/*
* Copyright (c) 2008, 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.runtime.entity;
import org.qi4j.api.composite.CompositeInstance;
import org.qi4j.api.entity.Lifecycle;
import org.qi4j.api.property.StateHolder;
import org.qi4j.bootstrap.BindingException;
import org.qi4j.runtime.composite.MixinsModel;
import org.qi4j.runtime.composite.MixinModel;
import org.qi4j.runtime.composite.UsesInstance;
import org.qi4j.runtime.injection.InjectionContext;
import org.qi4j.runtime.model.Resolution;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
/**
* JAVADOC
*/
public final class EntityMixinsModel
extends MixinsModel
{
List<Integer> lifecycleMixins;
@Override
public void bind( Resolution resolution )
throws BindingException
{
super.bind( resolution );
// Find what mixins implement Lifecycle
for( int i = 0; i < mixinModels.size(); i++ )
{
MixinModel mixinModel = mixinModels.get( i );
if( Lifecycle.class.isAssignableFrom( mixinModel.mixinClass() ) )
{
if( lifecycleMixins == null )
{
lifecycleMixins = new ArrayList<Integer>();
}
lifecycleMixins.add( i );
}
}
}
public Object newMixin( EntityInstance entityInstance, StateHolder state, Object[] mixins, Method method )
{
MixinModel model = methodImplementation.get( method );
InjectionContext injectionContext = new InjectionContext( entityInstance, UsesInstance.EMPTY_USES, state );
Object mixin = model.newInstance( injectionContext );
mixins[ methodIndex.get( method ) ] = mixin;
return mixin;
}
public void invokeLifecycle( boolean create, Object[] mixins, CompositeInstance instance, StateHolder state )
{
if( lifecycleMixins != null )
{
InjectionContext injectionContext = new InjectionContext( instance, UsesInstance.EMPTY_USES, state );
for( Integer lifecycleMixin : lifecycleMixins )
{
Lifecycle lifecycle = (Lifecycle) mixins[ lifecycleMixin ];
if( lifecycle == null )
{
lifecycle = (Lifecycle) mixinModels.get( lifecycleMixin ).newInstance( injectionContext );
}
if( create )
{
lifecycle.create();
}
else
{
lifecycle.remove();
}
}
}
}
}