Package io.netty.util.internal
Internal-use-only utilities which is not allowed to be used
outside Netty.
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Interface Summary Interface Description Cleaner Allows to free directByteBuffers.LongCounter Counter for long.ObjectPool.Handle<T> Handle for an pooledObjectthat will be used to notify theObjectPoolonce it can reuse the pooledObjectagain.ObjectPool.ObjectCreator<T> Creates a new Object which references the givenObjectPool.Handleand callsObjectPool.Handle.recycle(Object)once it can be re-used.PlatformDependent.ThreadLocalRandomProvider PriorityQueue<T> PriorityQueueNode Provides methods forDefaultPriorityQueueto maintain internal state. -
Class Summary Class Description AppendableCharSequence CleanerJava6 Allows to free directByteBufferby using Cleaner.CleanerJava9 Provide a way to clean a ByteBuffer on Java9+.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 4.2InternalThreadLocalMap The internal data structure that stores the thread-local variables for Netty and allFastThreadLocals.LongAdderCounter MacAddressUtil MathUtil Math utility methods.NativeLibraryLoader Helper class to load JNI resources.NativeLibraryLoader.NoexecVolumeDetector NativeLibraryUtil A Utility to Call theSystem.load(String)orSystem.loadLibrary(String).NoOpTypeParameterMatcher ObjectCleaner Allows a way to register someRunnablethat will executed once there are no references to anObjectanymore.ObjectCleaner.AutomaticCleanerReference ObjectPool<T> Light-weight object pool.ObjectPool.RecyclerObjectPool<T> 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 thesun.misc.Unsafeobject.PlatformDependent.AtomicLongCounter PlatformDependent.Mpsc PlatformDependent0 ThePlatformDependentoperations which requires access tosun.misc.*.PromiseNotificationUtil Internal utilities to notifyPromises.ReadOnlyIterator<T> RecyclableArrayList A simple list which is recyclable.ReferenceCountUpdater<T extends ReferenceCounted> Common logic forReferenceCountedimplementationsReflectionUtil ResourcesUtil A utility class that provides various common operations and constants related to loading resourcesSocketUtils Provides socket operations with privileges enabled.StringUtil String utility class.SystemPropertyUtil A collection of utility methods to retrieve and parse the values of the Java system properties.ThreadExecutorMap Allow to retrieve theEventExecutorfor the callingThread.ThreadLocalRandom A random number generator isolated to the current thread.ThrowableUtil TypeParameterMatcher TypeParameterMatcher.ReflectiveMatcher UnpaddedInternalThreadLocalMap The internal data structure that stores the thread-local variables for Netty and allFastThreadLocals. -
Error Summary Error Description OutOfDirectMemoryError OutOfMemoryErrorthat is throws ifPlatformDependent.allocateDirectNoCleaner(int)can not allocate a newByteBufferdue memory restrictions. -
Annotation Types Summary Annotation Type Description SuppressJava6Requirement Annotation to suppress the Java 6 source code requirement checks for a method.UnstableApi Indicates a public API that can change at any time (even in minor/bugfix releases).