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.system.threads;
17:
18: import java.util.concurrent.TimeUnit;
19:
20: /**
21: * Management interface for thread pools
22: *
23: * @version $Rev: 543715 $ $Date: 2007-06-02 01:10:16 -0700 (Sat, 02 Jun 2007) $
24: */
25: public interface ThreadPool {
26:
27: int getPoolSize();
28:
29: /**
30: * Gets the maximum number of threads allowed for this thread pool
31: */
32: int getMaximumPoolSize();
33:
34: int getActiveCount();
35:
36: boolean awaitTermination(long timeout, TimeUnit unit)
37: throws InterruptedException;
38:
39: /**
40: * Executes work on behalf of a named client. This helps the thread pool
41: * track who's using its threads.
42: * @param consumerName A name identifying the caller, to be used in
43: * the management statistics for this pool, etc.
44: * @param runnable The work to be done by a thread in the pool
45: */
46: void execute(String consumerName, Runnable runnable)
47: throws InterruptedException;
48: }
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