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TypeCacheImpl xref

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.commons.impl.server;
20  
21  import java.util.HashMap;
22  import java.util.Map;
23  
24  import org.apache.chemistry.opencmis.commons.definitions.TypeDefinition;
25  import org.apache.chemistry.opencmis.commons.impl.TypeCache;
26  import org.apache.chemistry.opencmis.commons.server.CmisService;
27  import org.apache.chemistry.opencmis.commons.server.ObjectInfo;
28  
29  /**
30   * Temporary type cache used for one call.
31   */
32  public class TypeCacheImpl implements TypeCache {
33  
34  	private final String repositoryId;
35  	private final CmisService service;
36  	private final Map<String, TypeDefinition> typeDefinitions;
37  
38  	public TypeCacheImpl(String repositoryId, CmisService service) {
39  		this.repositoryId = repositoryId;
40  		this.service = service;
41  		typeDefinitions = new HashMap<String, TypeDefinition>();
42  	}
43  
44  	public TypeDefinition getTypeDefinition(String typeId) {
45  		TypeDefinition type = typeDefinitions.get(typeId);
46  		if (type == null) {
47  			type = service.getTypeDefinition(repositoryId, typeId, null);
48  			if (type != null) {
49  				typeDefinitions.put(type.getId(), type);
50  			}
51  		}
52  
53  		return type;
54  	}
55  
56  	public TypeDefinition getTypeDefinitionForObject(String objectId) {
57  		ObjectInfo info = service.getObjectInfo(repositoryId, objectId);
58  		if (info == null) {
59  			return null;
60  		}
61  
62  		return getTypeDefinition(info.getTypeId());
63  	}
64  }