oracle.jdeveloper.engine

Class BaseEngine

java.lang.Object

oracle.jdeveloper.engine.BaseEngine

All Implemented Interfaces:

Dirtyable, Applyable

Direct Known Subclasses:

ClassEngine

public abstract class BaseEngine
extends java.lang.Object
implements Dirtyable, Applyable

An BaseEngine provides a top-level client interface onto an EJB Entity bean. The BaseEngine has methods for describing all the pieces of the EJB, validating and fixing inconsistencies within the EJB, and modifying the EJB to add, remove, and update properties, ensuring that changes are propagated consistently across all of the EJB's files. The BaseEngine is designed to support all EJB design tools within JDeveloper.

Constructor Summary

Constructors

Constructor and Description
BaseEngine()

Method Summary

Modifier and Type	Method and Description
void	apply() Commit all pending changes for the context object
protected abstract void	doApply()
protected abstract void	doRevert()
boolean	isDirty() True if the data in the object has been modified.
void	markDirty(boolean dirty) Marks the data with the specified dirty state.
void	revert() Rollback all pending changes on the context object

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseEngine

public BaseEngine()

Method Detail

isDirty

public boolean isDirty()

Description copied from interface: Dirtyable

True if the data in the object has been modified.

Specified by:

isDirty in interface Dirtyable

Returns:

true if the data in the object has been modified.

markDirty

public void markDirty(boolean dirty)

Description copied from interface: Dirtyable

Marks the data with the specified dirty state. This method is called markDirty(...) instead of setDirty(...) so that the JavaBeans Introspector will not mistakenly identify "dirty" as a JavaBean property.

Specified by:

markDirty in interface Dirtyable

Parameters:

dirty - If true, sets the object as being dirty; if false, sets the object as being up-to-date.

apply

public void apply()

Description copied from interface: Applyable

Commit all pending changes for the context object

Specified by:

apply in interface Applyable

revert

public void revert()

Description copied from interface: Applyable

Rollback all pending changes on the context object

Specified by:

revert in interface Applyable

doApply

protected abstract void doApply()

doRevert

protected abstract void doRevert()