org.apache.felix.servicebinder/src/main/java/org/apache/felix/servicebinder/architecture/DependencyChangeEvent.java

/*
 *   Copyright 2006 The Apache Software Foundation
 *
 *   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.apache.felix.servicebinder.architecture;

import org.apache.felix.servicebinder.DependencyMetadata;

/**
 * An event thrown when a dependency changes
 * 
 * @author <a href="mailto:felix-dev@incubator.apache.org">Felix Project Team</a>
 */
public class DependencyChangeEvent
{
    public static final int DEPENDENCY_CREATED = 0;
    public static final int DEPENDENCY_VALID = 1;
    public static final int DEPENDENCY_INVALID = 2;
    public static final int DEPENDENCY_DESTROYED = 3;

    /**
     * 
     * @uml.property name="m_dep"
     * @uml.associationEnd multiplicity="(0 1)"
     */
    private Dependency m_dep;

    /**
     * 
     * @uml.property name="m_meta"
     * @uml.associationEnd multiplicity="(0 1)"
     */
    private DependencyMetadata m_meta;

    private int m_state;

    public DependencyChangeEvent(Dependency dep, DependencyMetadata meta,int newState)
    {
        m_dep = dep;
        m_meta = meta;
        m_state = newState;
    }

    public Dependency getDependency()
    {
        return m_dep;
    }

    public DependencyMetadata getDependencyMetadata()
    {
        return m_meta;
    }

    public int getState()
    {
        return m_state;
    }
}