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.apache.cxf.extension;
19:
20: import java.util.Map;
21: import java.util.concurrent.ConcurrentHashMap;
22:
23: /**
24: *
25: */
26: public class RegistryImpl<K, T> implements Registry<K, T> {
27:
28: protected final Map<K, T> entries;
29:
30: protected RegistryImpl() {
31: this (null);
32: }
33:
34: protected RegistryImpl(Map<K, T> e) {
35: if (null == e) {
36: e = new ConcurrentHashMap<K, T>();
37: } else if (!(e instanceof ConcurrentHashMap)) {
38: e = new ConcurrentHashMap<K, T>(e);
39: }
40: entries = e;
41: }
42:
43: public void register(K k, T t) {
44: entries.put(k, t);
45: }
46:
47: public void unregister(K k) {
48: entries.remove(k);
49: }
50:
51: public T get(K k) {
52: return entries.get(k);
53: }
54:
55: }
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