Uses of Package
org.jgroups.util

Packages that use org.jgroups.util

org.jgroups	Provides top-level public JGroups classes such as Channel, Message, etc.
org.jgroups.auth
org.jgroups.blocks	Provides building blocks that are layered on top of channels.
org.jgroups.blocks.executor
org.jgroups.blocks.locking
org.jgroups.blocks.mux
org.jgroups.conf	Provides ways to configure a protocol stack.
org.jgroups.demos	Provides demonstrations of JGroups functionality.
org.jgroups.mux
org.jgroups.protocols	Provides implementations of transport protocols which are responsible for sending and receiving messages to/from the network.
org.jgroups.protocols.pbcast	Supports probabilistic broadcasts.
org.jgroups.stack	Support for managing protocol stacks.
org.jgroups.util	Provides useful functionality which cannot be assigned to any particular other package.

Classes in org.jgroups.util used by org.jgroups

Buffer
Buffer with an offset and length.

Headers
Open addressing based implementation of a hashmap (not supporting the Map interface though) for message headers.

SocketFactory
Factory to create various types of sockets.

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

Classes in org.jgroups.util used by org.jgroups.auth

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

Classes in org.jgroups.util used by org.jgroups.blocks

Buffer
Buffer with an offset and length.

Command
The Command patttern (see Gamma et al.).

FutureListener
A listener that is called back when a future is done.

NotifyingFuture
A sub-interface of a Future, that allows for listeners to be attached so that observers can be notified when the future completes.

Promise
Allows a thread to submit an asynchronous request and to wait for the result.

Rsp
class that represents a response from a communication

RspList
Contains responses from all members.

SocketFactory
Factory to create various types of sockets.

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

ThreadFactory

Classes in org.jgroups.util used by org.jgroups.blocks.executor

FutureListener
A listener that is called back when a future is done.

NotifyingFuture
A sub-interface of a Future, that allows for listeners to be attached so that observers can be notified when the future completes.

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

Classes in org.jgroups.util used by org.jgroups.blocks.locking

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

Classes in org.jgroups.util used by org.jgroups.blocks.mux

ImmutableReference
Simple class that holds an immutable reference to another object (or to null).

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

Classes in org.jgroups.util used by org.jgroups.conf

Tuple
Holds 2 values, useful when we have a map with a key, but more than 1 value and we don't want to create a separate holder object for the values, and don't want to pass the values as a list or array.

Classes in org.jgroups.util used by org.jgroups.demos

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

Classes in org.jgroups.util used by org.jgroups.mux

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

Classes in org.jgroups.util used by org.jgroups.protocols

AgeOutCache
Cache which removes its elements after a certain time

AgeOutCache.Handler

BoundedList
A bounded subclass of LinkedList, oldest elements are removed once max capacity is exceeded.

Buffer
Buffer with an offset and length.

CreditMap
Maintains credits for senders, when credits fall below 0, a sender blocks until new credits have been received.

Promise
Allows a thread to submit an asynchronous request and to wait for the result.

SocketFactory
Factory to create various types of sockets.

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

ThreadFactory

TimeScheduler
Timer-like interface which allows for execution of tasks.

UUID
Logical address which is unique over space and time.

Classes in org.jgroups.util used by org.jgroups.protocols.pbcast

AckCollector
Collects acks from a number of nodes, waits for all acks.

BoundedList
A bounded subclass of LinkedList, oldest elements are removed once max capacity is exceeded.

Digest
A message digest, which is used by the PBCAST layer for gossiping (also used by NAKACK for keeping track of current seqnos for all members).

MergeId
ID to uniquely identify a merge

Range

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

TimeScheduler
Timer-like interface which allows for execution of tasks.

Classes in org.jgroups.util used by org.jgroups.stack

Seqno
Keeps track of a single message to retransmit

SocketFactory
Factory to create various types of sockets.

StackType

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

ThreadFactory

TimeScheduler
Timer-like interface which allows for execution of tasks.

TimeScheduler.Task
The interface that dynamic tasks (TimeScheduler.scheduleWithDynamicInterval(org.jgroups.util.TimeScheduler.Task)) must implement

Tuple
Holds 2 values, useful when we have a map with a key, but more than 1 value and we don't want to create a separate holder object for the values, and don't want to pass the values as a list or array.

Classes in org.jgroups.util used by org.jgroups.util

AdditionalDataUUID
Subclass of UUID which adds a string as payload.

AgeOutCache.Handler

Buffer
Buffer with an offset and length.

DefaultThreadFactory
Thread factory mainly responsible for naming of threads.

Digest
A message digest, which is used by the PBCAST layer for gossiping (also used by NAKACK for keeping track of current seqnos for all members).

Digest.Entry
Class keeping track of the lowest and highest sequence numbers delivered, and the highest sequence numbers received, per member.

ExposedByteArrayOutputStream
Extends ByteArrayOutputStream, but exposes the internal buffer.

ExposedDataOutputStream

FutureListener
A listener that is called back when a future is done.

HashedTimingWheel.MyTask
Simple task wrapper, always executed by at most 1 thread.

Headers
Open addressing based implementation of a hashmap (not supporting the Map interface though) for message headers.

MergeId
ID to uniquely identify a merge

NotifyingFuture
A sub-interface of a Future, that allows for listeners to be attached so that observers can be notified when the future completes.

PayloadUUID
Subclass of UUID which adds a string as payload.

Queue
Elements are added at the tail and removed from the head.

QueueClosedException

Range

Rsp
class that represents a response from a communication

RspList
Contains responses from all members.

Seqno
Keeps track of a single message to retransmit

SocketFactory
Factory to create various types of sockets.

StackType

Streamable
Implementations of Streamable can add their state directly to the output stream, enabling them to bypass costly serialization

ThreadDecorator
An object that can alter the state of a thread when it receives a callback from a ThreadManager notifying it that the thread has been created or released from use.

ThreadFactory

ThreadManager
An object that manages threads and provides callbacks to a ThreadDecorator to allow it to alter their state.

TimeScheduler
Timer-like interface which allows for execution of tasks.

TimeScheduler.Task
The interface that dynamic tasks (TimeScheduler.scheduleWithDynamicInterval(org.jgroups.util.TimeScheduler.Task)) must implement

TimeScheduler2.MyTask
Simple task wrapper, always executed by at most 1 thread.

TopologyUUID
Subclass of UUID which adds 3 strings (siteId, rackId and machineId)as payload.

Triple
Holds 3 values, useful when we have a map with a key, but more than 1 value and we don't want to create a separate holder object for the values, and don't want to pass the values as a list or array.

Tuple
Holds 2 values, useful when we have a map with a key, but more than 1 value and we don't want to create a separate holder object for the values, and don't want to pass the values as a list or array.

Util.AddressScope

UUID
Logical address which is unique over space and time.