org.apache.tephra.coprocessor

Class TransactionStateCacheSupplier

java.lang.Object

org.apache.tephra.coprocessor.TransactionStateCacheSupplier

All Implemented Interfaces:

com.google.common.base.Supplier<TransactionStateCache>

public class TransactionStateCacheSupplier
extends Object
implements com.google.common.base.Supplier<TransactionStateCache>

Supplies instances of TransactionStateCache implementations.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.conf.Configuration	conf
protected static TransactionStateCache	instance
protected static Object	lock

Constructor Summary

Constructors

Constructor and Description
TransactionStateCacheSupplier(org.apache.hadoop.conf.Configuration conf)

Method Summary

Methods

Modifier and Type	Method and Description
TransactionStateCache	get() Returns a singleton instance of the transaction state cache, performing lazy initialization if necessary.

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static volatile TransactionStateCache instance

lock

protected static Object lock

conf

protected final org.apache.hadoop.conf.Configuration conf

Constructor Detail

TransactionStateCacheSupplier

public TransactionStateCacheSupplier(org.apache.hadoop.conf.Configuration conf)

Method Detail

get

public TransactionStateCache get()

Returns a singleton instance of the transaction state cache, performing lazy initialization if necessary.

Specified by:

get in interface com.google.common.base.Supplier<TransactionStateCache>

Returns:

A shared instance of the transaction state cache.