01: /*
02: * $Id: ClearCacheLine.java,v 1.1 2003/08/17 06:06:11 ajzeneski Exp $
03: *
04: * Copyright (c) 2001, 2002 The Open For Business Project - www.ofbiz.org
05: *
06: * Permission is hereby granted, free of charge, to any person obtaining a
07: * copy of this software and associated documentation files (the "Software"),
08: * to deal in the Software without restriction, including without limitation
09: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10: * and/or sell copies of the Software, and to permit persons to whom the
11: * Software is furnished to do so, subject to the following conditions:
12: *
13: * The above copyright notice and this permission notice shall be included
14: * in all copies or substantial portions of the Software.
15: *
16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17: * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19: * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20: * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
21: * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
22: * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23: */
24: package org.ofbiz.minilang.method.entityops;
25:
26: import java.util.*;
27:
28: import org.w3c.dom.*;
29: import org.ofbiz.base.util.*;
30: import org.ofbiz.minilang.*;
31: import org.ofbiz.minilang.method.*;
32:
33: /**
34: * Uses the delegator to clear elements from the cache; intelligently looks at
35: * the map passed to see if it is a byPrimaryKey, and byAnd, or an all.
36: *
37: * @author <a href="mailto:jonesde@ofbiz.org">David E. Jones</a>
38: * @version $Revision: 1.1 $
39: * @since 2.0
40: */
41: public class ClearCacheLine extends MethodOperation {
42:
43: public static final String module = ClearCacheLine.class.getName();
44:
45: String entityName;
46: ContextAccessor mapAcsr;
47:
48: public ClearCacheLine(Element element, SimpleMethod simpleMethod) {
49: super (element, simpleMethod);
50: entityName = element.getAttribute("entity-name");
51: mapAcsr = new ContextAccessor(element.getAttribute("map-name"));
52: }
53:
54: public boolean exec(MethodContext methodContext) {
55: String entityName = methodContext.expandString(this .entityName);
56:
57: if (mapAcsr.isEmpty()) {
58: methodContext.getDelegator().clearCacheLine(entityName,
59: null);
60: } else {
61: Map theMap = (Map) mapAcsr.get(methodContext);
62: if (theMap == null) {
63: Debug.logWarning(
64: "In clear-cache-line could not find map with name "
65: + mapAcsr
66: + ", not clearing any cache lines",
67: module);
68: } else {
69: methodContext.getDelegator().clearCacheLine(entityName,
70: theMap);
71: }
72: }
73: return true;
74: }
75: }
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