org.apache.hadoop.hbase.util
Class MultiHConnection

java.lang.Object
  org.apache.hadoop.hbase.util.MultiHConnection

@InterfaceAudience.Private
public class MultiHConnection
extends Object

Provides ability to create multiple HConnection instances and allows to process a batch of actions using HConnection.processBatchCallback()

Constructor Summary

MultiHConnection(org.apache.hadoop.conf.Configuration conf, int noOfConnections)
Create multiple HConnection instances and initialize a thread pool executor

Method Summary

void	close() Close the open connections and shutdown the batchpool
<R> void	processBatchCallback(List<? extends Row> actions, TableName tableName, Object[] results, Batch.Callback<R> callback) Randomly pick a connection and process the batch of actions for a given table

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MultiHConnection

public MultiHConnection(org.apache.hadoop.conf.Configuration conf,
                        int noOfConnections)
                 throws IOException

Create multiple HConnection instances and initialize a thread pool executor

Parameters:

conf - configuration

noOfConnections - total no of HConnections to create

Throws:

IOException

Method Detail

close

public void close()

Close the open connections and shutdown the batchpool

processBatchCallback

public <R> void processBatchCallback(List<? extends Row> actions,
                                     TableName tableName,
                                     Object[] results,
                                     Batch.Callback<R> callback)
                          throws IOException

Randomly pick a connection and process the batch of actions for a given table

Parameters:

actions - the actions

tableName - table name

results - the results array

callback -

Throws:

IOException

InterruptedException