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 and Description
GridOffHeapMapFactory()

Method Summary

Methods

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

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 <K> GridOffHeapMap<K> 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.

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<K> 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.

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
                                             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
                                             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
                                             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.