com.facebook.presto.common.type

Class TypeUtils

java.lang.Object

com.facebook.presto.common.type.TypeUtils

public final class TypeUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	NULL_HASH_CODE

Method Summary

Modifier and Type	Method and Description
static boolean	containsDistinctType(List<Type> types) Recursive version of isDistinctType.
static long	hashPosition(Type type, Block block, int position)
static boolean	isApproximateNumericType(Type type)
static boolean	isDistinctType(Type type)
static boolean	isEnumType(Type type)
static boolean	isExactNumericType(Type type)
static boolean	isFloatingPointNaN(Type type, Object value)
static boolean	isNonDecimalNumericType(Type type)
static boolean	isNumericType(Type type)
static Object	readNativeValue(Type type, Block block, int position) Get the native value as an object in the value at position of block.
static void	writeNativeValue(Type type, BlockBuilder blockBuilder, Object value) Write a native value object to the current entry of blockBuilder.

Methods inherited from class java.lang.Object

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

Field Detail

NULL_HASH_CODE

public static final int NULL_HASH_CODE

See Also:

Constant Field Values

Method Detail

isNumericType

public static boolean isNumericType(Type type)

isNonDecimalNumericType

public static boolean isNonDecimalNumericType(Type type)

isExactNumericType

public static boolean isExactNumericType(Type type)

isApproximateNumericType

public static boolean isApproximateNumericType(Type type)

isEnumType

public static boolean isEnumType(Type type)

isDistinctType

public static boolean isDistinctType(Type type)

containsDistinctType

public static boolean containsDistinctType(List<Type> types)

Recursive version of isDistinctType.

readNativeValue

public static Object readNativeValue(Type type,
                                     Block block,
                                     int position)

Get the native value as an object in the value at position of block.

writeNativeValue

public static void writeNativeValue(Type type,
                                    BlockBuilder blockBuilder,
                                    Object value)

Write a native value object to the current entry of blockBuilder.

hashPosition

public static long hashPosition(Type type,
                                Block block,
                                int position)

isFloatingPointNaN

public static boolean isFloatingPointNaN(Type type,
                                         Object value)