| /******************************************************************************* |
| * Copyright (c) 2007, 2011 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.internal.context.java; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.common.utility.Filter; |
| import org.eclipse.jpt.common.utility.internal.StringTools; |
| import org.eclipse.jpt.common.utility.internal.iterables.EmptyIterable; |
| import org.eclipse.jpt.common.utility.internal.iterables.FilteringIterable; |
| import org.eclipse.jpt.jpa.core.context.java.JavaJpaContextNode; |
| import org.eclipse.jpt.jpa.core.context.java.JavaSequenceGenerator; |
| import org.eclipse.jpt.jpa.core.resource.java.SequenceGeneratorAnnotation; |
| import org.eclipse.jpt.jpa.db.Schema; |
| |
| /** |
| * Java sequence generator |
| */ |
| public abstract class AbstractJavaSequenceGenerator<A extends SequenceGeneratorAnnotation> |
| extends AbstractJavaGenerator<A> |
| implements JavaSequenceGenerator |
| { |
| protected String specifiedSequenceName; |
| protected String defaultSequenceName; |
| |
| |
| protected AbstractJavaSequenceGenerator(JavaJpaContextNode parent, A generatorAnnotation) { |
| super(parent, generatorAnnotation); |
| this.specifiedSequenceName = generatorAnnotation.getSequenceName(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel() { |
| super.synchronizeWithResourceModel(); |
| this.setSpecifiedSequenceName_(this.generatorAnnotation.getSequenceName()); |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.setDefaultSequenceName(this.buildDefaultSequenceName()); |
| } |
| |
| |
| // ********** initial value ********** |
| |
| @Override |
| protected int buildDefaultInitialValue() { |
| return DEFAULT_INITIAL_VALUE; |
| } |
| |
| |
| // ********** sequence name ********** |
| |
| public String getSequenceName() { |
| return (this.specifiedSequenceName != null) ? this.specifiedSequenceName : this.defaultSequenceName; |
| } |
| |
| public String getSpecifiedSequenceName() { |
| return this.specifiedSequenceName; |
| } |
| |
| public void setSpecifiedSequenceName(String name) { |
| this.generatorAnnotation.setSequenceName(name); |
| this.setSpecifiedSequenceName_(name); |
| } |
| |
| protected void setSpecifiedSequenceName_(String name) { |
| String old = this.specifiedSequenceName; |
| this.specifiedSequenceName = name; |
| this.firePropertyChanged(SPECIFIED_SEQUENCE_NAME_PROPERTY, old, name); |
| } |
| |
| public String getDefaultSequenceName() { |
| return this.defaultSequenceName; |
| } |
| |
| protected void setDefaultSequenceName(String name) { |
| String old = this.defaultSequenceName; |
| this.defaultSequenceName = name; |
| this.firePropertyChanged(DEFAULT_SEQUENCE_NAME_PROPERTY, old, name); |
| } |
| |
| protected String buildDefaultSequenceName() { |
| return null; // TODO the default sequence name is determined by the runtime provider... |
| } |
| |
| |
| // ********** Java completion proposals ********** |
| |
| /** |
| * called if the database is connected: |
| * sequenceName |
| */ |
| @Override |
| protected Iterator<String> connectedJavaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterator<String> result = super.connectedJavaCompletionProposals(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| if (this.sequenceNameTouches(pos, astRoot)) { |
| return this.getJavaCandidateSequences(filter).iterator(); |
| } |
| return null; |
| } |
| |
| protected boolean sequenceNameTouches(int pos, CompilationUnit astRoot) { |
| return this.generatorAnnotation.sequenceNameTouches(pos, astRoot); |
| } |
| |
| protected Iterable<String> getJavaCandidateSequences(Filter<String> filter) { |
| return StringTools.convertToJavaStringLiterals(this.getCandidateSequences(filter)); |
| } |
| |
| protected Iterable<String> getCandidateSequences(Filter<String> filter) { |
| return new FilteringIterable<String>(this.getCandidateSequences(), filter); |
| } |
| |
| protected Iterable<String> getCandidateSequences() { |
| Schema dbSchema = this.getDbSchema(); |
| return (dbSchema != null) ? dbSchema.getSortedSequenceIdentifiers() : EmptyIterable.<String> instance(); |
| } |
| |
| } |