org.datanucleus.store.rdbms.request

Class Request

java.lang.Object

org.datanucleus.store.rdbms.request.Request

Direct Known Subclasses:

DeleteRequest, FetchRequest, InsertRequest, LocateRequest, UpdateRequest

public abstract class Request
extends Object

Base class representing a request to perform an action on the datastore. All requests have 2 methods - constructor and execute. They build an SQL statement, and execute it.

Field Summary

Fields

Modifier and Type	Field and Description
protected PrimaryKey	key
protected DatastoreClass	table

Constructor Summary

Constructors

Constructor and Description
Request(DatastoreClass table) Constructor, taking the table to use for the request.

Method Summary

Modifier and Type	Method and Description
abstract void	execute(org.datanucleus.state.ObjectProvider op) Method to execute the request - to be implemented by deriving classes.

Methods inherited from class java.lang.Object

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

Field Detail

table

protected DatastoreClass table

key

protected PrimaryKey key

Constructor Detail

Request

public Request(DatastoreClass table)

Constructor, taking the table to use for the request.

Parameters:

table - The Table to use for the request.

Method Detail

execute

public abstract void execute(org.datanucleus.state.ObjectProvider op)

Method to execute the request - to be implemented by deriving classes.

Parameters:

op - The ObjectProvider for the object in question.