org.apache.cassandra.cql3.functions

Interface Function

All Superinterfaces:

AssignmentTestable

All Known Subinterfaces:

AggregateFunction, ScalarFunction

All Known Implementing Classes:

AbstractFunction, FromJsonFct, NativeAggregateFunction, NativeFunction, NativeScalarFunction, ToJsonFct, TokenFct, UDAggregate, UDFunction

public interface Function
extends AssignmentTestable

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.cql3.AssignmentTestable

AssignmentTestable.TestResult

Method Summary

Modifier and Type	Method and Description
void	addFunctionsTo(java.util.List<Function> functions)
java.util.List<AbstractType<?>>	argTypes()
boolean	hasReferenceTo(Function function)
boolean	isAggregate() Checks whether the function is an aggregate function or not.
boolean	isNative() Checks whether the function is a native/hard coded one or not.
FunctionName	name()
AbstractType<?>	returnType()

Methods inherited from interface org.apache.cassandra.cql3.AssignmentTestable

testAssignment

Method Detail

name

FunctionName name()

argTypes

java.util.List<AbstractType<?>> argTypes()

returnType

AbstractType<?> returnType()

isNative

boolean isNative()

Checks whether the function is a native/hard coded one or not.

Returns:

true if the function is a native/hard coded one, false otherwise.

isAggregate

boolean isAggregate()

Checks whether the function is an aggregate function or not.

Returns:

true if the function is an aggregate function, false otherwise.

addFunctionsTo

void addFunctionsTo(java.util.List<Function> functions)

hasReferenceTo

boolean hasReferenceTo(Function function)