com.zfqjava.formula
Class AbstractOperator

java.lang.Object
  com.zfqjava.formula.AbstractOperator

All Implemented Interfaces:

Operator

public abstract class AbstractOperator
extends Object
implements Operator

Constructor Summary

protected

AbstractOperator(String symbol, int precedence, boolean unary, boolean rightAssociative)

Method Summary

int	getPrecedence() Returns the precedence of this operator.
String	getSymbol() Returns the symbol.
boolean	isRightAssociative() Determins whether the operator is right associative.
boolean	isUnary() Determins whether the operator is unary or binary.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.zfqjava.formula.Operator

evaluate, evaluate

Constructor Detail

AbstractOperator

protected AbstractOperator(String symbol,
                           int precedence,
                           boolean unary,
                           boolean rightAssociative)

Method Detail

getSymbol

public String getSymbol()

Description copied from interface: Operator

Returns the symbol.

Specified by:

getSymbol in interface Operator

getPrecedence

public int getPrecedence()

Description copied from interface: Operator

Returns the precedence of this operator.

Specified by:

getPrecedence in interface Operator

isUnary

public boolean isUnary()

Description copied from interface: Operator

Determins whether the operator is unary or binary.

Specified by:

isUnary in interface Operator

isRightAssociative

public boolean isRightAssociative()

Description copied from interface: Operator

Determins whether the operator is right associative.

Specified by:

isRightAssociative in interface Operator

toString

public String toString()

Overrides:

toString in class Object