| /******************************************************************************* |
| * Copyright (c) 2011 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 |
| * which accompanies this distribution. |
| * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html |
| * and the Eclipse Distribution License is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| * |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.internal.jpql; |
| |
| import org.eclipse.jpt.common.utility.internal.StringTools; |
| import org.eclipse.jpt.jpa.core.context.NamedQuery; |
| import org.eclipse.persistence.jpa.jpql.spi.IQuery; |
| |
| /** |
| * The concrete implementation of {@link IQuery} that is wrapping the design-time representation |
| * of a JPQL query. |
| * |
| * @version 3.0 |
| * @since 3.0 |
| * @author Pascal Filion |
| */ |
| @SuppressWarnings("nls") |
| public final class JpaQuery implements IQuery { |
| |
| /** |
| * The actual JPQL query, which can differ from the one owned by the model object, which happens |
| * when the model is out of sync because it has not been updated yet. |
| */ |
| private String actualQuery; |
| |
| /** |
| * The provider of managed types. |
| */ |
| private JpaManagedTypeProvider provider; |
| |
| /** |
| * The model object holding onto the JPQL query. |
| */ |
| private NamedQuery query; |
| |
| /** |
| * Creates a new <code>JpaQuery</code>. |
| * |
| * @param provider The provider of managed types |
| * @param query The model object of the JPQL query |
| */ |
| public JpaQuery(JpaManagedTypeProvider provider, NamedQuery query) { |
| this(provider, query, query.getQuery()); |
| } |
| |
| /** |
| * Creates a new <code>JpaQuery</code>. |
| * |
| * @param provider The provider of managed types |
| * @param query The model object of the JPQL query |
| * @param actualQuery The actual JPQL query, which can differ from the one owned by the model |
| * object, which happens when the model is out of sync because it has not been updated yet |
| */ |
| JpaQuery(JpaManagedTypeProvider provider, NamedQuery query, String actualQuery) { |
| super(); |
| initialize(provider, query, actualQuery); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getExpression() { |
| return actualQuery; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public JpaManagedTypeProvider getProvider() { |
| return provider; |
| } |
| |
| /** |
| * Returns the encapsulated {@link NamedQuery}, which is the actual object. |
| * |
| * @return The design-time representation of a JPQL query |
| */ |
| NamedQuery getQuery() { |
| return query; |
| } |
| |
| private void initialize(JpaManagedTypeProvider provider, NamedQuery query, String actualQuery) { |
| |
| this.query = query; |
| this.provider = provider; |
| this.actualQuery = actualQuery; |
| |
| if (this.actualQuery == null) { |
| this.actualQuery = StringTools.EMPTY_STRING; |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(super.toString()); |
| sb.append(", query="); |
| sb.append(getExpression()); |
| return sb.toString(); |
| } |
| } |