Package org.eclipse.persistence.jpa.jpql.tools

Source Code of org.eclipse.persistence.jpa.jpql.tools.EclipseLinkRefactoringTool

/*******************************************************************************
* Copyright (c) 2011, 2013 Oracle and/or its affiliates. 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.persistence.jpa.jpql.tools;

import org.eclipse.persistence.jpa.jpql.tools.model.EclipseLinkActualJPQLQueryFormatter;
import org.eclipse.persistence.jpa.jpql.tools.model.IJPQLQueryBuilder;
import org.eclipse.persistence.jpa.jpql.tools.model.IJPQLQueryFormatter;
import org.eclipse.persistence.jpa.jpql.tools.spi.IManagedTypeProvider;

/**
* This refactoring tool add support for EclipseLink specific extension over the default
* implementation of JPQL defined in the Java Persistence functional specification.
* <p>
* Provided functionality:
* <ul>
* <li>Renaming an identification variable;</li>
* <li>Renaming a state field or collection-valued field;</li>
* <li>Renaming an entity name;</li>
* <li>Renaming a {@link Class} name (e.g.: in constructor expression);</li>
* <li>Renaming an {@link Enum} constant.</li>
* </ul>
* <p>
* Provisional API: This interface is part of an interim API that is still under development and
* expected to change significantly before reaching stability. It is available at this early stage
* to solicit feedback from pioneering adopters on the understanding that any code that uses this
* API will almost certainly be broken (repeatedly) as the API evolves.
*
* @see DefaultRefactoringTool
*
* @version 2.4
* @since 2.4
* @author Pascal Filion
*/
public class EclipseLinkRefactoringTool extends RefactoringTool {

  /**
   * Creates a new <code>EclipseLinkRefactoringTool</code>.
   *
   * @param managedTypeProvider The external form of a provider that gives access to the JPA metadata
   * @param jpqlQueryBuilder The builder that creates the {@link org.eclipse.persistence.jpa.jpql.
   * model.query.StateObject StateObject} representation of the JPQL query
   * @param jpqlQuery The JPQL query to manipulate
   */
  public EclipseLinkRefactoringTool(IManagedTypeProvider managedTypeProvider,
                                    IJPQLQueryBuilder jpqlQueryBuilder,
                                    CharSequence jpqlQuery) {

    super(managedTypeProvider, jpqlQueryBuilder, jpqlQuery);
  }

  /**
   * Creates a new <code>EclipseLinkRefactoringTool</code>.
   *
   * @param managedTypeProvider The external form of a provider that gives access to the JPA metadata
   * @param jpqlQueryBuilder The builder that creates the {@link org.eclipse.persistence.jpa.jpql.
   * model.query.StateObject StateObject} representation of the JPQL query
   * @param jpqlFragment The JPQL query to manipulate or a single JPQL fragment, which is parsed
   * using the JPQL query BNF identifier by the given ID
   * @param jpqlQueryBNFId The unique identifier of the {@link org.eclipse.persistence.jpa.jpql.
   * parser.JPQLQueryBNF JPQLQueryBNF} that determines how to parse the JPQL fragment
   */
  public EclipseLinkRefactoringTool(IManagedTypeProvider managedTypeProvider,
                                    IJPQLQueryBuilder jpqlQueryBuilder,
                                    CharSequence jpqlFragment,
                                    String jpqlQueryBNFId) {

    super(managedTypeProvider, jpqlQueryBuilder, jpqlFragment, jpqlQueryBNFId);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  protected IJPQLQueryFormatter buildFormatter() {
    return new EclipseLinkActualJPQLQueryFormatter(true);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  protected JPQLQueryContext buildJPQLQueryContext() {
    return new EclipseLinkJPQLQueryContext(getGrammar());
  }
}
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