content: /**
   * 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.
   */
  package org.apache.solr.client.solrj.response;
  
  import org.apache.solr.common.util.NamedList;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * Holds stats info
   *
   * @version $Id: SpellCheckResponse.java 693622 2008-09-09 21:21:06Z gsingers $
   * @since solr 1.4
   */
  public class FieldStatsInfo implements Serializable {
    final String name;
    
    Double min;
    Double max;
    Double sum;
    Long count;
    Long missing;
    Double mean = null;
    Double sumOfSquares = null;
    Double stddev = null;
    
    Map<String,List<FieldStatsInfo>> facets;
    
    public FieldStatsInfo( NamedList<Object> nl, String fname )
    {
      name = fname;
      
      for( Map.Entry<String, Object> entry : nl ) {
        if( "min".equals( entry.getKey() ) ) {
          min = (Double)entry.getValue();
        }
        else if( "max".equals( entry.getKey() ) ) {
          max = (Double)entry.getValue();
        }
        else if( "sum".equals( entry.getKey() ) ) {
          sum = (Double)entry.getValue();
        }
        else if( "count".equals( entry.getKey() ) ) {
          count = (Long)entry.getValue();
        }
        else if( "missing".equals( entry.getKey() ) ) {
          missing = (Long)entry.getValue();
        }
        else if( "mean".equals( entry.getKey() ) ) {
          mean = (Double)entry.getValue();
        }
        else if( "sumOfSquares".equals( entry.getKey() ) ) {
          sumOfSquares = (Double)entry.getValue();
        }
        else if( "stddev".equals( entry.getKey() ) ) {
          stddev = (Double)entry.getValue();
        }
        else if( "facets".equals( entry.getKey() ) ) {
          NamedList<Object> fields = (NamedList<Object>)entry.getValue();
          facets = new HashMap<String, List<FieldStatsInfo>>();
          for( Map.Entry<String, Object> ev : fields ) {
            List<FieldStatsInfo> vals = new ArrayList<FieldStatsInfo>();
            facets.put( ev.getKey(), vals );
            NamedList<NamedList<Object>> vnl = (NamedList<NamedList<Object>>) ev.getValue();
            for( int i=0; i<vnl.size(); i++ ) {
              String n = vnl.getName(i);
              vals.add( new FieldStatsInfo( vnl.getVal(i), n ) );
            }
          }
        }
        else {
          throw new RuntimeException( "unknown key: "+entry.getKey() + " ["+entry.getValue()+"]" );
        }
      }
    }
    
    @Override
    public String toString()
    {
      StringBuilder sb = new StringBuilder();
      sb.append( name );
      sb.append( ": {" );
      if( min != null ) {
        sb.append( " min:").append( min );
      }
      if( max != null ) {
        sb.append( " max:").append( max );
      }
      if( sum != null ) {
        sb.append( " sum:").append( sum );
      }
      if( count != null ) {
        sb.append( " count:").append( count );
      }
      if( missing != null ) {
        sb.append( " missing:").append( missing );
      }
      if( mean != null ) {
        sb.append( " mean:").append( mean );
      }
      if( stddev != null ) {
        sb.append( " stddev:").append(stddev);
      }
      sb.append( " }" );
      return sb.toString();
    }
  
    public String getName() {
      return name;
    }
  
    public Double getMin() {
      return min;
    }
  
    public Double getMax() {
      return max;
    }
  
    public Double getSum() {
      return sum;
    }
  
    public Long getCount() {
      return count;
    }
  
    public Long getMissing() {
      return missing;
    }
  
    public Double getMean() {
      return mean;
    }
  
    public Double getStddev() {
      return stddev;
    }
  
    public Map<String, List<FieldStatsInfo>> getFacets() {
      return facets;
    }
    
  }
  