fr.expression4j.basic.impl
Class OperatorManagerImpl

java.lang.Object
  fr.expression4j.basic.impl.OperatorManagerImpl

All Implemented Interfaces:

OperatorManager

public class OperatorManagerImpl
extends java.lang.Object
implements OperatorManager

Constructor Summary

OperatorManagerImpl(java.lang.String name)

Method Summary

void	addOperatorImpl(OperatorImpl operatorImpl) Add an operator implementation to the manager.
MathematicalElement	computeValue(java.lang.String operatorName, MathematicalElement element) Eval an unary operator on given value.
MathematicalElement	computeValue(java.lang.String operatorName, MathematicalElement leftElement, MathematicalElement rightElement) Eval a binary operator on given values.
java.lang.String	getName() get operator manager name
OperatorImpl	getOperatorImpl(java.lang.String name) Get an operator impl.
java.util.List	getOperatorImplList() Get the list of operator impl.
void	removeOperatorImpl(OperatorImpl operatorImpl) Remove an operator implementation to the manager.

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorManagerImpl

public OperatorManagerImpl(java.lang.String name)

Method Detail

addOperatorImpl

public void addOperatorImpl(OperatorImpl operatorImpl)

Description copied from interface: OperatorManager

Add an operator implementation to the manager.

Specified by:

addOperatorImpl in interface OperatorManager

Parameters:

operatorImpl - operator to add.

removeOperatorImpl

public void removeOperatorImpl(OperatorImpl operatorImpl)

Description copied from interface: OperatorManager

Remove an operator implementation to the manager.

Specified by:

removeOperatorImpl in interface OperatorManager

Parameters:

operatorImpl - operator to remove.

computeValue

public MathematicalElement computeValue(java.lang.String operatorName,
                                        MathematicalElement element)
                                 throws EvalException

Description copied from interface: OperatorManager

Eval an unary operator on given value.

Specified by:

computeValue in interface OperatorManager

Parameters:

operatorName - operator to apply

element - value on wich apply the operator

Returns:

the evalued value.

Throws:

EvalException - if an error occurd (operator not define for the given element ...)

computeValue

public MathematicalElement computeValue(java.lang.String operatorName,
                                        MathematicalElement leftElement,
                                        MathematicalElement rightElement)
                                 throws EvalException

Description copied from interface: OperatorManager

Eval a binary operator on given values.

Specified by:

computeValue in interface OperatorManager

Parameters:

operatorName - operator to apply

leftElement - left value of operator

rightElement - right value of operator

Returns:

the evalued value

Throws:

EvalException - EvalException if an error occurd (operator not define for the given element ...)

getName

public java.lang.String getName()

Description copied from interface: OperatorManager

get operator manager name

Specified by:

getName in interface OperatorManager

Returns:

operator manager name

getOperatorImpl

public OperatorImpl getOperatorImpl(java.lang.String name)

Description copied from interface: OperatorManager

Get an operator impl.

Specified by:

getOperatorImpl in interface OperatorManager

Parameters:

name - operator impl to get.

Returns:

the operator impl if found. null otherwise.

getOperatorImplList

public java.util.List getOperatorImplList()

Description copied from interface: OperatorManager

Get the list of operator impl.

Specified by:

getOperatorImplList in interface OperatorManager

Returns:

list of operator impl as Sting.