| /******************************************************************************* |
| * Copyright (c) 2007, 2010 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.core.internal.jpa1.context.java; |
| |
| import java.util.Iterator; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| import org.eclipse.jpt.core.context.ReadOnlyJoinColumn; |
| import org.eclipse.jpt.core.context.java.JavaJoinColumn; |
| import org.eclipse.jpt.core.context.java.JavaJpaContextNode; |
| import org.eclipse.jpt.core.internal.context.MappingTools; |
| import org.eclipse.jpt.core.internal.context.NamedColumnTextRangeResolver; |
| import org.eclipse.jpt.core.internal.context.java.AbstractJavaBaseColumn; |
| import org.eclipse.jpt.core.internal.context.java.AbstractJavaNamedColumn; |
| import org.eclipse.jpt.core.internal.context.java.JavaJoinColumnTextRangeResolver; |
| import org.eclipse.jpt.core.resource.java.JoinColumnAnnotation; |
| import org.eclipse.jpt.db.Column; |
| import org.eclipse.jpt.db.Table; |
| import org.eclipse.jpt.utility.Filter; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.jpt.utility.internal.iterables.EmptyIterable; |
| import org.eclipse.jpt.utility.internal.iterables.FilteringIterable; |
| |
| /** |
| * Java join column |
| */ |
| public class GenericJavaJoinColumn |
| extends AbstractJavaBaseColumn<JoinColumnAnnotation, JavaJoinColumn.Owner> |
| implements JavaJoinColumn |
| { |
| /** @see AbstractJavaNamedColumn#AbstractJavaNamedColumn(JavaJpaContextNode, org.eclipse.jpt.core.context.java.JavaNamedColumn.Owner, org.eclipse.jpt.core.resource.java.NamedColumnAnnotation) */ |
| protected /* final */ JoinColumnAnnotation columnAnnotation; // never null |
| |
| protected String specifiedReferencedColumnName; |
| protected String defaultReferencedColumnName; |
| |
| |
| public GenericJavaJoinColumn(JavaJpaContextNode parent, JavaJoinColumn.Owner owner) { |
| this(parent, owner, null); |
| } |
| |
| public GenericJavaJoinColumn(JavaJpaContextNode parent, JavaJoinColumn.Owner owner, JoinColumnAnnotation columnAnnotation) { |
| super(parent, owner, columnAnnotation); |
| this.specifiedReferencedColumnName = this.buildSpecifiedReferencedColumnName(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel() { |
| super.synchronizeWithResourceModel(); |
| this.setSpecifiedReferencedColumnName_(this.buildSpecifiedReferencedColumnName()); |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.setDefaultReferencedColumnName(this.buildDefaultReferencedColumnName()); |
| } |
| |
| |
| // ********** column annotation ********** |
| |
| @Override |
| public JoinColumnAnnotation getColumnAnnotation() { |
| return this.columnAnnotation; |
| } |
| |
| @Override |
| protected void setColumnAnnotation(JoinColumnAnnotation columnAnnotation) { |
| this.columnAnnotation = columnAnnotation; |
| } |
| |
| @Override |
| protected void removeColumnAnnotation() { |
| // we don't remove a join column annotation when it is empty |
| } |
| |
| |
| // ********** referenced column name ********** |
| |
| public String getReferencedColumnName() { |
| return (this.specifiedReferencedColumnName != null) ? this.specifiedReferencedColumnName : this.defaultReferencedColumnName; |
| } |
| |
| public String getSpecifiedReferencedColumnName() { |
| return this.specifiedReferencedColumnName; |
| } |
| |
| public void setSpecifiedReferencedColumnName(String name) { |
| if (this.valuesAreDifferent(this.specifiedReferencedColumnName, name)) { |
| this.getColumnAnnotation().setReferencedColumnName(name); |
| this.removeColumnAnnotationIfUnset(); |
| this.setSpecifiedReferencedColumnName_(name); |
| } |
| } |
| |
| protected void setSpecifiedReferencedColumnName_(String name) { |
| String old = this.specifiedReferencedColumnName; |
| this.specifiedReferencedColumnName = name; |
| this.firePropertyChanged(SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, old, name); |
| } |
| |
| protected String buildSpecifiedReferencedColumnName() { |
| return this.getColumnAnnotation().getReferencedColumnName(); |
| } |
| |
| public String getDefaultReferencedColumnName() { |
| return this.defaultReferencedColumnName; |
| } |
| |
| protected void setDefaultReferencedColumnName(String name) { |
| String old = this.defaultReferencedColumnName; |
| this.defaultReferencedColumnName = name; |
| this.firePropertyChanged(DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY, old, name); |
| } |
| |
| protected String buildDefaultReferencedColumnName() { |
| return MappingTools.buildJoinColumnDefaultReferencedColumnName(this.owner); |
| } |
| |
| public TextRange getReferencedColumnNameTextRange(CompilationUnit astRoot) { |
| TextRange textRange = this.getColumnAnnotation().getReferencedColumnNameTextRange(astRoot); |
| return (textRange != null) ? textRange : this.owner.getValidationTextRange(astRoot); |
| } |
| |
| |
| // ********** database stuff ********** |
| |
| public Table getReferencedColumnDbTable() { |
| return this.owner.getReferencedColumnDbTable(); |
| } |
| |
| protected Column getReferencedDbColumn() { |
| Table table = this.getReferencedColumnDbTable(); |
| return (table == null) ? null : table.getColumnForIdentifier(this.getReferencedColumnName()); |
| } |
| |
| public boolean referencedColumnIsResolved() { |
| return this.getReferencedDbColumn() != null; |
| } |
| |
| |
| // ********** misc ********** |
| |
| public void initializeFrom(ReadOnlyJoinColumn oldColumn) { |
| super.initializeFrom(oldColumn); |
| this.setSpecifiedReferencedColumnName(oldColumn.getSpecifiedReferencedColumnName()); |
| } |
| |
| public void initializeFromVirtual(ReadOnlyJoinColumn virtualColumn) { |
| super.initializeFromVirtual(virtualColumn); |
| this.setSpecifiedReferencedColumnName(virtualColumn.getReferencedColumnName()); |
| } |
| |
| public boolean isDefault() { |
| return this.owner.joinColumnIsDefault(this); |
| } |
| |
| @Override |
| protected String buildDefaultName() { |
| return MappingTools.buildJoinColumnDefaultName(this, this.owner); |
| } |
| |
| |
| // ********** Java completion proposals ********** |
| |
| @Override |
| public 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.referencedColumnNameTouches(pos, astRoot)) { |
| return this.getJavaCandidateReferencedColumnNames(filter).iterator(); |
| } |
| return null; |
| } |
| |
| protected boolean referencedColumnNameTouches(int pos, CompilationUnit astRoot) { |
| return this.getColumnAnnotation().referencedColumnNameTouches(pos, astRoot); |
| } |
| |
| protected Iterable<String> getJavaCandidateReferencedColumnNames(Filter<String> filter) { |
| return StringTools.convertToJavaStringLiterals(this.getCandidateReferencedColumnNames(filter)); |
| } |
| |
| protected Iterable<String> getCandidateReferencedColumnNames(Filter<String> filter) { |
| return new FilteringIterable<String>(this.getCandidateReferencedColumnNames(), filter); |
| } |
| |
| protected Iterable<String> getCandidateReferencedColumnNames() { |
| Table table = this.owner.getReferencedColumnDbTable(); |
| return (table != null) ? table.getSortedColumnIdentifiers() : EmptyIterable.<String> instance(); |
| } |
| |
| |
| // ********** validation ********** |
| |
| @Override |
| protected NamedColumnTextRangeResolver buildTextRangeResolver(CompilationUnit astRoot) { |
| return new JavaJoinColumnTextRangeResolver(this, astRoot); |
| } |
| } |