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| <h2 title="Interface CatalogReplicaLoadBalanceSelector" class="title">Interface CatalogReplicaLoadBalanceSelector</h2> |
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| <pre>@InterfaceAudience.Private |
| interface <a href="../../../../../src-html/org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSelector.html#line.29">CatalogReplicaLoadBalanceSelector</a></pre> |
| <div class="block">A Catalog replica selector decides which catalog replica to go for read requests when it is |
| configured as CatalogReplicaMode.LoadBalance.</div> |
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| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSelector.html#UNINITIALIZED_NUM_OF_REPLICAS">UNINITIALIZED_NUM_OF_REPLICAS</a></span></code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSelector.html#onError-org.apache.hadoop.hbase.HRegionLocation-">onError</a></span>(<a href="../../../../../org/apache/hadoop/hbase/HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a> loc)</code> |
| <div class="block">This method is called when input location is stale, i.e, when clients run into |
| org.apache.hadoop.hbase.NotServingRegionException.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSelector.html#select-org.apache.hadoop.hbase.TableName-byte:A-org.apache.hadoop.hbase.client.RegionLocateType-">select</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tablename, |
| byte[] row, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionLocateType.html" title="enum in org.apache.hadoop.hbase.client">RegionLocateType</a> locateType)</code> |
| <div class="block">Select a catalog replica region where client go to loop up the input row key.</div> |
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| <h4>UNINITIALIZED_NUM_OF_REPLICAS</h4> |
| <pre>static final int <a href="../../../../../src-html/org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSelector.html#line.31">UNINITIALIZED_NUM_OF_REPLICAS</a></pre> |
| <dl> |
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| <h4>onError</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSelector.html#line.38">onError</a>(<a href="../../../../../org/apache/hadoop/hbase/HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a> loc)</pre> |
| <div class="block">This method is called when input location is stale, i.e, when clients run into |
| org.apache.hadoop.hbase.NotServingRegionException.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>loc</code> - stale location</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>select</h4> |
| <pre>int <a href="../../../../../src-html/org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSelector.html#line.48">select</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tablename, |
| byte[] row, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionLocateType.html" title="enum in org.apache.hadoop.hbase.client">RegionLocateType</a> locateType)</pre> |
| <div class="block">Select a catalog replica region where client go to loop up the input row key.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tablename</code> - table name</dd> |
| <dd><code>row</code> - key to look up</dd> |
| <dd><code>locateType</code> - locate type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>replica id</dd> |
| </dl> |
| </li> |
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