oracle.toplink.queryframework
Class EJBQLCall

java.lang.Object
  |
  +--oracle.toplink.queryframework.EJBQLCall

All Implemented Interfaces:

Call, java.lang.Cloneable, java.io.Serializable

public class EJBQLCall

extends java.lang.Object

implements java.io.Serializable, Call

Purpose: Used as an abstraction of a database invocation. A call is an EJBQL string.

See Also:

Serialized Form

Constructor Summary

EJBQLCall()
PUBLIC Create a new EJBQLCall.

EJBQLCall(java.lang.String ejbqlString)
PUBLIC Create a new EJBQLCall with an ejbqlString

Method Summary

Type	Method
DatabaseQuery	getQuery() Back reference to query, unfortunately required for events.
boolean	isFinished() Return whether all the results of the call have been returned.
boolean	isPrepared() Answer true if the EJBQL string has already been parsed, and the query prepared (populated)
oracle.toplink.internal.parsing.ejbql.EJBQLParser	parseEJBQLString() All the query mechanism related things are initialized here.
void	populateQuery(Session session) Populate the query using the information retrieved from parsing the EJBQL.

Methods inherited from class java.lang.Object

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

Constructor Detail

EJBQLCall

public EJBQLCall()

PUBLIC Create a new EJBQLCall.

EJBQLCall

public EJBQLCall(java.lang.String ejbqlString)

PUBLIC Create a new EJBQLCall with an ejbqlString

Method Detail

clone

public java.lang.Object clone()

Description copied from interface: Call

INTERNAL: Return a clone of the call.

Specified by:

clone in interface Call

getQuery

public DatabaseQuery getQuery()

Back reference to query, unfortunately required for events.

isPrepared

public boolean isPrepared()

Answer true if the EJBQL string has already been parsed, and the query prepared (populated)

isFinished

public boolean isFinished()

Return whether all the results of the call have been returned.

Specified by:

isFinished in interface Call

parseEJBQLString

public oracle.toplink.internal.parsing.ejbql.EJBQLParser parseEJBQLString()
                                                                   throws QueryException

All the query mechanism related things are initialized here. This method is called on the *clone* of the query with every execution.

populateQuery

public void populateQuery(Session session)

Populate the query using the information retrieved from parsing the EJBQL.