
+<span class="sourceLineNo">352</span>    final HRegionInfo regionA = new 
HRegionInfo(tableName, Bytes.toBytes("a"), Bytes.toBytes("b"));<a 
name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span>    queue.addBack(new 
TestRegionProcedure(1, tableName,<a name="line.354"></a>
+<span class="sourceLineNo">355</span>        
TableProcedureInterface.TableOperationType.REGION_ASSIGN, regionA));<a 
name="line.355"></a>
+<span class="sourceLineNo">356</span>    queue.addBack(new 
TestTableProcedure(2, tableName,<a name="line.356"></a>
+<span class="sourceLineNo">357</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.357"></a>
+<span class="sourceLineNo">358</span>    queue.addBack(new 
TestRegionProcedure(3, tableName,<a name="line.358"></a>
+<span class="sourceLineNo">359</span>        
TableProcedureInterface.TableOperationType.REGION_UNASSIGN, regionA));<a 
name="line.359"></a>
+<span class="sourceLineNo">360</span><a name="line.360"></a>
+<span class="sourceLineNo">361</span>    // Fetch the 1st item and take the 
shared lock<a name="line.361"></a>
+<span class="sourceLineNo">362</span>    Procedure proc = queue.poll();<a 
name="line.362"></a>
+<span class="sourceLineNo">363</span>    assertEquals(1, proc.getProcId());<a 
name="line.363"></a>
+<span class="sourceLineNo">364</span>    assertEquals(false, 
queue.waitRegion(proc, regionA));<a name="line.364"></a>
+<span class="sourceLineNo">365</span><a name="line.365"></a>
+<span class="sourceLineNo">366</span>    // the xlock operation in the queue 
can't be executed<a name="line.366"></a>
+<span class="sourceLineNo">367</span>    assertEquals(null, queue.poll(0));<a 
name="line.367"></a>
+<span class="sourceLineNo">368</span><a name="line.368"></a>
+<span class="sourceLineNo">369</span>    // release the shared lock<a 
name="line.369"></a>
+<span class="sourceLineNo">370</span>    queue.wakeRegion(proc, regionA);<a 
name="line.370"></a>
+<span class="sourceLineNo">371</span><a name="line.371"></a>
+<span class="sourceLineNo">372</span>    // Fetch the 2nd item and take the 
xlock<a name="line.372"></a>
+<span class="sourceLineNo">373</span>    proc = queue.poll();<a 
name="line.373"></a>
+<span class="sourceLineNo">374</span>    assertEquals(2, proc.getProcId());<a 
name="line.374"></a>
+<span class="sourceLineNo">375</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.375"></a>
+<span class="sourceLineNo">376</span><a name="line.376"></a>
+<span class="sourceLineNo">377</span>    // everything is locked by the table 
operation<a name="line.377"></a>
+<span class="sourceLineNo">378</span>    assertEquals(null, queue.poll(0));<a 
name="line.378"></a>
+<span class="sourceLineNo">379</span><a name="line.379"></a>
+<span class="sourceLineNo">380</span>    // release the table xlock<a 
name="line.380"></a>
+<span class="sourceLineNo">381</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.381"></a>
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-<span class="sourceLineNo">383</span>    // lock and unlock the region<a 
name="line.383"></a>
-<span class="sourceLineNo">384</span>    assertEquals(false, 
queue.waitRegion(proc, regionA));<a name="line.384"></a>
-<span class="sourceLineNo">385</span>    assertEquals(null, queue.poll(0));<a 
name="line.385"></a>
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name="line.386"></a>
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throws Exception {<a name="line.390"></a>
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TableName.valueOf(name.getMethodName());<a name="line.391"></a>
-<span class="sourceLineNo">392</span>    final HRegionInfo regionA = new 
HRegionInfo(tableName, Bytes.toBytes("a"), Bytes.toBytes("b"));<a 
name="line.392"></a>
-<span class="sourceLineNo">393</span>    final HRegionInfo regionB = new 
HRegionInfo(tableName, Bytes.toBytes("b"), Bytes.toBytes("c"));<a 
name="line.393"></a>
-<span class="sourceLineNo">394</span>    final HRegionInfo regionC = new 
HRegionInfo(tableName, Bytes.toBytes("c"), Bytes.toBytes("d"));<a 
name="line.394"></a>
-<span class="sourceLineNo">395</span><a name="line.395"></a>
-<span class="sourceLineNo">396</span>    queue.addBack(new 
TestTableProcedure(1, tableName,<a name="line.396"></a>
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TableProcedureInterface.TableOperationType.EDIT));<a name="line.397"></a>
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TestRegionProcedure(2, tableName,<a name="line.398"></a>
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TableProcedureInterface.TableOperationType.REGION_MERGE, regionA, regionB));<a 
name="line.399"></a>
-<span class="sourceLineNo">400</span>    queue.addBack(new 
TestRegionProcedure(3, tableName,<a name="line.400"></a>
-<span class="sourceLineNo">401</span>        
TableProcedureInterface.TableOperationType.REGION_SPLIT, regionA));<a 
name="line.401"></a>
-<span class="sourceLineNo">402</span>    queue.addBack(new 
TestRegionProcedure(4, tableName,<a name="line.402"></a>
-<span class="sourceLineNo">403</span>        
TableProcedureInterface.TableOperationType.REGION_SPLIT, regionB));<a 
name="line.403"></a>
-<span class="sourceLineNo">404</span>    queue.addBack(new 
TestRegionProcedure(5, tableName,<a name="line.404"></a>
-<span class="sourceLineNo">405</span>        
TableProcedureInterface.TableOperationType.REGION_UNASSIGN, regionC));<a 
name="line.405"></a>
-<span class="sourceLineNo">406</span><a name="line.406"></a>
-<span class="sourceLineNo">407</span>    // Fetch the 1st item and take the 
write lock<a name="line.407"></a>
-<span class="sourceLineNo">408</span>    Procedure proc = queue.poll();<a 
name="line.408"></a>
-<span class="sourceLineNo">409</span>    assertEquals(1, proc.getProcId());<a 
name="line.409"></a>
-<span class="sourceLineNo">410</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.410"></a>
-<span class="sourceLineNo">411</span><a name="line.411"></a>
-<span class="sourceLineNo">412</span>    // everything is locked by the table 
operation<a name="line.412"></a>
-<span class="sourceLineNo">413</span>    assertEquals(null, queue.poll(0));<a 
name="line.413"></a>
-<span class="sourceLineNo">414</span><a name="line.414"></a>
-<span class="sourceLineNo">415</span>    // release the table lock<a 
name="line.415"></a>
-<span class="sourceLineNo">416</span>    queue.wakeTableExclusiveLock(proc, 
tableName);<a name="line.416"></a>
-<span class="sourceLineNo">417</span><a name="line.417"></a>
-<span class="sourceLineNo">418</span>    // Fetch the 2nd item and the the 
lock on regionA and regionB<a name="line.418"></a>
-<span class="sourceLineNo">419</span>    Procedure mergeProc = queue.poll();<a 
name="line.419"></a>
-<span class="sourceLineNo">420</span>    assertEquals(2, 
mergeProc.getProcId());<a name="line.420"></a>
-<span class="sourceLineNo">421</span>    assertEquals(false, 
queue.waitRegions(mergeProc, tableName, regionA, regionB));<a 
name="line.421"></a>
-<span class="sourceLineNo">422</span><a name="line.422"></a>
-<span class="sourceLineNo">423</span>    // Fetch the 3rd item and the try to 
lock region A which will fail<a name="line.423"></a>
-<span class="sourceLineNo">424</span>    // because already locked. this 
procedure will go in waiting.<a name="line.424"></a>
-<span class="sourceLineNo">425</span>    // (this stuff will be explicit until 
we get rid of the zk-lock)<a name="line.425"></a>
-<span class="sourceLineNo">426</span>    Procedure procA = queue.poll();<a 
name="line.426"></a>
-<span class="sourceLineNo">427</span>    assertEquals(3, procA.getProcId());<a 
name="line.427"></a>
-<span class="sourceLineNo">428</span>    assertEquals(true, 
queue.waitRegions(procA, tableName, regionA));<a name="line.428"></a>
-<span class="sourceLineNo">429</span><a name="line.429"></a>
-<span class="sourceLineNo">430</span>    // Fetch the 4th item, same story as 
the 3rd<a name="line.430"></a>
-<span class="sourceLineNo">431</span>    Procedure procB = queue.poll();<a 
name="line.431"></a>
-<span class="sourceLineNo">432</span>    assertEquals(4, procB.getProcId());<a 
name="line.432"></a>
-<span class="sourceLineNo">433</span>    assertEquals(true, 
queue.waitRegions(procB, tableName, regionB));<a name="line.433"></a>
-<span class="sourceLineNo">434</span><a name="line.434"></a>
-<span class="sourceLineNo">435</span>    // Fetch the 5th item, since it is a 
non-locked region we are able to execute it<a name="line.435"></a>
-<span class="sourceLineNo">436</span>    Procedure procC = queue.poll();<a 
name="line.436"></a>
-<span class="sourceLineNo">437</span>    assertEquals(5, procC.getProcId());<a 
name="line.437"></a>
-<span class="sourceLineNo">438</span>    assertEquals(false, 
queue.waitRegions(procC, tableName, regionC));<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
-<span class="sourceLineNo">440</span>    // 3rd and 4th are in the region 
suspended queue<a name="line.440"></a>
-<span class="sourceLineNo">441</span>    assertEquals(null, queue.poll(0));<a 
name="line.441"></a>
-<span class="sourceLineNo">442</span><a name="line.442"></a>
-<span class="sourceLineNo">443</span>    // Release region A-B from merge 
operation (procId=2)<a name="line.443"></a>
-<span class="sourceLineNo">444</span>    queue.wakeRegions(mergeProc, 
tableName, regionA, regionB);<a name="line.444"></a>
-<span class="sourceLineNo">445</span><a name="line.445"></a>
-<span class="sourceLineNo">446</span>    // Fetch the 3rd item, now the lock 
on the region is available<a name="line.446"></a>
-<span class="sourceLineNo">447</span>    procA = queue.poll();<a 
name="line.447"></a>
-<span class="sourceLineNo">448</span>    assertEquals(3, procA.getProcId());<a 
name="line.448"></a>
-<span class="sourceLineNo">449</span>    assertEquals(false, 
queue.waitRegions(procA, tableName, regionA));<a name="line.449"></a>
-<span class="sourceLineNo">450</span><a name="line.450"></a>
-<span class="sourceLineNo">451</span>    // Fetch the 4th item, now the lock 
on the region is available<a name="line.451"></a>
-<span class="sourceLineNo">452</span>    procB = queue.poll();<a 
name="line.452"></a>
-<span class="sourceLineNo">453</span>    assertEquals(4, procB.getProcId());<a 
name="line.453"></a>
-<span class="sourceLineNo">454</span>    assertEquals(false, 
queue.waitRegions(procB, tableName, regionB));<a name="line.454"></a>
-<span class="sourceLineNo">455</span><a name="line.455"></a>
-<span class="sourceLineNo">456</span>    // release the locks on the regions<a 
name="line.456"></a>
-<span class="sourceLineNo">457</span>    queue.wakeRegions(procA, tableName, 
regionA);<a name="line.457"></a>
-<span class="sourceLineNo">458</span>    queue.wakeRegions(procB, tableName, 
regionB);<a name="line.458"></a>
-<span class="sourceLineNo">459</span>    queue.wakeRegions(procC, tableName, 
regionC);<a name="line.459"></a>
-<span class="sourceLineNo">460</span>  }<a name="line.460"></a>
-<span class="sourceLineNo">461</span><a name="line.461"></a>
-<span class="sourceLineNo">462</span>  @Test<a name="line.462"></a>
-<span class="sourceLineNo">463</span>  public void 
testVerifySubProcRegionLocks() throws Exception {<a name="line.463"></a>
-<span class="sourceLineNo">464</span>    final TableName tableName = 
TableName.valueOf(name.getMethodName());<a name="line.464"></a>
-<span class="sourceLineNo">465</span>    final HRegionInfo regionA = new 
HRegionInfo(tableName, Bytes.toBytes("a"), Bytes.toBytes("b"));<a 
name="line.465"></a>
-<span class="sourceLineNo">466</span>    final HRegionInfo regionB = new 
HRegionInfo(tableName, Bytes.toBytes("b"), Bytes.toBytes("c"));<a 
name="line.466"></a>
-<span class="sourceLineNo">467</span>    final HRegionInfo regionC = new 
HRegionInfo(tableName, Bytes.toBytes("c"), Bytes.toBytes("d"));<a 
name="line.467"></a>
-<span class="sourceLineNo">468</span><a name="line.468"></a>
-<span class="sourceLineNo">469</span>    queue.addBack(new 
TestTableProcedure(1, tableName,<a name="line.469"></a>
-<span class="sourceLineNo">470</span>        
TableProcedureInterface.TableOperationType.ENABLE));<a name="line.470"></a>
-<span class="sourceLineNo">471</span><a name="line.471"></a>
-<span class="sourceLineNo">472</span>    // Fetch the 1st item from the queue, 
"the root procedure" and take the table lock<a name="line.472"></a>
-<span class="sourceLineNo">473</span>    Procedure rootProc = queue.poll();<a 
name="line.473"></a>
-<span class="sourceLineNo">474</span>    assertEquals(1, 
rootProc.getProcId());<a name="line.474"></a>
-<span class="sourceLineNo">475</span>    assertEquals(false, 
queue.waitTableExclusiveLock(rootProc, tableName));<a name="line.475"></a>
-<span class="sourceLineNo">476</span>    assertEquals(null, queue.poll(0));<a 
name="line.476"></a>
-<span class="sourceLineNo">477</span><a name="line.477"></a>
-<span class="sourceLineNo">478</span>    // Execute the 1st step of the 
root-proc.<a name="line.478"></a>
-<span class="sourceLineNo">479</span>    // we should get 3 sub-proc back, one 
for each region.<a name="line.479"></a>
-<span class="sourceLineNo">480</span>    // (this step is done by the 
executor/rootProc, we are simulating it)<a name="line.480"></a>
-<span class="sourceLineNo">481</span>    Procedure[] subProcs = new 
Procedure[] {<a name="line.481"></a>
-<span class="sourceLineNo">482</span>      new TestRegionProcedure(1, 2, 
tableName,<a name="line.482"></a>
-<span class="sourceLineNo">483</span>        
TableProcedureInterface.TableOperationType.REGION_EDIT, regionA),<a 
name="line.483"></a>
-<span class="sourceLineNo">484</span>      new TestRegionProcedure(1, 3, 
tableName,<a name="line.484"></a>
-<span class="sourceLineNo">485</span>        
TableProcedureInterface.TableOperationType.REGION_EDIT, regionB),<a 
name="line.485"></a>
-<span class="sourceLineNo">486</span>      new TestRegionProcedure(1, 4, 
tableName,<a name="line.486"></a>
-<span class="sourceLineNo">487</span>        
TableProcedureInterface.TableOperationType.REGION_EDIT, regionC),<a 
name="line.487"></a>
-<span class="sourceLineNo">488</span>    };<a name="line.488"></a>
-<span class="sourceLineNo">489</span><a name="line.489"></a>
-<span class="sourceLineNo">490</span>    // at this point the rootProc is 
going in a waiting state<a name="line.490"></a>
-<span class="sourceLineNo">491</span>    // and the sub-procedures will be 
added in the queue.<a name="line.491"></a>
-<span class="sourceLineNo">492</span>    // (this step is done by the 
executor, we are simulating it)<a name="line.492"></a>
-<span class="sourceLineNo">493</span>    for (int i = subProcs.length - 1; i 
&gt;= 0; --i) {<a name="line.493"></a>
-<span class="sourceLineNo">494</span>      queue.addFront(subProcs[i]);<a 
name="line.494"></a>
-<span class="sourceLineNo">495</span>    }<a name="line.495"></a>
-<span class="sourceLineNo">496</span>    assertEquals(subProcs.length, 
queue.size());<a name="line.496"></a>
-<span class="sourceLineNo">497</span><a name="line.497"></a>
-<span class="sourceLineNo">498</span>    // we should be able to fetch and 
execute all the sub-procs,<a name="line.498"></a>
-<span class="sourceLineNo">499</span>    // since they are operating on 
different regions<a name="line.499"></a>
-<span class="sourceLineNo">500</span>    for (int i = 0; i &lt; 
subProcs.length; ++i) {<a name="line.500"></a>
-<span class="sourceLineNo">501</span>      TestRegionProcedure regionProc = 
(TestRegionProcedure)queue.poll(0);<a name="line.501"></a>
-<span class="sourceLineNo">502</span>      
assertEquals(subProcs[i].getProcId(), regionProc.getProcId());<a 
name="line.502"></a>
-<span class="sourceLineNo">503</span>      assertEquals(false, 
queue.waitRegions(regionProc, tableName, regionProc.getRegionInfo()));<a 
name="line.503"></a>
-<span class="sourceLineNo">504</span>    }<a name="line.504"></a>
-<span class="sourceLineNo">505</span><a name="line.505"></a>
-<span class="sourceLineNo">506</span>    // nothing else in the queue<a 
name="line.506"></a>
-<span class="sourceLineNo">507</span>    assertEquals(null, queue.poll(0));<a 
name="line.507"></a>
-<span class="sourceLineNo">508</span><a name="line.508"></a>
-<span class="sourceLineNo">509</span>    // release all the region locks<a 
name="line.509"></a>
-<span class="sourceLineNo">510</span>    for (int i = 0; i &lt; 
subProcs.length; ++i) {<a name="line.510"></a>
-<span class="sourceLineNo">511</span>      TestRegionProcedure regionProc = 
(TestRegionProcedure)subProcs[i];<a name="line.511"></a>
-<span class="sourceLineNo">512</span>      queue.wakeRegions(regionProc, 
tableName, regionProc.getRegionInfo());<a name="line.512"></a>
-<span class="sourceLineNo">513</span>    }<a name="line.513"></a>
-<span class="sourceLineNo">514</span><a name="line.514"></a>
-<span class="sourceLineNo">515</span>    // nothing else in the queue<a 
name="line.515"></a>
-<span class="sourceLineNo">516</span>    assertEquals(null, queue.poll(0));<a 
name="line.516"></a>
-<span class="sourceLineNo">517</span><a name="line.517"></a>
-<span class="sourceLineNo">518</span>    // release the table lock (for the 
root procedure)<a name="line.518"></a>
-<span class="sourceLineNo">519</span>    
queue.wakeTableExclusiveLock(rootProc, tableName);<a name="line.519"></a>
-<span class="sourceLineNo">520</span>  }<a name="line.520"></a>
+<span class="sourceLineNo">383</span>    // grab the last item in the queue<a 
name="line.383"></a>
+<span class="sourceLineNo">384</span>    proc = queue.poll();<a 
name="line.384"></a>
+<span class="sourceLineNo">385</span>    assertEquals(3, proc.getProcId());<a 
name="line.385"></a>
+<span class="sourceLineNo">386</span><a name="line.386"></a>
+<span class="sourceLineNo">387</span>    // lock and unlock the region<a 
name="line.387"></a>
+<span class="sourceLineNo">388</span>    assertEquals(false, 
queue.waitRegion(proc, regionA));<a name="line.388"></a>
+<span class="sourceLineNo">389</span>    assertEquals(null, queue.poll(0));<a 
name="line.389"></a>
+<span class="sourceLineNo">390</span>    queue.wakeRegion(proc, regionA);<a 
name="line.390"></a>
+<span class="sourceLineNo">391</span>  }<a name="line.391"></a>
+<span class="sourceLineNo">392</span><a name="line.392"></a>
+<span class="sourceLineNo">393</span>  @Test<a name="line.393"></a>
+<span class="sourceLineNo">394</span>  public void testVerifyRegionLocks() 
throws Exception {<a name="line.394"></a>
+<span class="sourceLineNo">395</span>    final TableName tableName = 
TableName.valueOf(name.getMethodName());<a name="line.395"></a>
+<span class="sourceLineNo">396</span>    final HRegionInfo regionA = new 
HRegionInfo(tableName, Bytes.toBytes("a"), Bytes.toBytes("b"));<a 
name="line.396"></a>
+<span class="sourceLineNo">397</span>    final HRegionInfo regionB = new 
HRegionInfo(tableName, Bytes.toBytes("b"), Bytes.toBytes("c"));<a 
name="line.397"></a>
+<span class="sourceLineNo">398</span>    final HRegionInfo regionC = new 
HRegionInfo(tableName, Bytes.toBytes("c"), Bytes.toBytes("d"));<a 
name="line.398"></a>
+<span class="sourceLineNo">399</span><a name="line.399"></a>
+<span class="sourceLineNo">400</span>    queue.addBack(new 
TestTableProcedure(1, tableName,<a name="line.400"></a>
+<span class="sourceLineNo">401</span>          
TableProcedureInterface.TableOperationType.EDIT));<a name="line.401"></a>
+<span class="sourceLineNo">402</span>    queue.addBack(new 
TestRegionProcedure(2, tableName,<a name="line.402"></a>
+<span class="sourceLineNo">403</span>        
TableProcedureInterface.TableOperationType.REGION_MERGE, regionA, regionB));<a 
name="line.403"></a>
+<span class="sourceLineNo">404</span>    queue.addBack(new 
TestRegionProcedure(3, tableName,<a name="line.404"></a>
+<span class="sourceLineNo">405</span>        
TableProcedureInterface.TableOperationType.REGION_SPLIT, regionA));<a 
name="line.405"></a>
+<span class="sourceLineNo">406</span>    queue.addBack(new 
TestRegionProcedure(4, tableName,<a name="line.406"></a>
+<span class="sourceLineNo">407</span>        
TableProcedureInterface.TableOperationType.REGION_SPLIT, regionB));<a 
name="line.407"></a>
+<span class="sourceLineNo">408</span>    queue.addBack(new 
TestRegionProcedure(5, tableName,<a name="line.408"></a>
+<span class="sourceLineNo">409</span>        
TableProcedureInterface.TableOperationType.REGION_UNASSIGN, regionC));<a 
name="line.409"></a>
+<span class="sourceLineNo">410</span><a name="line.410"></a>
+<span class="sourceLineNo">411</span>    // Fetch the 1st item and take the 
write lock<a name="line.411"></a>
+<span class="sourceLineNo">412</span>    Procedure proc = queue.poll();<a 
name="line.412"></a>
+<span class="sourceLineNo">413</span>    assertEquals(1, proc.getProcId());<a 
name="line.413"></a>
+<span class="sourceLineNo">414</span>    assertEquals(false, 
queue.waitTableExclusiveLock(proc, tableName));<a name="line.414"></a>
+<span class="sourceLineNo">415</span><a name="line.415"></a>
+<span class="sourceLineNo">416</span>    // everything is locked by the table 
operation<a name="line.416"></a>
+<span class="sourceLineN

<TRUNCATED>

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