org.apache.tephra.txprune

Class TransactionPruningService

java.lang.Object

com.google.common.util.concurrent.AbstractIdleService

org.apache.tephra.txprune.TransactionPruningService

All Implemented Interfaces:

com.google.common.util.concurrent.Service

public class TransactionPruningService
extends com.google.common.util.concurrent.AbstractIdleService

Service to prune the invalid list periodically.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.common.util.concurrent.Service

com.google.common.util.concurrent.Service.Listener, com.google.common.util.concurrent.Service.State

Constructor Summary

Constructors

Constructor and Description
TransactionPruningService(org.apache.hadoop.conf.Configuration conf, TransactionManager txManager)

Method Summary

Modifier and Type	Method and Description
void	pruneNow() Trigger a run of the transaction pruning.
protected void	shutDown()
protected void	startUp()

Methods inherited from class com.google.common.util.concurrent.AbstractIdleService

addListener, executor, isRunning, start, startAndWait, state, stop, stopAndWait, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionPruningService

public TransactionPruningService(org.apache.hadoop.conf.Configuration conf,
                                 TransactionManager txManager)

Method Detail

startUp

protected void startUp()
                throws Exception

Specified by:

startUp in class com.google.common.util.concurrent.AbstractIdleService

Throws:

Exception

shutDown

protected void shutDown()
                 throws Exception

Specified by:

shutDown in class com.google.common.util.concurrent.AbstractIdleService

Throws:

Exception

pruneNow

public void pruneNow()

Trigger a run of the transaction pruning. It will run as soon as no pruning is running. That is, if pruning is running at this moment, then another will start after it is done.