Application: gvSIG desktop » Library: org.gvsig.tools

  public boolean isObject();

  public boolean isDynObject();

  public boolean isContainer();

  public boolean isNumeric();

  public String getName();

  public int getType();

  public Class getDefaultClass();

  public String getSubtype();

  public Coercion getCoercion();

  public void addCoercion(Coercion coercion);

  public Object coerce(Object value) throws CoercionException;

  public Object coerce(Object value, CoercionContext context) throws CoercionException;

  public String getIconName();

  @Override

  public DataType clone() throws CloneNotSupportedException;

  public Object coerce(Object value, CoercionContext context) throws CoercionException {

    // http://en.wikipedia.org/wiki/Type_conversion#Implicit_type_conversion

    if (this.coercion != null) {

      return this.coercion.coerce(value, context);

    }

    if (defaultClass == null) {

      return value; // ??

    }

    if (defaultClass.isInstance(value)) {

      return value;

    }

    throw new CoercionException();

  }

  @Override

      if( theContext.hasScale() ) {

        // Ojo, que este set no es un set. Contruye un nuevo BigDecimal, no

        // modifica el existente.

        num = num.setScale(theContext.scale(), theContext.roundMode());

      }

   * hasScale() to false if it has no limit.

  public boolean hasScale();

    // Precision 0 => MathContext.UNLIMITED

    // scale <0 ==> Sin scale.

    this.scale = scale;

    this(locale, precision, scale, BigDecimal.ROUND_HALF_UP);

    this(locale, 0, -1, BigDecimal.ROUND_HALF_UP);

  public boolean hasScale() {

    return this.scale>=0;

  }

  @Override