001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.spi;
018    
019    /**
020     * Represents a service registry which may be implemented via a Spring ApplicationContext,
021     * via JNDI, a simple Map or the OSGI Service Registry
022     *
023     * @version $Revision: 303 $
024     */
025    public interface Registry {
026    
027        /**
028         * Looks up a service in the registry, returning the service or null if it could not be found.
029         *
030         * @param name the name of the service
031         * @param type the type of the required service
032         * @return the service from the registry or null if it could not be found
033         */
034        <T> T lookup(String name, Class<T> type);
035    
036        /**
037         * Looks up a service in the registry based purely on name,
038         * returning the service or null if it could not be found.
039         *
040         * @param name the name of the service
041         * @return the service from the registry or null if it could not be found
042         */
043        Object lookup(String name);
044    }