org.apache.camel
Interface IsSingleton

All Known Subinterfaces:

BrowsableEndpoint, Endpoint, Producer

All Known Implementing Classes:

BeanEndpoint, BeanLanguage, BindingEndpoint, BindingProducer, BrowseEndpoint, CollectionProducer, ConstantLanguage, ControlBusEndpoint, ControlBusProducer, DataFormatEndpoint, DataSetEndpoint, DefaultAsyncProducer, DefaultEndpoint, DefaultPollingEndpoint, DefaultProducer, DirectBlockingProducer, DirectEndpoint, DirectProducer, DirectVmBlockingProducer, DirectVmEndpoint, DirectVmProducer, FileEndpoint, FileLanguage, GenericFileEndpoint, GenericFileProducer, HeaderLanguage, InterceptSendToEndpoint, LanguageEndpoint, LanguageProducer, LanguageSupport, LogEndpoint, LogProducer, MockEndpoint, ProcessorEndpoint, PropertyLanguage, RefLanguage, ResourceEndpoint, ScheduledPollEndpoint, SedaEndpoint, SedaProducer, SimpleLanguage, SynchronousDelegateProducer, TestEndpoint, TimerEndpoint, TokenizeLanguage, UnitOfWorkProducer, XPathLanguage, XsltEndpoint

public interface IsSingleton

Used for defining if a given class is singleton or not. If the class is a singleton, then a single instance will be shared (and hence should be treated as immutable and be used in a thread-safe manner).

This interface is not implemented as a marker interface (i.e., it's necessary to read isSingleton() instead of instanceof(IsSingleton)). This allows for subclasses to have a singleton status different from a parent and for objects to have this value dynamically changed.

Camel component is very often singleton based, only a few components is not.

Version:

Method Summary

boolean

isSingleton() Whether this class supports being singleton or not.

Method Detail

isSingleton

boolean isSingleton()

Whether this class supports being singleton or not.

Returns:

true to be a single shared instance, false to create new instances.