Package org.apache.activemq.artemis.core.paging.cursor.impl

Class PageSubscriptionCounterImpl

java.lang.Object

org.apache.activemq.artemis.core.paging.cursor.impl.PageSubscriptionCounterImpl

All Implemented Interfaces:

PageSubscriptionCounter

public class PageSubscriptionCounterImpl
extends Object
implements PageSubscriptionCounter

This class will encapsulate the persistent counters for the PagingSubscription

Constructor Summary

Constructors

Constructor	Description
PageSubscriptionCounterImpl(StorageManager storage, PageSubscription subscription, boolean persistent, long subscriptionID)

Method Summary

Modifier and Type	Method	Description
void	applyIncrementOnTX(Transaction tx, long recordID1, int add, long size)	This method will install the TXs
protected void	cleanup()	This method should always be called from a single threaded executor
void	cleanupNonTXCounters(long pageID)	Cleanup temporary page counters on non transactional paged messages
void	delete()
void	delete(Transaction tx)
long	getPersistentSize()
long	getPersistentSizeAdded()
long	getValue()
long	getValueAdded()
void	increment(Transaction tx, int add, long size)
void	loadInc(long id, int add, long size)
void	loadValue(long recordID1, long value1, long size)
void	pendingCounter(Page page, int increment, long size)	This is used only on non transactional paging
void	processReload()	This will process the reload
void	setPersistent(boolean persistent)	used on testing only

Methods inherited from class java.lang.Object

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

Constructor Detail

PageSubscriptionCounterImpl

public PageSubscriptionCounterImpl(StorageManager storage,
                                   PageSubscription subscription,
                                   boolean persistent,
                                   long subscriptionID)

Method Detail

getValueAdded

public long getValueAdded()

Specified by:

getValueAdded in interface PageSubscriptionCounter

getValue

public long getValue()

Specified by:

getValue in interface PageSubscriptionCounter

getPersistentSizeAdded

public long getPersistentSizeAdded()

Specified by:

getPersistentSizeAdded in interface PageSubscriptionCounter

getPersistentSize

public long getPersistentSize()

Specified by:

getPersistentSize in interface PageSubscriptionCounter

pendingCounter

public void pendingCounter(Page page,
                           int increment,
                           long size)
                    throws Exception

This is used only on non transactional paging

Specified by:

pendingCounter in interface PageSubscriptionCounter

Parameters:

page -

increment -

Throws:

Exception

cleanupNonTXCounters

public void cleanupNonTXCounters(long pageID)
                          throws Exception

Cleanup temporary page counters on non transactional paged messages

Specified by:

cleanupNonTXCounters in interface PageSubscriptionCounter

Parameters:

pageID -

Throws:

Exception

increment

public void increment(Transaction tx,
                      int add,
                      long size)
               throws Exception

Specified by:

increment in interface PageSubscriptionCounter

Throws:

Exception

applyIncrementOnTX

public void applyIncrementOnTX(Transaction tx,
                               long recordID1,
                               int add,
                               long size)

This method will install the TXs

Specified by:

applyIncrementOnTX in interface PageSubscriptionCounter

Parameters:

tx -

recordID1 -

add -

loadValue

public void loadValue(long recordID1,
                      long value1,
                      long size)

Specified by:

loadValue in interface PageSubscriptionCounter

delete

public void delete()
            throws Exception

Specified by:

delete in interface PageSubscriptionCounter

Throws:

Exception

delete

public void delete(Transaction tx)
            throws Exception

Specified by:

delete in interface PageSubscriptionCounter

Throws:

Exception

loadInc

public void loadInc(long id,
                    int add,
                    long size)

Specified by:

loadInc in interface PageSubscriptionCounter

processReload

public void processReload()

Description copied from interface: PageSubscriptionCounter

This will process the reload

Specified by:

processReload in interface PageSubscriptionCounter

setPersistent

public void setPersistent(boolean persistent)

used on testing only

cleanup

protected void cleanup()

This method should always be called from a single threaded executor