com.redhat.lightblue.migrator.facade.sharedstore

Class SharedStoreImpl

java.lang.Object

com.redhat.lightblue.migrator.facade.sharedstore.SharedStoreImpl

All Implemented Interfaces:

SharedStore

public class SharedStoreImpl
extends Object
implements SharedStore

SharedStore implementation using ehcache. Creates a cache object per service and uses thread id as key to avoid conflicts. There is an assumption that both legacy and lightblue services create entities in the same order (push/pop).

Author:

mpatercz

Constructor Summary

Constructors

Constructor and Description
SharedStoreImpl(String implementationName)
SharedStoreImpl(String implementationName, URL ehcacheConfigFile)

Method Summary

Modifier and Type	Method and Description
void	clear() Clear data for current thread.
void	copyFromThread(long sourceThreadId) Copy all key-value pairs from one thread to the other.
boolean	isDualMigrationPhase() This flag tells lightblue service implementation if it's running alone or not.
Object	pop() A FIFO queue pop.
void	push(Object obj) A FIFO queue push.
void	setDualMigrationPhase(boolean isDualMigrationPhase) See SharedStore.isDualMigrationPhase().

Methods inherited from class java.lang.Object

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

Constructor Detail

SharedStoreImpl

public SharedStoreImpl(String implementationName)

SharedStoreImpl

public SharedStoreImpl(String implementationName,
                       URL ehcacheConfigFile)

Method Detail

push

public void push(Object obj)

Description copied from interface: SharedStore

A FIFO queue push.

Specified by:

push in interface SharedStore

pop

public Object pop()

Description copied from interface: SharedStore

A FIFO queue pop.

Specified by:

pop in interface SharedStore

copyFromThread

public void copyFromThread(long sourceThreadId)

Description copied from interface: SharedStore

Copy all key-value pairs from one thread to the other.

Specified by:

copyFromThread in interface SharedStore

isDualMigrationPhase

public boolean isDualMigrationPhase()

Description copied from interface: SharedStore

This flag tells lightblue service implementation if it's running alone or not.

Specified by:

isDualMigrationPhase in interface SharedStore

Returns:

true if 2 services are running - legacy and lightblue. False if it's only lightblue.

setDualMigrationPhase

public void setDualMigrationPhase(boolean isDualMigrationPhase)

Description copied from interface: SharedStore

See SharedStore.isDualMigrationPhase().

Specified by:

setDualMigrationPhase in interface SharedStore

clear

public void clear()

Description copied from interface: SharedStore

Clear data for current thread.

Specified by:

clear in interface SharedStore