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 import org.apache.oozie.command.XCommand; 018 019 /** 020 * Instrument utilities. 021 */ 022 public class InstrumentUtils { 023 024 private static final String INSTRUMENTATION_JOB_GROUP = "jobs"; 025 026 /** 027 * Convenience method to increment counters. 028 * 029 * @param group the group name. 030 * @param name the counter name. 031 * @param count increment count. 032 * @param instrumentation the {@link Instrumentation} instance 033 */ 034 public static void incrCounter(String group, String name, int count, Instrumentation instrumentation) { 035 if (instrumentation != null) { 036 instrumentation.incr(group, name, count); 037 } 038 } 039 040 /** 041 * Used to increment command counters. 042 * 043 * @param name the name 044 * @param count the increment count 045 * @param instrumentation the {@link Instrumentation} instance 046 */ 047 public static void incrCommandCounter(String name, int count, Instrumentation instrumentation) { 048 incrCounter(XCommand.INSTRUMENTATION_GROUP, name, count, instrumentation); 049 } 050 051 /** 052 * Used to increment job counters. The counter name s the same as the command name. 053 * 054 * @param name the name 055 * @param count the increment count 056 * @param instrumentation the {@link Instrumentation} instance 057 */ 058 public static void incrJobCounter(String name, int count, Instrumentation instrumentation) { 059 incrCounter(INSTRUMENTATION_JOB_GROUP, name, count, instrumentation); 060 } 061 }