org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest Class Reference

Inheritance diagram for org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest:

[legend]List of all members.

Public Member Functions
	DistributedRequest (AbstractRequest request)
final AbstractRequest	getRequest ()
abstract void	scheduleRequest (DistributedRequestManager drm) throws SQLException
abstract Object	executeScheduledRequest (DistributedRequestManager drm) throws SQLException
Protected Attributes
AbstractRequest	request

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Detailed Description

DistributedRequest is an abstract class that defines the interface for distributed execution of a request (horizontal scalability).

Author:

Emmanuel Cecchet

Version:

1.0

Definition at line 40 of file DistributedRequest.java.

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Constructor & Destructor Documentation

org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest.DistributedRequest (  AbstractRequest  request  )

Builds a new DistributedRequest object. Parameters: request  request to execute Definition at line 49 of file DistributedRequest.java. { this.request = request; }

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Member Function Documentation

abstract Object org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest.executeScheduledRequest (  DistributedRequestManager  drm  )  throws SQLException [pure virtual]

Code to be executed by the distributed request manager receiving the request. Parameters: drm  a distributed request manager Returns: an Object to be sent back to the caller Exceptions: SQLException  if an error occurs. Implemented in org.objectweb.cjdbc.controller.virtualdatabase.protocol.CacheInvalidate, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecReadRequest, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecReadStoredProcedure, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecWriteRequest, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecWriteRequestWithKeys, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecWriteStoredProcedure, and org.objectweb.cjdbc.controller.virtualdatabase.protocol.NotifyCompletion.

final AbstractRequest org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest.getRequest (   )

Returns the request value. Returns: Returns the request. Definition at line 59 of file DistributedRequest.java. { return request; }

abstract void org.objectweb.cjdbc.controller.virtualdatabase.protocol.DistributedRequest.scheduleRequest (  DistributedRequestManager  drm  )  throws SQLException [pure virtual]

Schedule the request. This method blocks until the request is scheduled. Parameters: drm  a distributed request manager Exceptions: SQLException  if an error occurs. Implemented in org.objectweb.cjdbc.controller.virtualdatabase.protocol.CacheInvalidate, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecReadRequest, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecReadStoredProcedure, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecWriteRequest, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecWriteRequestWithKeys, org.objectweb.cjdbc.controller.virtualdatabase.protocol.ExecWriteStoredProcedure, and org.objectweb.cjdbc.controller.virtualdatabase.protocol.NotifyCompletion.

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The documentation for this class was generated from the following file:

• DistributedRequest.java

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