net.sourceforge.plantuml.evalex

Class AbstractLazyOperator

java.lang.Object

net.sourceforge.plantuml.evalex.AbstractLazyOperator

All Implemented Interfaces:

LazyOperator

Direct Known Subclasses:

AbstractOperator

public abstract class AbstractLazyOperator
extends java.lang.Object
implements LazyOperator

Abstract implementation of an operator.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	booleanOperator Whether this operator is boolean or not.
protected boolean	leftAssoc Operator is left associative.
protected java.lang.String	oper This operators name (pattern).
protected int	precedence Operators precedence.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
java.lang.String	getOper() Gets the String that is used to denote the operator in the expression.
int	getPrecedence() Gets the precedence value of this operator.
boolean	isBooleanOperator() Gets whether this operator evaluates to a boolean expression.
boolean	isLeftAssoc() Gets whether this operator is left associative (true) or if this operator is right associative (false).

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.LazyOperator

eval

Field Detail

oper

protected java.lang.String oper

This operators name (pattern).

precedence

protected int precedence

Operators precedence.

leftAssoc

protected boolean leftAssoc

Operator is left associative.

booleanOperator

protected boolean booleanOperator

Whether this operator is boolean or not.

Constructor Detail

AbstractLazyOperator

protected AbstractLazyOperator(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.

AbstractLazyOperator

protected AbstractLazyOperator(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

getOper

public java.lang.String getOper()

Description copied from interface: LazyOperator

Gets the String that is used to denote the operator in the expression.

Specified by:

getOper in interface LazyOperator

Returns:

The String that is used to denote the operator in the expression.

getPrecedence

public int getPrecedence()

Description copied from interface: LazyOperator

Gets the precedence value of this operator.

Specified by:

getPrecedence in interface LazyOperator

Returns:

the precedence value of this operator.

isLeftAssoc

public boolean isLeftAssoc()

Description copied from interface: LazyOperator

Gets whether this operator is left associative (true) or if this operator is right associative (false).

Specified by:

isLeftAssoc in interface LazyOperator

Returns:

true if this operator is left associative.

isBooleanOperator

public boolean isBooleanOperator()

Description copied from interface: LazyOperator

Gets whether this operator evaluates to a boolean expression.

Specified by:

isBooleanOperator in interface LazyOperator

Returns:

true if this operator evaluates to a boolean expression.