/*
 * Copyright 2015 Corpuslinguistic working group Humboldt University Berlin.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package annis.gui.objects;

import com.google.common.base.Preconditions;
import java.util.Objects;
import java.util.Set;
import java.util.TreeSet;

/**
 * The query state of the actual displayed result query.
 * @author Thomas Krause <krauseto@hu-berlin.de>
 */
public class DisplayedResultQuery extends PagedResultQuery
{
  private Set<Long> selectedMatches = new TreeSet<>();
  private String baseText;
  
  public Set<Long> getSelectedMatches()
  {
    return selectedMatches;
  }

  public void setSelectedMatches(Set<Long> selectedMatches)
  {
    Preconditions.checkNotNull(selectedMatches, "The selected matches set of a paged result query must never be null (but can be empty)");
    this.selectedMatches = selectedMatches;
  }

  public String getBaseText()
  {
    return baseText;
  }

  public void setBaseText(String baseText)
  {
    this.baseText = baseText;
  }
  
  @Override
  public int hashCode()
  {
    return Objects.hash(getCorpora(), getQuery(), getLeftContext(), getRightContext(), getSegmentation(), 
      getLimit(), getOffset(), getOrder(), getBaseText(), getSelectedMatches());
  }

  @Override
  public boolean equals(Object obj)
  {
    if (obj == null)
    {
      return false;
    }
    if (getClass() != obj.getClass())
    {
      return false;
    }
    final DisplayedResultQuery other = (DisplayedResultQuery) obj;
    return
      Objects.equals(getQuery(), other.getQuery())
      && Objects.equals(getCorpora(), other.getCorpora())
      && Objects.equals(getLeftContext(), other.getLeftContext())
      && Objects.equals(getRightContext(), other.getRightContext())
      && Objects.equals(getSegmentation(), other.getSegmentation())
      && Objects.equals(getLimit(), other.getLimit())
      && Objects.equals(getOffset(), other.getOffset())
      && Objects.equals(getOrder(), other.getOrder())
      && Objects.equals(getBaseText(), other.getBaseText())
      && Objects.equals(getSelectedMatches(), other.getSelectedMatches());
  }
}