001 package org.apache.turbine.pipeline;
002
003 import java.util.Map;
004
005
006 /*
007 * Licensed to the Apache Software Foundation (ASF) under one
008 * or more contributor license agreements. See the NOTICE file
009 * distributed with this work for additional information
010 * regarding copyright ownership. The ASF licenses this file
011 * to you under the Apache License, Version 2.0 (the
012 * "License"); you may not use this file except in compliance
013 * with the License. You may obtain a copy of the License at
014 *
015 * http://www.apache.org/licenses/LICENSE-2.0
016 *
017 * Unless required by applicable law or agreed to in writing,
018 * software distributed under the License is distributed on an
019 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
020 * KIND, either express or implied. See the License for the
021 * specific language governing permissions and limitations
022 * under the License.
023 */
024
025
026 /**
027 * <p>A <b>PipelineData</b> is a holder for data being passed from one
028 * Valve to the next.
029 * The detailed contract for a Valve is included in the description of
030 * the <code>invoke()</code> method below.</p>
031 *
032 * <b>HISTORICAL NOTE</b>: The "PipelineData" name was assigned to this
033 * holder as it functions similarily to the RunData object, but without
034 * the additional methods
035 *
036 * @author <a href="mailto:epugh@opensourceconnections.com">Eric Pugh</a>
037 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
038 */
039 public interface PipelineData
040 {
041 public void put(Class<?> name, Map<?, ?> value);
042
043 public Map<?, ?> get(Class<?> name);
044
045 public Object get(Class<?> key, Object innerKey);
046 }