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.geronimo.management.geronimo.stats; 018 019 import javax.management.j2ee.statistics.BoundedRangeStatistic; 020 import javax.management.j2ee.statistics.CountStatistic; 021 import javax.management.j2ee.statistics.Stats; 022 023 /** 024 * Statistics expected for a Thread Pool implementation 025 * 026 * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $ 027 */ 028 public interface ThreadPoolStats extends Stats { 029 /** 030 * Gets the min and max pool size, as well as the most, least, and current 031 * number of threads in use. 032 */ 033 public BoundedRangeStatistic getThreadsInUse(); 034 035 /** 036 * Gets a list of the known consumers of threads from this pool. This may 037 * not be all consumers, because they won't necessarily identify themselves, 038 * but it's a start when tracking down what's using threads in a pool. 039 */ 040 public String[] getThreadConsumers(); 041 042 /** 043 * For each consumer listed by getThreadConsumers(), this can be used to 044 * find out how many threads that consumer is consuming at the time these 045 * statistics were generated. 046 * 047 * @param consumer The consumer you're inquiring about 048 */ 049 public CountStatistic getCountForConsumer(String consumer); 050 }