io.crate.operation.scalar

Class SubscriptFunction

java.lang.Object

io.crate.metadata.Scalar<java.lang.Object,java.lang.Object[]>

io.crate.operation.scalar.SubscriptFunction

All Implemented Interfaces:

DynamicFunctionResolver, FunctionImplementation<Function>

public class SubscriptFunction
extends Scalar<java.lang.Object,java.lang.Object[]>
implements DynamicFunctionResolver

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NAME

Constructor Summary

Constructors

Constructor and Description
SubscriptFunction(FunctionInfo info)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	evaluate(Input[] args)
FunctionImplementation<Function>	getForTypes(java.util.List<DataType> dataTypes) returns the function implementation for the given types.
FunctionInfo	info()
Symbol	normalizeSymbol(Function symbol)
static void	register(ScalarFunctionModule module)

Methods inherited from class io.crate.metadata.Scalar

anyNonLiterals, compile, containsNullLiteral, evaluateIfLiterals, hasNullInputs

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

Constructor Detail

SubscriptFunction

public SubscriptFunction(FunctionInfo info)

Method Detail

register

public static void register(ScalarFunctionModule module)

info

public FunctionInfo info()

Specified by:

info in interface FunctionImplementation<Function>

normalizeSymbol

public Symbol normalizeSymbol(Function symbol)

Specified by:

normalizeSymbol in interface FunctionImplementation<Function>

evaluate

public java.lang.Object evaluate(Input[] args)

Specified by:

evaluate in class Scalar<java.lang.Object,java.lang.Object[]>

getForTypes

public FunctionImplementation<Function> getForTypes(java.util.List<DataType> dataTypes)
                                             throws java.lang.IllegalArgumentException

Description copied from interface: DynamicFunctionResolver

returns the function implementation for the given types.

Specified by:

getForTypes in interface DynamicFunctionResolver

Throws:

java.lang.IllegalArgumentException - thrown if there is no function that can handle the given types.