com.breeze.save

Class SaveProcessor

java.lang.Object

com.breeze.save.SaveProcessor

Direct Known Subclasses:

HibernateSaveProcessor

public abstract class SaveProcessor
extends java.lang.Object

This is the base class that supports all save opertions within breeze. The is an abstract class that may be extended by each persistence library.

Author:

IdeaBlade

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SaveProcessor.SaveState Describes the current stage of processing for the entities within a SaveWorkState.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SaveProcessor(Metadata metadata)

Method Summary

Methods

Modifier and Type	Method and Description
abstract java.lang.Object	getIdentifier(java.lang.Object entity) Used to return the id for an entity.
Metadata	getMetadata()
protected SaveProcessor.SaveState	getSaveState()
abstract void	processRelationships(EntityInfo entityInfo, boolean removeMode) Called for each entity to attach of detach it from any related entities.
SaveResult	saveChanges(SaveWorkState saveWorkState) Persist the changes to the entities in the SaveWorkState that is passed in.
protected abstract void	saveChangesCore(SaveWorkState saveWorkState) Core method to save the changes to the database.
protected void	setSaveState(SaveProcessor.SaveState saveState)

Methods inherited from class java.lang.Object

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

Constructor Detail

SaveProcessor

protected SaveProcessor(Metadata metadata)

Method Detail

saveChanges

public SaveResult saveChanges(SaveWorkState saveWorkState)

Persist the changes to the entities in the SaveWorkState that is passed in. This method calls the saveChangesCore method that will be implemented for each persistence library. This method both persists the entities and creates the collection of KeyMappings,

Parameters:

saveWorkState - A saveWorkState that consists of the entities to be saved and any interceptors that should be called during the save process.

Returns:

A SaveResult consisting of the saved entities and any related KeyMappings.

getMetadata

public Metadata getMetadata()

Returns:

The Metadata associated with this SaveWorkState.

getSaveState

protected SaveProcessor.SaveState getSaveState()

Returns:

The current SaveState ( state of processing).

setSaveState

protected void setSaveState(SaveProcessor.SaveState saveState)

Parameters:

saveState - SaveState to set.

saveChangesCore

protected abstract void saveChangesCore(SaveWorkState saveWorkState)

Core method to save the changes to the database.

processRelationships

public abstract void processRelationships(EntityInfo entityInfo,
                        boolean removeMode)

Called for each entity to attach of detach it from any related entities.

Parameters:

entityInfo - The EntityInfo to attach or detach.

removeMode - Whether to detach.

getIdentifier

public abstract java.lang.Object getIdentifier(java.lang.Object entity)

Used to return the id for an entity. This logic is often dependent on the persistence library is use.

Parameters:

entity - The entity to return an identifier for.

Returns:

The id of the specified entity.