EntityChangeSubscriber.java

/*
 * Copyright 2013 MovingBlocks
 *
 * 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.terasology.entitySystem.entity.internal;

import org.terasology.entitySystem.Component;
import org.terasology.entitySystem.entity.EntityRef;

import java.util.Collection;

/**
 * Primarily for internal use, is informed of all component lifecycle events for all components.
 *
 */
public interface EntityChangeSubscriber {

    void onEntityComponentAdded(EntityRef entity, Class<? extends Component> component);

    void onEntityComponentChange(EntityRef entity, Class<? extends Component> component);

    void onEntityComponentRemoved(EntityRef entity, Class<? extends Component> component);

    void onReactivation(EntityRef entity, Collection<Component> components);

    void onBeforeDeactivation(EntityRef entity, Collection<Component> components);


}