001// Copyright 2014 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007// http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014package org.apache.tapestry5.ioc.services;
015
016import java.util.Collection;
017import java.util.List;
018import java.util.Map;
019
020import org.apache.tapestry5.ioc.def.ServiceDef;
021
022/**
023 * Interface that defines listeners to services getting their distributed configuration.
024 */
025@SuppressWarnings("rawtypes")
026public interface ServiceConfigurationListener
027{
028    
029    /**
030     * Receives a notification of an ordered configuraton being passed to a service.
031     * @param serviceDef a {@link ServiceDef} identifying the service receiving the configuration.
032     * @param configuration a {@link List} containing the configuration itself.
033     */
034    void onOrderedConfiguration(ServiceDef serviceDef, List configuration);
035
036    /**
037     * Receives a notification of an unordered configuraton being passed to a service.
038     * @param serviceDef a {@link ServiceDef} identifying the service receiving the configuration.
039     * @param configuration a {@link Collection} containing the configuration itself.
040     */
041    void onUnorderedConfiguration(ServiceDef serviceDef, Collection configuration);
042
043    /**
044     * Receives a notification of a mapped configuraton being passed to a service.
045     * @param serviceDef a {@link ServiceDef} identifying the service receiving the configuration.
046     * @param configuration a {@link Map} containing the configuration itself.
047     */
048    void onMappedConfiguration(ServiceDef serviceDef, Map configuration);
049
050}