001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * // Copyright (c) 1998, 2007, Oracle. All rights reserved.
005: *
006: *
007: * The contents of this file are subject to the terms of either the GNU
008: * General Public License Version 2 only ("GPL") or the Common Development
009: * and Distribution License("CDDL") (collectively, the "License"). You
010: * may not use this file except in compliance with the License. You can obtain
011: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
012: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
013: * language governing permissions and limitations under the License.
014: *
015: * When distributing the software, include this License Header Notice in each
016: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
017: * Sun designates this particular file as subject to the "Classpath" exception
018: * as provided by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the License
020: * Header, with the fields enclosed by brackets [] replaced by your own
021: * identifying information: "Portions Copyrighted [year]
022: * [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * If you wish your version of this file to be governed by only the CDDL or
027: * only the GPL Version 2, indicate your decision by adding "[Contributor]
028: * elects to include this software in this distribution under the [CDDL or GPL
029: * Version 2] license." If you don't indicate a single choice of license, a
030: * recipient has the option to distribute your version of this file under
031: * either the CDDL, the GPL Version 2 or to extend the choice of license to
032: * its licensees as provided above. However, if you add GPL Version 2 code
033: * and therefore, elected the GPL Version 2 license, then the option applies
034: * only if the new code is made subject to such option by the copyright
035: * holder.
036: */
037: package oracle.toplink.essentials.tools.schemaframework;
038:
039: import java.io.*;
040: import oracle.toplink.essentials.exceptions.*;
041: import oracle.toplink.essentials.internal.sessions.AbstractSession;
042:
043: /**
044: * <p>
045: * <b>Purpose</b>: Allow for creation of views.
046: * <p>
047: */
048: public class ViewDefinition extends DatabaseObjectDefinition {
049: protected String selectClause;
050:
051: public ViewDefinition() {
052: super ();
053: this .selectClause = "";
054: }
055:
056: /**
057: * INTERNAL:
058: * Return the DDL to create the view.
059: */
060: public Writer buildCreationWriter(AbstractSession session,
061: Writer writer) throws ValidationException {
062: try {
063: writer.write(session.getPlatform().getCreateViewString());
064: writer.write(getFullName());
065: writer.write(" AS (");
066: writer.write(getSelectClause());
067: writer.write(")");
068: } catch (IOException ioException) {
069: throw ValidationException.fileError(ioException);
070: }
071: return writer;
072: }
073:
074: /**
075: * INTERNAL:
076: * Return the DDL to drop the view.
077: */
078: public Writer buildDeletionWriter(AbstractSession session,
079: Writer writer) throws ValidationException {
080: try {
081: writer.write("DROP VIEW " + getFullName());
082: } catch (IOException ioException) {
083: throw ValidationException.fileError(ioException);
084: }
085: return writer;
086: }
087:
088: /**
089: * The select clause is the select statement that is mapped into the view.
090: * This is database specific SQL code.
091: */
092: public String getSelectClause() {
093: return selectClause;
094: }
095:
096: /**
097: * The select clause is the select statement that is mapped into the view.
098: * This is database specific SQL code.
099: */
100: public void setSelectClause(String selectClause) {
101: this.selectClause = selectClause;
102: }
103: }
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