org.apache.cassandra.cql3.functions

Class AbstractFunction

java.lang.Object

org.apache.cassandra.cql3.functions.AbstractFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

TokenFct

public abstract class AbstractFunction
extends java.lang.Object
implements Function

Nested Class Summary

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

Function.Factory

Field Summary

Fields

Modifier and Type	Field and Description
java.util.List<AbstractType<?>>	argsType
java.lang.String	name
AbstractType<?>	returnType

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFunction(java.lang.String name, AbstractType<?> returnType, AbstractType<?>... argsType)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.List<AbstractType<?>>	argsType()
static Function.Factory	factory(Function fun) Creates a trivial factory that always return the provided function.
boolean	isPure()
java.lang.String	name()
AbstractType<?>	returnType()

Methods inherited from class java.lang.Object

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

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

execute

Field Detail

name

public final java.lang.String name

argsType

public final java.util.List<AbstractType<?>> argsType

returnType

public final AbstractType<?> returnType

Constructor Detail

AbstractFunction

protected AbstractFunction(java.lang.String name,
                AbstractType<?> returnType,
                AbstractType<?>... argsType)

Method Detail

name

public java.lang.String name()

Specified by:

name in interface Function

argsType

public java.util.List<AbstractType<?>> argsType()

Specified by:

argsType in interface Function

returnType

public AbstractType<?> returnType()

Specified by:

returnType in interface Function

isPure

public boolean isPure()

Specified by:

isPure in interface Function

factory

public static Function.Factory factory(Function fun)

Creates a trivial factory that always return the provided function.