Package org.jboss.msc.service
Class AbstractService<T>
- java.lang.Object
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- org.jboss.msc.service.AbstractService<T>
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- Type Parameters:
T
- the value type
- Direct Known Subclasses:
NullService
public abstract class AbstractService<T> extends java.lang.Object implements Service<T>
An abstract service class which provides default implementations.
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Field Summary
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Fields inherited from interface org.jboss.msc.service.Service
NULL, NULL_VALUE
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Constructor Summary
Constructors Constructor Description AbstractService()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description T
getValue()
Get the actual value.void
start(StartContext context)
Start the service.void
stop(StopContext context)
Stop the service.
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Method Detail
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start
public void start(StartContext context) throws StartException
Start the service. Do not return until the service has been fully started, unless an asynchronous service start is performed. All injections will be complete before this method is called.If the service start involves any activities that may block, the asynchronous mechanism provided by the
context
should be used. See theclass javadoc
for details. This implementation does nothing.- Specified by:
start
in interfaceService<T>
- Parameters:
context
- the context which can be used to trigger an asynchronous service start- Throws:
StartException
- if the service could not be started for some reason
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stop
public void stop(StopContext context)
Stop the service. Do not return until the service has been fully stopped, unless an asynchronous service stop is performed. All injections will remain intact until the service is fully stopped. This method should not throw an exception.If the service start involves any activities that may block, the asynchronous mechanism provided by the
context
should be used. See theclass javadoc
for details. This implementation does nothing.
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getValue
public T getValue() throws java.lang.IllegalStateException
Get the actual value. This implementation returnsnull
.
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