View Javadoc

1   package org.csc.phynixx.common.generator;
2   
3   /*
4    * #%L
5    * phynixx-common
6    * %%
7    * Copyright (C) 2014 Christoph Schmidt-Casdorff
8    * %%
9    * Licensed under the Apache License, Version 2.0 (the "License");
10   * you may not use this file except in compliance with the License.
11   * You may obtain a copy of the License at
12   * 
13   *      http://www.apache.org/licenses/LICENSE-2.0
14   * 
15   * Unless required by applicable law or agreed to in writing, software
16   * distributed under the License is distributed on an "AS IS" BASIS,
17   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18   * See the License for the specific language governing permissions and
19   * limitations under the License.
20   * #L%
21   */
22  
23  
24  /**
25   * Created by christoph on 23.02.14.
26   */
27  class SynchronizedGenerator<T> implements IDGenerator<T> {
28  
29      private final IDGenerator<T> delegates;
30  
31      SynchronizedGenerator(IDGenerator<T> delegates) {
32          this.delegates = delegates;
33          if(delegates==null) {
34              throw new IllegalArgumentException("delegates must be defined");
35          }
36      }
37  
38      @Override
39      public T getCurrent() {
40          synchronized (delegates) {
41              return delegates.getCurrent();
42          }
43      }
44  
45      @Override
46      public T generate() {
47  
48          synchronized (delegates) {
49              return delegates.generate();
50          }
51      }
52  }