fr.expression4j.basic
Interface Operator

All Known Implementing Classes:

GenericOperator, OperatorDivide, OperatorMinus, OperatorMultiply, OperatorPlus, OperatorPow, OperatorUnaryMinus, OperatorUnaryPlus

public interface Operator

Interface used to define an operator (like +, -, * ...)

Author:

SGINER

Field Summary

static java.lang.String	OPERATOR_DIVIDE
static java.lang.String	OPERATOR_MINUS
static java.lang.String	OPERATOR_MULTIPLY
static java.lang.String	OPERATOR_PLUS
static java.lang.String	OPERATOR_POW
static java.lang.String	OPERATOR_UNARY_MINUS
static java.lang.String	OPERATOR_UNARY_PLUS

Method Summary

java.lang.String	getName() Get the name of the operator.
java.lang.String	getSymbol() Get the symbol associated to the operator (like +, -, AND ...).
boolean	isUnary() Tell if operator is an unary operator.

Field Detail

OPERATOR_DIVIDE

static final java.lang.String OPERATOR_DIVIDE

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Constant Field Values

OPERATOR_MULTIPLY

static final java.lang.String OPERATOR_MULTIPLY

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Constant Field Values

OPERATOR_PLUS

static final java.lang.String OPERATOR_PLUS

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Constant Field Values

OPERATOR_MINUS

static final java.lang.String OPERATOR_MINUS

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Constant Field Values

OPERATOR_POW

static final java.lang.String OPERATOR_POW

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Constant Field Values

OPERATOR_UNARY_PLUS

static final java.lang.String OPERATOR_UNARY_PLUS

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Constant Field Values

OPERATOR_UNARY_MINUS

static final java.lang.String OPERATOR_UNARY_MINUS

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Constant Field Values

Method Detail

isUnary

boolean isUnary()

Tell if operator is an unary operator.

Returns:

true if operator is an unary operator, false otherwise.

getName

java.lang.String getName()

Get the name of the operator.

Returns:

the name of the operator.

getSymbol

java.lang.String getSymbol()

Get the symbol associated to the operator (like +, -, AND ...). This symbol is used by the parser to identify the operator.

Returns:

the symbol associated to the operator.