Package org.apache.ignite.internal.util.offheap

Class GridOffHeapMapFactory

java.lang.Object

org.apache.ignite.internal.util.offheap.GridOffHeapMapFactory

public class GridOffHeapMapFactory
extends Object

Factory for off-heap maps.

Constructor Summary

Constructors

Constructor	Description
GridOffHeapMapFactory()

Method Summary

Modifier and Type	Method	Description
static GridOffHeapMap	unsafeMap(int concurrency, float load, long initCap)	Creates off-heap map based on Unsafe implementation.
static <K> GridOffHeapMap	unsafeMap(int concurrency, float load, long initCap, long totalMem, short lruStripes, @Nullable GridOffHeapEvictListener lsnr)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.
static GridOffHeapMap	unsafeMap(int concurrency, long initCap)	Creates off-heap map based on Unsafe implementation.
static GridOffHeapMap	unsafeMap(int concurrency, long initCap, long totalMem, short lruStripes, @Nullable GridOffHeapEvictListener lsnr)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.
static GridOffHeapMap	unsafeMap(long initCap)	Creates off-heap map based on Unsafe implementation with unlimited memory.
static GridOffHeapMap	unsafeMap(long initCap, long totalMem, short lruStripes)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.
static GridOffHeapMap	unsafeMap(long initCap, long totalMem, short lruStripes, @Nullable GridOffHeapEvictListener lsnr)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.
static GridOffHeapPartitionedMap	unsafePartitionedMap(int parts, int concurrency, float load, long initCap)	Creates off-heap map based on Unsafe implementation.
static GridOffHeapPartitionedMap	unsafePartitionedMap(int parts, int concurrency, float load, long initCap, long totalMem, short lruStripes, @Nullable GridOffHeapEvictListener lsnr)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.
static GridOffHeapPartitionedMap	unsafePartitionedMap(int parts, int concurrency, long initCap)	Creates off-heap map based on Unsafe implementation.
static GridOffHeapPartitionedMap	unsafePartitionedMap(int parts, int concurrency, long initCap, long totalMem, short lruStripes, @Nullable GridOffHeapEvictListener lsnr)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.
static GridOffHeapPartitionedMap	unsafePartitionedMap(int parts, long initCap)	Creates off-heap map based on Unsafe implementation with unlimited memory.
static GridOffHeapPartitionedMap	unsafePartitionedMap(int parts, long initCap, long totalMem, short lruStripes)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.
static GridOffHeapPartitionedMap	unsafePartitionedMap(int parts, long initCap, long totalMem, short lruStripes, @Nullable GridOffHeapEvictListener lsnr)	Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Methods inherited from class java.lang.Object

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

Constructor Detail

GridOffHeapMapFactory

public GridOffHeapMapFactory()

Method Detail

unsafeMap

public static GridOffHeapMap unsafeMap(long initCap)

Creates off-heap map based on Unsafe implementation with unlimited memory.

Parameters:

initCap - Initial capacity.

Returns:

Off-heap map.

unsafeMap

public static GridOffHeapMap unsafeMap(int concurrency,
                                       long initCap)

Creates off-heap map based on Unsafe implementation.

Parameters:

concurrency - Concurrency.

initCap - Initial capacity.

Returns:

Off-heap map.

unsafeMap

public static GridOffHeapMap unsafeMap(int concurrency,
                                       float load,
                                       long initCap)

Creates off-heap map based on Unsafe implementation.

Parameters:

concurrency - Concurrency.

load - Load factor.

initCap - Initial capacity.

Returns:

Off-heap map.

unsafeMap

public static GridOffHeapMap unsafeMap(long initCap,
                                       long totalMem,
                                       short lruStripes)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

Returns:

Off-heap map.

unsafeMap

public static GridOffHeapMap unsafeMap(long initCap,
                                       long totalMem,
                                       short lruStripes,
                                       @Nullable
                                       @Nullable GridOffHeapEvictListener lsnr)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

lsnr - Optional eviction listener which gets notified every time an entry is evicted.

Returns:

Off-heap map.

unsafeMap

public static GridOffHeapMap unsafeMap(int concurrency,
                                       long initCap,
                                       long totalMem,
                                       short lruStripes,
                                       @Nullable
                                       @Nullable GridOffHeapEvictListener lsnr)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

concurrency - Concurrency.

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

lsnr - Optional eviction listener which gets notified every time an entry is evicted.

Returns:

Off-heap map.

unsafeMap

public static <K> GridOffHeapMap unsafeMap(int concurrency,
                                           float load,
                                           long initCap,
                                           long totalMem,
                                           short lruStripes,
                                           @Nullable
                                           @Nullable GridOffHeapEvictListener lsnr)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

concurrency - Concurrency.

load - Load factor.

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

lsnr - Optional eviction listener which gets notified every time an entry is evicted.

Returns:

Off-heap map.

unsafePartitionedMap

public static GridOffHeapPartitionedMap unsafePartitionedMap(int parts,
                                                             long initCap)

Creates off-heap map based on Unsafe implementation with unlimited memory.

Parameters:

parts - Partitions.

initCap - Initial capacity.

Returns:

Off-heap map.

unsafePartitionedMap

public static GridOffHeapPartitionedMap unsafePartitionedMap(int parts,
                                                             int concurrency,
                                                             long initCap)

Creates off-heap map based on Unsafe implementation.

Parameters:

parts - Partitions.

concurrency - Concurrency.

initCap - Initial capacity.

Returns:

Off-heap map.

unsafePartitionedMap

public static GridOffHeapPartitionedMap unsafePartitionedMap(int parts,
                                                             int concurrency,
                                                             float load,
                                                             long initCap)

Creates off-heap map based on Unsafe implementation.

Parameters:

parts - Partitions.

concurrency - Concurrency.

load - Load factor.

initCap - Initial capacity.

Returns:

Off-heap map.

unsafePartitionedMap

public static GridOffHeapPartitionedMap unsafePartitionedMap(int parts,
                                                             long initCap,
                                                             long totalMem,
                                                             short lruStripes)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

parts - Partitions.

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

Returns:

Off-heap map.

unsafePartitionedMap

public static GridOffHeapPartitionedMap unsafePartitionedMap(int parts,
                                                             long initCap,
                                                             long totalMem,
                                                             short lruStripes,
                                                             @Nullable
                                                             @Nullable GridOffHeapEvictListener lsnr)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

parts - Partitions.

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

lsnr - Optional eviction listener which gets notified every time an entry is evicted.

Returns:

Off-heap map.

unsafePartitionedMap

public static GridOffHeapPartitionedMap unsafePartitionedMap(int parts,
                                                             int concurrency,
                                                             long initCap,
                                                             long totalMem,
                                                             short lruStripes,
                                                             @Nullable
                                                             @Nullable GridOffHeapEvictListener lsnr)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

parts - Partitions.

concurrency - Concurrency.

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

lsnr - Optional eviction listener which gets notified every time an entry is evicted.

Returns:

Off-heap map.

unsafePartitionedMap

public static GridOffHeapPartitionedMap unsafePartitionedMap(int parts,
                                                             int concurrency,
                                                             float load,
                                                             long initCap,
                                                             long totalMem,
                                                             short lruStripes,
                                                             @Nullable
                                                             @Nullable GridOffHeapEvictListener lsnr)

Creates off-heap map based on Unsafe implementation with limited memory and LRU-based eviction.

Parameters:

parts - Partitions.

concurrency - Concurrency.

load - Load factor.

initCap - Initial capacity.

totalMem - Total memory.

lruStripes - Number of LRU stripes.

lsnr - Optional eviction listener which gets notified every time an entry is evicted.

Returns:

Off-heap map.