01: /*******************************************************************************
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing,
13: * software distributed under the License is distributed on an
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15: * KIND, either express or implied. See the License for the
16: * specific language governing permissions and limitations
17: * under the License.
18: *******************************************************************************/package org.ofbiz.minilang.method.entityops;
19:
20: import java.util.*;
21:
22: import org.w3c.dom.*;
23: import org.ofbiz.base.util.*;
24: import org.ofbiz.minilang.*;
25: import org.ofbiz.minilang.method.*;
26:
27: /**
28: * Uses the delegator to clear elements from the cache; intelligently looks at
29: * the map passed to see if it is a byPrimaryKey, and byAnd, or an all.
30: */
31: public class ClearCacheLine extends MethodOperation {
32:
33: public static final String module = ClearCacheLine.class.getName();
34:
35: String entityName;
36: ContextAccessor mapAcsr;
37:
38: public ClearCacheLine(Element element, SimpleMethod simpleMethod) {
39: super (element, simpleMethod);
40: entityName = element.getAttribute("entity-name");
41: mapAcsr = new ContextAccessor(element.getAttribute("map-name"));
42: }
43:
44: public boolean exec(MethodContext methodContext) {
45: String entityName = methodContext.expandString(this .entityName);
46:
47: if (mapAcsr.isEmpty()) {
48: methodContext.getDelegator().clearCacheLine(entityName,
49: null);
50: } else {
51: Map theMap = (Map) mapAcsr.get(methodContext);
52: if (theMap == null) {
53: Debug.logWarning(
54: "In clear-cache-line could not find map with name "
55: + mapAcsr
56: + ", not clearing any cache lines",
57: module);
58: } else {
59: methodContext.getDelegator().clearCacheLine(entityName,
60: theMap);
61: }
62: }
63: return true;
64: }
65:
66: public String rawString() {
67: // TODO: something more than the empty tag
68: return "<clear-cache-line/>";
69: }
70:
71: public String expandedString(MethodContext methodContext) {
72: // TODO: something more than a stub/dummy
73: return this.rawString();
74: }
75: }
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