public class MessageGroupQueue extends java.util.AbstractQueue<Message<?>> implements java.util.concurrent.BlockingQueue<Message<?>>
BlockingQueue that is backed by a MessageGroupStore. Can be used to ensure guaranteed delivery in
the face of transaction rollback (assuming the store is transactional) and also to ensure messages are not lost if
the process dies (assuming the store is durable). To use the queue across process re-starts, the same group id
must be provided, so it needs to be unique but identifiable with a single logical instance of the queue.| Constructor and Description |
|---|
MessageGroupQueue(MessageGroupStore messageGroupStore,
java.lang.Object groupId) |
MessageGroupQueue(MessageGroupStore messageGroupStore,
java.lang.Object groupId,
int capacity) |
MessageGroupQueue(MessageGroupStore messageGroupStore,
java.lang.Object groupId,
int capacity,
java.util.concurrent.locks.Lock storeLock) |
MessageGroupQueue(MessageGroupStore messageGroupStore,
java.lang.Object groupId,
java.util.concurrent.locks.Lock storeLock) |
| Modifier and Type | Method and Description |
|---|---|
int |
drainTo(java.util.Collection<? super Message<?>> c) |
int |
drainTo(java.util.Collection<? super Message<?>> collection,
int maxElements) |
java.util.Iterator<Message<?>> |
iterator() |
boolean |
offer(Message<?> message) |
boolean |
offer(Message<?> message,
long timeout,
java.util.concurrent.TimeUnit unit) |
Message<?> |
peek() |
Message<?> |
poll() |
Message<?> |
poll(long timeout,
java.util.concurrent.TimeUnit unit) |
void |
put(Message<?> message) |
int |
remainingCapacity() |
int |
size() |
Message<?> |
take() |
contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toStringpublic MessageGroupQueue(MessageGroupStore messageGroupStore, java.lang.Object groupId)
public MessageGroupQueue(MessageGroupStore messageGroupStore, java.lang.Object groupId, int capacity)
public MessageGroupQueue(MessageGroupStore messageGroupStore, java.lang.Object groupId, java.util.concurrent.locks.Lock storeLock)
public MessageGroupQueue(MessageGroupStore messageGroupStore, java.lang.Object groupId, int capacity, java.util.concurrent.locks.Lock storeLock)
public java.util.Iterator<Message<?>> iterator()
public int size()
public Message<?> poll(long timeout, java.util.concurrent.TimeUnit unit) throws java.lang.InterruptedException
poll in interface java.util.concurrent.BlockingQueue<Message<?>>java.lang.InterruptedExceptionpublic int drainTo(java.util.Collection<? super Message<?>> c)
drainTo in interface java.util.concurrent.BlockingQueue<Message<?>>public int drainTo(java.util.Collection<? super Message<?>> collection, int maxElements)
drainTo in interface java.util.concurrent.BlockingQueue<Message<?>>public boolean offer(Message<?> message)
public boolean offer(Message<?> message, long timeout, java.util.concurrent.TimeUnit unit) throws java.lang.InterruptedException
offer in interface java.util.concurrent.BlockingQueue<Message<?>>java.lang.InterruptedExceptionpublic void put(Message<?> message) throws java.lang.InterruptedException
put in interface java.util.concurrent.BlockingQueue<Message<?>>java.lang.InterruptedExceptionpublic int remainingCapacity()
remainingCapacity in interface java.util.concurrent.BlockingQueue<Message<?>>