package org.apache.lucene.queryParser.standard.config;

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import org.apache.lucene.document.DateTools;
import org.apache.lucene.document.DateTools.Resolution;
import org.apache.lucene.queryParser.core.config.AbstractQueryConfig;
import org.apache.lucene.queryParser.core.config.ConfigAttribute;
import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
import org.apache.lucene.queryParser.standard.processors.ParametricRangeQueryNodeProcessor;
import org.apache.lucene.util.AttributeImpl;

/**
 * This attribute is used by {@link ParametricRangeQueryNodeProcessor} processor
 * and must be defined in the {@link QueryConfigHandler}. This attribute tells
 * the processor which {@link Resolution} to use when parsing the date. <br/>
 * 
 * @see org.apache.lucene.queryParser.standard.config.DateResolutionAttribute
 * 
 * @deprecated
 * 
 */
@Deprecated
public class DateResolutionAttributeImpl extends AttributeImpl 
				implements DateResolutionAttribute, ConfigAttribute {

  private static final long serialVersionUID = -6804360312723049526L;

  { enableBackwards = false; }
  
  private AbstractQueryConfig config;
  
  public DateResolutionAttributeImpl() {}

  public void setDateResolution(DateTools.Resolution dateResolution) {
    config.set(ConfigurationKeys.DATE_RESOLUTION, dateResolution);
  }

  public DateTools.Resolution getDateResolution() {
    return config.get(ConfigurationKeys.DATE_RESOLUTION);
  }

  @Override
  public void clear() {
    throw new UnsupportedOperationException();
  }

  @Override
  public void copyTo(AttributeImpl target) {
    throw new UnsupportedOperationException();
  }

  @Override
  public boolean equals(Object other) {

    if (other instanceof DateResolutionAttributeImpl) {
    	DateResolutionAttributeImpl dateResAttr = (DateResolutionAttributeImpl) other;

      if (dateResAttr.getDateResolution() == getDateResolution()
          || dateResAttr.getDateResolution().equals(getDateResolution())) {

        return true;

      }

    }

    return false;

  }

  @Override
  public int hashCode() {
    DateTools.Resolution resolution = getDateResolution();
    return (resolution == null) ? 0 : resolution.hashCode();
  }

  @Override
  public String toString() {
    return "<dateResolutionAttribute dateResolution='" + getDateResolution()
        + "'/>";
  }
  
  public void setQueryConfigHandler(AbstractQueryConfig config) {
    this.config = config;
  }

}