Source Code Cross Referenced for RelationshipMapping.java in  » Database-ORM » XORM » org » xorm » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » XORM » org.xorm 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:            $Header: /cvsroot/xorm/xorm/src/org/xorm/RelationshipMapping.java,v 1.10 2003/07/09 01:44:02 wbiggs Exp $
003:
004:            This file is part of XORM.
005:
006:            XORM is free software; you can redistribute it and/or modify
007:            it under the terms of the GNU General Public License as published by
008:            the Free Software Foundation; either version 2 of the License, or
009:            (at your option) any later version.
010:
011:            XORM is distributed in the hope that it will be useful,
012:            but WITHOUT ANY WARRANTY; without even the implied warranty of
013:            MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014:            GNU General Public License for more details.
015:
016:            You should have received a copy of the GNU General Public License
017:            along with XORM; if not, write to the Free Software
018:            Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019:         */
020:        package org.xorm;
021:
022:        import org.xorm.datastore.Column;
023:
024:        /**
025:         * A relationship mapping is a set of two endpoints that map specific columns
026:         * to primary keys of specific interface types.
027:         */
028:        public class RelationshipMapping {
029:            public static class Endpoint {
030:                public static final int OBJECT = 1;
031:                public static final int SET = 2;
032:                // TODO: BAG, LIST, ORDERED_SET, MAP, ORDERED_MAP
033:
034:                private int collectionType;
035:
036:                public int getCollectionType() {
037:                    return collectionType;
038:                }
039:
040:                public void setCollectionType(int collectionType) {
041:                    this .collectionType = collectionType;
042:                }
043:
044:                private Class elementClass;
045:
046:                public Class getElementClass() {
047:                    return elementClass;
048:                }
049:
050:                public void setElementClass(Class elementClass) {
051:                    this .elementClass = elementClass;
052:                }
053:
054:                private Column column;
055:
056:                public Column getColumn() {
057:                    return column;
058:                }
059:
060:                public void setColumn(Column column) {
061:                    this .column = column;
062:                }
063:            }
064:
065:            private String orderBy;
066:            private String ordering;
067:
068:            // We used to just set the target's elementClass to signify many-to-many,
069:            // but that seemed like a hack to me.  And since the target's elementClass
070:            // was set to the owner class, which didn't seem to apply (if anything the
071:            // target element class would be the collection's element class, not the
072:            // owner's class), I swapped it out for a boolean. (Dan C)
073:            private boolean manyToMany = false;
074:
075:            private Endpoint source;
076:            private Endpoint target;
077:            private Column indexColumn;
078:            // Added support for filtered collections (Dan Checkoway, 6/26/03)
079:            private String filter;
080:            private String parameters;
081:            private String variables;
082:            private String imports;
083:
084:            public String getOrderBy() {
085:                return orderBy;
086:            }
087:
088:            public void setOrderBy(String orderBy) {
089:                this .orderBy = orderBy;
090:            }
091:
092:            public String getOrdering() {
093:                return ordering;
094:            }
095:
096:            public void setOrdering(String ordering) {
097:                this .ordering = ordering;
098:            }
099:
100:            /** Returns true if this is a many-to-many relationship. */
101:            public boolean isMToN() {
102:                return manyToMany;
103:            }
104:
105:            public void setMToN(boolean val) {
106:                manyToMany = val;
107:            }
108:
109:            public Endpoint getSource() {
110:                return source;
111:            }
112:
113:            public void setSource(Endpoint source) {
114:                this .source = source;
115:            }
116:
117:            public Endpoint getTarget() {
118:                return target;
119:            }
120:
121:            public void setTarget(Endpoint target) {
122:                this .target = target;
123:            }
124:
125:            public Column getIndexColumn() {
126:                return indexColumn;
127:            }
128:
129:            public void setIndexColumn(Column indexColumn) {
130:                this .indexColumn = indexColumn;
131:            }
132:
133:            public RelationshipMapping reverse() {
134:                RelationshipMapping other = new RelationshipMapping();
135:                other.source = target;
136:                other.target = source;
137:                return other;
138:            }
139:
140:            public String getFilter() {
141:                return filter;
142:            }
143:
144:            public void setFilter(String filter) {
145:                this .filter = filter;
146:            }
147:
148:            public String getParameters() {
149:                return parameters;
150:            }
151:
152:            public void setParameters(String parameters) {
153:                this .parameters = parameters;
154:            }
155:
156:            public String getVariables() {
157:                return variables;
158:            }
159:
160:            public void setVariables(String variables) {
161:                this .variables = variables;
162:            }
163:
164:            public String getImports() {
165:                return imports;
166:            }
167:
168:            public void setImports(String imports) {
169:                this.imports = imports;
170:            }
171:        }
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