org.graylog.plugins.pipelineprocessor.ast.expressions

Class SignedExpression

java.lang.Object

org.graylog.plugins.pipelineprocessor.ast.expressions.BaseExpression

org.graylog.plugins.pipelineprocessor.ast.expressions.UnaryExpression

org.graylog.plugins.pipelineprocessor.ast.expressions.SignedExpression

All Implemented Interfaces:

Expression, NumericExpression

public class SignedExpression
extends UnaryExpression
implements NumericExpression

Nested Class Summary

Nested classes/interfaces inherited from interface org.graylog.plugins.pipelineprocessor.ast.expressions.Expression

Expression.Type

Field Summary

Fields inherited from class org.graylog.plugins.pipelineprocessor.ast.expressions.UnaryExpression

right

Constructor Summary

Constructors

Constructor and Description
SignedExpression(org.antlr.v4.runtime.Token start, Expression right, boolean isPlus)

Method Summary

Modifier and Type	Method and Description
double	evaluateDouble(EvaluationContext context)
long	evaluateLong(EvaluationContext context)
Object	evaluateUnsafe(EvaluationContext context) This method is allowed to throw exceptions.
boolean	isIntegral()
boolean	isPlus()
String	toString()

Methods inherited from class org.graylog.plugins.pipelineprocessor.ast.expressions.UnaryExpression

children, getType, isConstant, right, right

Methods inherited from class org.graylog.plugins.pipelineprocessor.ast.expressions.BaseExpression

getStartToken

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.graylog.plugins.pipelineprocessor.ast.expressions.Expression

children, evaluate, evaluateUnsafe, getStartToken, getType, isConstant, nodeType

Constructor Detail

SignedExpression

public SignedExpression(org.antlr.v4.runtime.Token start,
                        Expression right,
                        boolean isPlus)

Method Detail

isIntegral

public boolean isIntegral()

Specified by:

isIntegral in interface NumericExpression

evaluateLong

public long evaluateLong(EvaluationContext context)

Specified by:

evaluateLong in interface NumericExpression

evaluateDouble

public double evaluateDouble(EvaluationContext context)

Specified by:

evaluateDouble in interface NumericExpression

evaluateUnsafe

@Nullable
public Object evaluateUnsafe(EvaluationContext context)

Description copied from interface: Expression

This method is allowed to throw exceptions. The outside world is supposed to call evaluate instead.

Specified by:

evaluateUnsafe in interface Expression

toString

public String toString()

Overrides:

toString in class Object

isPlus

public boolean isPlus()