io.prestosql.type

Class TypeUtils

java.lang.Object

io.prestosql.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 void	checkElementNotNull(boolean isNull, String errorMsg)
static int	expectedValueSize(Type type, int defaultSize)
static Block	getHashBlock(List<? extends Type> hashTypes, Block... hashBlocks)
static Page	getHashPage(Page page, List<? extends Type> types, List<Integer> hashChannels)
static long	getHashPosition(List<? extends Type> hashTypes, Block[] hashBlocks, int position)
static long	hashPosition(MethodHandle methodHandle, Type type, Block block, int position)
static long	hashPosition(Type type, Block block, int position)
static boolean	positionEqualsPosition(Type type, Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
static Type	resolveType(TypeSignature typeName, TypeManager typeManager)
static List<Type>	resolveTypes(List<TypeSignature> typeNames, TypeManager typeManager)

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

expectedValueSize

public static int expectedValueSize(Type type,
                                    int defaultSize)

hashPosition

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

hashPosition

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

positionEqualsPosition

public static boolean positionEqualsPosition(Type type,
                                             Block leftBlock,
                                             int leftPosition,
                                             Block rightBlock,
                                             int rightPosition)

resolveType

public static Type resolveType(TypeSignature typeName,
                               TypeManager typeManager)

resolveTypes

public static List<Type> resolveTypes(List<TypeSignature> typeNames,
                                      TypeManager typeManager)

getHashPosition

public static long getHashPosition(List<? extends Type> hashTypes,
                                   Block[] hashBlocks,
                                   int position)

getHashBlock

public static Block getHashBlock(List<? extends Type> hashTypes,
                                 Block... hashBlocks)

getHashPage

public static Page getHashPage(Page page,
                               List<? extends Type> types,
                               List<Integer> hashChannels)

checkElementNotNull

public static void checkElementNotNull(boolean isNull,
                                       String errorMsg)