com.hazelcast.internal.util.hashslot.impl

Class CapacityUtil

java.lang.Object

com.hazelcast.internal.util.hashslot.impl.CapacityUtil

public final class CapacityUtil
extends Object

Utility functions related to data structure capacity calculation.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_CAPACITY Default capacity for a hash container.
static float	DEFAULT_LOAD_FACTOR Default load factor.
static int	MAX_INT_CAPACITY Maximum length of a Java array that is a power of two.
static long	MAX_LONG_CAPACITY Maximum length of an off-heap array that is a power of two.
static int	MIN_CAPACITY Minimum capacity for a hash container.

Method Summary

Modifier and Type	Method and Description
static int	nextCapacity(int current) Returns the next possible capacity, counting from the current buffers' size.
static long	nextCapacity(long current) Returns the next possible capacity, counting from the current buffers' size.
static int	roundCapacity(int requestedCapacity) Round the capacity to the next allowed value.
static long	roundCapacity(long requestedCapacity) Round the capacity to the next allowed value.

Methods inherited from class java.lang.Object

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

Field Detail

MAX_INT_CAPACITY

public static final int MAX_INT_CAPACITY

Maximum length of a Java array that is a power of two.

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Constant Field Values

MAX_LONG_CAPACITY

public static final long MAX_LONG_CAPACITY

Maximum length of an off-heap array that is a power of two.

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Constant Field Values

MIN_CAPACITY

public static final int MIN_CAPACITY

Minimum capacity for a hash container.

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Constant Field Values

DEFAULT_CAPACITY

public static final int DEFAULT_CAPACITY

Default capacity for a hash container.

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Constant Field Values

DEFAULT_LOAD_FACTOR

public static final float DEFAULT_LOAD_FACTOR

Default load factor.

See Also:

Constant Field Values

Method Detail

roundCapacity

public static long roundCapacity(long requestedCapacity)

Round the capacity to the next allowed value.

roundCapacity

public static int roundCapacity(int requestedCapacity)

Round the capacity to the next allowed value.

nextCapacity

public static int nextCapacity(int current)

Returns the next possible capacity, counting from the current buffers' size.

nextCapacity

public static long nextCapacity(long current)

Returns the next possible capacity, counting from the current buffers' size.