01: /*
02: * Copyright 2006 Le Duc Bao, Ralf Joachim
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package org.castor.ddlgen.schemaobject;
17:
18: import org.castor.ddlgen.DDLGenConfiguration;
19: import org.castor.ddlgen.DDLWriter;
20:
21: /**
22: * Default foreign key.
23: *
24: * @author <a href="mailto:leducbao AT gmail DOT com">Le Duc Bao</a>
25: * @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
26: * @version $Revision: 5951 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $
27: * @since 1.1
28: */
29: public final class DefaultForeignKey extends ForeignKey {
30: //--------------------------------------------------------------------------
31:
32: /**
33: * {@inheritDoc}
34: */
35: public void toCreateDDL(final DDLWriter writer) {
36: String delimiter = DDLGenConfiguration.DEFAULT_STATEMENT_DELIMITER;
37:
38: writer.println();
39: writer.println();
40: writer.println("ALTER TABLE {0}", new Object[] { getTable()
41: .getName() });
42: writer
43: .println("ADD CONSTRAINT {0}",
44: new Object[] { getName() });
45: writer.print("FOREIGN KEY (");
46: fieldNames(writer);
47: writer.println(")");
48: writer.print("REFERENCES {0} (",
49: new Object[] { getReferenceTable().getName() });
50: referencedFieldNames(writer);
51: writer.print(")");
52: writer.print(delimiter);
53: }
54:
55: //--------------------------------------------------------------------------
56: }
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