01: /**
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */package org.apache.geronimo.management.geronimo.stats;
17:
18: import javax.management.j2ee.statistics.BoundedRangeStatistic;
19: import javax.management.j2ee.statistics.CountStatistic;
20: import javax.management.j2ee.statistics.Stats;
21:
22: /**
23: * Statistics expected for a Thread Pool implementation
24: *
25: * @version $Rev: 476049 $ $Date: 2006-11-16 20:35:17 -0800 (Thu, 16 Nov 2006) $
26: */
27: public interface ThreadPoolStats extends Stats {
28: /**
29: * Gets the min and max pool size, as well as the most, least, and current
30: * number of threads in use.
31: */
32: public BoundedRangeStatistic getThreadsInUse();
33:
34: /**
35: * Gets a list of the known consumers of threads from this pool. This may
36: * not be all consumers, because they won't necessarily identify themselves,
37: * but it's a start when tracking down what's using threads in a pool.
38: */
39: public String[] getThreadConsumers();
40:
41: /**
42: * For each consumer listed by getThreadConsumers(), this can be used to
43: * find out how many threads that consumer is consuming at the time these
44: * statistics were generated.
45: *
46: * @param consumer The consumer you're inquiring about
47: */
48: public CountStatistic getCountForConsumer(String consumer);
49: }
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