code: package it.unibz.inf.ontop.spec.ontology.impl;
  
  import it.unibz.inf.ontop.spec.ontology.DataPropertyExpression;
  import it.unibz.inf.ontop.spec.ontology.DataPropertyRangeExpression;
  
  public class DataPropertyRangeExpressionImpl implements DataPropertyRangeExpression {
  
  	private final DataPropertyExpression property;
  	private final String string;
  
  	DataPropertyRangeExpressionImpl(DataPropertyExpression property) {
  		this.property = property;
  		StringBuilder bf = new StringBuilder();
  		bf.append("E");
  		bf.append(property.toString());
  		this.string =  bf.toString();
  	}
  
  	@Override
  	public DataPropertyExpression getProperty() {
  		return property;
  	}
  
  	@Override
  	public boolean equals(Object obj) {
  		if (obj instanceof DataPropertyRangeExpressionImpl) {
  			DataPropertyRangeExpressionImpl other = (DataPropertyRangeExpressionImpl) obj;
  			return property.equals(other.property);
  		}
  		return false;
  	}
  
  	@Override
  	public int hashCode() {
  		return string.hashCode();
  	}
  
  	@Override
  	public String toString() {
  		return string;
  	}
  
  }
  