fr.expression4j.sample.custom.element
Class OperatorPlusStringString

java.lang.Object
  fr.expression4j.sample.custom.element.OperatorPlusStringString

All Implemented Interfaces:

OperatorImpl

public class OperatorPlusStringString
extends java.lang.Object
implements OperatorImpl

implement plus operation between a string and a string.

Author:

SGINER

Constructor Summary

OperatorPlusStringString()

Method Summary

MathematicalElement	compute(MathematicalElement leftElement, MathematicalElement rightElement) Set the operator to the given element.
int	getLeftOperandeType() Get the left operande managed by this operator implementation.
java.lang.String	getOperatorName() Get the operator name associated to this operator implementation.
int	getRightOperandeType() Get the right operande managed by this operator implementation.
boolean	isUnaryOperator() Tell if operator is an unary or bynary operator.

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorPlusStringString

public OperatorPlusStringString()

Method Detail

compute

public MathematicalElement compute(MathematicalElement leftElement,
                                   MathematicalElement rightElement)
                            throws EvalException

Description copied from interface: OperatorImpl

Set the operator to the given element.

Specified by:

compute in interface OperatorImpl

Parameters:

leftElement - left element for operator.

rightElement - right element for operator.

Returns:

result.

Throws:

EvalException

getLeftOperandeType

public int getLeftOperandeType()

Description copied from interface: OperatorImpl

Get the left operande managed by this operator implementation.

Specified by:

getLeftOperandeType in interface OperatorImpl

Returns:

the left operande type of the operator.

getOperatorName

public java.lang.String getOperatorName()

Description copied from interface: OperatorImpl

Get the operator name associated to this operator implementation.

Specified by:

getOperatorName in interface OperatorImpl

Returns:

the operator name associated to this operator implementation.

getRightOperandeType

public int getRightOperandeType()

Description copied from interface: OperatorImpl

Get the right operande managed by this operator implementation.

Specified by:

getRightOperandeType in interface OperatorImpl

Returns:

the right operande type of the operator.

isUnaryOperator

public boolean isUnaryOperator()

Description copied from interface: OperatorImpl

Tell if operator is an unary or bynary operator.

Specified by:

isUnaryOperator in interface OperatorImpl

Returns:

true if operator is unary.