Package org.neo4j.helpers

Common Java utilities.

See: Description

Interface Summary

Interface	Description
ArrayUtil.ArrayEquality
Cancelable
CancellationRequest	Represents the concept of a cancellation notification towards a task.
Clock	Deprecated please use Clock instead
CloneableInPublic
Listeners.Notification<T>
NamedThreadFactory.Monitor
TaskControl	Represents a control handle passed to a child task which allows the creator to cancel it.
TransactionTemplate.Monitor

Class Summary

Class	Description
AdvertisedSocketAddress
Args	Parses a String[] argument from a main-method.
Args.ArgsParser
Args.Option<T>
ArrayUtil	Methods "missing" from Arrays are provided here.
Assertion
FailableConcurrentTransfer<TYPE>	Abstracts a meeting point between two threads, where a reference can change hands.
Format
FutureAdapter<V>
FutureAdapter.Present<V>
HostnamePort	Represents a hostname and port, optionally with a port range.
Listeners<T>	Mutable thread-safe container of listeners that can be notified with Listeners.Notification.
ListenSocketAddress
NamedThreadFactory
ProcessFailureException.Entry
Reference<T>
RunCarefully
Service	A utility for locating services.
SocketAddress	Socket address derived from configuration.
SocketAddressParser
Strings	Helper functions for working with strings.
TaskCoordinator	Represents a collection point for various TaskControl instances that need to be waited on and potentially cancelled en mass.
TimeUtil
TransactionTemplate	Neo4j transaction template that automates the retry-on-exception logic.
TransactionTemplate.Monitor.Adapter
Uris	Functions for working with URIs

Exception Summary

Exception	Description
PortBindException	A bind exception that includes which port we failed to bind to.
ProcessFailureException

Error Summary

Error	Description
ThisShouldNotHappenError	Deprecated Use IllegalStateException, IllegalArgumentException, UnsupportedOperationException or AssertionError instead.

Annotation Types Summary

Annotation Type	Description
Service.Implementation	Designates that a class implements the specified service and should be added to the services listings file (META-INF/services/[service-name]).

Package org.neo4j.helpers Description

Common Java utilities. A collection of useful utilities which you very often find yourself needing, but you can't (as of yet) find in the core Java SDK.