- java.lang.Object
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- javax.xml.ws.spi.Invoker
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public abstract class Invoker extends Object
Invoker hides the detail of calling into application endpoint implementation. Container hands over an implementation of Invoker to JAX-WS runtime, and jax-ws runtime callsinvoke(java.lang.reflect.Method, java.lang.Object...)for a web service invocation. Finally, Invoker does the actual invocation of web service on endpoint instance. Container also injects the providedWebServiceContextand takes care of invokingjavax.annotation.PostConstructmethods, if present, on the endpoint implementation.- Since:
- JAX-WS 2.2
- See Also:
Provider.createEndpoint(String, Class, Invoker, WebServiceFeature...)
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Constructor Summary
Constructors Constructor and Description Invoker()
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Method Summary
Methods Modifier and Type Method and Description abstract voidinject(WebServiceContext webServiceContext)JAX-WS runtimes calls this method to ask container to inject WebServiceContext on the endpoint instance.abstract Objectinvoke(Method m, Object... args)JAX-WS runtime calls this method to do the actual web service invocation on endpoint instance.
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Method Detail
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inject
public abstract void inject(WebServiceContext webServiceContext) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException
JAX-WS runtimes calls this method to ask container to inject WebServiceContext on the endpoint instance. TheWebServiceContextobject uses thread-local information to return the correct information during the actual endpoint invocation regardless of how many threads are concurrently being used to serve requests.- Parameters:
webServiceContext- a holder for MessageContext- Throws:
IllegalAccessException- if the injection done by reflection API throws this exceptionIllegalArgumentException- if the injection done by reflection API throws this exceptionInvocationTargetException- if the injection done by reflection API throws this exception
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invoke
public abstract Object invoke(Method m, Object... args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException
JAX-WS runtime calls this method to do the actual web service invocation on endpoint instance. The injectedWebServiceContext.getMessageContext()gives the correct information for this invocation.- Parameters:
m- Method to be invoked on the serviceargs- Method arguments- Returns:
- return value of the method
- Throws:
IllegalAccessException- if the invocation done by reflection API throws this exceptionIllegalArgumentException- if the invocation done by reflection API throws this exceptionInvocationTargetException- if the invocation done by reflection API throws this exception- See Also:
Method.invoke(java.lang.Object, java.lang.Object...)
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Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-javax/xml/ws/spi/Invoker.html
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References
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