io.prestosql.operator.scalar

Enum ScalarFunctionImplementation.NullConvention

java.lang.Object

java.lang.Enum<ScalarFunctionImplementation.NullConvention>

io.prestosql.operator.scalar.ScalarFunctionImplementation.NullConvention

All Implemented Interfaces:

Serializable, Comparable<ScalarFunctionImplementation.NullConvention>

Enclosing class:

ScalarFunctionImplementation

public static enum ScalarFunctionImplementation.NullConvention
extends Enum<ScalarFunctionImplementation.NullConvention>

Enum Constant Summary

Enum Constants

Enum Constant and Description
BLOCK_AND_POSITION
RETURN_NULL_ON_NULL
USE_BOXED_TYPE
USE_NULL_FLAG

Method Summary

Modifier and Type	Method and Description
int	getParameterCount()
static ScalarFunctionImplementation.NullConvention	valueOf(String name) Returns the enum constant of this type with the specified name.
static ScalarFunctionImplementation.NullConvention[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

RETURN_NULL_ON_NULL

public static final ScalarFunctionImplementation.NullConvention RETURN_NULL_ON_NULL

USE_BOXED_TYPE

public static final ScalarFunctionImplementation.NullConvention USE_BOXED_TYPE

USE_NULL_FLAG

public static final ScalarFunctionImplementation.NullConvention USE_NULL_FLAG

BLOCK_AND_POSITION

public static final ScalarFunctionImplementation.NullConvention BLOCK_AND_POSITION

Method Detail

values

public static ScalarFunctionImplementation.NullConvention[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (ScalarFunctionImplementation.NullConvention c : ScalarFunctionImplementation.NullConvention.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ScalarFunctionImplementation.NullConvention valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

getParameterCount

public int getParameterCount()