1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.river.discovery; 20 21 /** 22 * Interface implemented by all discovery format provider classes, which is 23 * used by the {@link Discovery} class to identify format providers available 24 * via resource, as described in the documentation for the 25 * {@link Discovery#getProtocol2(ClassLoader)} method. Format provider classes 26 * should not implement this interface directly, but should instead implement 27 * at least one of the format provider sub-interfaces extending this 28 * interface--{@link MulticastRequestEncoder}, {@link MulticastRequestDecoder}, 29 * {@link MulticastAnnouncementEncoder}, {@link MulticastAnnouncementDecoder}, 30 * {@link UnicastDiscoveryClient} and {@link UnicastDiscoveryServer}--which 31 * declare methods for the various provider operations, such as encoding or 32 * decoding discovery data. 33 * 34 * @author Sun Microsystems, Inc. 35 * @since 2.0 36 */ 37 public interface DiscoveryFormatProvider { 38 39 /** 40 * Returns the name of the format implemented by this provider. 41 * 42 * @return the name of the format implemented by this provider 43 */ 44 String getFormatName(); 45 }