org.pfsw.reflect
Class NumericFieldProxy<T>

java.lang.Object
  org.pfsw.reflect.FieldProxy<T>
      org.pfsw.reflect.NumericFieldProxy<T>

All Implemented Interfaces:

IValueHolder<T>

Direct Known Subclasses:

BigDecimalFieldProxy, IntegerFieldProxy, LongFieldProxy

public abstract class NumericFieldProxy<T>
extends FieldProxy<T>

Provides an abstract field proxy for numeric types which offers some extra convenience methods for basic calculation.

NumericFieldProxy

protected NumericFieldProxy(java.lang.Object owner,
                            java.lang.reflect.Field field)

NumericFieldProxy

protected NumericFieldProxy(java.lang.Object owner,
                            java.lang.String fieldName)

inc

public T inc()

Increments this field's value by 1, stores the result in the field and returns it.

dec

public T dec()

Decrements this field's value by 1, stores the result in the field and returns it.

subtract

public T subtract(T value)

Subtracts the given value from this field's value, stores the result in the field and returns it.

add

public abstract T add(T value)

Adds the given value to this field's value and returns the result.

multiply

public abstract T multiply(T value)

Multiplies this field's value with the given value, stores the result in the field and returns the result.

divide

public abstract T divide(T value)

Divides this field's value by the given value, stores the result in the field and returns the result.

negate

protected abstract T negate(T value)

Returns the negated value of the given value.

one

protected abstract T one()

Returns the representation of 1 as type T.

changeToValue

protected T changeToValue(T value)