| /******************************************************************************* |
| * 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 java.util.List; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.context.BaseJoinColumn; |
| 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.java.AbstractJavaBaseColumn; |
| import org.eclipse.jpt.core.resource.java.JoinColumnAnnotation; |
| import org.eclipse.jpt.core.utility.TextRange; |
| 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; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| |
| |
| public class GenericJavaJoinColumn extends AbstractJavaBaseColumn<JoinColumnAnnotation> implements JavaJoinColumn |
| { |
| |
| protected String specifiedReferencedColumnName; |
| |
| protected String defaultReferencedColumnName; |
| |
| public GenericJavaJoinColumn(JavaJpaContextNode parent, JavaJoinColumn.Owner owner) { |
| super(parent, owner); |
| } |
| |
| @Override |
| public void initialize(JoinColumnAnnotation annotation) { |
| super.initialize(annotation); |
| this.specifiedReferencedColumnName = annotation.getReferencedColumnName(); |
| this.defaultReferencedColumnName = this.buildDefaultReferencedColumnName(); |
| } |
| |
| @Override |
| public void update(JoinColumnAnnotation annotation) { |
| super.update(annotation); |
| this.setSpecifiedReferencedColumnName_(annotation.getReferencedColumnName()); |
| this.setDefaultReferencedColumnName(this.buildDefaultReferencedColumnName()); |
| } |
| |
| |
| public String getReferencedColumnName() { |
| return (this.specifiedReferencedColumnName == null) ? this.defaultReferencedColumnName : this.specifiedReferencedColumnName; |
| } |
| |
| public String getSpecifiedReferencedColumnName() { |
| return this.specifiedReferencedColumnName; |
| } |
| |
| public void setSpecifiedReferencedColumnName(String newSpecifiedReferencedColumnName) { |
| String oldSpecifiedReferencedColumnName = this.specifiedReferencedColumnName; |
| this.specifiedReferencedColumnName = newSpecifiedReferencedColumnName; |
| this.getResourceColumn().setReferencedColumnName(newSpecifiedReferencedColumnName); |
| firePropertyChanged(BaseJoinColumn.SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, oldSpecifiedReferencedColumnName, newSpecifiedReferencedColumnName); |
| } |
| |
| protected void setSpecifiedReferencedColumnName_(String newSpecifiedReferencedColumnName) { |
| String oldSpecifiedReferencedColumnName = this.specifiedReferencedColumnName; |
| this.specifiedReferencedColumnName = newSpecifiedReferencedColumnName; |
| firePropertyChanged(BaseJoinColumn.SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, oldSpecifiedReferencedColumnName, newSpecifiedReferencedColumnName); |
| } |
| |
| public String getDefaultReferencedColumnName() { |
| return this.defaultReferencedColumnName; |
| } |
| |
| protected void setDefaultReferencedColumnName(String newDefaultReferencedColumnName) { |
| String oldDefaultReferencedColumnName = this.defaultReferencedColumnName; |
| this.defaultReferencedColumnName = newDefaultReferencedColumnName; |
| firePropertyChanged(BaseJoinColumn.DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY, oldDefaultReferencedColumnName, newDefaultReferencedColumnName); |
| } |
| |
| |
| @Override |
| public JavaJoinColumn.Owner getOwner() { |
| return (JavaJoinColumn.Owner) super.getOwner(); |
| } |
| |
| public boolean isVirtual() { |
| return getOwner().isVirtual(this); |
| } |
| |
| public Table getReferencedColumnDbTable() { |
| return getOwner().getReferencedColumnDbTable(); |
| } |
| |
| public Column getReferencedDbColumn() { |
| Table table = this.getReferencedColumnDbTable(); |
| return (table == null) ? null : table.getColumnForIdentifier(this.getReferencedColumnName()); |
| } |
| |
| public boolean referencedColumnNameTouches(int pos, CompilationUnit astRoot) { |
| return getResourceColumn().referencedColumnNameTouches(pos, astRoot); |
| } |
| |
| @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; |
| } |
| |
| private Iterable<String> getJavaCandidateReferencedColumnNames(Filter<String> filter) { |
| return StringTools.convertToJavaStringLiterals(this.getCandidateReferencedColumnNames(filter)); |
| } |
| |
| private Iterable<String> getCandidateReferencedColumnNames(Filter<String> filter) { |
| return new FilteringIterable<String>(this.getCandidateReferencedColumnNames(), filter); |
| } |
| |
| private Iterable<String> getCandidateReferencedColumnNames() { |
| Table table = this.getOwner().getReferencedColumnDbTable(); |
| return (table != null) ? table.getSortedColumnIdentifiers() : EmptyIterable.<String> instance(); |
| } |
| |
| public boolean isReferencedColumnResolved() { |
| return getReferencedDbColumn() != null; |
| } |
| |
| public TextRange getReferencedColumnNameTextRange(CompilationUnit astRoot) { |
| TextRange textRange = getResourceColumn().getReferencedColumnNameTextRange(astRoot); |
| return (textRange != null) ? textRange : getOwner().getValidationTextRange(astRoot); |
| } |
| |
| @Override |
| protected String buildDefaultName() { |
| return MappingTools.buildJoinColumnDefaultName(this, this.getOwner()); |
| } |
| |
| protected String buildDefaultReferencedColumnName() { |
| return MappingTools.buildJoinColumnDefaultReferencedColumnName(this.getOwner()); |
| } |
| |
| @Override |
| //this method will only be called if the table validates correctly |
| protected void validateName(List<IMessage> messages, CompilationUnit astRoot) { |
| this.validateJoinColumnName(messages, astRoot); |
| this.validateReferencedColumnName(messages, astRoot); |
| } |
| |
| protected void validateJoinColumnName(List<IMessage> messages, CompilationUnit astRoot) { |
| if (getSpecifiedName() == null && this.getOwner().joinColumnsSize() > 1) { |
| messages.add(this.buildUnspecifiedNameMultipleJoinColumnsMessage(astRoot)); |
| } |
| else if (this.getName() != null){ |
| super.validateName(messages, astRoot); |
| } |
| //If the name is null and there is only one join-column, one of these validation messages will apply |
| // 1. target entity does not have a primary key |
| // 2. target entity is not specified |
| // 3. target entity is not an entity |
| } |
| |
| protected void validateReferencedColumnName(List<IMessage> messages, CompilationUnit astRoot) { |
| if (getSpecifiedReferencedColumnName() == null && this.getOwner().joinColumnsSize() > 1) { |
| messages.add(this.buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage(astRoot)); |
| } |
| else if (this.getReferencedColumnName() != null) { |
| if (this.getReferencedColumnDbTable() != null && ! this.isReferencedColumnResolved()) { |
| messages.add(getOwner().buildUnresolvedReferencedColumnNameMessage(this, this.getReferencedColumnNameTextRange(astRoot))); |
| } |
| } |
| //If the referenced column name is null and there is only one join-column, one of these validation messages will apply |
| // 1. target entity does not have a primary key |
| // 2. target entity is not specified |
| // 3. target entity is not an entity |
| } |
| |
| protected IMessage buildUnspecifiedNameMultipleJoinColumnsMessage(CompilationUnit astRoot) { |
| return getOwner().buildUnspecifiedNameMultipleJoinColumnsMessage(this, getNameTextRange(astRoot)); |
| } |
| |
| protected IMessage buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage(CompilationUnit astRoot) { |
| return getOwner().buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage(this, getReferencedColumnNameTextRange(astRoot)); |
| } |
| } |