http://git-wip-us.apache.org/repos/asf/hbase-site/blob/620f3ad1/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
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diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
index 2a2807b..47314f5 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
@@ -29,308 +29,361 @@
<span class="sourceLineNo">021</span>import
com.google.common.collect.ImmutableSet;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import
com.google.common.collect.Iterables;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import com.google.common.collect.Lists;<a
name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.commons.logging.Log;<a
name="line.24"></a>
-<span class="sourceLineNo">025</span>import
org.apache.commons.logging.LogFactory;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import
org.apache.hadoop.conf.Configuration;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.fs.FileStatus;<a
name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.fs.FileSystem;<a
name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.fs.Path;<a
name="line.29"></a>
-<span class="sourceLineNo">030</span>import
org.apache.hadoop.hbase.ScheduledChore;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import
org.apache.hadoop.hbase.Stoppable;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import
org.apache.hadoop.hbase.util.FSUtils;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import
org.apache.hadoop.ipc.RemoteException;<a name="line.33"></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.util.ArrayList;<a
name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.Collections;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.Comparator;<a
name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.HashMap;<a
name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.LinkedList;<a
name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.List;<a
name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.Map;<a
name="line.32"></a>
+<span class="sourceLineNo">033</span>import
java.util.concurrent.atomic.AtomicBoolean;<a name="line.33"></a>
<span class="sourceLineNo">034</span><a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.io.IOException;<a
name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.LinkedList;<a
name="line.36"></a>
-<span class="sourceLineNo">037</span>import java.util.List;<a
name="line.37"></a>
-<span class="sourceLineNo">038</span>import java.util.Map;<a
name="line.38"></a>
-<span class="sourceLineNo">039</span>import
java.util.concurrent.atomic.AtomicBoolean;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * Abstract Cleaner that uses a chain of
delegates to clean a directory of files<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * @param <T> Cleaner delegate
class that is dynamically loaded from configuration<a name="line.43"></a>
-<span class="sourceLineNo">044</span> */<a name="line.44"></a>
-<span class="sourceLineNo">045</span>public abstract class CleanerChore<T
extends FileCleanerDelegate> extends ScheduledChore {<a name="line.45"></a>
-<span class="sourceLineNo">046</span><a name="line.46"></a>
-<span class="sourceLineNo">047</span> private static final Log LOG =
LogFactory.getLog(CleanerChore.class.getName());<a name="line.47"></a>
-<span class="sourceLineNo">048</span><a name="line.48"></a>
-<span class="sourceLineNo">049</span> protected final FileSystem fs;<a
name="line.49"></a>
-<span class="sourceLineNo">050</span> private final Path oldFileDir;<a
name="line.50"></a>
-<span class="sourceLineNo">051</span> private final Configuration conf;<a
name="line.51"></a>
-<span class="sourceLineNo">052</span> protected List<T>
cleanersChain;<a name="line.52"></a>
-<span class="sourceLineNo">053</span> protected Map<String, Object>
params;<a name="line.53"></a>
-<span class="sourceLineNo">054</span> private AtomicBoolean enabled = new
AtomicBoolean(true);<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span> public CleanerChore(String name, final
int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.56"></a>
-<span class="sourceLineNo">057</span> FileSystem fs, Path
oldFileDir, String confKey) {<a name="line.57"></a>
-<span class="sourceLineNo">058</span> this(name, sleepPeriod, s, conf, fs,
oldFileDir, confKey, null);<a name="line.58"></a>
-<span class="sourceLineNo">059</span> }<a name="line.59"></a>
+<span class="sourceLineNo">035</span>import org.apache.commons.logging.Log;<a
name="line.35"></a>
+<span class="sourceLineNo">036</span>import
org.apache.commons.logging.LogFactory;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import
org.apache.hadoop.conf.Configuration;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.fs.FileStatus;<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.fs.FileSystem;<a
name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.fs.Path;<a
name="line.40"></a>
+<span class="sourceLineNo">041</span>import
org.apache.hadoop.hbase.ScheduledChore;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import
org.apache.hadoop.hbase.Stoppable;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import
org.apache.hadoop.hbase.util.FSUtils;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import
org.apache.hadoop.ipc.RemoteException;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * Abstract Cleaner that uses a chain of
delegates to clean a directory of files<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * @param <T> Cleaner delegate
class that is dynamically loaded from configuration<a name="line.48"></a>
+<span class="sourceLineNo">049</span> */<a name="line.49"></a>
+<span class="sourceLineNo">050</span>public abstract class CleanerChore<T
extends FileCleanerDelegate> extends ScheduledChore {<a name="line.50"></a>
+<span class="sourceLineNo">051</span><a name="line.51"></a>
+<span class="sourceLineNo">052</span> private static final Log LOG =
LogFactory.getLog(CleanerChore.class.getName());<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span> protected final FileSystem fs;<a
name="line.54"></a>
+<span class="sourceLineNo">055</span> private final Path oldFileDir;<a
name="line.55"></a>
+<span class="sourceLineNo">056</span> private final Configuration conf;<a
name="line.56"></a>
+<span class="sourceLineNo">057</span> protected List<T>
cleanersChain;<a name="line.57"></a>
+<span class="sourceLineNo">058</span> protected Map<String, Object>
params;<a name="line.58"></a>
+<span class="sourceLineNo">059</span> private AtomicBoolean enabled = new
AtomicBoolean(true);<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span> /**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * @param name name of the chore being
run<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * @param sleepPeriod the period of
time to sleep between each run<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * @param s the stopper<a
name="line.64"></a>
-<span class="sourceLineNo">065</span> * @param conf configuration to use<a
name="line.65"></a>
-<span class="sourceLineNo">066</span> * @param fs handle to the FS<a
name="line.66"></a>
-<span class="sourceLineNo">067</span> * @param oldFileDir the path to the
archived files<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * @param confKey configuration key for
the classes to instantiate<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * @param params members could be used
in cleaner<a name="line.69"></a>
-<span class="sourceLineNo">070</span> */<a name="line.70"></a>
-<span class="sourceLineNo">071</span> public CleanerChore(String name, final
int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.71"></a>
-<span class="sourceLineNo">072</span> FileSystem fs, Path oldFileDir,
String confKey, Map<String, Object> params) {<a name="line.72"></a>
-<span class="sourceLineNo">073</span> super(name, s, sleepPeriod);<a
name="line.73"></a>
-<span class="sourceLineNo">074</span> this.fs = fs;<a name="line.74"></a>
-<span class="sourceLineNo">075</span> this.oldFileDir = oldFileDir;<a
name="line.75"></a>
-<span class="sourceLineNo">076</span> this.conf = conf;<a
name="line.76"></a>
-<span class="sourceLineNo">077</span> this.params = params;<a
name="line.77"></a>
-<span class="sourceLineNo">078</span> initCleanerChain(confKey);<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> /**<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * Validate the file to see if it even
belongs in the directory. If it is valid, then the file<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * will go through the cleaner
delegates, but otherwise the file is just deleted.<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * @param file full {@link Path} of the
file to be checked<a name="line.85"></a>
-<span class="sourceLineNo">086</span> * @return <tt>true</tt> if
the file is valid, <tt>false</tt> otherwise<a name="line.86"></a>
-<span class="sourceLineNo">087</span> */<a name="line.87"></a>
-<span class="sourceLineNo">088</span> protected abstract boolean
validate(Path file);<a name="line.88"></a>
-<span class="sourceLineNo">089</span><a name="line.89"></a>
-<span class="sourceLineNo">090</span> /**<a name="line.90"></a>
-<span class="sourceLineNo">091</span> * Instantiate and initialize all the
file cleaners set in the configuration<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * @param confKey key to get the file
cleaner classes from the configuration<a name="line.92"></a>
-<span class="sourceLineNo">093</span> */<a name="line.93"></a>
-<span class="sourceLineNo">094</span> private void initCleanerChain(String
confKey) {<a name="line.94"></a>
-<span class="sourceLineNo">095</span> this.cleanersChain = new
LinkedList<>();<a name="line.95"></a>
-<span class="sourceLineNo">096</span> String[] logCleaners =
conf.getStrings(confKey);<a name="line.96"></a>
-<span class="sourceLineNo">097</span> if (logCleaners != null) {<a
name="line.97"></a>
-<span class="sourceLineNo">098</span> for (String className :
logCleaners) {<a name="line.98"></a>
-<span class="sourceLineNo">099</span> T logCleaner =
newFileCleaner(className, conf);<a name="line.99"></a>
-<span class="sourceLineNo">100</span> if (logCleaner != null) {<a
name="line.100"></a>
-<span class="sourceLineNo">101</span> LOG.debug("initialize cleaner="
+ className);<a name="line.101"></a>
-<span class="sourceLineNo">102</span>
this.cleanersChain.add(logCleaner);<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span> }<a name="line.104"></a>
-<span class="sourceLineNo">105</span> }<a name="line.105"></a>
-<span class="sourceLineNo">106</span> }<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span> /**<a name="line.108"></a>
-<span class="sourceLineNo">109</span> * A utility method to create new
instances of LogCleanerDelegate based on the class name of the<a
name="line.109"></a>
-<span class="sourceLineNo">110</span> * LogCleanerDelegate.<a
name="line.110"></a>
-<span class="sourceLineNo">111</span> * @param className fully qualified
class name of the LogCleanerDelegate<a name="line.111"></a>
-<span class="sourceLineNo">112</span> * @param conf<a name="line.112"></a>
-<span class="sourceLineNo">113</span> * @return the new instance<a
name="line.113"></a>
-<span class="sourceLineNo">114</span> */<a name="line.114"></a>
-<span class="sourceLineNo">115</span> private T newFileCleaner(String
className, Configuration conf) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> try {<a name="line.116"></a>
-<span class="sourceLineNo">117</span> Class<? extends
FileCleanerDelegate> c = Class.forName(className).asSubclass(<a
name="line.117"></a>
-<span class="sourceLineNo">118</span> FileCleanerDelegate.class);<a
name="line.118"></a>
-<span class="sourceLineNo">119</span> @SuppressWarnings("unchecked")<a
name="line.119"></a>
-<span class="sourceLineNo">120</span> T cleaner = (T) c.newInstance();<a
name="line.120"></a>
-<span class="sourceLineNo">121</span> cleaner.setConf(conf);<a
name="line.121"></a>
-<span class="sourceLineNo">122</span> cleaner.init(this.params);<a
name="line.122"></a>
-<span class="sourceLineNo">123</span> return cleaner;<a
name="line.123"></a>
-<span class="sourceLineNo">124</span> } catch (Exception e) {<a
name="line.124"></a>
-<span class="sourceLineNo">125</span> LOG.warn("Can NOT create
CleanerDelegate: " + className, e);<a name="line.125"></a>
-<span class="sourceLineNo">126</span> // skipping if can't instantiate<a
name="line.126"></a>
-<span class="sourceLineNo">127</span> return null;<a name="line.127"></a>
-<span class="sourceLineNo">128</span> }<a name="line.128"></a>
-<span class="sourceLineNo">129</span> }<a name="line.129"></a>
-<span class="sourceLineNo">130</span><a name="line.130"></a>
-<span class="sourceLineNo">131</span> @Override<a name="line.131"></a>
-<span class="sourceLineNo">132</span> protected void chore() {<a
name="line.132"></a>
-<span class="sourceLineNo">133</span> if (getEnabled()) {<a
name="line.133"></a>
-<span class="sourceLineNo">134</span> runCleaner();<a name="line.134"></a>
-<span class="sourceLineNo">135</span> } else {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> LOG.debug("Cleaner chore disabled!
Not cleaning.");<a name="line.136"></a>
-<span class="sourceLineNo">137</span> }<a name="line.137"></a>
-<span class="sourceLineNo">138</span> }<a name="line.138"></a>
-<span class="sourceLineNo">139</span><a name="line.139"></a>
-<span class="sourceLineNo">140</span> public Boolean runCleaner() {<a
name="line.140"></a>
-<span class="sourceLineNo">141</span> try {<a name="line.141"></a>
-<span class="sourceLineNo">142</span> FileStatus[] files =
FSUtils.listStatus(this.fs, this.oldFileDir);<a name="line.142"></a>
-<span class="sourceLineNo">143</span> checkAndDeleteEntries(files);<a
name="line.143"></a>
-<span class="sourceLineNo">144</span> } catch (IOException e) {<a
name="line.144"></a>
-<span class="sourceLineNo">145</span> e = e instanceof RemoteException
?<a name="line.145"></a>
-<span class="sourceLineNo">146</span>
((RemoteException)e).unwrapRemoteException() : e;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> LOG.warn("Error while cleaning the
logs", e);<a name="line.147"></a>
-<span class="sourceLineNo">148</span> return false;<a name="line.148"></a>
-<span class="sourceLineNo">149</span> }<a name="line.149"></a>
-<span class="sourceLineNo">150</span> return true;<a name="line.150"></a>
-<span class="sourceLineNo">151</span> }<a name="line.151"></a>
-<span class="sourceLineNo">152</span><a name="line.152"></a>
-<span class="sourceLineNo">153</span> /**<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * Loop over the given directory
entries, and check whether they can be deleted.<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * If an entry is itself a directory it
will be recursively checked and deleted itself iff<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * all subentries are deleted (and no
new subentries are added in the mean time)<a name="line.156"></a>
-<span class="sourceLineNo">157</span> *<a name="line.157"></a>
-<span class="sourceLineNo">158</span> * @param entries directory entries to
check<a name="line.158"></a>
-<span class="sourceLineNo">159</span> * @return true if all entries were
successfully deleted<a name="line.159"></a>
-<span class="sourceLineNo">160</span> */<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private boolean
checkAndDeleteEntries(FileStatus[] entries) {<a name="line.161"></a>
-<span class="sourceLineNo">162</span> if (entries == null) {<a
name="line.162"></a>
-<span class="sourceLineNo">163</span> return true;<a name="line.163"></a>
-<span class="sourceLineNo">164</span> }<a name="line.164"></a>
-<span class="sourceLineNo">165</span> boolean allEntriesDeleted = true;<a
name="line.165"></a>
-<span class="sourceLineNo">166</span> List<FileStatus> files =
Lists.newArrayListWithCapacity(entries.length);<a name="line.166"></a>
-<span class="sourceLineNo">167</span> for (FileStatus child : entries) {<a
name="line.167"></a>
-<span class="sourceLineNo">168</span> Path path = child.getPath();<a
name="line.168"></a>
-<span class="sourceLineNo">169</span> if (child.isDirectory()) {<a
name="line.169"></a>
-<span class="sourceLineNo">170</span> // for each subdirectory delete
it and all entries if possible<a name="line.170"></a>
-<span class="sourceLineNo">171</span> if
(!checkAndDeleteDirectory(path)) {<a name="line.171"></a>
-<span class="sourceLineNo">172</span> allEntriesDeleted = false;<a
name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span> } else {<a name="line.174"></a>
-<span class="sourceLineNo">175</span> // collect all files to attempt
to delete in one batch<a name="line.175"></a>
-<span class="sourceLineNo">176</span> files.add(child);<a
name="line.176"></a>
-<span class="sourceLineNo">177</span> }<a name="line.177"></a>
-<span class="sourceLineNo">178</span> }<a name="line.178"></a>
-<span class="sourceLineNo">179</span> if (!checkAndDeleteFiles(files)) {<a
name="line.179"></a>
-<span class="sourceLineNo">180</span> allEntriesDeleted = false;<a
name="line.180"></a>
-<span class="sourceLineNo">181</span> }<a name="line.181"></a>
-<span class="sourceLineNo">182</span> return allEntriesDeleted;<a
name="line.182"></a>
-<span class="sourceLineNo">183</span> }<a name="line.183"></a>
-<span class="sourceLineNo">184</span> <a name="line.184"></a>
-<span class="sourceLineNo">185</span> /**<a name="line.185"></a>
-<span class="sourceLineNo">186</span> * Attempt to delete a directory and
all files under that directory. Each child file is passed<a name="line.186"></a>
-<span class="sourceLineNo">187</span> * through the delegates to see if it
can be deleted. If the directory has no children when the<a name="line.187"></a>
-<span class="sourceLineNo">188</span> * cleaners have finished it is
deleted.<a name="line.188"></a>
-<span class="sourceLineNo">189</span> * <p><a name="line.189"></a>
-<span class="sourceLineNo">190</span> * If new children files are added
between checks of the directory, the directory will <b>not</b><a
name="line.190"></a>
-<span class="sourceLineNo">191</span> * be deleted.<a name="line.191"></a>
-<span class="sourceLineNo">192</span> * @param dir directory to check<a
name="line.192"></a>
-<span class="sourceLineNo">193</span> * @return <tt>true</tt> if
the directory was deleted, <tt>false</tt> otherwise.<a
name="line.193"></a>
-<span class="sourceLineNo">194</span> */<a name="line.194"></a>
-<span class="sourceLineNo">195</span> @VisibleForTesting boolean
checkAndDeleteDirectory(Path dir) {<a name="line.195"></a>
-<span class="sourceLineNo">196</span> if (LOG.isTraceEnabled()) {<a
name="line.196"></a>
-<span class="sourceLineNo">197</span> LOG.trace("Checking directory: " +
dir);<a name="line.197"></a>
-<span class="sourceLineNo">198</span> }<a name="line.198"></a>
-<span class="sourceLineNo">199</span><a name="line.199"></a>
-<span class="sourceLineNo">200</span> try {<a name="line.200"></a>
-<span class="sourceLineNo">201</span> FileStatus[] children =
FSUtils.listStatus(fs, dir);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> boolean allChildrenDeleted =
checkAndDeleteEntries(children);<a name="line.202"></a>
-<span class="sourceLineNo">203</span> <a name="line.203"></a>
-<span class="sourceLineNo">204</span> // if the directory still has
children, we can't delete it, so we are done<a name="line.204"></a>
-<span class="sourceLineNo">205</span> if (!allChildrenDeleted) return
false;<a name="line.205"></a>
-<span class="sourceLineNo">206</span> } catch (IOException e) {<a
name="line.206"></a>
-<span class="sourceLineNo">207</span> e = e instanceof RemoteException
?<a name="line.207"></a>
-<span class="sourceLineNo">208</span>
((RemoteException)e).unwrapRemoteException() : e;<a name="line.208"></a>
-<span class="sourceLineNo">209</span> LOG.warn("Error while listing
directory: " + dir, e);<a name="line.209"></a>
-<span class="sourceLineNo">210</span> // couldn't list directory, so
don't try to delete, and don't return success<a name="line.210"></a>
-<span class="sourceLineNo">211</span> return false;<a name="line.211"></a>
-<span class="sourceLineNo">212</span> }<a name="line.212"></a>
-<span class="sourceLineNo">213</span><a name="line.213"></a>
-<span class="sourceLineNo">214</span> // otherwise, all the children (that
we know about) have been deleted, so we should try to<a name="line.214"></a>
-<span class="sourceLineNo">215</span> // delete this directory. However,
don't do so recursively so we don't delete files that have<a
name="line.215"></a>
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entries, and check whether they can be deleted.<a name="line.199"></a>
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will be recursively checked and deleted itself iff<a name="line.200"></a>
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new subentries are added in the mean time)<a name="line.201"></a>
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Lists.newArrayListWithCapacity(entries.length);<a name="line.211"></a>
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ArrayList<>();<a name="line.212"></a>
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name="line.215"></a>
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to delete in one batch<a name="line.217"></a>
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name="line.218"></a>
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name="line.221"></a>
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name="line.222"></a>
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in directories: " + dirs);<a name="line.223"></a>
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name="line.224"></a>
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name="line.225"></a>
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it and all entries if possible<a name="line.226"></a>
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(!checkAndDeleteDirectory(path)) {<a name="line.227"></a>
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all files under that directory. Each child file is passed<a name="line.239"></a>
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can be deleted. If the directory has no children when the<a name="line.240"></a>
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deleted.<a name="line.241"></a>
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between checks of the directory, the directory will <b>not</b><a
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the directory was deleted, <tt>false</tt> otherwise.<a
name="line.246"></a>
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checkAndDeleteDirectory(Path dir) {<a name="line.248"></a>
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name="line.249"></a>
+<span class="sourceLineNo">250</span> LOG.trace("Checking directory: " +
dir);<a name="line.250"></a>
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FSUtils.listStatus(fs, dir);<a name="line.254"></a>
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checkAndDeleteEntries(children);<a name="line.255"></a>
+<span class="sourceLineNo">256</span> <a name="line.256"></a>
+<span class="sourceLineNo">257</span> // if the directory still has
children, we can't delete it, so we are done<a name="line.257"></a>
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false;<a name="line.258"></a>
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name="line.259"></a>
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?<a name="line.260"></a>
+<span class="sourceLineNo">261</span>
((RemoteException)e).unwrapRemoteException() : e;<a name="line.261"></a>
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directory: " + dir, e);<a name="line.262"></a>
+<span class="sourceLineNo">263</span> // couldn't list directory, so
don't try to delete, and don't return success<a name="line.263"></a>
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we know about) have been deleted, so we should try to<a name="line.267"></a>
+<span class="sourceLineNo">268</span> // delete this directory. However,
don't do so recursively so we don't delete files that have<a
name="line.268"></a>
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checked.<a name="line.269"></a>
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name="line.271"></a>
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name="line.272"></a>
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name="line.273"></a>
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directory: " + dir, e);<a name="line.274"></a>
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so we can't return success.<a name="line.276"></a>
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the cleaners to see if it should be deleted, deleting it if<a
name="line.282"></a>
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valid<a name="line.288"></a>
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name="line.292"></a>
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name="line.293"></a>
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formatted file: " + file.getPath() + " - will delete it.");<a
name="line.295"></a>
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name="line.296"></a>
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deletableValidFiles = validFiles;<a name="line.300"></a>
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name="line.302"></a>
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this.getStopper().isStopped()) {<a name="line.303"></a>
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this.getName() + " is stopped, won't delete any more files in:"<a
name="line.304"></a>
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name="line.305"></a>
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filteredFiles = cleaner.getDeletableFiles(deletableValidFiles);<a
name="line.309"></a>
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name="line.312"></a>
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filteredFileSet = ImmutableSet.copyOf(filteredFiles);<a name="line.313"></a>
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(!filteredFileSet.contains(file)) {<a name="line.315"></a>
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filesToDelete = Iterables.concat(invalidFiles, deletableValidFiles);<a
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files.size();<a name="line.325"></a>
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deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.333"></a>
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name="line.337"></a>
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name="line.343"></a>
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+<span class="sourceLineNo">345</span> LOG.warn("Attempted to delete:"
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+<span class="sourceLineNo">346</span> + ", but couldn't. Run
cleaner chain and attempt to delete on next pass.");<a name="line.346"></a>
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((RemoteException)e).unwrapRemoteException() : e;<a name="line.350"></a>
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+<span class="sourceLineNo">363</span> LOG.warn("Stopping", t);<a
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this.enabled.getAndSet(enabled);<a name="line.372"></a>
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+<span class="sourceLineNo">377</span> }<a name="line.377"></a>
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