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## javax.servlet
Interface ServletRegistration.Dynamic

All Superinterfaces:
  Registration, Registration.Dynamic, ServletRegistration

All Known Implementing Classes:
  ServletHolder.Registration

Enclosing interface:
  ServletRegistration

    public static interface ServletRegistration.Dynamic

extends ServletRegistration, Registration.Dynamic

Interface through which a `Servlet` registered via one of the `addServlet` methods on `ServletContext` may be further configured.

Nested Class Summary

Nested classes/interfaces inherited from interface javax.servlet.ServletRegistration
`ServletRegistration.Dynamic`

Method Summary
`void` | `setLoadOnStartup(int loadOnStartup)` Sets the `loadOnStartup` priority on the Servlet represented by this dynamic ServletRegistration.
`void` | `setMultipartConfig(MultipartConfigElement multipartConfig)` Sets the `MultipartConfigElement` to be applied to the mappings defined for this `ServletRegistration`.
`void` | `setRunAsRole(java.lang.String roleName)` Sets the name of the `runAs` role for this `ServletRegistration`.
`java.util.Set<java.lang.String>` | `setServletSecurity(ServletSecurityElement constraint)` Sets the `ServletSecurityElement` to be applied to the mappings defined for this `ServletRegistration`.

Methods inherited from interface javax.servlet.ServletRegistration
`addMapping, getMappings, getRunAsRole`

Methods inherited from interface javax.servlet.Registration.Dynamic
`setAsyncSupported`

Methods inherited from interface javax.servlet.Registration
`getClassName, getInitParameter, getInitParameters, getName, setInitParameter, setInitParameters`

Method Detail

### setLoadOnStartup

    void setLoadOnStartup(int loadOnStartup)

  Sets the `loadOnStartup` priority on the Servlet represented by this dynamic ServletRegistration.

  A `loadOnStartup` value of greater than or equal to zero indicates to the container the initialization priority of the Servlet. In this case, the container must instantiate and initialize the Servlet during the initialization phase of the ServletContext, that is, after it has invoked all of the ServletContextListener objects configured for the ServletContext at their `ServletContextListener.contextInitialized(javax.servlet.ServletContextEvent)` method.

  If `loadOnStartup` is a negative integer, the container is free to instantiate and initialize the Servlet lazily.

  The default value for `loadOnStartup` is `-1`.

  A call to this method overrides any previous setting.

  Parameters:
    `loadOnStartup` - the initialization priority of the Servlet
  Throws:
    `java.lang.IllegalStateException` - if the ServletContext from which this ServletRegistration was obtained has already been initialized

### setServletSecurity

    java.util.Set<java.lang.String> setServletSecurity(ServletSecurityElement constraint)

  Sets the `ServletSecurityElement` to be applied to the mappings defined for this `ServletRegistration`.

  This method applies to all mappings added to this `ServletRegistration` up until the point that the `ServletContext` from which it was obtained has been initialized.

  If a URL pattern of this ServletRegistration is an exact target of a `security-constraint` that was established via the portable deployment descriptor, then this method does not change the `security-constraint` for that pattern, and the pattern will be included in the return value.

  If a URL pattern of this ServletRegistration is an exact target of a security constraint that was established via the `ServletSecurity` annotation or a previous call to this method, then this method replaces the security constraint for that pattern.

  If a URL pattern of this ServletRegistration is neither the exact target of a security constraint that was established via the `ServletSecurity` annotation or a previous call to this method, nor the exact target of a `security-constraint` in the portable deployment descriptor, then this method establishes the security constraint for that pattern from the argument `ServletSecurityElement`.

  Parameters:
    `constraint` - the `ServletSecurityElement` to be applied to the patterns mapped to this ServletRegistration
  Returns:
    the (possibly empty) Set of URL patterns that were already the exact target of a `security-constraint` that was established via the portable deployment descriptor. This method has no effect on the patterns included in the returned set
  Throws:
    `java.lang.IllegalArgumentException` - if `constraint` is null
    `java.lang.IllegalStateException` - if the `ServletContext` from which this `ServletRegistration` was obtained has already been initialized

### setMultipartConfig

    void setMultipartConfig(MultipartConfigElement multipartConfig)

  Sets the `MultipartConfigElement` to be applied to the mappings defined for this `ServletRegistration`. If this method is called multiple times, each successive call overrides the effects of the former.

  Parameters:
    `multipartConfig` - the `MultipartConfigElement` to be applied to the patterns mapped to the registration
  Throws:
    `java.lang.IllegalArgumentException` - if `multipartConfig` is null
    `java.lang.IllegalStateException` - if the `ServletContext` from which this ServletRegistration was obtained has already been initialized

### setRunAsRole

    void setRunAsRole(java.lang.String roleName)

  Sets the name of the `runAs` role for this `ServletRegistration`.

  Parameters:
    `roleName` - the name of the `runAs` role
  Throws:
    `java.lang.IllegalArgumentException` - if `roleName` is null
    `java.lang.IllegalStateException` - if the `ServletContext` from which this ServletRegistration was obtained has already been initialized

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