Package org.graylog.plugins.pipelineprocessor.functions

Class IsNull

java.lang.Object

org.graylog.plugins.pipelineprocessor.ast.functions.AbstractFunction<Boolean>

org.graylog.plugins.pipelineprocessor.functions.IsNull

All Implemented Interfaces:

Function<Boolean>

public class IsNull
extends AbstractFunction<Boolean>

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NAME

Fields inherited from interface org.graylog.plugins.pipelineprocessor.ast.functions.Function

ERROR_FUNCTION, log

Constructor Summary

Constructors

Constructor	Description
IsNull()

Method Summary

Modifier and Type	Method	Description
FunctionDescriptor<Boolean>	descriptor()
Boolean	evaluate(FunctionArgs args, EvaluationContext context)

Methods inherited from class org.graylog.plugins.pipelineprocessor.ast.functions.AbstractFunction

preComputeConstantArgument

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.graylog.plugins.pipelineprocessor.ast.functions.Function

preprocessArgs

Field Details

NAME

public static final String NAME

See Also:

• Constant Field Values

Constructor Details

IsNull

public IsNull()

Method Details

evaluate

public Boolean evaluate(FunctionArgs args,
 EvaluationContext context)

descriptor

public FunctionDescriptor<Boolean> descriptor()