001    // Copyright 2007 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.
014    
015    package org.apache.hivemind.annotations;
016    
017    import org.apache.hivemind.service.Autowiring;
018    
019    /**
020     * Specialized interface for the {@link org.apache.hivemind.Registry} access from annotated modules.
021     * Implements typed access to services and configurations by use of Generics. 
022     * 
023     * @author Achim Huegen
024     */
025    public interface TypedRegistry 
026    {
027        /**
028         * Returns a service from the registry.
029         * 
030         * @see org.apache.hivemind.Registry#getService(String, Class)
031         */
032        public <T> T getService(String serviceId, Class<T> serviceInterface);
033    
034        /**
035         * Finds a service that implements the provided interface. 
036         * Exactly one such service may exist or an exception is thrown.
037         * 
038         * @see org.apache.hivemind.Registry#getService(Class)
039         */
040        public <T> T getService(Class<T> serviceInterface);
041        
042        /**
043         * Returns the specified configuration from the registry.
044         * 
045         * @see org.apache.hivemind.Registry#getConfiguration(String)
046         */
047        public <T> T getConfiguration(String configurationId, Class<T> configurationType);
048        
049        /**
050         * Finds a configuration by its type. 
051         * Exactly one such configuration may exist or an exception is thrown.
052         * 
053         * @see org.apache.hivemind.Registry#getConfiguration(String)
054         */
055        public <T> T getConfiguration(Class<T> configurationType);
056        
057    
058        /**
059         * Returns a reference to the {@link Autowiring} service.
060         */
061        public Autowiring getAutowiring();
062        
063        /**
064         * @see org.apache.hivemind.Registry#shutdown()
065         */
066        public void shutdown();
067    }