edu.umass.cs.nio

Class GenericMessagingTask<NodeIDType,MessageType>

java.lang.Object

edu.umass.cs.nio.GenericMessagingTask<NodeIDType,MessageType>

Type Parameters:

NodeIDType -

MessageType -

Direct Known Subclasses:

MessagingTask

public class GenericMessagingTask<NodeIDType,MessageType>
extends java.lang.Object

Author:

V. Arun

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.Object[]	msgs The list of messages.
java.lang.Object[]	recipients The list of recipients.

Constructor Summary

Constructors

Constructor and Description
GenericMessagingTask() Null recipients and messages.
GenericMessagingTask(NodeIDType destID, MessageType pkt) Unicast
GenericMessagingTask(NodeIDType destID, java.lang.Object[] pkts) Unicast multiple packets
GenericMessagingTask(java.lang.Object[] destIDs, MessageType pkt) Multicast
GenericMessagingTask(java.lang.Object[] destIDs, java.lang.Object[] pkts) Multicast multiple packets.

Method Summary

Modifier and Type	Method and Description
boolean	isEmpty()
static boolean	isEmpty(GenericMessagingTask<?,?>[] mtasks)
GenericMessagingTask<NodeIDType,?>[]	toArray()
static GenericMessagingTask<?,?>[]	toArray(GenericMessagingTask<?,?> mtask1, GenericMessagingTask<?,?> mtask2) Converts the two parameters into an array of size two.
java.lang.String	toString() For pretty printing

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

recipients

public final java.lang.Object[] recipients

The list of recipients. Every recipient will be sent all messages.

msgs

public final java.lang.Object[] msgs

The list of messages. Every recipient will be sent all messages.

Constructor Detail

GenericMessagingTask

public GenericMessagingTask()

Null recipients and messages.

GenericMessagingTask

public GenericMessagingTask(NodeIDType destID,
                            MessageType pkt)

Unicast

Parameters:

destID -

pkt -

GenericMessagingTask

public GenericMessagingTask(java.lang.Object[] destIDs,
                            MessageType pkt)

Multicast

Parameters:

destIDs -

pkt -

GenericMessagingTask

public GenericMessagingTask(NodeIDType destID,
                            java.lang.Object[] pkts)

Unicast multiple packets

Parameters:

destID -

pkts -

GenericMessagingTask

public GenericMessagingTask(java.lang.Object[] destIDs,
                            java.lang.Object[] pkts)

Multicast multiple packets. This is a special type of constructor compared to the others above. This is the only constructor that allows InterfaceMessagingTask to be instantiated with no messages. We need this as it is convenient to create an empty InterfaceMessagingTask sometimes.

Parameters:

destIDs -

pkts -

Method Detail

isEmpty

public boolean isEmpty()

Returns:

Returns true if either recipients or messages are null or empty.

toArray

public static GenericMessagingTask<?,?>[] toArray(GenericMessagingTask<?,?> mtask1,
                                                  GenericMessagingTask<?,?> mtask2)

Converts the two parameters into an array of size two.

Parameters:

mtask1 -

mtask2 -

Returns:

Returns an array of size two containing mtask1 and mtask2.

toArray

public GenericMessagingTask<NodeIDType,?>[] toArray()

Returns:

Returns a single-element array containing this.

isEmpty

public static boolean isEmpty(GenericMessagingTask<?,?>[] mtasks)

Parameters:

mtasks -

Returns:

Returns true if all mtasks are empty or null.

toString

public java.lang.String toString()

For pretty printing

Overrides:

toString in class java.lang.Object