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Java > Open Source Codes > org > objectstyle > cayenne > access > DataNodeCommitAction


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
5  *
6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if any,
22  * must include the following acknowlegement:
23  * "This product includes software developed by independent contributors
24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
29  * or promote products derived from this software without prior written
30  * permission. For written permission, email
31  * "andrus at objectstyle dot org".
32  *
33  * 5. Products derived from this software may not be called "ObjectStyle"
34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
51  * This software consists of voluntary contributions made by many
52  * individuals and hosted on ObjectStyle Group web site. For more
53  * information on the ObjectStyle Group, please see
54  * <http://objectstyle.org/>.
55  */
56
57 package org.objectstyle.cayenne.access;
58
59 import java.util.ArrayList JavaDoc;
60 import java.util.HashMap JavaDoc;
61 import java.util.List JavaDoc;
62 import java.util.Map JavaDoc;
63
64 import org.objectstyle.cayenne.map.ObjEntity;
65 import org.objectstyle.cayenne.query.Query;
66
67 /**
68  * A helper class for DataContextCommitAction.
69  *
70  * @since 1.2
71  * @author Andrei Adamchik
72  */
73 class DataNodeCommitAction {
74
75     static final int INSERT = 1;
76     static final int UPDATE = 2;
77     static final int DELETE = 3;
78
79     DataNode node;
80     List JavaDoc objEntitiesForInsert = new ArrayList JavaDoc();
81     List JavaDoc objEntitiesForDelete = new ArrayList JavaDoc();
82     List JavaDoc objEntitiesForUpdate = new ArrayList JavaDoc();
83     Map JavaDoc flattenedInsertQueries = new HashMap JavaDoc();
84     Map JavaDoc flattenedDeleteQueries = new HashMap JavaDoc();
85     List JavaDoc queries = new ArrayList JavaDoc();
86
87     DataNodeCommitAction(DataNode node) {
88         this.node = node;
89     }
90
91     void addToEntityList(ObjEntity ent, int listType) {
92         switch (listType) {
93             case 1:
94                 objEntitiesForInsert.add(ent);
95                 break;
96             case 2:
97                 objEntitiesForUpdate.add(ent);
98                 break;
99             case 3:
100                 objEntitiesForDelete.add(ent);
101                 break;
102         }
103     }
104
105     void addToQueries(Query q) {
106         queries.add(q);
107     }
108
109     /**
110      * Returns the node.
111      */
112     DataNode getNode() {
113         return node;
114     }
115
116     /**
117      * Returns the queries.
118      */
119     List JavaDoc getQueries() {
120         return queries;
121     }
122
123     /**
124      * Returns the objEntitiesForDelete.
125      *
126      * @return List
127      */
128     List JavaDoc getObjEntitiesForDelete() {
129         return objEntitiesForDelete;
130     }
131
132     /**
133      * Returns the objEntitiesForInsert.
134      *
135      * @return List
136      */
137     List JavaDoc getObjEntitiesForInsert() {
138         return objEntitiesForInsert;
139     }
140
141     /**
142      * Returns the objEntitiesForUpdate.
143      *
144      * @return List
145      */
146     List JavaDoc getObjEntitiesForUpdate() {
147         return objEntitiesForUpdate;
148     }
149
150     Map JavaDoc getFlattenedDeleteQueries() {
151         return flattenedDeleteQueries;
152     }
153
154     Map JavaDoc getFlattenedInsertQueries() {
155         return flattenedInsertQueries;
156     }
157 }
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