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package com.techempower.data.mapping;

import java.lang.reflect.*;

/**
 * Used by {@link com.techempower.data.EntityGroup}.  Maps a Field (variable) to a
 * database field name.
 */
public class DataFieldToVariableMap
  extends    DataFieldToObjectEntityMap
{
  
  //
  // Variables.
  //
  
  private final Field  variable;
  
  //
  // Methods.
  //

  /**
   * Utility constructor.
   */
  public DataFieldToVariableMap(Field variable, String fieldName, int fieldType)
  {
    super(fieldName, fieldType);
    this.variable  = variable;
  }

  /**
   * Get the variable.
   */
  public Field getVariable()
  {
    return this.variable;
  }

  /**
   * Basic toString.
   */
  @Override
  public String toString()
  {
    return "DFTVM [" + this.getFieldName() + "; " + this.getFieldType() + "]";
  }

  @Override
  public boolean equals(Object o)
  {
    if (!(o instanceof DataFieldToVariableMap))
    {
      return false;
    }

    return ((DataFieldToVariableMap)o).getFieldName().equals(this.getFieldName()) 
        && ((DataFieldToVariableMap)o).variable.equals(this.variable);
  }

	@Override
  public int hashCode()
  {
	  return super.hashCode();
  }

}   // End DataFieldToVariableMap.