net.sf.mmm.persistence.impl.jpa.query.jpql.JpqlWhereClauseImpl Maven / Gradle / Ivy

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/* Copyright (c) The m-m-m Team, Licensed under the Apache License, Version 2.0
 * http://www.apache.org/licenses/LICENSE-2.0 */
package net.sf.mmm.persistence.impl.jpa.query.jpql;

import net.sf.mmm.persistence.api.query.jpql.JpqlCore;
import net.sf.mmm.persistence.api.query.jpql.JpqlOrderByClause;
import net.sf.mmm.persistence.api.query.jpql.JpqlWhereClause;
import net.sf.mmm.util.lang.api.SortOrder;

/**
 * This is the implementation of {@link JpqlWhereClause}.
 * 
 * @param  is the generic type of the {@link #getEntityType() entity type}.
 * 
 * @author Joerg Hohwiller (hohwille at users.sourceforge.net)
 * @since 0.9.0
 */
public class JpqlWhereClauseImpl extends AbstractJpqlConditionalExpression> implements
    JpqlWhereClause {

  /**
   * The constructor.
   * 
   * @param context is the {@link JpqlContext}.
   * @param propertyBasePath - see {@link #getPropertyBasePath()}.
   */
  public JpqlWhereClauseImpl(JpqlContext context, String propertyBasePath) {

    super(context, propertyBasePath);
    context.getQueryBuffer().append(JpqlCore.JPQL_WHERE);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public JpqlOrderByClause orderBy(String property) {

    return orderBy(property, null);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public JpqlOrderByClause orderBy(String property, SortOrder order) {

    dispose();
    JpqlOrderByClauseImpl orderByClause = new JpqlOrderByClauseImpl(getContext(), getPropertyBasePath(),
        property, order);
    return orderByClause;
  }

}