Coverage Report

Coverage Report - org.apache.ojb.broker.accesslayer.RelationshipPrefetcherFactory

Classes in this File

3.667

 package org.apache.ojb.broker.accesslayer;
 
 /* Copyright 2002-2005 The Apache Software Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 import org.apache.ojb.broker.PersistenceBrokerException;
 import org.apache.ojb.broker.core.PersistenceBrokerImpl;
 import org.apache.ojb.broker.metadata.ClassDescriptor;
 import org.apache.ojb.broker.metadata.CollectionDescriptor;
 import org.apache.ojb.broker.metadata.ObjectReferenceDescriptor;
 
 /**
  * Factory for Relationship Prefetchers
  * 
  * @author <a href="mailto:jbraeuchi@gmx.ch">Jakob Braeuchi</a>
  * @version $Id: RelationshipPrefetcherFactory.java,v 1.1 2007-08-24 22:17:30 ewestfal Exp $
  */
 public class RelationshipPrefetcherFactory
 {
     private PersistenceBrokerImpl broker;
 
     public RelationshipPrefetcherFactory(final PersistenceBrokerImpl broker)
     {
         this.broker = broker;
     }
 
     /**
      * create either a CollectionPrefetcher or a ReferencePrefetcher
      */ 
     public RelationshipPrefetcher createRelationshipPrefetcher(ObjectReferenceDescriptor ord)
     {
         if (ord instanceof CollectionDescriptor)
         {
             CollectionDescriptor cds = (CollectionDescriptor)ord;
             if (cds.isMtoNRelation())
             {
                 return new MtoNCollectionPrefetcher(broker, cds);
             }
             else
             {
                 return new CollectionPrefetcher(broker, cds);
             }
         }
         else
         {    
             return new ReferencePrefetcher(broker, ord);
         }
     }   
     
     /**
      * create either a CollectionPrefetcher or a ReferencePrefetcher
      */ 
     public RelationshipPrefetcher createRelationshipPrefetcher(ClassDescriptor anOwnerCld, String aRelationshipName)
     {
         ObjectReferenceDescriptor ord;
         
         ord = anOwnerCld.getCollectionDescriptorByName(aRelationshipName);
         if (ord == null)
         {
             ord = anOwnerCld.getObjectReferenceDescriptorByName(aRelationshipName);
             if (ord == null)
             {
                 throw new PersistenceBrokerException("Relationship named '" + aRelationshipName
                         + "' not found in owner class " + (anOwnerCld != null ? anOwnerCld.getClassNameOfObject() : null));
             }
         }
         return createRelationshipPrefetcher(ord);
     }   
 }

1		package org.apache.ojb.broker.accesslayer;
2
3		/* Copyright 2002-2005 The Apache Software Foundation
4		*
5		* Licensed under the Apache License, Version 2.0 (the "License");
6		* you may not use this file except in compliance with the License.
7		* You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*/
17
18		import org.apache.ojb.broker.PersistenceBrokerException;
19		import org.apache.ojb.broker.core.PersistenceBrokerImpl;
20		import org.apache.ojb.broker.metadata.ClassDescriptor;
21		import org.apache.ojb.broker.metadata.CollectionDescriptor;
22		import org.apache.ojb.broker.metadata.ObjectReferenceDescriptor;
23
24		/**
25		* Factory for Relationship Prefetchers
26		*
27		* @author <a href="mailto:jbraeuchi@gmx.ch">Jakob Braeuchi</a>
28		* @version $Id: RelationshipPrefetcherFactory.java,v 1.1 2007-08-24 22:17:30 ewestfal Exp $
29		*/
30		public class RelationshipPrefetcherFactory
31		{
32		private PersistenceBrokerImpl broker;
33
34		public RelationshipPrefetcherFactory(final PersistenceBrokerImpl broker)
35		{
36		this.broker = broker;
37		}
38
39		/**
40		* create either a CollectionPrefetcher or a ReferencePrefetcher
41		*/
42		public RelationshipPrefetcher createRelationshipPrefetcher(ObjectReferenceDescriptor ord)
43		{
44		if (ord instanceof CollectionDescriptor)
45		{
46		CollectionDescriptor cds = (CollectionDescriptor)ord;
47		if (cds.isMtoNRelation())
48		{
49		return new MtoNCollectionPrefetcher(broker, cds);
50		}
51		else
52		{
53		return new CollectionPrefetcher(broker, cds);
54		}
55		}
56		else
57		{
58		return new ReferencePrefetcher(broker, ord);
59		}
60		}
61
62		/**
63		* create either a CollectionPrefetcher or a ReferencePrefetcher
64		*/
65		public RelationshipPrefetcher createRelationshipPrefetcher(ClassDescriptor anOwnerCld, String aRelationshipName)
66		{
67		ObjectReferenceDescriptor ord;
68
69		ord = anOwnerCld.getCollectionDescriptorByName(aRelationshipName);
70		if (ord == null)
71		{
72		ord = anOwnerCld.getObjectReferenceDescriptorByName(aRelationshipName);
73		if (ord == null)
74		{
75		throw new PersistenceBrokerException("Relationship named '" + aRelationshipName
76		+ "' not found in owner class " + (anOwnerCld != null ? anOwnerCld.getClassNameOfObject() : null));
77		}
78		}
79		return createRelationshipPrefetcher(ord);
80		}
81		}