code: package it.unibz.inf.vig_mappings_analyzer.datatypes;
  
  
  public class Field{
  	public final String tableName;
  	public final String colName;
  	
  	public Field(String tableName, String colName){
  		this.tableName = tableName;
  		this.colName = colName;
  	}
  	
  	@Override
  	public boolean equals(Object obj) {
  		boolean result = false;
  		if( obj instanceof Field ){
  			Field other = (Field) obj;
  			result = (this.tableName.equals(other.tableName)) && (this.colName.equals(other.colName));
  		}
  		return result;
  	}
  	
  	@Override
  	public int hashCode() {
  		return (this.tableName + "." + this.colName).hashCode();
  	}
  	
  	@Override
  	public String toString(){
  		return this.tableName + "." + this.colName;
  	}
  };
  