org.scijava.sjep

Class DefaultOperator

java.lang.Object

org.scijava.sjep.AbstractToken

org.scijava.sjep.DefaultOperator

All Implemented Interfaces:

Comparable<Operator>, Operator, Token, Verb

public class DefaultOperator
extends AbstractToken
implements Operator

Default implementation of Operator.

Author:

Curtis Rueden

Nested Class Summary

Nested classes/interfaces inherited from interface org.scijava.sjep.Operator

Operator.Associativity

Constructor Summary

Constructors

Constructor and Description
DefaultOperator(String symbol, int arity, Operator.Associativity associativity, double precedence)

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(Operator that)
int	getArity() 1 for unary, 2 for binary, etc.
Operator.Associativity	getAssociativity()
double	getPrecedence()
boolean	isInfix() True iff the operator is an infix operator (e.g., a-b).
boolean	isLeftAssociative()
boolean	isPostfix() True iff the operator is a postfix operator (e.g., a').
boolean	isPrefix() True iff the operator is a prefix operator (e.g., -a).
boolean	isRightAssociative()

Methods inherited from class org.scijava.sjep.AbstractToken

getToken, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.scijava.sjep.Token

getToken

Constructor Detail

DefaultOperator

public DefaultOperator(String symbol,
               int arity,
               Operator.Associativity associativity,
               double precedence)

Method Detail

getAssociativity

public Operator.Associativity getAssociativity()

Specified by:

getAssociativity in interface Operator

isLeftAssociative

public boolean isLeftAssociative()

Specified by:

isLeftAssociative in interface Operator

isRightAssociative

public boolean isRightAssociative()

Specified by:

isRightAssociative in interface Operator

isInfix

public boolean isInfix()

Description copied from interface: Operator

True iff the operator is an infix operator (e.g., a-b).

Specified by:

isInfix in interface Operator

isPrefix

public boolean isPrefix()

Description copied from interface: Operator

True iff the operator is a prefix operator (e.g., -a).

Specified by:

isPrefix in interface Operator

isPostfix

public boolean isPostfix()

Description copied from interface: Operator

True iff the operator is a postfix operator (e.g., a').

Specified by:

isPostfix in interface Operator

getPrecedence

public double getPrecedence()

Specified by:

getPrecedence in interface Operator

getArity

public int getArity()

Description copied from interface: Verb

1 for unary, 2 for binary, etc.

Specified by:

getArity in interface Verb

compareTo

public int compareTo(Operator that)

Specified by:

compareTo in interface Comparable<Operator>