io.cloudslang.engine.queue.services

Interface QueueListener

public interface QueueListener

User: Date: 19/09/12 Time: 15:08 A listener interface for score queue events.

Method Summary

Methods

Modifier and Type	Method and Description
void	onEnqueue(List<ExecutionMessage> messages, int queueSize) A callback that will be called when messages are inserted to the queue
void	onFailed(List<ExecutionMessage> messages) A callback that will be called when messages are in status of failed
void	onPoll(List<ExecutionMessage> messages, int queueSize) A callback that will be called when messages are polled from the queue
void	onTerminated(List<ExecutionMessage> messages) A callback that will be called when messages are in status of terminated
void	prePersist(List<ExecutionMessage> messages) A callback that will be called when messages are inserted to the queue before they are persisted to the DB

Method Detail

prePersist

void prePersist(List<ExecutionMessage> messages)

A callback that will be called when messages are inserted to the queue before they are persisted to the DB

Parameters:

messages - the messages that are inserted to the queue

onEnqueue

void onEnqueue(List<ExecutionMessage> messages,
             int queueSize)

A callback that will be called when messages are inserted to the queue

Parameters:

messages - the messages that are inserted to the queue

queueSize - the size of the inserted messages

onPoll

void onPoll(List<ExecutionMessage> messages,
          int queueSize)

A callback that will be called when messages are polled from the queue

Parameters:

messages - the messages that are polled from the queue

queueSize - the size of the polled messages

onTerminated

void onTerminated(List<ExecutionMessage> messages)

A callback that will be called when messages are in status of terminated

Parameters:

messages - the terminated messages

onFailed

void onFailed(List<ExecutionMessage> messages)

A callback that will be called when messages are in status of failed

Parameters:

messages - the failed messages