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: */
17: package org.apache.cocoon.webservices.memory;
18:
19: /**
20: * Class which provides JVM memory related SOAP services.
21: *
22: * @author <a href="mailto:crafterm@apache.org">Marcus Crafter</a>
23: * @version CVS $Id: Memory.java 433543 2006-08-22 06:22:54Z crossley $
24: */
25: public class Memory {
26:
27: // static reference to the runtime object.
28: private static final Runtime runtime = Runtime.getRuntime();
29:
30: /**
31: * <code>getFreeMemory</code> returns the amount of free memory
32: * in the system.
33: *
34: * @return the amount of free memory in the system
35: */
36: public static long getFreeMemory() {
37: return runtime.freeMemory();
38: }
39:
40: /**
41: * <code>getTotalMemory</code> returns the total amount of memory
42: * in the JVM.
43: *
44: * @return the total amount of memory in the JVM
45: */
46: public static long getTotalMemory() {
47: return runtime.totalMemory();
48: }
49:
50: /**
51: * <code>invokeGC</code> calls upon the JVM Garbage Collector to
52: * recycle unused objects.
53: */
54: public static void invokeGC() {
55: runtime.gc();
56: }
57: }
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