org.apache.activemq.broker.region.policy

Interface SubscriptionRecoveryPolicy

All Superinterfaces:

org.apache.activemq.Service

All Known Implementing Classes:

FixedCountSubscriptionRecoveryPolicy, FixedSizedSubscriptionRecoveryPolicy, LastImageSubscriptionRecoveryPolicy, NoSubscriptionRecoveryPolicy, QueryBasedSubscriptionRecoveryPolicy, RetainedMessageSubscriptionRecoveryPolicy, TimedSubscriptionRecoveryPolicy

public interface SubscriptionRecoveryPolicy
extends org.apache.activemq.Service

Abstraction to allow different recovery policies to be plugged into the region implementations. This is used by a topic to retroactively recover messages that the subscription missed.

Method Summary

Modifier and Type	Method and Description
boolean	add(ConnectionContext context, org.apache.activemq.broker.region.MessageReference message) A message was sent to the destination.
org.apache.activemq.command.Message[]	browse(org.apache.activemq.command.ActiveMQDestination dest)
SubscriptionRecoveryPolicy	copy() Used to copy the policy object.
void	recover(ConnectionContext context, Topic topic, SubscriptionRecovery sub) Let a subscription recover message held by the policy.
void	setBroker(Broker broker)

Methods inherited from interface org.apache.activemq.Service

start, stop

Method Detail

add

boolean add(ConnectionContext context,
            org.apache.activemq.broker.region.MessageReference message)
     throws Exception

A message was sent to the destination.

Parameters:

context -

message -

Returns:

true if successful

Throws:

Exception

recover

void recover(ConnectionContext context,
             Topic topic,
             SubscriptionRecovery sub)
      throws Exception

Let a subscription recover message held by the policy.

Parameters:

context -

topic -

sub -

Throws:

Exception

browse

org.apache.activemq.command.Message[] browse(org.apache.activemq.command.ActiveMQDestination dest)
                                      throws Exception

Parameters:

dest -

Returns:

messages

Throws:

Exception

copy

SubscriptionRecoveryPolicy copy()

Used to copy the policy object.

Returns:

the copy

setBroker

void setBroker(Broker broker)