org.apache.felix.servicebinder/src/main/java/org/apache/felix/servicebinder/architecture/ArchitectureService.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;

/**
 *
 * A service to provide an architectural vision of the instances created by the
 * service binder
 *
 * @author <a href="mailto:felix-dev@incubator.apache.org">Felix Project Team</a>
 */
public interface ArchitectureService
{
    /**
     * Get a list of all the available instance references
     *
     * @return a List containing all of the instance references
    **/
    public Instance [] getInstances();

    /**
     * Add a service binder listener
     *
     * @param listener a ServiceBinderListener to add to the Architecture service
    **/
    public void addServiceBinderListener(ServiceBinderListener listener);

    /**
     * Remove a service binder listener
     *
     * @param listener the listener to be removed
    **/
    public void removeServiceBinderListener(ServiceBinderListener listener);
}