    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    }