/*
* Copyright (c) 2009, Rickard Öberg. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.qi4j.spi.entitystore;
import org.qi4j.api.entity.EntityDescriptor;
import org.qi4j.api.entity.EntityReference;
import org.qi4j.api.structure.Module;
import org.qi4j.api.usecase.Usecase;
import org.qi4j.spi.entity.EntityState;
import java.util.LinkedList;
/**
* JAVADOC
*/
public final class DefaultEntityStoreUnitOfWork
implements EntityStoreUnitOfWork
{
private EntityStoreSPI entityStoreSPI;
private String identity;
private Module module;
private LinkedList<EntityState> states = new LinkedList<EntityState>();
private Usecase usecase;
private long currentTime;
public DefaultEntityStoreUnitOfWork( EntityStoreSPI entityStoreSPI,
String identity,
Module module,
Usecase usecase,
long currentTime )
{
this.entityStoreSPI = entityStoreSPI;
this.identity = identity;
this.module = module;
this.usecase = usecase;
this.currentTime = currentTime;
}
public String identity()
{
return identity;
}
public Module module()
{
return module;
}
public long currentTime()
{
return currentTime;
}
public Usecase usecase()
{
return usecase;
}
// EntityStore
public EntityState newEntityState( EntityReference anIdentity, EntityDescriptor descriptor )
throws EntityStoreException
{
EntityState state = entityStoreSPI.newEntityState( this, anIdentity, descriptor );
states.add( state );
return state;
}
public EntityState getEntityState( EntityReference anIdentity )
throws EntityStoreException, EntityNotFoundException
{
EntityState entityState = entityStoreSPI.getEntityState( this, anIdentity );
states.add( entityState );
return entityState;
}
public StateCommitter applyChanges()
throws EntityStoreException
{
return entityStoreSPI.applyChanges( this, states );
}
public void discard()
{
}
}