Package mpi

Class Prequest

java.lang.Object

mpi.Request

mpi.Prequest

All Implemented Interfaces:

Freeable

public final class Prequest
extends Request

Persistent request object.

Field Summary

Fields inherited from class mpi.Request

handle, recvBuf, sendBuf

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Prequest(long handle)	Constructor used by sendInit, etc.

Method Summary

Modifier and Type	Method	Description
void	start()	Activate a persistent communication request.
static void	startAll(Prequest[] requests)	Activate a list of communication requests.

Methods inherited from class mpi.Request

addRecvBufRef, addSendBufRef, cancel, free, getHandles, getNull, getStatus, isNull, setHandles, test, testAll, testAllStatus, testAny, testAnyStatus, testSome, testSomeStatus, testStatus, waitAll, waitAllStatus, waitAny, waitAnyStatus, waitFor, waitSome, waitSomeStatus, waitStatus

Methods inherited from class java.lang.Object

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

Constructor Detail

Prequest

protected Prequest(long handle)

Constructor used by sendInit, etc.

Parameters:

handle - Handle for the Prequest object

Method Detail

start

public void start()
           throws MPIException

Activate a persistent communication request.

Java binding of the MPI operation MPI_START. The communication is completed by using the request in one of the wait or test operations. On successful completion the request becomes inactive again. It can be reactivated by a further call to Start.

Throws:

MPIException - Signals that an MPI exception of some sort has occurred.

startAll

public static void startAll(Prequest[] requests)
                     throws MPIException

Activate a list of communication requests.

Java binding of the MPI operation MPI_STARTALL.

Parameters:

requests - array of requests

Throws:

MPIException - Signals that an MPI exception of some sort has occurred.