| /******************************************************************************* |
| * Copyright (c) 2007, 2009 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.context.orm; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| |
| import org.eclipse.jpt.core.context.Query; |
| import org.eclipse.jpt.core.context.QueryHint; |
| import org.eclipse.jpt.core.context.XmlContextNode; |
| import org.eclipse.jpt.core.context.java.JavaQuery; |
| import org.eclipse.jpt.core.context.orm.OrmQuery; |
| import org.eclipse.jpt.core.context.orm.OrmQueryHint; |
| import org.eclipse.jpt.core.resource.orm.OrmFactory; |
| import org.eclipse.jpt.core.resource.orm.XmlQuery; |
| import org.eclipse.jpt.core.resource.orm.XmlQueryHint; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.jpt.utility.internal.iterators.CloneIterator; |
| import org.eclipse.jpt.utility.internal.iterators.CloneListIterator; |
| |
| |
| public abstract class AbstractOrmQuery<E extends XmlQuery> extends AbstractOrmXmlContextNode |
| implements OrmQuery |
| { |
| |
| protected String name; |
| |
| protected String query; |
| |
| protected final List<OrmQueryHint> hints; |
| |
| protected E resourceQuery; |
| |
| protected AbstractOrmQuery(XmlContextNode parent, E resourceQuery) { |
| super(parent); |
| this.hints = new ArrayList<OrmQueryHint>(); |
| this.initialize(resourceQuery); |
| } |
| |
| protected E getResourceQuery() { |
| return this.resourceQuery; |
| } |
| |
| public String getName() { |
| return this.name; |
| } |
| |
| public void setName(String newName) { |
| String oldName = this.name; |
| this.name = newName; |
| this.getResourceQuery().setName(newName); |
| firePropertyChanged(Query.NAME_PROPERTY, oldName, newName); |
| } |
| |
| public String getQuery() { |
| return this.query; |
| } |
| |
| public void setQuery(String newQuery) { |
| String oldQuery = this.query; |
| this.query = newQuery; |
| this.getResourceQuery().setQuery(newQuery); |
| firePropertyChanged(Query.QUERY_PROPERTY, oldQuery, newQuery); |
| } |
| |
| public ListIterator<OrmQueryHint> hints() { |
| return new CloneListIterator<OrmQueryHint>(this.hints); |
| } |
| |
| public int hintsSize() { |
| return this.hints.size(); |
| } |
| |
| public OrmQueryHint addHint(int index) { |
| XmlQueryHint resourceQueryHint = OrmFactory.eINSTANCE.createXmlQueryHint(); |
| OrmQueryHint contextQueryHint = buildQueryHint(resourceQueryHint); |
| this.hints.add(index, contextQueryHint); |
| this.getResourceQuery().getHints().add(index, resourceQueryHint); |
| this.fireItemAdded(Query.HINTS_LIST, index, contextQueryHint); |
| return contextQueryHint; |
| } |
| |
| protected void addHint(int index, OrmQueryHint queryHint) { |
| addItemToList(index, queryHint, this.hints, Query.HINTS_LIST); |
| } |
| |
| protected void addHint(OrmQueryHint queryHint) { |
| this.addHint(this.hints.size(), queryHint); |
| } |
| |
| public void removeHint(QueryHint queryHint) { |
| removeHint(this.hints.indexOf(queryHint)); |
| } |
| |
| public void removeHint(int index) { |
| OrmQueryHint queryHint = this.hints.remove(index); |
| this.getResourceQuery().getHints().remove(index); |
| fireItemRemoved(Query.HINTS_LIST, index, queryHint); |
| } |
| |
| protected void removeHint_(OrmQueryHint queryHint) { |
| removeItemFromList(queryHint, this.hints, Query.HINTS_LIST); |
| } |
| |
| public void moveHint(int targetIndex, int sourceIndex) { |
| this.getResourceQuery().getHints().move(targetIndex, sourceIndex); |
| moveItemInList(targetIndex, sourceIndex, this.hints, Query.HINTS_LIST); |
| } |
| |
| |
| protected void initialize(E xmlQuery) { |
| this.resourceQuery = xmlQuery; |
| this.name = xmlQuery.getName(); |
| this.query = xmlQuery.getQuery(); |
| this.initializeHints(); |
| } |
| |
| protected void initializeHints() { |
| for (XmlQueryHint resourceQueryHint : this.resourceQuery.getHints()) { |
| this.hints.add(buildQueryHint(resourceQueryHint)); |
| } |
| } |
| |
| protected OrmQueryHint buildQueryHint(XmlQueryHint resourceQueryHint) { |
| return getXmlContextNodeFactory().buildOrmQueryHint(this, resourceQueryHint); |
| } |
| |
| public void update(E xmlQuery) { |
| this.resourceQuery = xmlQuery; |
| this.setName(xmlQuery.getName()); |
| this.setQuery(xmlQuery.getQuery()); |
| this.updateHints(); |
| getPersistenceUnit().addQuery(this); |
| } |
| |
| protected void updateHints() { |
| // make a copy of the XML hints (to prevent ConcurrentModificationException) |
| Iterator<XmlQueryHint> xmlHints = new CloneIterator<XmlQueryHint>(this.resourceQuery.getHints()); |
| |
| for (Iterator<OrmQueryHint> contextHints = this.hints(); contextHints.hasNext(); ) { |
| OrmQueryHint contextHint = contextHints.next(); |
| if (xmlHints.hasNext()) { |
| contextHint.update(xmlHints.next()); |
| } |
| else { |
| removeHint_(contextHint); |
| } |
| } |
| |
| while (xmlHints.hasNext()) { |
| addHint(buildQueryHint(xmlHints.next())); |
| } |
| } |
| |
| public boolean overrides(Query other) { |
| // this isn't ideal, but it will have to do until we have further adopter input |
| return (this.name != null) |
| && this.name.equals(other.getName()) |
| && (other instanceof JavaQuery); |
| } |
| |
| public boolean duplicates(Query other) { |
| return (this != other) |
| && ! StringTools.stringIsEmpty(this.name) |
| && this.name.equals(other.getName()) |
| && ! this.overrides(other) |
| && ! other.overrides(this); |
| } |
| |
| public TextRange getValidationTextRange() { |
| return this.getResourceQuery().getValidationTextRange(); |
| } |
| |
| public TextRange getNameTextRange() { |
| return this.getResourceQuery().getNameTextRange(); |
| } |
| |
| @Override |
| public void toString(StringBuilder sb) { |
| sb.append(this.name); |
| } |
| |
| } |