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Java > Open Source Codes > org > apache > hivemind > lib > NameLookup


1 // Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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15 package org.apache.hivemind.lib;
16
17 /**
18  * Service interface for performing name lookups. This is typically
19  * implemented as a wrapper around JNDI. This service is available
20  * as <code>hivemind.lib.NameLookup</code>.
21  *
22  * @author Howard Lewis Ship
23  */

24
25 public interface NameLookup
26 {
27     /**
28      * Performs the lookup, returning the object that was found.
29      *
30      * @param name the name to lookup
31      * @param expected the expected class of the object; the object found must be assignable
32      * to this class (which may be a class or interface)
33      * @throws org.apache.tapestry.ApplicationRuntimeException if an error occurs during
34      * the lookup, or if the found object can not be assigned to the expected class.
35      */

36     public Object JavaDoc lookup(String JavaDoc name, Class JavaDoc expected);
37 }
38
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