net.sourceforge.plantuml.evalex

Class AbstractOperator

java.lang.Object

net.sourceforge.plantuml.evalex.AbstractLazyOperator

net.sourceforge.plantuml.evalex.AbstractOperator

All Implemented Interfaces:

LazyOperator, Operator

Direct Known Subclasses:

AbstractUnaryOperator, Expression.Operator

public abstract class AbstractOperator
extends AbstractLazyOperator
implements Operator

Abstract implementation of an operator.

Field Summary

Fields inherited from class net.sourceforge.plantuml.evalex.AbstractLazyOperator

booleanOperator, leftAssoc, oper, precedence

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractOperator(java.lang.String oper, int precedence, boolean leftAssoc) Creates a new operator.
protected	AbstractOperator(java.lang.String oper, int precedence, boolean leftAssoc, boolean booleanOperator) Creates a new operator.

Method Summary

Modifier and Type	Method and Description
Expression.LazyNumber	eval(Expression.LazyNumber v1, Expression.LazyNumber v2) Implementation for this operator.

Methods inherited from class net.sourceforge.plantuml.evalex.AbstractLazyOperator

getOper, getPrecedence, isBooleanOperator, isLeftAssoc

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sourceforge.plantuml.evalex.Operator

eval

Methods inherited from interface net.sourceforge.plantuml.evalex.LazyOperator

getOper, getPrecedence, isBooleanOperator, isLeftAssoc

Constructor Detail

AbstractOperator

protected AbstractOperator(java.lang.String oper,
                           int precedence,
                           boolean leftAssoc,
                           boolean booleanOperator)

Creates a new operator.

Parameters:

oper - The operator name (pattern).

precedence - The operators precedence.

leftAssoc - true if the operator is left associative, else false.

booleanOperator - Whether this operator is boolean.

AbstractOperator

protected AbstractOperator(java.lang.String oper,
                           int precedence,
                           boolean leftAssoc)

Creates a new operator.

Parameters:

oper - The operator name (pattern).

precedence - The operators precedence.

leftAssoc - true if the operator is left associative, else false.

Method Detail

eval

public Expression.LazyNumber eval(Expression.LazyNumber v1,
                                  Expression.LazyNumber v2)

Description copied from interface: LazyOperator

Implementation for this operator.

Specified by:

eval in interface LazyOperator

Parameters:

v1 - Operand 1.

v2 - Operand 2.

Returns:

The result of the operation.