001    /**
002     * Copyright (c) 2010 Yahoo! Inc. All rights reserved.
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. See accompanying LICENSE file.
014     */
015    package org.apache.oozie.util;
016    
017    /**
018     * Managed entities (like services) that implement this interface are injected with the system {@link Instrumentation}
019     * object.
020     */
021    public interface Instrumentable {
022    
023        /**
024         * Set the system instrumentation.
025         *
026         * @param instr system instrumentation.
027         */
028        public void instrument(Instrumentation instr);
029    
030    }