/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.reporting.ui.datasources.reflection;

/**
 * A common data-object for representing named queries.
 */
public class DataSetQuery implements Cloneable {
  private String queryName;
  private String query;

  public DataSetQuery( final String queryName, final String query ) {
    //noinspection ConstantConditions
    if ( queryName == null ) {
      throw new IllegalArgumentException( "queryName must not be null" );
    }
    //noinspection ConstantConditions
    if ( query == null ) {
      throw new IllegalArgumentException( "query must not be null" );
    }

    this.queryName = queryName;
    this.query = query;
  }

  public String getQueryName() {
    return queryName;
  }

  public void setQueryName( final String queryName ) {
    //noinspection ConstantConditions
    if ( queryName == null ) {
      throw new IllegalArgumentException( "queryName must not be null" );
    }

    this.queryName = queryName;
  }

  public String getQuery() {
    return query;
  }

  public void setQuery( final String query ) {
    this.query = query;
  }

  public String toString() {
    return queryName.length() > 0 ? queryName : " ";
  }

  public boolean equals( final Object o ) {
    if ( this == o ) {
      return true;
    }
    if ( o == null || getClass() != o.getClass() ) {
      return false;
    }

    final DataSetQuery that = (DataSetQuery) o;

    if ( queryName != null ? !queryName.equals( that.queryName ) : that.queryName != null ) {
      return false;
    }

    return true;
  }

  public int hashCode() {
    return ( queryName != null ? queryName.hashCode() : 0 );
  }

  protected Object clone() throws CloneNotSupportedException {
    return super.clone();
  }
}