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   *   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
   *
   *    https://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
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   *  specific language governing permissions and limitations
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   ****************************************************************/
  package org.apache.cayenne.map;
  
  import java.util.Map;
  
  import org.apache.cayenne.query.EntityResultSegment;
  import org.apache.cayenne.reflect.ClassDescriptor;
  
  /**
   * @since 3.0
   */
  public class DefaultEntityResultSegment implements EntityResultSegment {
  
      private ClassDescriptor classDescriptor;
      private Map<String, String> fields;
      private int offset;
  
      public DefaultEntityResultSegment(ClassDescriptor classDescriptor,
              Map<String, String> fields, int offset) {
          this.classDescriptor = classDescriptor;
          this.fields = fields;
          this.offset = offset;
      }
  
      public ClassDescriptor getClassDescriptor() {
          return classDescriptor;
      }
  
      public Map<String, String> getFields() {
          return fields;
      }
  
      public int getColumnOffset() {
          return offset;
      }
  
      public String getColumnPath(String resultSetLabel) {
  
          for (Map.Entry<String, String> entry : fields.entrySet()) {
              if (resultSetLabel.equals(entry.getValue())) {
                  return entry.getKey();
              }
          }
  
          return null;
      }
  }
  