com.hazelcast.internal.memory

Enum GlobalMemoryAccessorType

java.lang.Object

java.lang.Enum<GlobalMemoryAccessorType>

com.hazelcast.internal.memory.GlobalMemoryAccessorType

All Implemented Interfaces:

Serializable, Comparable<GlobalMemoryAccessorType>

public enum GlobalMemoryAccessorType
extends Enum<GlobalMemoryAccessorType>

Types of GlobalMemoryAccessor implementations.

Enum Constant Summary

Enum Constants

Enum Constant and Description
ALIGNMENT_AWARE Represents the aligned GlobalMemoryAccessor, which checks for and handles unaligned memory access by splitting a larger-size memory operation into several smaller-size ones (which have finer-grained alignment requirements).
PLATFORM_AWARE Represents a GlobalMemoryAccessor which is either ALIGNMENT_AWARE or STANDARD, as appropriate to the underlying platform's architecture.
STANDARD Represents the standard GlobalMemoryAccessor which correctly handles only aligned memory access.

Method Summary

Methods

Modifier and Type	Method and Description
static GlobalMemoryAccessorType	valueOf(String name) Returns the enum constant of this type with the specified name.
static GlobalMemoryAccessorType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

STANDARD

public static final GlobalMemoryAccessorType STANDARD

Represents the standard GlobalMemoryAccessor which correctly handles only aligned memory access. Requesting unaligned memory access from this instance will result in low-level JVM crash on platforms which only support aligned access.

See Also:

StandardMemoryAccessor

ALIGNMENT_AWARE

public static final GlobalMemoryAccessorType ALIGNMENT_AWARE

Represents the aligned GlobalMemoryAccessor, which checks for and handles unaligned memory access by splitting a larger-size memory operation into several smaller-size ones (which have finer-grained alignment requirements).

See Also:

AlignmentAwareMemoryAccessor

PLATFORM_AWARE

public static final GlobalMemoryAccessorType PLATFORM_AWARE

Represents a GlobalMemoryAccessor which is either ALIGNMENT_AWARE or STANDARD, as appropriate to the underlying platform's architecture.

If the underlying platform supports unaligned memory access, it will match the standard GlobalMemoryAccessor because there's no need for aligmnent checks. Otherwise it will match the alignment-aware GlobalMemoryAccessor.

Method Detail

values

public static GlobalMemoryAccessorType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (GlobalMemoryAccessorType c : GlobalMemoryAccessorType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static GlobalMemoryAccessorType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null