org.objectweb.cjdbc.controller.virtualdatabase.protocol
Class ExecReadRequest

java.lang.Object
  org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest
      org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecReadRequest

All Implemented Interfaces:

java.io.Serializable

public class ExecReadRequest

extends DistributedRequest

Execute a read request.

Version:

1.0

Author:

Emmanuel Cecchet

See Also:

Serialized Form

Field Summary

private static long

serialVersionUID

Fields inherited from class org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest

request

Constructor Summary

ExecReadRequest(SelectRequest request)
Creates a new ExecReadRequest object.

Method Summary

java.lang.Object	executeScheduledRequest(DistributedRequestManager drm) Code to be executed by the distributed request manager receiving the request.
void	scheduleRequest(DistributedRequestManager drm) Schedule the request.

Methods inherited from class org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest

getRequest

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

ExecReadRequest

public ExecReadRequest(SelectRequest request)

Creates a new ExecReadRequest object.

Parameters:

request - select request to execute

Method Detail

scheduleRequest

public void scheduleRequest(DistributedRequestManager drm)
                     throws java.sql.SQLException

Description copied from class: DistributedRequest

Schedule the request. This method blocks until the request is scheduled.

Specified by:

scheduleRequest in class DistributedRequest

Parameters:

drm - a distributed request manager

Throws:

java.sql.SQLException - if an error occurs.

See Also:

DistributedRequest.scheduleRequest(org.objectweb.cjdbc.controller.requestmanager.distributed.DistributedRequestManager)

executeScheduledRequest

public java.lang.Object executeScheduledRequest(DistributedRequestManager drm)
                                         throws java.sql.SQLException

Description copied from class: DistributedRequest

Code to be executed by the distributed request manager receiving the request.

Specified by:

executeScheduledRequest in class DistributedRequest

Parameters:

drm - a distributed request manager

Returns:

an Object to be sent back to the caller

Throws:

java.sql.SQLException - if an error occurs.

See Also:

DistributedRequest.executeScheduledRequest(org.objectweb.cjdbc.controller.requestmanager.distributed.DistributedRequestManager)