01: /*
02: * Copyright 1999-2004 The Apache Software Foundation
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.apache.commons.jxpath;
17:
18: /**
19: * A delegate of JXPathContext that implements the XPath <code>"key()"</code>
20: * function.
21: *
22: * @author Dmitri Plotnikov
23: * @version $Revision: 1.5 $ $Date: 2004/02/29 14:17:42 $
24: */
25: public interface KeyManager {
26:
27: /**
28: * Finds a node by a key value.
29: */
30: Pointer getPointerByKey(JXPathContext context, String keyName,
31: String keyValue);
32: }
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