org.rvpf.pap.cip.transport

Class ReadTransaction

Object

ReadTransaction

All Implemented Interfaces:

PAPTransaction

public final class ReadTransaction
extends Object

Read transaction.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ReadTransaction.Request Request.
class	ReadTransaction.Response Response.

Constructor Summary

Constructors

Constructor and Description
ReadTransaction(CIPServerProxy serverProxy) Constructs an instance.

Method Summary

Modifier and Type	Method and Description
ReadTransaction.Request	addRequest(Point point) Adds a request.
ReadTransaction.Response[]	commit() Commits
void	rollback() Rolls back.

Methods inherited from class Object

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

Constructor Detail

ReadTransaction

public ReadTransaction(@Nonnull
                       CIPServerProxy serverProxy)

Constructs an instance.

Parameters:

serverProxy - The server proxy.

Method Detail

addRequest

@Nonnull
 @CheckReturnValue
public ReadTransaction.Request addRequest(@Nonnull
                                                                        Point point)

Adds a request.

Parameters:

point - A point.

Returns:

The new request.

commit

@Nonnull
 @CheckReturnValue
public ReadTransaction.Response[] commit()
                                                                throws ServiceNotAvailableException

Commits

Returns:

The responses.

Throws:

ServiceNotAvailableException - On connection failure.

rollback

public void rollback()

Rolls back.