Package org.springframework.integration.store

Interface BasicMessageGroupStore

All Known Subinterfaces:

ChannelMessageStore, MessageGroupStore, PriorityCapableChannelMessageStore

All Known Implementing Classes:

AbstractBatchingMessageGroupStore, AbstractConfigurableMongoDbMessageStore, AbstractKeyValueMessageStore, AbstractMessageGroupStore, ConfigurableMongoDbMessageStore, GemfireMessageStore, HazelcastMessageStore, JdbcChannelMessageStore, JdbcMessageStore, MongoDbChannelMessageStore, MongoDbMessageStore, RedisChannelMessageStore, RedisChannelPriorityMessageStore, RedisMessageStore, SimpleMessageStore

public interface BasicMessageGroupStore

Defines a minimal message group store with basic capabilities.

Since:

4.0

Author:

Gary Russell

Method Summary

Modifier and Type	Method	Description
MessageGroup	addMessageToGroup(Object groupId, Message<?> message)	Store a message with an association to a group id.
MessageGroup	getMessageGroup(Object groupId)	Return all Messages currently in the MessageStore that were stored using addMessageToGroup(Object, Message) with this group id.
int	messageGroupSize(Object groupId)	Return the size of this MessageGroup.
Message<?>	pollMessageFromGroup(Object groupId)	Poll Message from this MessageGroup (in FIFO style if supported by the implementation) while also removing the polled Message.
void	removeMessageGroup(Object groupId)	Remove the message group with this id.

Method Details

messageGroupSize

@ManagedAttribute
int messageGroupSize(Object groupId)

Return the size of this MessageGroup.

Parameters:

groupId - The group identifier.

Returns:

The size.

getMessageGroup

MessageGroup getMessageGroup(Object groupId)

Return all Messages currently in the MessageStore that were stored using addMessageToGroup(Object, Message) with this group id.

Parameters:

groupId - The group identifier.

Returns:

A group of messages, empty if none exists for this key.

addMessageToGroup

MessageGroup addMessageToGroup(Object groupId,
 Message<?> message)

Store a message with an association to a group id. This can be used to group messages together.

Parameters:

groupId - The group id to store the message under.

message - A message.

Returns:

The message group.

pollMessageFromGroup

Message<?> pollMessageFromGroup(Object groupId)

Poll Message from this MessageGroup (in FIFO style if supported by the implementation) while also removing the polled Message.

Parameters:

groupId - The group identifier.

Returns:

The message.

removeMessageGroup

void removeMessageGroup(Object groupId)

Remove the message group with this id.

Parameters:

groupId - The id of the group to remove.