Package org.apfloat.internal

Class MessagePasser<K,V>

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 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

Author:

Mikko Tommila

Constructor Summary

Constructors

Constructor	Description
MessagePasser()	Default constructor.

Method Summary

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

Constructor Details

MessagePasser

public MessagePasser()

Default constructor.

Method Details

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