? ServiceUnavailableException
java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
org.osgi.framework.ServiceException
org.osgi.service.blueprint.container.ServiceUnavailableException
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Serializable
public class ServiceUnavailableException
extends org.osgi.framework.ServiceException
A Blueprint exception indicating that a service is unavailable.
This exception is thrown when an invocation is made on a service reference
and a backing service is not available.
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??????? org.osgi.framework.ServiceException
ASYNC_ERROR, FACTORY_ERROR, FACTORY_EXCEPTION, FACTORY_RECURSION, REMOTE, SUBCLASSED, UNREGISTERED, UNSPECIFIED
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????????ServiceUnavailableException
(String message, String filter) Creates a Service Unavailable Exception with the specified message.ServiceUnavailableException
(String message, String filter, Throwable cause) Creates a Service Unavailable Exception with the specified message and exception cause. -
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??????? org.osgi.framework.ServiceException
getType
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ServiceUnavailableException
Creates a Service Unavailable Exception with the specified message.- ??:
message
- The associated message.filter
- The filter used for the service lookup.
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ServiceUnavailableException
Creates a Service Unavailable Exception with the specified message and exception cause.- ??:
message
- The associated message.filter
- The filter used for the service lookup.cause
- The cause of this exception.
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getFilter
Returns the filter expression that a service would have needed to satisfy in order for the invocation to proceed.- ??:
- The failing filter.
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