Package com.illumon.iris.db.v2.updateby

Interface UpdateByControl

public interface UpdateByControl

An interface to control the behavior of an Table.updateBy(com.illumon.iris.db.v2.updateby.UpdateByControl, java.util.Collection<com.illumon.iris.db.v2.updateby.UpdateByClause>, com.illumon.iris.db.tables.select.MatchPair...)

Field Summary

Fields

Modifier and Type	Field	Description
static UpdateByControl	DEFAULT
static int	DEFAULT_CHUNK_CAPACITY
static double	DEFAULT_MAXIMUM_STATIC_SPARSE_MEMORY_OVERHEAD
static boolean	DEFAULT_USE_REDIRECTION

Method Summary

Modifier and Type	Method	Description
default boolean	considerGrouping(Table source, ColumnSource<?>[] keySources)	Get if the operation should use grouping data.
default int	getChunkCapacity()	Get the default maximum chunk capacity.
default MathContext	getDefaultMathContext()
default double	getMaximumLoadFactor()	Get the maximum load factor for the hash table.
default double	getMaxStaticSparseMemoryOverhead()	The maximum fractional memory overhead allowable for sparse redirections.
default double	getTargetLoadFactor()	Get the target load factor for the hash table.
default int	initialHashTableSize(Table source)	Get the initial hash table size for the specified input table.
default boolean	useRedirection()	If redirections should be used for output sources instead of sparse array sources.

Field Details

DEFAULT_CHUNK_CAPACITY

static final int DEFAULT_CHUNK_CAPACITY

DEFAULT_USE_REDIRECTION

static final boolean DEFAULT_USE_REDIRECTION

DEFAULT_MAXIMUM_STATIC_SPARSE_MEMORY_OVERHEAD

static final double DEFAULT_MAXIMUM_STATIC_SPARSE_MEMORY_OVERHEAD

DEFAULT

static final UpdateByControl DEFAULT

Method Details

useRedirection

default boolean useRedirection()

If redirections should be used for output sources instead of sparse array sources.

Returns:

true if redirections should be used.

getChunkCapacity

default int getChunkCapacity()

Get the default maximum chunk capacity.

Returns:

the maximum chunk capacity.

getMaxStaticSparseMemoryOverhead

default double getMaxStaticSparseMemoryOverhead()

The maximum fractional memory overhead allowable for sparse redirections.

Returns:

the maximum fractional memory overhead.

initialHashTableSize

default int initialHashTableSize(@NotNull Table source)

Get the initial hash table size for the specified input table.

Parameters:

source - the input table

Returns:

the initial hash table size

getMaximumLoadFactor

default double getMaximumLoadFactor()

Get the maximum load factor for the hash table.

Returns:

the maximum load factor

getTargetLoadFactor

default double getTargetLoadFactor()

Get the target load factor for the hash table.

Returns:

the target load factor

considerGrouping

default boolean considerGrouping(@NotNull Table source, @NotNull ColumnSource<?>[] keySources)

Get if the operation should use grouping data.

Parameters:

source - the source table

keySources - the ke sources

Returns:

true if the operation should use groupings.

getDefaultMathContext

default MathContext getDefaultMathContext()