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.commons.vfs;
18:
19: /**
20: * An enumerated type to deal with the various cache strategies.
21: *
22: * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a>
23: * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
24: */
25: public final class CacheStrategy {
26: /**
27: * Deal with cached data manually. Call {@link FileObject#refresh()} to refresh the object data.
28: */
29: public static final CacheStrategy MANUAL = new CacheStrategy(
30: "manual");
31:
32: /**
33: * Refresh the data every time you request a file from {@link FileSystemManager#resolveFile}
34: */
35: public static final CacheStrategy ON_RESOLVE = new CacheStrategy(
36: "onresolve");
37:
38: /**
39: * Refresh the data every time you call a method on the fileObject.
40: * You'll use this only if you really need the latest info as this setting is a major performance loss.
41: */
42: public static final CacheStrategy ON_CALL = new CacheStrategy(
43: "oncall");
44:
45: private final String name;
46:
47: private CacheStrategy(final String name) {
48: this .name = name;
49: }
50:
51: /**
52: * Returns the name of the scope.
53: */
54: public String toString() {
55: return name;
56: }
57:
58: /**
59: * Returns the name of the scope.
60: */
61: public String getName() {
62: return name;
63: }
64: }
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