Package org.apache.cassandra.cql3.functions

Class UserFunction

java.lang.Object

org.apache.cassandra.cql3.functions.AbstractFunction

org.apache.cassandra.cql3.functions.UserFunction

All Implemented Interfaces:

AssignmentTestable, Function, SchemaElement

Direct Known Subclasses:

UDAggregate, UDFunction

public abstract class UserFunction
extends AbstractFunction
implements SchemaElement

A non-native, user-defined function, like UDFs and UDAs.

Nested Class Summary

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

AssignmentTestable.TestResult

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

SchemaElement.SchemaElementType

Field Summary

Fields inherited from class org.apache.cassandra.cql3.functions.AbstractFunction

argTypes, name, returnType

Fields inherited from interface org.apache.cassandra.cql3.functions.Function

UNRESOLVED

Fields inherited from interface org.apache.cassandra.cql3.SchemaElement

NAME_COMPARATOR

Constructor Summary

Constructors

Constructor	Description
UserFunction(FunctionName name, List<AbstractType<?>> argTypes, AbstractType<?> returnType)

Method Summary

Modifier and Type	Method	Description
final boolean	isNative()	Checks whether the function is a native/hard coded one or not.

Methods inherited from class org.apache.cassandra.cql3.functions.AbstractFunction

addFunctionsTo, argTypes, argumentsList, columnName, elementKeyspace, elementName, equals, getCompatibleTypeIfKnown, hashCode, name, referencesUserType, returnType, testAssignment, toCqlString, toString, typesMatch

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.cql3.functions.Function

compare, isAggregate, isPure, newArguments

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

elementKeyspace, elementKeyspaceQuotedIfNeeded, elementName, elementNameQuotedIfNeeded, elementType, toCqlString

Constructor Details

UserFunction

public UserFunction(FunctionName name,
 List<AbstractType<?>> argTypes,
 AbstractType<?> returnType)

Method Details

isNative

public final boolean isNative()

Description copied from interface: Function

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

Specified by:

isNative in interface Function

Returns:

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