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/*******************************************************************************
* Copyright (c) 2008, 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.jpa.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.common.utility.Filter;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.iterators.FilteringIterator;
import org.eclipse.jpt.jpa.core.context.ReadOnlyUniqueConstraint;
import org.eclipse.jpt.jpa.core.context.java.JavaJpaContextNode;
import org.eclipse.jpt.jpa.core.context.java.JavaUniqueConstraint;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaReadOnlyUniqueConstraint;
import org.eclipse.jpt.jpa.core.resource.java.UniqueConstraintAnnotation;
public class GenericJavaUniqueConstraint
extends AbstractJavaReadOnlyUniqueConstraint
implements JavaUniqueConstraint
{
protected Owner owner;
protected final UniqueConstraintAnnotation uniqueConstraintAnnotation;
public GenericJavaUniqueConstraint(JavaJpaContextNode parent, Owner owner, UniqueConstraintAnnotation uniqueConstraintAnnotation) {
super(parent);
this.owner = owner;
this.uniqueConstraintAnnotation = uniqueConstraintAnnotation;
this.initializeColumnNames();
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
this.syncColumnNames();
}
// ********** column names **********
public void addColumnName(String columnName) {
this.addColumnName(this.columnNames.size(), columnName);
}
public void addColumnName(int index, String columnName) {
this.uniqueConstraintAnnotation.addColumnName(index, columnName);
this.addItemToList(index, columnName, this.columnNames, COLUMN_NAMES_LIST);
}
public void removeColumnName(String columnName) {
this.removeColumnName(this.columnNames.indexOf(columnName));
}
public void removeColumnName(int index) {
this.uniqueConstraintAnnotation.removeColumnName(index);
this.removeItemFromList(index, this.columnNames, COLUMN_NAMES_LIST);
}
public void moveColumnName(int targetIndex, int sourceIndex) {
this.uniqueConstraintAnnotation.moveColumnName(targetIndex, sourceIndex);
this.moveItemInList(targetIndex, sourceIndex, this.columnNames, COLUMN_NAMES_LIST);
}
protected void initializeColumnNames() {
for (Iterator<String> stream = this.uniqueConstraintAnnotation.columnNames(); stream.hasNext(); ) {
this.columnNames.add(stream.next());
}
}
@Override
protected Iterable<String> getResourceColumnNames() {
return CollectionTools.iterable(this.uniqueConstraintAnnotation.columnNames());
}
// ********** 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.columnNamesTouches(pos, astRoot)) {
return this.javaCandidateColumnNames(filter);
}
return null;
}
protected boolean columnNamesTouches(int pos, CompilationUnit astRoot) {
return this.uniqueConstraintAnnotation.columnNamesTouches(pos, astRoot);
}
protected Iterator<String> javaCandidateColumnNames(Filter<String> filter) {
return StringTools.convertToJavaStringLiterals(this.candidateColumnNames(filter));
}
protected Iterator<String> candidateColumnNames(Filter<String> filter) {
return new FilteringIterator<String>(this.candidateColumnNames(), filter);
}
protected Iterator<String> candidateColumnNames() {
return this.owner.candidateUniqueConstraintColumnNames();
}
// ********** validation **********
public TextRange getValidationTextRange(CompilationUnit astRoot) {
return this.uniqueConstraintAnnotation.getTextRange(astRoot);
}
// ********** misc **********
public UniqueConstraintAnnotation getUniqueConstraintAnnotation() {
return this.uniqueConstraintAnnotation;
}
public void initializeFrom(ReadOnlyUniqueConstraint oldUniqueConstraint) {
for (String columnName : oldUniqueConstraint.getColumnNames()) {
this.addColumnName(columnName);
}
}
}
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