fr.expression4j.factory
Class OperatorFactory

java.lang.Object
  fr.expression4j.factory.OperatorFactory

public class OperatorFactory
extends java.lang.Object

manage operators define by the framework.

Author:

SGINER

Constructor Summary

OperatorFactory()

Method Summary

static void	addOperator(Operator operator)
static Operator	createOperator(java.lang.String name, java.lang.String symbol, boolean isUnary) Create an operator.
static Operator	getOperator(java.lang.String name) get the given operator name
static java.util.List	getOperatorList() return operator list as String

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorFactory

public OperatorFactory()

Method Detail

createOperator

public static Operator createOperator(java.lang.String name,
                                      java.lang.String symbol,
                                      boolean isUnary)

Create an operator.

Parameters:

name - operator name

symbol - symbol associated to the operator

isUnary - tel if operator is an unary operator or not.

Returns:

the created operator.

addOperator

public static void addOperator(Operator operator)

getOperatorList

public static java.util.List getOperatorList()

return operator list as String

Returns:

the operator list.

getOperator

public static Operator getOperator(java.lang.String name)

get the given operator name

Parameters:

name - name of the operator

Returns:

the requested operator if found, null otherwise.