http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aecb1286/devapidocs/src-html/org/apache/hadoop/hbase/AsyncMetaTableAccessor.MetaTableRawScanResultConsumer.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/AsyncMetaTableAccessor.MetaTableRawScanResultConsumer.html b/devapidocs/src-html/org/apache/hadoop/hbase/AsyncMetaTableAccessor.MetaTableRawScanResultConsumer.html index baee8c1..a0256ee 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/AsyncMetaTableAccessor.MetaTableRawScanResultConsumer.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/AsyncMetaTableAccessor.MetaTableRawScanResultConsumer.html @@ -30,551 +30,607 @@ <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> <span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> <span class="sourceLineNo">024</span>import java.util.Arrays;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.util.NavigableMap;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import java.util.Optional;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import java.util.SortedMap;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.concurrent.CompletableFuture;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import java.util.regex.Matcher;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import java.util.regex.Pattern;<a name="line.32"></a> -<span class="sourceLineNo">033</span><a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.commons.logging.Log;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.commons.logging.LogFactory;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.MetaTableAccessor.CollectingVisitor;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.MetaTableAccessor.QueryType;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.MetaTableAccessor.Visitor;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Get;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.RawAsyncTable;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.RawScanResultConsumer;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Result;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.51"></a> -<span class="sourceLineNo">052</span><a name="line.52"></a> -<span class="sourceLineNo">053</span>/**<a name="line.53"></a> -<span class="sourceLineNo">054</span> * The asynchronous meta table accessor. Used to read/write region and assignment information store<a name="line.54"></a> -<span class="sourceLineNo">055</span> * in <code>hbase:meta</code>.<a name="line.55"></a> -<span class="sourceLineNo">056</span> */<a name="line.56"></a> -<span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a> -<span class="sourceLineNo">058</span>public class AsyncMetaTableAccessor {<a name="line.58"></a> -<span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span> private static final Log LOG = LogFactory.getLog(AsyncMetaTableAccessor.class);<a name="line.60"></a> -<span class="sourceLineNo">061</span><a name="line.61"></a> -<span class="sourceLineNo">062</span><a name="line.62"></a> -<span class="sourceLineNo">063</span> /** The delimiter for meta columns for replicaIds &gt; 0 */<a name="line.63"></a> -<span class="sourceLineNo">064</span> private static final char META_REPLICA_ID_DELIMITER = '_';<a name="line.64"></a> +<span class="sourceLineNo">025</span>import java.util.Collections;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import java.util.Map;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import java.util.NavigableMap;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import java.util.Optional;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import java.util.SortedMap;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import java.util.concurrent.CompletableFuture;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import java.util.regex.Matcher;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import java.util.regex.Pattern;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import java.util.stream.Collectors;<a name="line.34"></a> +<span class="sourceLineNo">035</span><a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.commons.logging.Log;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.commons.logging.LogFactory;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.MetaTableAccessor.CollectingVisitor;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.MetaTableAccessor.QueryType;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.MetaTableAccessor.Visitor;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Get;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.RawAsyncTable;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.RawScanResultConsumer;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.Result;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.Scan.ReadType;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span>/**<a name="line.57"></a> +<span class="sourceLineNo">058</span> * The asynchronous meta table accessor. Used to read/write region and assignment information store<a name="line.58"></a> +<span class="sourceLineNo">059</span> * in <code>hbase:meta</code>.<a name="line.59"></a> +<span class="sourceLineNo">060</span> */<a name="line.60"></a> +<span class="sourceLineNo">061</span>@InterfaceAudience.Private<a name="line.61"></a> +<span class="sourceLineNo">062</span>public class AsyncMetaTableAccessor {<a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> private static final Log LOG = LogFactory.getLog(AsyncMetaTableAccessor.class);<a name="line.64"></a> <span class="sourceLineNo">065</span><a name="line.65"></a> -<span class="sourceLineNo">066</span> /** A regex for parsing server columns from meta. See above javadoc for meta layout */<a name="line.66"></a> -<span class="sourceLineNo">067</span> private static final Pattern SERVER_COLUMN_PATTERN = Pattern<a name="line.67"></a> -<span class="sourceLineNo">068</span> .compile("^server(_[0-9a-fA-F]{4})?$");<a name="line.68"></a> +<span class="sourceLineNo">066</span><a name="line.66"></a> +<span class="sourceLineNo">067</span> /** The delimiter for meta columns for replicaIds &gt; 0 */<a name="line.67"></a> +<span class="sourceLineNo">068</span> private static final char META_REPLICA_ID_DELIMITER = '_';<a name="line.68"></a> <span class="sourceLineNo">069</span><a name="line.69"></a> -<span class="sourceLineNo">070</span> public static CompletableFuture<Boolean> tableExists(RawAsyncTable metaTable, TableName tableName) {<a name="line.70"></a> -<span class="sourceLineNo">071</span> if (tableName.equals(META_TABLE_NAME)) {<a name="line.71"></a> -<span class="sourceLineNo">072</span> return CompletableFuture.completedFuture(true);<a name="line.72"></a> -<span class="sourceLineNo">073</span> }<a name="line.73"></a> -<span class="sourceLineNo">074</span> return getTableState(metaTable, tableName).thenApply(Optional::isPresent);<a name="line.74"></a> -<span class="sourceLineNo">075</span> }<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span> public static CompletableFuture<Optional<TableState>> getTableState(RawAsyncTable metaTable,<a name="line.77"></a> -<span class="sourceLineNo">078</span> TableName tableName) {<a name="line.78"></a> -<span class="sourceLineNo">079</span> CompletableFuture<Optional<TableState>> future = new CompletableFuture<>();<a name="line.79"></a> -<span class="sourceLineNo">080</span> Get get = new Get(tableName.getName()).addColumn(getTableFamily(), getStateColumn());<a name="line.80"></a> -<span class="sourceLineNo">081</span> long time = EnvironmentEdgeManager.currentTime();<a name="line.81"></a> -<span class="sourceLineNo">082</span> try {<a name="line.82"></a> -<span class="sourceLineNo">083</span> get.setTimeRange(0, time);<a name="line.83"></a> -<span class="sourceLineNo">084</span> metaTable.get(get).whenComplete((result, error) -> {<a name="line.84"></a> -<span class="sourceLineNo">085</span> if (error != null) {<a name="line.85"></a> -<span class="sourceLineNo">086</span> future.completeExceptionally(error);<a name="line.86"></a> -<span class="sourceLineNo">087</span> return;<a name="line.87"></a> -<span class="sourceLineNo">088</span> }<a name="line.88"></a> -<span class="sourceLineNo">089</span> try {<a name="line.89"></a> -<span class="sourceLineNo">090</span> future.complete(getTableState(result));<a name="line.90"></a> -<span class="sourceLineNo">091</span> } catch (IOException e) {<a name="line.91"></a> -<span class="sourceLineNo">092</span> future.completeExceptionally(e);<a name="line.92"></a> -<span class="sourceLineNo">093</span> }<a name="line.93"></a> -<span class="sourceLineNo">094</span> });<a name="line.94"></a> -<span class="sourceLineNo">095</span> } catch (IOException ioe) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> future.completeExceptionally(ioe);<a name="line.96"></a> -<span class="sourceLineNo">097</span> }<a name="line.97"></a> -<span class="sourceLineNo">098</span> return future;<a name="line.98"></a> -<span class="sourceLineNo">099</span> }<a name="line.99"></a> -<span class="sourceLineNo">100</span><a name="line.100"></a> -<span class="sourceLineNo">101</span> public static CompletableFuture<Pair<HRegionInfo, ServerName>> getRegion(RawAsyncTable metaTable,<a name="line.101"></a> -<span class="sourceLineNo">102</span> byte[] regionName) {<a name="line.102"></a> -<span class="sourceLineNo">103</span> CompletableFuture<Pair<HRegionInfo, ServerName>> future = new CompletableFuture<>();<a name="line.103"></a> -<span class="sourceLineNo">104</span> byte[] row = regionName;<a name="line.104"></a> -<span class="sourceLineNo">105</span> HRegionInfo parsedInfo = null;<a name="line.105"></a> -<span class="sourceLineNo">106</span> try {<a name="line.106"></a> -<span class="sourceLineNo">107</span> parsedInfo = MetaTableAccessor.parseRegionInfoFromRegionName(regionName);<a name="line.107"></a> -<span class="sourceLineNo">108</span> row = MetaTableAccessor.getMetaKeyForRegion(parsedInfo);<a name="line.108"></a> -<span class="sourceLineNo">109</span> } catch (Exception parseEx) {<a name="line.109"></a> -<span class="sourceLineNo">110</span> // Ignore if regionName is a encoded region name.<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> final HRegionInfo finalHRI = parsedInfo;<a name="line.113"></a> -<span class="sourceLineNo">114</span> metaTable.get(new Get(row).addFamily(HConstants.CATALOG_FAMILY)).whenComplete((r, err) -> {<a name="line.114"></a> -<span class="sourceLineNo">115</span> if (err != null) {<a name="line.115"></a> -<span class="sourceLineNo">116</span> future.completeExceptionally(err);<a name="line.116"></a> -<span class="sourceLineNo">117</span> return;<a name="line.117"></a> -<span class="sourceLineNo">118</span> }<a name="line.118"></a> -<span class="sourceLineNo">119</span> RegionLocations locations = MetaTableAccessor.getRegionLocations(r);<a name="line.119"></a> -<span class="sourceLineNo">120</span> HRegionLocation hrl = locations == null ? null<a name="line.120"></a> -<span class="sourceLineNo">121</span> : locations.getRegionLocation(finalHRI == null ? 0 : finalHRI.getReplicaId());<a name="line.121"></a> -<span class="sourceLineNo">122</span> if (hrl == null) {<a name="line.122"></a> -<span class="sourceLineNo">123</span> future.complete(null);<a name="line.123"></a> -<span class="sourceLineNo">124</span> } else {<a name="line.124"></a> -<span class="sourceLineNo">125</span> future.complete(new Pair<>(hrl.getRegionInfo(), hrl.getServerName()));<a name="line.125"></a> -<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> return future;<a name="line.129"></a> -<span class="sourceLineNo">130</span> }<a name="line.130"></a> -<span class="sourceLineNo">131</span><a name="line.131"></a> -<span class="sourceLineNo">132</span> private static Optional<TableState> getTableState(Result r) throws IOException {<a name="line.132"></a> -<span class="sourceLineNo">133</span> Cell cell = r.getColumnLatestCell(getTableFamily(), getStateColumn());<a name="line.133"></a> -<span class="sourceLineNo">134</span> if (cell == null) return Optional.empty();<a name="line.134"></a> -<span class="sourceLineNo">135</span> try {<a name="line.135"></a> -<span class="sourceLineNo">136</span> return Optional.of(TableState.parseFrom(<a name="line.136"></a> -<span class="sourceLineNo">137</span> TableName.valueOf(r.getRow()),<a name="line.137"></a> -<span class="sourceLineNo">138</span> Arrays.copyOfRange(cell.getValueArray(), cell.getValueOffset(), cell.getValueOffset()<a name="line.138"></a> -<span class="sourceLineNo">139</span> + cell.getValueLength())));<a name="line.139"></a> -<span class="sourceLineNo">140</span> } catch (DeserializationException e) {<a name="line.140"></a> -<span class="sourceLineNo">141</span> throw new IOException("Failed to parse table state from result: " + r, e);<a name="line.141"></a> -<span class="sourceLineNo">142</span> }<a name="line.142"></a> -<span class="sourceLineNo">143</span> }<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> /**<a name="line.145"></a> -<span class="sourceLineNo">146</span> * Used to get table regions' info and server.<a name="line.146"></a> -<span class="sourceLineNo">147</span> * @param metaTable<a name="line.147"></a> -<span class="sourceLineNo">148</span> * @param tableName table we're looking for, can be null for getting all regions<a name="line.148"></a> -<span class="sourceLineNo">149</span> * @return the list of regioninfos and server. The return value will be wrapped by a<a name="line.149"></a> -<span class="sourceLineNo">150</span> * {@link CompletableFuture}.<a name="line.150"></a> -<span class="sourceLineNo">151</span> */<a name="line.151"></a> -<span class="sourceLineNo">152</span> public static CompletableFuture<List<Pair<HRegionInfo, ServerName>>> getTableRegionsAndLocations(<a name="line.152"></a> -<span class="sourceLineNo">153</span> RawAsyncTable metaTable, final Optional<TableName> tableName) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> return getTableRegionsAndLocations(metaTable, tableName, true);<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> /**<a name="line.157"></a> -<span class="sourceLineNo">158</span> * Used to get table regions' info and server.<a name="line.158"></a> -<span class="sourceLineNo">159</span> * @param metaTable<a name="line.159"></a> -<span class="sourceLineNo">160</span> * @param tableName table we're looking for, can be null for getting all regions<a name="line.160"></a> -<span class="sourceLineNo">161</span> * @param excludeOfflinedSplitParents don't return split parents<a name="line.161"></a> -<span class="sourceLineNo">162</span> * @return the list of regioninfos and server. The return value will be wrapped by a<a name="line.162"></a> -<span class="sourceLineNo">163</span> * {@link CompletableFuture}.<a name="line.163"></a> -<span class="sourceLineNo">164</span> */<a name="line.164"></a> -<span class="sourceLineNo">165</span> public static CompletableFuture<List<Pair<HRegionInfo, ServerName>>> getTableRegionsAndLocations(<a name="line.165"></a> -<span class="sourceLineNo">166</span> RawAsyncTable metaTable, final Optional<TableName> tableName,<a name="line.166"></a> -<span class="sourceLineNo">167</span> final boolean excludeOfflinedSplitParents) {<a name="line.167"></a> -<span class="sourceLineNo">168</span> CompletableFuture<List<Pair<HRegionInfo, ServerName>>> future = new CompletableFuture<>();<a name="line.168"></a> -<span class="sourceLineNo">169</span> if (tableName.filter((t) -> t.equals(TableName.META_TABLE_NAME)).isPresent()) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> future.completeExceptionally(new IOException(<a name="line.170"></a> -<span class="sourceLineNo">171</span> "This method can't be used to locate meta regions;" + " use MetaTableLocator instead"));<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">070</span> /** A regex for parsing server columns from meta. See above javadoc for meta layout */<a name="line.70"></a> +<span class="sourceLineNo">071</span> private static final Pattern SERVER_COLUMN_PATTERN = Pattern<a name="line.71"></a> +<span class="sourceLineNo">072</span> .compile("^server(_[0-9a-fA-F]{4})?$");<a name="line.72"></a> +<span class="sourceLineNo">073</span><a name="line.73"></a> +<span class="sourceLineNo">074</span> public static CompletableFuture<Boolean> tableExists(RawAsyncTable metaTable, TableName tableName) {<a name="line.74"></a> +<span class="sourceLineNo">075</span> if (tableName.equals(META_TABLE_NAME)) {<a name="line.75"></a> +<span class="sourceLineNo">076</span> return CompletableFuture.completedFuture(true);<a name="line.76"></a> +<span class="sourceLineNo">077</span> }<a name="line.77"></a> +<span class="sourceLineNo">078</span> return getTableState(metaTable, tableName).thenApply(Optional::isPresent);<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> public static CompletableFuture<Optional<TableState>> getTableState(RawAsyncTable metaTable,<a name="line.81"></a> +<span class="sourceLineNo">082</span> TableName tableName) {<a name="line.82"></a> +<span class="sourceLineNo">083</span> CompletableFuture<Optional<TableState>> future = new CompletableFuture<>();<a name="line.83"></a> +<span class="sourceLineNo">084</span> Get get = new Get(tableName.getName()).addColumn(getTableFamily(), getStateColumn());<a name="line.84"></a> +<span class="sourceLineNo">085</span> long time = EnvironmentEdgeManager.currentTime();<a name="line.85"></a> +<span class="sourceLineNo">086</span> try {<a name="line.86"></a> +<span class="sourceLineNo">087</span> get.setTimeRange(0, time);<a name="line.87"></a> +<span class="sourceLineNo">088</span> metaTable.get(get).whenComplete((result, error) -> {<a name="line.88"></a> +<span class="sourceLineNo">089</span> if (error != null) {<a name="line.89"></a> +<span class="sourceLineNo">090</span> future.completeExceptionally(error);<a name="line.90"></a> +<span class="sourceLineNo">091</span> return;<a name="line.91"></a> +<span class="sourceLineNo">092</span> }<a name="line.92"></a> +<span class="sourceLineNo">093</span> try {<a name="line.93"></a> +<span class="sourceLineNo">094</span> future.complete(getTableState(result));<a name="line.94"></a> +<span class="sourceLineNo">095</span> } catch (IOException e) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> future.completeExceptionally(e);<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> } catch (IOException ioe) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> future.completeExceptionally(ioe);<a name="line.100"></a> +<span class="sourceLineNo">101</span> }<a name="line.101"></a> 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Integer.MAX_VALUE;<a name="line.239"></a> -<span class="sourceLineNo">240</span> Scan scan = getMetaScan(metaTable, rowUpperLimit);<a name="line.240"></a> -<span class="sourceLineNo">241</span> for (byte[] family : type.getFamilies()) {<a name="line.241"></a> -<span class="sourceLineNo">242</span> scan.addFamily(family);<a name="line.242"></a> -<span class="sourceLineNo">243</span> }<a name="line.243"></a> -<span class="sourceLineNo">244</span> startRow.ifPresent(scan::withStartRow);<a name="line.244"></a> -<span class="sourceLineNo">245</span> stopRow.ifPresent(scan::withStopRow);<a name="line.245"></a> +<span class="sourceLineNo">174</span> private static Optional<TableState> getTableState(Result r) throws IOException {<a name="line.174"></a> +<span class="sourceLineNo">175</span> Cell cell = r.getColumnLatestCell(getTableFamily(), getStateColumn());<a name="line.175"></a> +<span class="sourceLineNo">176</span> if (cell == null) return Optional.empty();<a name="line.176"></a> +<span 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class="sourceLineNo">188</span> * Used to get all region locations for the specific table.<a name="line.188"></a> +<span class="sourceLineNo">189</span> * @param metaTable<a name="line.189"></a> +<span class="sourceLineNo">190</span> * @param tableName table we're looking for, can be null for getting all regions<a name="line.190"></a> +<span class="sourceLineNo">191</span> * @return the list of region locations. 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name="line.226"></a> +<span class="sourceLineNo">227</span> "This method can't be used to locate meta regions;" + " use MetaTableLocator instead"));<a name="line.227"></a> +<span class="sourceLineNo">228</span> }<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> // Make a version of CollectingVisitor that collects HRegionInfo and ServerAddress<a name="line.230"></a> +<span class="sourceLineNo">231</span> CollectingVisitor<Pair<HRegionInfo, ServerName>> visitor = new CollectingVisitor<Pair<HRegionInfo, ServerName>>() {<a name="line.231"></a> +<span class="sourceLineNo">232</span> private Optional<RegionLocations> current = null;<a name="line.232"></a> +<span class="sourceLineNo">233</span><a name="line.233"></a> +<span class="sourceLineNo">234</span> @Override<a name="line.234"></a> +<span class="sourceLineNo">235</span> public boolean visit(Result r) throws IOException {<a name="line.235"></a> +<span class="sourceLineNo">236</span> current = getRegionLocations(r);<a name="line.236"></a> +<span class="sourceLineNo">237</span> if (!current.isPresent() || current.get().getRegionLocation().getRegionInfo() == null) {<a name="line.237"></a> +<span class="sourceLineNo">238</span> LOG.warn("No serialized HRegionInfo in " + r);<a name="line.238"></a> +<span class="sourceLineNo">239</span> return true;<a name="line.239"></a> +<span class="sourceLineNo">240</span> }<a name="line.240"></a> +<span class="sourceLineNo">241</span> HRegionInfo hri = current.get().getRegionLocation().getRegionInfo();<a name="line.241"></a> +<span class="sourceLineNo">242</span> if (excludeOfflinedSplitParents && hri.isSplitParent()) return true;<a name="line.242"></a> +<span class="sourceLineNo">243</span> // Else call super and add this Result to the collection.<a name="line.243"></a> +<span class="sourceLineNo">244</span> return super.visit(r);<a name="line.244"></a> +<span class="sourceLineNo">245</span> }<a name="line.245"></a> <span class="sourceLineNo">246</span><a name="line.246"></a> -<span class="sourceLineNo">247</span> if (LOG.isTraceEnabled()) {<a name="line.247"></a> -<span class="sourceLineNo">248</span> LOG.trace("Scanning META" + " starting at row=" + Bytes.toStringBinary(scan.getStartRow())<a name="line.248"></a> -<span class="sourceLineNo">249</span> + " stopping at row=" + Bytes.toStringBinary(scan.getStopRow()) + " for max="<a name="line.249"></a> -<span class="sourceLineNo">250</span> + rowUpperLimit + " with caching=" + scan.getCaching());<a name="line.250"></a> -<span class="sourceLineNo">251</span> }<a name="line.251"></a> -<span class="sourceLineNo">252</span><a name="line.252"></a> -<span class="sourceLineNo">253</span> CompletableFuture<Void> future = new CompletableFuture<Void>();<a name="line.253"></a> -<span class="sourceLineNo">254</span> metaTable.scan(scan, new MetaTableRawScanResultConsumer(rowUpperLimit, visitor, future));<a name="line.254"></a> -<span 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class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span> MetaTableRawScanResultConsumer(int rowUpperLimit, Visitor visitor, CompletableFuture<Void> future) {<a name="line.268"></a> -<span class="sourceLineNo">269</span> this.rowUpperLimit = rowUpperLimit;<a name="line.269"></a> -<span class="sourceLineNo">270</span> this.visitor = visitor;<a name="line.270"></a> -<span class="sourceLineNo">271</span> this.future = future;<a name="line.271"></a> -<span class="sourceLineNo">272</span> this.currentRowCount = 0;<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span><a name="line.274"></a> -<span class="sourceLineNo">275</span> @Override<a name="line.275"></a> -<span class="sourceLineNo">276</span> public void onError(Throwable error) {<a name="line.276"></a> -<span class="sourceLineNo">277</span> future.completeExceptionally(error);<a name="line.277"></a> -<span 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class="sourceLineNo">289</span> for (Result result : results) {<a name="line.289"></a> -<span class="sourceLineNo">290</span> try {<a name="line.290"></a> -<span class="sourceLineNo">291</span> if (!visitor.visit(result)) {<a name="line.291"></a> -<span class="sourceLineNo">292</span> controller.terminate();<a name="line.292"></a> -<span class="sourceLineNo">293</span> }<a name="line.293"></a> -<span class="sourceLineNo">294</span> } catch (IOException e) {<a name="line.294"></a> -<span class="sourceLineNo">295</span> future.completeExceptionally(e);<a name="line.295"></a> -<span class="sourceLineNo">296</span> controller.terminate();<a name="line.296"></a> -<span class="sourceLineNo">297</span> }<a name="line.297"></a> -<span class="sourceLineNo">298</span> if (++currentRowCount >= rowUpperLimit) {<a name="line.298"></a> -<span class="sourceLineNo">299</span> controller.terminate();<a name="line.299"></a> -<span class="sourceLineNo">300</span> }<a name="line.300"></a> -<span class="sourceLineNo">301</span> }<a name="line.301"></a> -<span class="sourceLineNo">302</span> }<a name="line.302"></a> -<span class="sourceLineNo">303</span> }<a name="line.303"></a> -<span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> private static Scan getMetaScan(RawAsyncTable metaTable, int rowUpperLimit) {<a name="line.305"></a> -<span class="sourceLineNo">306</span> Scan scan = new Scan();<a name="line.306"></a> -<span class="sourceLineNo">307</span> int scannerCaching = metaTable.getConfiguration().getInt(HConstants.HBASE_META_SCANNER_CACHING,<a name="line.307"></a> -<span class="sourceLineNo">308</span> HConstants.DEFAULT_HBASE_META_SCANNER_CACHING);<a name="line.308"></a> -<span class="sourceLineNo">309</span> if (metaTable.getConfiguration().getBoolean(HConstants.USE_META_REPLICAS,<a name="line.309"></a> -<span class="sourceLineNo">310</span> HConstants.DEFAULT_USE_META_REPLICAS)) {<a name="line.310"></a> -<span class="sourceLineNo">311</span> scan.setConsistency(Consistency.TIMELINE);<a name="line.311"></a> -<span class="sourceLineNo">312</span> }<a name="line.312"></a> -<span class="sourceLineNo">313</span> if (rowUpperLimit <= scannerCaching) {<a name="line.313"></a> -<span class="sourceLineNo">314</span> scan.setLimit(rowUpperLimit);<a name="line.314"></a> -<span class="sourceLineNo">315</span> }<a name="line.315"></a> -<span class="sourceLineNo">316</span> int rows = Math.min(rowUpperLimit, scannerCaching);<a name="line.316"></a> -<span class="sourceLineNo">317</span> scan.setCaching(rows);<a name="line.317"></a> -<span class="sourceLineNo">318</span> return scan;<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span><a name="line.320"></a> -<span class="sourceLineNo">321</span> /**<a name="line.321"></a> -<span class="sourceLineNo">322</span> * Returns an HRegionLocationList extracted from the result.<a 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class="sourceLineNo">249</span> if (!current.isPresent()) {<a name="line.249"></a> +<span class="sourceLineNo">250</span> return;<a name="line.250"></a> +<span class="sourceLineNo">251</span> }<a name="line.251"></a> +<span class="sourceLineNo">252</span> for (HRegionLocation loc : current.get().getRegionLocations()) {<a name="line.252"></a> +<span class="sourceLineNo">253</span> if (loc != null) {<a name="line.253"></a> +<span class="sourceLineNo">254</span> this.results.add(new Pair<HRegionInfo, ServerName>(loc.getRegionInfo(), loc<a name="line.254"></a> +<span class="sourceLineNo">255</span> .getServerName()));<a name="line.255"></a> +<span class="sourceLineNo">256</span> }<a name="line.256"></a> +<span class="sourceLineNo">257</span> }<a name="line.257"></a> +<span class="sourceLineNo">258</span> }<a name="line.258"></a> +<span class="sourceLineNo">259</span> };<a name="line.259"></a> +<span class="sourceLineNo">260</span><a name="line.260"></a> +<span class="sourceLineNo">261</span> scanMeta(metaTable, tableName, QueryType.REGION, visitor).whenComplete((v, error) -> {<a name="line.261"></a> +<span class="sourceLineNo">262</span> if (error != null) {<a name="line.262"></a> +<span class="sourceLineNo">263</span> future.completeExceptionally(error);<a name="line.263"></a> +<span class="sourceLineNo">264</span> return;<a name="line.264"></a> +<span class="sourceLineNo">265</span> }<a name="line.265"></a> +<span class="sourceLineNo">266</span> future.complete(visitor.getResults());<a name="line.266"></a> +<span class="sourceLineNo">267</span> });<a name="line.267"></a> +<span class="sourceLineNo">268</span> return future;<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> /**<a name="line.271"></a> +<span class="sourceLineNo">272</span> * Performs a scan of META table for given table.<a name="line.272"></a> +<span class="sourceLineNo">273</span> * @param metaTable<a name="line.273"></a> +<span class="sourceLineNo">274</span> * @param tableName table withing we scan<a name="line.274"></a> +<span class="sourceLineNo">275</span> * @param type scanned part of meta<a name="line.275"></a> +<span class="sourceLineNo">276</span> * @param visitor Visitor invoked against each row<a name="line.276"></a> +<span class="sourceLineNo">277</span> */<a name="line.277"></a> +<span class="sourceLineNo">278</span> private static CompletableFuture<Void> scanMeta(RawAsyncTable metaTable,<a name="line.278"></a> +<span class="sourceLineNo">279</span> Optional<TableName> tableName, QueryType type, final Visitor visitor) {<a name="line.279"></a> +<span class="sourceLineNo">280</span> return scanMeta(metaTable, getTableStartRowForMeta(tableName, type),<a name="line.280"></a> +<span class="sourceLineNo">281</span> getTableStopRowForMeta(tableName, type), type, Integer.MAX_VALUE, visitor);<a name="line.281"></a> +<span class="sourceLineNo">282</span> }<a name="line.282"></a> +<span class="sourceLineNo">283</span><a name="line.283"></a> +<span class="sourceLineNo">284</span> /**<a name="line.284"></a> +<span class="sourceLineNo">285</span> * Performs a scan of META table for given table.<a name="line.285"></a> +<span class="sourceLineNo">286</span> * @param metaTable<a name="line.286"></a> +<span class="sourceLineNo">287</span> * @param startRow Where to start the scan<a name="line.287"></a> +<span class="sourceLineNo">288</span> * @param stopRow Where to stop the scan<a name="line.288"></a> +<span class="sourceLineNo">289</span> * @param type scanned part of meta<a name="line.289"></a> +<span class="sourceLineNo">290</span> * @param maxRows maximum rows to return<a name="line.290"></a> +<span class="sourceLineNo">291</span> * @param visitor Visitor invoked against each row<a name="line.291"></a> +<span class="sourceLineNo">292</span> */<a name="line.292"></a> +<span class="sourceLineNo">293</span> private static CompletableFuture<Void> scanMeta(RawAsyncTable metaTable, Optional<byte[]> startRow,<a name="line.293"></a> +<span class="sourceLineNo">294</span> Optional<byte[]> stopRow, QueryType type, int maxRows, final Visitor visitor) {<a name="line.294"></a> +<span class="sourceLineNo">295</span> int rowUpperLimit = maxRows > 0 ? maxRows : Integer.MAX_VALUE;<a name="line.295"></a> +<span class="sourceLineNo">296</span> Scan scan = getMetaScan(metaTable, rowUpperLimit);<a name="line.296"></a> +<span class="sourceLineNo">297</span> for (byte[] family : type.getFamilies()) {<a name="line.297"></a> +<span class="sourceLineNo">298</span> scan.addFamily(family);<a name="line.298"></a> +<span class="sourceLineNo">299</span> }<a name="line.299"></a> +<span class="sourceLineNo">300</span> startRow.ifPresent(scan::withStartRow);<a name="line.300"></a> +<span class="sourceLineNo">301</span> stopRow.ifPresent(scan::withStopRow);<a name="line.301"></a> +<span class="sourceLineNo">302</span><a name="line.302"></a> +<span class="sourceLineNo">303</span> if (LOG.isTraceEnabled()) {<a name="line.303"></a> +<span class="sourceLineNo">304</span> LOG.trace("Scanning META" + " starting at row=" + Bytes.toStringBinary(scan.getStartRow())<a name="line.304"></a> +<span class="sourceLineNo">305</span> + " stopping at row=" + Bytes.toStringBinary(scan.getStopRow()) + " for max="<a name="line.305"></a> +<span class="sourceLineNo">306</span> + rowUpperLimit + " with caching=" + scan.getCaching());<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span><a name="line.308"></a> +<span class="sourceLineNo">309</span> CompletableFuture<Void> future = new CompletableFuture<Void>();<a name="line.309"></a> +<span class="sourceLineNo">310</span> metaTable.scan(scan, new MetaTableRawScanResultConsumer(rowUpperLimit, visitor, future));<a name="line.310"></a> +<span class="sourceLineNo">311</span> return future;<a name="line.311"></a> +<span class="sourceLineNo">312</span> }<a name="line.312"></a> +<span class="sourceLineNo">313</span><a name="line.313"></a> +<span class="sourceLineNo">314</span> private static final class MetaTableRawScanResultConsumer implements RawScanResultConsumer {<a name="line.314"></a> +<span class="sourceLineNo">315</span><a name="line.315"></a> +<span class="sourceLineNo">316</span> private int currentRowCount;<a name="line.316"></a> +<span class="sourceLineNo">317</span><a name="line.317"></a> +<span class="sourceLineNo">318</span> private final int rowUpperLimit;<a name="line.318"></a> +<span class="sourceLineNo">319</span><a name="line.319"></a> +<span class="sourceLineNo">320</span> private final Visitor visitor;<a name="line.320"></a> +<span class="sourceLineNo">321</span><a name="line.321"></a> +<span class="sourceLineNo">322</span> private final CompletableFuture<Void> future;<a name="line.322"></a> +<span class="sourceLineNo">323</span><a name="line.323"></a> +<span class="sourceLineNo">324</span> MetaTableRawScanResultConsumer(int rowUpperLimit, Visitor visitor, CompletableFuture<Void> future) {<a name="line.324"></a> +<span class="sourceLineNo">325</span> this.rowUpperLimit = rowUpperLimit;<a name="line.325"></a> +<span class="sourceLineNo">326</span> this.visitor = visitor;<a name="line.326"></a> +<span class="sourceLineNo">327</span> this.future = future;<a name="line.327"></a> +<span class="sourceLineNo">328</span> this.currentRowCount = 0;<a name="line.328"></a> +<span class="sourceLineNo">329</span> }<a name="line.329"></a> <span class="sourceLineNo">330</span><a name="line.330"></a> -<span class="sourceLineNo">331</span> List<HRegionLocation> locations = new ArrayList<HRegionLocation>(1);<a name="line.331"></a> -<span class="sourceLineNo">332</span> NavigableMap<byte[], NavigableMap<byte[], byte[]>> familyMap = r.getNoVersionMap();<a name="line.332"></a> -<span class="sourceLineNo">333</span><a name="line.333"></a> -<span class="sourceLineNo">334</span> locations.add(getRegionLocation(r, regionInfo.get(), 0));<a name="line.334"></a> +<span class="sourceLineNo">331</span> @Override<a name="line.331"></a> +<span class="sourceLineNo">332</span> public void onError(Throwable error) {<a name="line.332"></a> +<span class="sourceLineNo">333</span> future.completeExceptionally(error);<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> <span class="sourceLineNo">335</span><a name="line.335"></a> -<span class="sourceLineNo">336</span> NavigableMap<byte[], byte[]> infoMap = familyMap.get(getCatalogFamily());<a name="line.336"></a> -<span class="sourceLineNo">337</span> if (infoMap == null) return Optional.of(new RegionLocations(locations));<a name="line.337"></a> -<span class="sourceLineNo">338</span><a name="line.338"></a> -<span class="sourceLineNo">339</span> // iterate until all serverName columns are seen<a name="line.339"></a> -<span 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We usually do not<a name="line.353"></a> -<span class="sourceLineNo">354</span> // have HRL's in RegionLocations object with null ServerName. 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The regionInfo can be the default region info<a name="line.367"></a> -<span class="sourceLineNo">368</span> * for the replica.<a name="line.368"></a> -<span class="sourceLineNo">369</span> * @param r the meta row result<a name="line.369"></a> -<span class="sourceLineNo">370</span> * @param regionInfo RegionInfo for default replica<a name="line.370"></a> -<span class="sourceLineNo">371</span> * @param replicaId the replicaId for the HRegionLocation<a name="line.371"></a> -<span class="sourceLineNo">372</span> * @return HRegionLocation parsed from the given meta row Result for the given replicaId<a name="line.372"></a> -<span class="sourceLineNo">373</span> */<a name="line.373"></a> -<span class="sourceLineNo">374</span> private static HRegionLocation getRegionLocation(final Result r, final HRegionInfo regionInfo,<a name="line.374"></a> -<span class="sourceLineNo">375</span> final int replicaId) {<a name="line.375"></a> -<span class="sourceLineNo">376</span> Optional<ServerName> serverName = getServerName(r, replicaId);<a name="line.376"></a> -<span class="sourceLineNo">377</span> long seqNum = getSeqNumDuringOpen(r, replicaId);<a name="line.377"></a> -<span class="sourceLineNo">378</span> HRegionInfo replicaInfo = RegionReplicaUtil.getRegionInfoForReplica(regionInfo, replicaId);<a name="line.378"></a> -<span class="sourceLineNo">379</span> return new HRegionLocation(replicaInfo, serverName.orElse(null), seqNum);<a name="line.379"></a> -<span class="sourceLineNo">380</span> }<a name="line.380"></a> -<span class="sourceLineNo">381</span><a name="line.381"></a> -<span class="sourceLineNo">382</span> /**<a name="line.382"></a> -<span class="sourceLineNo">383</span> * Returns a {@link ServerName} from catalog table {@link Result}.<a name="line.383"></a> -<span class="sourceLineNo">384</span> * @param r Result to pull from<a name="line.384"></a> -<span class="sourceLineNo">385</span> * @return A ServerName instance.<a name="line.385"></a> -<span 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r.getColumnLatestCell(getCatalogFamily(), startcodeColumn);<a name="line.394"></a> -<span class="sourceLineNo">395</span> if (cell == null || cell.getValueLength() == 0) return Optional.empty();<a name="line.395"></a> -<span class="sourceLineNo">396</span> try {<a name="line.396"></a> -<span class="sourceLineNo">397</span> return Optional.of(ServerName.valueOf(hostAndPort,<a name="line.397"></a> -<span class="sourceLineNo">398</span> Bytes.toLong(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength())));<a name="line.398"></a> -<span class="sourceLineNo">399</span> } catch (IllegalArgumentException e) {<a name="line.399"></a> -<span class="sourceLineNo">400</span> LOG.error("Ignoring invalid region for server " + hostAndPort + "; cell=" + cell, e);<a name="line.400"></a> -<span class="sourceLineNo">401</span> return Optional.empty();<a name="line.401"></a> -<span class="sourceLineNo">402</span> }<a name="line.402"></a> -<span class="sourceLineNo">403</span> }<a 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getSeqNumColumn(replicaId));<a name="line.412"></a> -<span class="sourceLineNo">413</span> if (cell == null || cell.getValueLength() == 0) return HConstants.NO_SEQNUM;<a name="line.413"></a> -<span class="sourceLineNo">414</span> return Bytes.toLong(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength());<a name="line.414"></a> -<span class="sourceLineNo">415</span> }<a name="line.415"></a> -<span class="sourceLineNo">416</span><a name="line.416"></a> -<span class="sourceLineNo">417</span> /**<a name="line.417"></a> -<span class="sourceLineNo">418</span> * @param tableName table we're working with<a name="line.418"></a> -<span class="sourceLineNo">419</span> * @return start row for scanning META according to query type<a name="line.419"></a> -<span class="sourceLineNo">420</span> */<a name="line.420"></a> -<span class="sourceLineNo">421</span> private static Optional<byte[]> getTableStartRowForMeta(Optional<TableName> tableName,<a name="line.421"></a> -<span class="sourceLineNo">422</span> QueryType type) {<a name="line.422"></a> -<span class="sourceLineNo">423</span> return tableName.map((table) -> {<a name="line.423"></a> -<span class="sourceLineNo">424</span> switch (type) {<a name="line.424"></a> -<span class="sourceLineNo">425</span> case REGION:<a name="line.425"></a> -<span class="sourceLineNo">426</span> byte[] startRow = new byte[table.getName().length + 2];<a name="line.426"></a> -<span class="sourceLineNo">427</span> System.arraycopy(table.getName(), 0, startRow, 0, table.getName().length);<a name="line.427"></a> -<span class="sourceLineNo">428</span> startRow[startRow.length - 2] = HConstants.DELIMITER;<a name="line.428"></a> -<span class="sourceLineNo">429</span> startRow[startRow.length - 1] = HConstants.DELIMITER;<a name="line.429"></a> -<span class="sourceLineNo">430</span> return startRow;<a name="line.430"></a> -<span class="sourceLineNo">431</span> case ALL:<a name="line.431"></a> -<span class="sourceLineNo">432</span> 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class="sourceLineNo">338</span> justification = "https://github.com/findbugsproject/findbugs/issues/79";)<a name="line.338"></a> +<span class="sourceLineNo">339</span> public void onComplete() {<a name="line.339"></a> +<span class="sourceLineNo">340</span> future.complete(null);<a name="line.340"></a> +<span class="sourceLineNo">341</span> }<a name="line.341"></a> +<span class="sourceLineNo">342</span><a name="line.342"></a> +<span class="sourceLineNo">343</span> @Override<a name="line.343"></a> +<span class="sourceLineNo">344</span> public void onNext(Result[] results, ScanController controller) {<a name="line.344"></a> +<span class="sourceLineNo">345</span> for (Result result : results) {<a name="line.345"></a> +<span class="sourceLineNo">346</span> try {<a name="line.346"></a> +<span class="sourceLineNo">347</span> if (!visitor.visit(result)) {<a name="line.347"></a> +<span class="sourceLineNo">348</span> controller.terminate();<a name="line.348"></a> +<span class="sourceLineNo">349</span> }<a name="line.349"></a> +<span class="sourceLineNo">350</span> } catch (IOException e) {<a name="line.350"></a> +<span class="sourceLineNo">351</span> future.completeExceptionally(e);<a name="line.351"></a> +<span class="sourceLineNo">352</span> controller.terminate();<a name="line.352"></a> +<span class="sourceLineNo">353</span> }<a name="line.353"></a> +<span class="sourceLineNo">354</span> if (++currentRowCount >= rowUpperLimit) {<a name="line.354"></a> +<span class="sourceLineNo">355</span> controller.terminate();<a name="line.355"></a> +<span class="sourceLineNo">356</span> }<a name="line.356"></a> +<span class="sourceLineNo">357</span> }<a name="line.357"></a> +<span class="sourceLineNo">358</span> }<a name="line.358"></a> +<span class="sourceLineNo">359</span> }<a name="line.359"></a> +<span class="sourceLineNo">360</span><a name="line.360"></a> +<span class="sourceLineNo">361</span> private static Scan getMetaScan(RawAsyncTable metaTable, int rowUpperLimit) {<a name="line.361"></a> +<span class="sourceLineNo">362</span> Scan scan = new Scan();<a name="line.362"></a> +<span class="sourceLineNo">363</span> int scannerCaching = metaTable.getConfiguration().getInt(HConstants.HBASE_META_SCANNER_CACHING,<a name="line.363"></a> +<span class="sourceLineNo">364</span> HConstants.DEFAULT_HBASE_META_SCANNER_CACHING);<a name="line.364"></a> +<span class="sourceLineNo">365</span> if (metaTable.getConfiguration().getBoolean(HConstants.USE_META_REPLICAS,<a name="line.365"></a> +<span class="sourceLineNo">366</span> HConstants.DEFAULT_USE_META_REPLICAS)) {<a name="line.366"></a> +<span class="sourceLineNo">367</span> scan.setConsistency(Consistency.TIMELINE);<a name="line.367"></a> +<span class="sourceLineNo">368</span> }<a name="line.368"></a> +<span class="sourceLineNo">369</span> if (rowUpperLimit <= scannerCaching) {<a name="line.369"></a> +<span class="sourceLineNo">370</span> scan.setLimit(rowUpperLimit);<a name="line.370"></a> +<span class="sourceLineNo">371</span> }<a name="line.371"></a> +<span class="sourceLineNo">372</span> int rows = Math.min(rowUpperLimit, scannerCaching);<a name="line.372"></a> +<span class="sourceLineNo">373</span> scan.setCaching(rows);<a name="line.373"></a> +<span class="sourceLineNo">374</span> return scan;<a name="line.374"></a> +<span class="sourceLineNo">375</span> }<a name="line.375"></a> +<span class="sourceLineNo">376</span><a name="line.376"></a> +<span class="sourceLineNo">377</span> /**<a name="line.377"></a> +<span class="sourceLineNo">378</span> * Returns an HRegionLocationList extracted from the result.<a name="line.378"></a> +<span class="sourceLineNo">379</span> * @return an HRegionLocationList containing all locations for the region range or null if we<a name="line.379"></a> +<span class="sourceLineNo">380</span> * can't deserialize the result.<a name="line.380"></a> +<span class="sourceLineNo">381</span> */<a name="line.381"></a> +<span class="sourceLineNo">382</span> private static Optional<RegionLocations> getRegionLocations(final Result r) {<a name="line.382"></a> +<span class="sourceLineNo">383</span> if (r == null) return Optional.empty();<a name="line.383"></a> +<span class="sourceLineNo">384</span> Optional<HRegionInfo> regionInfo = getHRegionInfo(r, getRegionInfoColumn());<a name="line.384"></a> +<span class="sourceLineNo">385</span> if (!regionInfo.isPresent()) return Optional.empty();<a name="line.385"></a> +<span class="sourceLineNo">386</span><a name="line.386"></a> +<span class="sourceLineNo">387</span> List<HRegionLocation> locations = new ArrayList<HRegionLocation>(1);<a name="line.387"></a> +<span class="sourceLineNo">388</span> NavigableMap<byte[], NavigableMap<byte[], byte[]>> familyMap = r.getNoVersionMap();<a name="line.388"></a> +<span class="sourceLineNo">389</span><a name="line.389"></a> +<span class="sourceLineNo">390</span> locations.add(getRegionLocation(r, regionInfo.get(), 0));<a name="line.390"></a> +<span class="sourceLineNo">391</span><a name="line.391"></a> +<span class="sourceLineNo">392</span> NavigableMap<byte[], byte[]> infoMap = familyMap.get(getCatalogFamily());<a name="line.392"></a> +<span class="sourceLineNo">393</span> if (infoMap == null) return Optional.of(new RegionLocations(locations));<a name="line.393"></a> +<span class="sourceLineNo">394</span><a name="line.394"></a> +<span class="sourceLineNo">395</span> // iterate until all serverName columns are seen<a name="line.395"></a> +<span class="sourceLineNo">396</span> int replicaId = 0;<a name="line.396"></a> +<span class="sourceLineNo">397</span> byte[] serverColumn = getServerColumn(replicaId);<a name="line.397"></a> +<span class="sourceLineNo">398</span> SortedMap<byte[], byte[]> serverMap = null;<a name="line.398"></a> +<span class="sourceLineNo">399</span> serverMap = infoMap.tailMap(serverColumn, false);<a name="line.399"></a> +<span class="sourceLineNo">400</span><a name="line.400"></a> +<span class="sourceLineNo">401</span> if (serverMap.isEmpty()) return Optional.of(new RegionLocations(locations));<a name="line.401"></a> +<span class="sourceLineNo">402</span><a name="line.402"></a> +<span class="sourceLineNo">403</span> for (Map.Entry<byte[], byte[]> entry : serverMap.entrySet()) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> replicaId = parseReplicaIdFromServerColumn(entry.getKey());<a name="line.404"></a> +<span class="sourceLineNo">405</span> if (replicaId < 0) {<a name="line.405"></a> +<span class="sourceLineNo">406</span> break;<a name="line.406"></a> +<span class="sourceLineNo">407</span> }<a name="line.407"></a> +<span class="sourceLineNo">408</span> HRegionLocation location = getRegionLocation(r, regionInfo.get(), replicaId);<a name="line.408"></a> +<span class="sourceLineNo">409</span> // In case the region replica is newly created, it's location might be null. We usually do not<a name="line.409"></a> +<span class="sourceLineNo">410</span> // have HRL's in RegionLocations object with null ServerName. 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3] = ' ';<a name="line.451"></a> -<span class="sourceLineNo">452</span> stopRow[stopRow.length - 2] = HConstants.DELIMITER;<a name="line.452"></a> -<span class="sourceLineNo">453</span> stopRow[stopRow.length - 1] = HConstants.DELIMITER;<a name="line.453"></a> -<span class="sourceLineNo">454</span> break;<a name="line.454"></a> -<span class="sourceLineNo">455</span> case ALL:<a name="line.455"></a> -<span class="sourceLineNo">456</span> case TABLE:<a name="line.456"></a> -<span class="sourceLineNo">457</span> default:<a name="line.457"></a> -<span class="sourceLineNo">458</span> stopRow = new byte[table.getName().length + 1];<a name="line.458"></a> -<span class="sourceLineNo">459</span> System.arraycopy(table.getName(), 0, stopRow, 0, table.getName().length);<a name="line.459"></a> -<span class="sourceLineNo">460</span> stopRow[stopRow.length - 1] = ' ';<a name="line.460"></a> -<span class="sourceLineNo">461</span> break;<a name="line.461"></a> -<span class="sourceLineNo">462</span> }<a name="line.462"></a> -<span class="sourceLineNo">463</span> return stopRow;<a name="line.463"></a> -<span class="sourceLineNo">464</span> });<a name="line.464"></a> -<span class="sourceLineNo">465</span> }<a name="line.465"></a> -<span class="sourceLineNo">466</span><a name="line.466"></a> -<span class="sourceLineNo">467</span> /**<a name="line.467"></a> -<span class="sourceLineNo">468</span> * Returns the HRegionInfo object from the column {@link HConstants#CATALOG_FAMILY} and<a name="line.468"></a> -<span class="sourceLineNo">469</span> * <code>qualifier</code> of the catalog table result.<a name="line.469"></a> -<span class="sourceLineNo">470</span> * @param r a Result object from the catalog table scan<a name="line.470"></a> -<span class="sourceLineNo">471</span> * @param qualifier Column family qualifier<a name="line.471"></a> -<span class="sourceLineNo">472</span> * @return An HRegionInfo instance.<a name="line.472"></a> -<span class="sourceLineNo">473</span> */<a name="line.473"></a> -<span class="sourceLineNo">474</span> private static Optional<HRegionInfo> getHRegionInfo(final Result r, byte[] qualifier) {<a name="line.474"></a> -<span class="sourceLineNo">475</span> Cell cell = r.getColumnLatestCell(getCatalogFamily(), qualifier);<a name="line.475"></a> -<span class="sourceLineNo">476</span> if (cell == null) return Optional.empty();<a name="line.476"></a> -<span class="sourceLineNo">477</span> return Optional.ofNullable(HRegionInfo.parseFromOrNull(cell.getValueArray(),<a name="line.477"></a> -<span class="sourceLineNo">478</span> cell.getValueOffset(), cell.getValueLength()));<a name="line.478"></a> -<span class="sourceLineNo">479</span> }<a name="line.479"></a> -<span class="sourceLineNo">480</span><a name="line.480"></a> -<span class="sourceLineNo">481</span> /**<a name="line.481"></a> -<span class="sourceLineNo">482</span> * Returns the column family used for meta columns.<a name="line.482"></a> -<sp
<TRUNCATED>
