Package com.gengoai.parsing

Class UnaryOperatorExpression

java.lang.Object

com.gengoai.parsing.BaseExpression

com.gengoai.parsing.UnaryOperatorExpression

All Implemented Interfaces:

Expression, Serializable

public class UnaryOperatorExpression
extends BaseExpression

An Expression unary operator which contains a single expression value

Author:

David B. Bracewell

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static PostfixHandler	POSTFIX_OPERATOR_HANDLER	Generic Handler for generating UnaryOperatorExpressions for postfix operators.
static PrefixHandler	PREFIX_OPERATOR_HANDLER	Generic Handler for generating UnaryOperatorExpressions for prefix operators using Parser.parseExpression()* to generate the value of the operator.

Constructor Summary

Constructors

Constructor	Description
UnaryOperatorExpression(ParserToken token, Expression value, boolean isPrefix)	Instantiates a new Prefix operator expression.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
String	getOperator()	Gets operator.
Expression	getValue()	Gets the Expression representing the value of the operator.
int	hashCode()
boolean	isPrefix()	Is prefix boolean.
String	toString()

Methods inherited from class com.gengoai.parsing.BaseExpression

getType

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.gengoai.parsing.Expression

apply, as, isInstance, isInstance, isInstance, when, when

Field Detail

POSTFIX_OPERATOR_HANDLER

public static PostfixHandler POSTFIX_OPERATOR_HANDLER

Generic Handler for generating UnaryOperatorExpressions for postfix operators.

PREFIX_OPERATOR_HANDLER

public static PrefixHandler PREFIX_OPERATOR_HANDLER

Generic Handler for generating UnaryOperatorExpressions for prefix operators using Parser.parseExpression()* to generate the value of the operator.

Constructor Detail

UnaryOperatorExpression

public UnaryOperatorExpression(ParserToken token,
                               Expression value,
                               boolean isPrefix)

Instantiates a new Prefix operator expression.

Parameters:

token - the token

value - the value

isPrefix - the is prefix

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

getOperator

public String getOperator()

Gets operator.

Returns:

the operator

getValue

public Expression getValue()

Gets the Expression representing the value of the operator.

Returns:

the value

hashCode

public int hashCode()

Overrides:

hashCode in class Object

isPrefix

public boolean isPrefix()

Is prefix boolean.

Returns:

the boolean

toString

public String toString()

Overrides:

toString in class Object