01: /*
02: * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0-beta1/module-nio/src/test/java/org/apache/http/mockup/RequestCount.java $
03: * $Revision: 575207 $
04: * $Date: 2007-09-13 09:57:05 +0200 (Thu, 13 Sep 2007) $
05: *
06: * ====================================================================
07: * Licensed to the Apache Software Foundation (ASF) under one
08: * or more contributor license agreements. See the NOTICE file
09: * distributed with this work for additional information
10: * regarding copyright ownership. The ASF licenses this file
11: * to you under the Apache License, Version 2.0 (the
12: * "License"); you may not use this file except in compliance
13: * with the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing,
18: * software distributed under the License is distributed on an
19: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20: * KIND, either express or implied. See the License for the
21: * specific language governing permissions and limitations
22: * under the License.
23: * ====================================================================
24: *
25: * This software consists of voluntary contributions made by many
26: * individuals on behalf of the Apache Software Foundation. For more
27: * information on the Apache Software Foundation, please see
28: * <http://www.apache.org/>.
29: *
30: */
31:
32: package org.apache.http.mockup;
33:
34: public class RequestCount {
35:
36: private volatile boolean aborted;
37: private volatile int value;
38:
39: public RequestCount(int initialValue) {
40: this .value = initialValue;
41: this .aborted = false;
42: }
43:
44: public int getValue() {
45: return this .value;
46: }
47:
48: public void decrement() {
49: synchronized (this ) {
50: if (!this .aborted) {
51: this .value--;
52: }
53: notifyAll();
54: }
55: }
56:
57: public void abort() {
58: synchronized (this ) {
59: this .aborted = true;
60: notifyAll();
61: }
62: }
63:
64: public boolean isAborted() {
65: return this .aborted;
66: }
67:
68: public void await(int count, long timeout)
69: throws InterruptedException {
70: synchronized (this ) {
71: long deadline = System.currentTimeMillis() + timeout;
72: long remaining = timeout;
73: while (!this .aborted && this .value > count) {
74: wait(remaining);
75: if (timeout > 0) {
76: remaining = deadline - System.currentTimeMillis();
77: if (remaining <= 0) {
78: break;
79: }
80: }
81: }
82: }
83: }
84:
85: public void await(long timeout) throws InterruptedException {
86: await(0, timeout);
87: }
88:
89: }
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