com.helger.photon.basic.app.dao.impl

Class WALListener

java.lang.Object

com.helger.commons.scope.singleton.AbstractSingleton

com.helger.commons.scope.singleton.AbstractGlobalSingleton

com.helger.photon.basic.app.dao.impl.WALListener

All Implemented Interfaces:

com.helger.commons.scope.IScopeDestructionAware

public final class WALListener
extends com.helger.commons.scope.singleton.AbstractGlobalSingleton

The global write ahead logging manager that schedules future writings of a DAO.

Author:

Philip Helger

Field Summary

Fields inherited from class com.helger.commons.scope.singleton.AbstractSingleton

m_aRWLock

Constructor Summary

Constructors

Constructor and Description
WALListener() Deprecated.

Method Summary

Modifier and Type	Method and Description
static WALListener	getInstance()
protected void	onDestroy(com.helger.commons.scope.IScope aScopeInDestruction)
void	registerForLaterWriting(AbstractWALDAO<?> aDAO, String sWALFilename, com.helger.commons.lang.TimeValue aWaitingWime) This is the main method for registration of later writing.

Methods inherited from class com.helger.commons.scope.singleton.AbstractGlobalSingleton

getAllGlobalSingletons, getGlobalSingleton, getGlobalSingletonIfInstantiated, isGlobalSingletonInstantiated

Methods inherited from class com.helger.commons.scope.singleton.AbstractSingleton

getAllSingletons, getSingleton, getSingletonIfInstantiated, getSingletonScopeKey, isDestroyed, isInDestruction, isInInstantiation, isInPreDestruction, isInstantiated, isSingletonInstantiated, isUsableObject, onAfterInstantiation, onBeforeDestroy, onBeforeScopeDestruction, onScopeDestruction, readAbstractSingletonFields, setDestroyed, setInDestruction, setInInstantiation, setInPreDestruction, setInstantiated, toString, writeAbstractSingletonFields

Methods inherited from class java.lang.Object

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

Constructor Detail

WALListener

@Deprecated
 @UsedViaReflection
public WALListener()

Deprecated.

Method Detail

getInstance

@Nonnull
public static WALListener getInstance()

onDestroy

protected void onDestroy(@Nonnull
                         com.helger.commons.scope.IScope aScopeInDestruction)

Overrides:

onDestroy in class com.helger.commons.scope.singleton.AbstractSingleton

registerForLaterWriting

public void registerForLaterWriting(@Nonnull
                                    AbstractWALDAO<?> aDAO,
                                    @Nonnull
                                    String sWALFilename,
                                    @Nonnull
                                    com.helger.commons.lang.TimeValue aWaitingWime)

This is the main method for registration of later writing.

Parameters:

aDAO - The DAO to be written

sWALFilename - The filename of the WAL file for later deletion (in case the filename changes over time).

aWaitingWime - The time to wait, until the file is physically written. May not be null.