| /* |
| * Copyright (c) 2011, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation |
| package org.eclipse.persistence.tools.schemaframework; |
| |
| import java.util.*; |
| import java.io.*; |
| import org.eclipse.persistence.exceptions.*; |
| import org.eclipse.persistence.internal.sessions.AbstractSession; |
| |
| /** |
| * <p> |
| * <b>Purpose</b>: Allow for indexes to be created. |
| * </p> |
| * @author James Sutherland |
| * @since EclipseLink 2.2 |
| */ |
| public class IndexDefinition extends DatabaseObjectDefinition { |
| protected String targetTable; |
| protected List<String> fields; |
| protected boolean isUnique; |
| |
| public IndexDefinition() { |
| this.fields = new ArrayList<>(); |
| } |
| |
| public boolean isUnique() { |
| return isUnique; |
| } |
| |
| public void setIsUnique(boolean isUnique) { |
| this.isUnique = isUnique; |
| } |
| |
| public String getTargetTable() { |
| return targetTable; |
| } |
| |
| /** |
| * PUBLIC: |
| * set qualified table name. |
| */ |
| public void setTargetTable(String targetTable) { |
| this.targetTable = targetTable; |
| } |
| |
| /** |
| * PUBLIC: |
| * Add the field to the index. |
| */ |
| public void addField(String fieldName) { |
| this.fields.add(fieldName); |
| } |
| |
| /** |
| * INTERNAL: |
| * Return the create type statement. |
| */ |
| @Override |
| public Writer buildCreationWriter(AbstractSession session, Writer writer) throws ValidationException { |
| try { |
| writer.write(session.getPlatform().buildCreateIndex(getTargetTable(), getName(), getQualifier(), isUnique(), this.fields.toArray(new String[0]))); |
| } catch (IOException ioException) { |
| throw ValidationException.fileError(ioException); |
| } |
| return writer; |
| } |
| |
| /** |
| * INTERNAL: |
| * Return the drop type statement. |
| */ |
| @Override |
| public Writer buildDeletionWriter(AbstractSession session, Writer writer) throws ValidationException { |
| try { |
| writer.write(session.getPlatform().buildDropIndex(getTargetTable(), getName(), getQualifier())); |
| } catch (IOException ioException) { |
| throw ValidationException.fileError(ioException); |
| } |
| return writer; |
| } |
| |
| public List<String> getFields() { |
| return fields; |
| } |
| |
| public void setFields(List<String> fields) { |
| this.fields = fields; |
| } |
| } |