@NonNullByDefault

Package com.linecorp.armeria.common.util

Generic utility classes.

Interface Summary

Interface	Description
AsyncCloseable	An object that may hold resources until it is closed.
Listenable<T>	An interface that accepts item change listeners.
ReleasableHolder<T>	A holder of releasable resource ReleasableHolder.
SafeCloseable	An AutoCloseable whose SafeCloseable.close() method does not throw an exception.
Sampler<T>	Sampler is responsible for deciding if a particular trace should be "sampled", i.e. whether the overhead of tracing will occur and/or if a trace will be reported to the collection tier.
Ticker	A time source; returns a time value representing the number of nanoseconds elapsed since some fixed but arbitrary point in time.
Unwrappable	Provides a way to unwrap an object in decorator pattern, similar to down-casting in an inheritance pattern.

Class Summary

Class	Description
AbstractListenable<T>	A skeletal Listenable implementation.
AbstractOption<T>	A configuration option.
AbstractOptions	A set of configuration options and their respective values.
AbstractOptionValue<O extends AbstractOption<V>,V>	A holder of a value of an AbstractOption.
AbstractUnwrappable<T extends Unwrappable>	Skeletal Unwrappable imlementation.
CompletionActions	Provides the common actions that are useful when handling a CompletionStage.
EventLoopGroups	Provides methods that are useful for creating an EventLoopGroup.
EventLoopThreadFactory	Deprecated. Use ThreadFactories.newEventLoopThreadFactory(String, boolean) or ThreadFactories.builder(String).
Exceptions	Provides methods that are useful for handling exceptions.
Functions	Utility methods related with function composition.
InetAddressPredicates	A utility class which provides factory methods in order to easily create a Predicate of an InetAddress.
LruMap<T,U>	LRU (Least Recently Used) cache Map.
NativeLibraries	Deprecated. Use Flags instead.
StartStopSupport<T,U,V,L>	Provides asynchronous start-stop life cycle support.
SystemInfo	Provides utilities for accessing the information about the current system and process.
TextFormatter	A utility class to format things as a String with ease.
ThreadFactories	Provides a builder for ThreadFactory.
ThreadFactoryBuilder	Builds a new ThreadFactory.
Version	Retrieves the version information of available Armeria artifacts.

Annotation Types Summary

Annotation Type	Description
NonNullByDefault	An annotation that signifies the return values, parameters and fields are non-nullable by default leveraging the JSR-305 Nonnull annotation.