uk.org.ogsadai.expression.arithmetic
Class Plus

java.lang.Object
  uk.org.ogsadai.expression.arithmetic.BinaryExpression
      uk.org.ogsadai.expression.arithmetic.Plus

All Implemented Interfaces:

ArithmeticExpression

public class Plus
extends BinaryExpression

Plus expression.

Author:

The OGSA-DAI Project Team.

Field Summary

Fields inherited from class uk.org.ogsadai.expression.arithmetic.BinaryExpression

mContextType, mEval, mLeftChild, mOriginalType, mRightChild, mType

Constructor Summary

Plus(ArithmeticExpression child1, ArithmeticExpression child2)
Constructs a new expression with the given operands.

Plus(ArithmeticExpression child1, ArithmeticExpression child2, Plus plus)
Constructs a copy of the given plus expression with the given operands.

Method Summary

void	accept(ArithmeticExpressionVisitor visitor) Accept an arithmetic expression visitor.
java.lang.Number	localEvaluate(java.lang.Number value1, java.lang.Number value2) Performs operation specific evaluation.
protected void	printOperator(java.lang.StringBuffer buf) Append the operator name (e.g.

Methods inherited from class uk.org.ogsadai.expression.arithmetic.BinaryExpression

configure, configure, evaluate, getChildren, getLeftExpression, getMetadata, getResult, getRightExpression, resetType, setContextType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Plus

public Plus(ArithmeticExpression child1,
            ArithmeticExpression child2)

Constructs a new expression with the given operands.

Parameters:

child1 - left hand operand

child2 - right hand operand

Plus

public Plus(ArithmeticExpression child1,
            ArithmeticExpression child2,
            Plus plus)

Constructs a copy of the given plus expression with the given operands.

Parameters:

child1 - left hand operand

child2 - right hand operand

plus - expression to copy

Method Detail

localEvaluate

public java.lang.Number localEvaluate(java.lang.Number value1,
                                      java.lang.Number value2)

Performs operation specific evaluation.

Specified by:

localEvaluate in class BinaryExpression

Parameters:

value1 - left hand side value

value2 - right hand side value

Returns:

result of the evaluation

accept

public void accept(ArithmeticExpressionVisitor visitor)

Accept an arithmetic expression visitor.

printOperator

protected void printOperator(java.lang.StringBuffer buf)

Append the operator name (e.g. "+") to the given string buffer.

Specified by:

printOperator in class BinaryExpression

Parameters:

buf - buffer