MapCacheLevelImpl xref

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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
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   */
19  package org.apache.chemistry.opencmis.client.bindings.cache.impl;
20  
21  import java.util.HashMap;
22  import java.util.Map;
23  
24  /**
25   * Map cache.
26   * 
27   * @author <a href="mailto:fmueller@opentext.com">Florian M&uuml;ller</a>
28   * 
29   */
30  public class MapCacheLevelImpl extends AbstractMapCacheLevel {
31  
32      private static final long serialVersionUID = 1L;
33  
34      public static final String CAPACITY = "capacity";
35      public static final String LOAD_FACTOR = "loadFactor";
36      public static final String SINGLE_VALUE = "singleValue";
37  
38      /**
39       * Constructor.
40       */
41      public MapCacheLevelImpl() {
42      }
43  
44      public void initialize(Map<String, String> parameters) {
45          int initialCapacity = getIntParameter(parameters, CAPACITY, 32);
46          float loadFactor = getFloatParameter(parameters, LOAD_FACTOR, 0.75f);
47          boolean singleValue = getBooleanParameter(parameters, SINGLE_VALUE, false);
48  
49          setMap(new HashMap<String, Object>(initialCapacity, loadFactor));
50          disableKeyFallback();
51          if (singleValue) {
52              enableSingeValueFallback();
53          }
54      }
55  }