MessagePasser

java.lang.Object
- org.apfloat.internal.MessagePasser<K,V>

Type Parameters:

K - The receiver type for this message passer.

V - The message type for this message passer.
```
public class MessagePasser<K,V>
extends java.lang.Object
```
Message passing helper class for parallel codes. The message passer can hold one message for each receiver. This class is safe for concurrent use from multiple threads.

Since:

1.6

Version:

1.14.0

Field Summary

Fields
Modifier and Type Field Description

private java.util.Map<K,V> messages

Constructor Summary

Constructors
Constructor Description

MessagePasser()
Default constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`V`	`getMessage(K receiver)`	Get a message if one is available.
`V`	`receiveMessage(K receiver)`	Receive a message.
`void`	`sendMessage(K receiver, V message)`	Send a message.

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

- Field Detail
  - messages
```
private java.util.Map<K,V> messages
```
- Constructor Detail
  - MessagePasser
```
public MessagePasser()
```
    Default constructor.
- Method Detail
  - sendMessage
```
public void sendMessage(K receiver,
                        V message)
```
    Send a message.
    
    Parameters:
    
    receiver - The receiver.
    
    message - The message. Must not be null.
  - getMessage
```
public V getMessage(K receiver)
```
    Get a message if one is available. This method will not block.
    
    Parameters:
    
    receiver - The receiver.
    
    Returns:
    
    The message, or null if none is available.
  - receiveMessage
```
public V receiveMessage(K receiver)
                 throws ApfloatRuntimeException
```
    Receive a message. This method will block until a message is available.
    
    Parameters:
    
    receiver - The receiver.
    
    Returns:
    
    The message.
    
    Throws:
    
    ApfloatRuntimeException