Package org.tools4j.nobark.queue

Provides interfaces and different implementations of conflation queues -- efficient lock-free queues with a built-in safety mechanism to prevent overflow by the producer.

See: Description

Interface Summary

Interface	Description
AppenderListener<K,V>	A listener for an appender of a ConflationQueue for instance useful to record performance metrics related to enqueue operations.
ConflationQueue<K,V>	A conflation queue is a queue with a safety mechanism to prevent overflow.
ConflationQueue.Appender<K,V>	Appender used by the producer to enqueue values.
ConflationQueue.Poller<K,V>	Poller object used by the consumer to poll values.
ConflationQueueBuilder<K,V>	Builder for the different types of conflation queues serving as alternative to the queue constructors; a builder is returned by the static methods of this interface.
ConflationQueueBuilder.ExchangeConflationQueueBuilder<K,V>	Builder for ExchangeConflationQueue subtypes.
ConflationQueueBuilderImpl.CqFactory<K,V>	Builder-internal factory for different types of conflation queues.
ExchangeConflationQueue<K,V>	A conflation queue variant that allows exchanging of elements between the consumer and the producer.
ExchangeConflationQueue.ExchangePoller<K,V>	Poller object used by the consumer to poll values; exchange poller adds functionality for exchanging values with the producer during poll operations.
Merger<K,V>	Merger strategy passed to some conflation queues upon construction to support merging of values when conflation occurs.
PollerListener<K,V>	A listener for an poller of a ConflationQueue for instance useful to record performance metrics related to poll operations.

Class Summary

Class	Description
AtomicConflationQueue<K,V>	A conflation queue implementation that atomically evicts old values from the queue if a new one is enqueued with the same conflation key.
ConflationQueueBuilderImpl<K,V>	Package local builder implementation as returned by the static methods of ConflationQueueBuilder.
ConflationQueueBuilderImpl.DeclaredKeysBuilder<K,V>	Builder for the case that conflation keys are declared.
ConflationQueueBuilderImpl.DefaultBuilder<K,V>	Default builder for the case that no conflation keys are declared.
ConflationQueueBuilderImpl.EnumKeyBuilder<K extends java.lang.Enum<K>,V>	Builder for enum conflation key types.
Entry<K,V>	Package local immutable wrapper object used by the queue implementations; holds conflation key and a value.
EvictConflationQueue<K,V>	A conflation queue implementation that evicts old values from the queue if a new one is enqueued with the same conflation key.
MergeConflationQueue<K,V>	A conflation queue implementation that merges old and new value if a value is enqueued and another one already exists in the queue with the same conflation key.

Enum Summary

Enum	Description
AppenderListener.Conflation	The type of conflation that occurred when an element was enqueued.

Package org.tools4j.nobark.queue Description

Provides interfaces and different implementations of conflation queues -- efficient lock-free queues with a built-in safety mechanism to prevent overflow by the producer.