org.apache.openjpa.kernel.exps
Class Subtract

java.lang.Object
  org.apache.openjpa.kernel.exps.Val
      org.apache.openjpa.kernel.exps.MathVal
          org.apache.openjpa.kernel.exps.Subtract

All Implemented Interfaces:

Serializable, Value

 class Subtract
extends MathVal

Value produced by one value being subtracted from another.

Author:

Abe White

Constructor Summary

Subtract(Val val1, Val val2)
Constructor.

Method Summary

protected Object

operate(Object o1, Class c1, Object o2, Class c2) Return the result of this mathematical operation on the two values.

Methods inherited from class org.apache.openjpa.kernel.exps.MathVal

acceptVisit, eval, getType, setImplicitType

Methods inherited from class org.apache.openjpa.kernel.exps.Val

eval, evaluate, evaluate, getAlias, getMetaData, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, setMetaData

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Subtract

public Subtract(Val val1,
                Val val2)

Constructor. Provide the values to subtract.

Method Detail

operate

protected Object operate(Object o1,
                         Class c1,
                         Object o2,
                         Class c2)

Description copied from class: MathVal

Return the result of this mathematical operation on the two values.

Specified by:

operate in class MathVal