MessageQueue (io.joynr.java.messaging:messaging-common 1.24.0 API)

java.lang.Object
- io.joynr.messaging.routing.MessageQueue

```
public class MessageQueue
extends Object
```
This class holds the queued messages which are to be processed in the MessageRouter.

Constructor Summary

Constructors
Constructor Description

MessageQueue(DelayQueue<DelayableImmutableMessage> delayableImmutableMessages)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DelayableImmutableMessage`	`poll(long timeout, TimeUnit unit)`	Polls the message queue for a period no longer than the timeout specified for a new message.
`void`	`put(DelayableImmutableMessage delayableImmutableMessage)`	Add the passed in message to the queue of messages to be processed.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MessageQueue
```
@Inject
public MessageQueue(DelayQueue<DelayableImmutableMessage> delayableImmutableMessages)
```
- Method Detail
  - put
```
public void put(DelayableImmutableMessage delayableImmutableMessage)
```
    Add the passed in message to the queue of messages to be processed.
    
    Parameters:
    
    delayableImmutableMessage - the message to add.
  - poll
```
public DelayableImmutableMessage poll(long timeout,
                                      TimeUnit unit)
                               throws InterruptedException
```
    Polls the message queue for a period no longer than the timeout specified for a new message.
    
    Parameters:
    
    timeout - the maximum time to wait for a message to become available.
    
    unit - the time unit of measurement for timeout
    
    Returns:
    
    a new message if one is available, or null if none became available within the specified time limit.
    
    Throws:
    
    InterruptedException - if the thread was interrupted while waiting for a message to become available.