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    import org.apache.camel.Processor;
020    
021    /**
022     * Represents a <a href="http://camel.apache.org/binding.html">Binding</a> or contract
023     * which can be applied to an Endpoint; such as ensuring that a particular
024     * <a href="http://camel.apache.org/data-format.html">Data Format</a> is used on messages in and out of an endpoint.
025     */
026    public interface Binding {
027    
028        /**
029         * Returns a new {@link Processor} which is used by a producer on an endpoint to implement
030         * the producer side binding before the message is sent to the underlying endpoint.
031         */
032        Processor createProduceProcessor();
033    
034        /**
035         * Returns a new {@link Processor} which is used by a consumer on an endpoint to process the
036         * message with the binding before its passed to the endpoint consumer producer.
037         */
038        Processor createConsumeProcessor();
039    }