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Lucene example source code file (FieldDateResolutionMapAttributeImpl.java)

This example Lucene source code file (FieldDateResolutionMapAttributeImpl.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

attributeimpl, fielddateresolutionmapattribute, fielddateresolutionmapattributeimpl, fielddateresolutionmapattributeimpl, hashmap, map, map, override, override, resolution, string, unsupportedoperationexception, unsupportedoperationexception, util

The Lucene FieldDateResolutionMapAttributeImpl.java source code

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 java.util.HashMap;
import java.util.Map;

import org.apache.lucene.document.DateTools;
import org.apache.lucene.document.DateTools.Resolution;
import org.apache.lucene.util.AttributeImpl;

/**
 * This attribute enables the user to define a default DateResolution per field.
 * it's used by {@link FieldDateResolutionFCListener#buildFieldConfig(org.apache.lucene.queryParser.core.config.FieldConfig)}
 *
 * @see FieldDateResolutionMapAttribute
 */
public class FieldDateResolutionMapAttributeImpl extends AttributeImpl 
				implements FieldDateResolutionMapAttribute {

  private static final long serialVersionUID = -2104763012523049527L;

  { enableBackwards = false; }
  
  private Map<CharSequence, DateTools.Resolution> dateRes = new HashMap();
  

  public FieldDateResolutionMapAttributeImpl() {
    // empty constructor
  }

  public void setFieldDateResolutionMap(Map<CharSequence, DateTools.Resolution> dateRes) {
    this.dateRes = dateRes;
  }
  
  public Map<CharSequence, Resolution> getFieldDateResolutionMap() {
    return this.dateRes;
  }

  @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 FieldDateResolutionMapAttributeImpl
        && ((FieldDateResolutionMapAttributeImpl) other).dateRes.equals(this.dateRes) ) {

      return true;

    }

    return false;

  }

  @Override
  public int hashCode() {
    final int prime = 97;
    if (this.dateRes != null) 
      return this.dateRes.hashCode() * prime;
    else 
      return Float.valueOf(prime).hashCode();
  }

  @Override
  public String toString() {
    return "<fieldDateResolutionMapAttribute map=" + this.dateRes + "/>";
  }

}

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