org.apache.activemq.broker.region.policy
Class FixedCountSubscriptionRecoveryPolicy

java.lang.Object
  org.apache.activemq.broker.region.policy.FixedCountSubscriptionRecoveryPolicy

All Implemented Interfaces:

SubscriptionRecoveryPolicy, Service

public class FixedCountSubscriptionRecoveryPolicy
extends java.lang.Object
implements SubscriptionRecoveryPolicy

This implementation of SubscriptionRecoveryPolicy will keep a fixed count of last messages.

Version:

$Revision$

Constructor Summary

FixedCountSubscriptionRecoveryPolicy()

Method Summary

boolean	add(ConnectionContext context, MessageReference node) A message was sent to the destination.
Message[]	browse(ActiveMQDestination destination)
SubscriptionRecoveryPolicy	copy() Used to copy the policy object.
int	getMaximumSize()
void	recover(ConnectionContext context, Topic topic, Subscription sub) Let a subscription recover message held by the policy.
void	setMaximumSize(int maximumSize) Sets the maximum number of messages that this destination will hold around in RAM
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedCountSubscriptionRecoveryPolicy

public FixedCountSubscriptionRecoveryPolicy()

Method Detail

copy

public SubscriptionRecoveryPolicy copy()

Description copied from interface: SubscriptionRecoveryPolicy

Used to copy the policy object.

Specified by:

copy in interface SubscriptionRecoveryPolicy

add

public boolean add(ConnectionContext context,
                   MessageReference node)
            throws java.lang.Exception

Description copied from interface: SubscriptionRecoveryPolicy

A message was sent to the destination.

Specified by:

add in interface SubscriptionRecoveryPolicy

Returns:

true if successful

Throws:

java.lang.Exception

recover

public void recover(ConnectionContext context,
                    Topic topic,
                    Subscription sub)
             throws java.lang.Exception

Description copied from interface: SubscriptionRecoveryPolicy

Let a subscription recover message held by the policy.

Specified by:

recover in interface SubscriptionRecoveryPolicy

Throws:

java.lang.Exception

start

public void start()
           throws java.lang.Exception

Specified by:

start in interface Service

Throws:

java.lang.Exception

stop

public void stop()
          throws java.lang.Exception

Specified by:

stop in interface Service

Throws:

java.lang.Exception

getMaximumSize

public int getMaximumSize()

setMaximumSize

public void setMaximumSize(int maximumSize)

Sets the maximum number of messages that this destination will hold around in RAM

browse

public Message[] browse(ActiveMQDestination destination)
                 throws java.lang.Exception

Specified by:

browse in interface SubscriptionRecoveryPolicy

Returns:

messages

Throws:

java.lang.Exception