Package io.netty.util.internal

Internal-use-only utilities which is not allowed to be used outside Netty.

Interface Summary

Interface	Description
CleanableDirectBuffer	Encapsulates a direct ByteBuffer and its mechanism for immediate deallocation, if any.
LongCounter	Counter for long.
ObjectPool.Handle<T>	Handle for an pooled Object that will be used to notify the ObjectPool once it can reuse the pooled Object again.
ObjectPool.ObjectCreator<T>	Deprecated. For removal.
PriorityQueue<T>
PriorityQueueNode	Provides methods for DefaultPriorityQueue to maintain internal state.

Class Summary

Class	Description
AdaptiveCalculator	Calculate sizes in a adaptive way.
AppendableCharSequence
AtomicReferenceCountUpdater<T extends ReferenceCounted>
BoundedInputStream
ClassInitializerUtil	Utility which ensures that classes are loaded by the ClassLoader.
CleanerJava24Linker
ConcurrentSet<E>	Deprecated. For removal in Netty 4.2.
ConstantTimeUtils
DefaultPriorityQueue<T extends PriorityQueueNode>	A priority queue which uses natural ordering of elements.
EmptyArrays
EmptyPriorityQueue<T>
IntegerHolder	Deprecated. For removal in netty 4.2
InternalThreadLocalMap	The internal data structure that stores the thread-local variables for Netty and all FastThreadLocals.
LongLongHashMap
MacAddressUtil
MathUtil	Math utility methods.
NativeLibraryLoader	Helper class to load JNI resources.
NoOpTypeParameterMatcher
ObjectCleaner	Allows a way to register some Runnable that will executed once there are no references to an Object anymore.
ObjectPool<T>	Light-weight object pool.
ObjectUtil	A grab-bag of useful utility methods.
PendingWrite	Some pending write which should be picked up later.
PlatformDependent	Utility that detects various properties specific to the current runtime environment, such as Java version and the availability of the sun.misc.Unsafe object.
PromiseNotificationUtil	Internal utilities to notify Promises.
ReadOnlyIterator<T>
RecyclableArrayList	A simple list which is recyclable.
ReferenceCountUpdater<T extends ReferenceCounted>	Common logic for ReferenceCounted implementations
ReflectionUtil
ResourcesUtil	A utility class that provides various common operations and constants related to loading resources
SocketUtils	Provides socket operations with privileges enabled.
StringUtil	String utility class.
SWARUtil	Utility class for SWAR (SIMD within a register) operations.
SystemPropertyUtil	A collection of utility methods to retrieve and parse the values of the Java system properties.
ThreadExecutorMap	Allow to retrieve the EventExecutor for the calling Thread.
ThreadLocalRandom	Deprecated.
ThrowableUtil
TypeParameterMatcher
UnsafeReferenceCountUpdater<T extends ReferenceCounted>
VarHandleReferenceCountUpdater<T extends ReferenceCounted>

Enum Summary

Enum	Description
ReferenceCountUpdater.UpdaterType

Error Summary

Error	Description
OutOfDirectMemoryError	OutOfMemoryError that is throws if PlatformDependent.allocateDirectNoCleaner(int) can not allocate a new ByteBuffer due memory restrictions.

Annotation Types Summary

Annotation Type	Description
SuppressJava6Requirement	Deprecated.
SuppressJava8Requirement	Annotation to suppress the Java 8 source code requirement checks for a method.
UnstableApi	Indicates a public API that can change at any time (even in minor/bugfix releases).