Class OSGiAccess

Method Detail

• getInstance

  public static OSGiAccess getInstance()

  Gets the singleton instance.

  Returns:

  the singleton instance

• getOsgiServletContext

  public ServletContext getOsgiServletContext()

  Gets a servlet context instance which is used to track registries which are storage of scanned classes.

  This is not a real servlet context. It's just a proxied unique instance which is used to be able to access registries in a generic way via some getInstance(ServletContext) method.

  Returns:

• setServletContainerInitializers

  public void setServletContainerInitializers(Collection<Class<? extends ServletContainerInitializer>> contextInitializers)

  Sets the discovered servlet context initializer classes.

  The OSGi bundle tracker is used to scan all classes in bundles and it also scans flow-server module for servlet initializer classes. They are set using this method once they are collected.

  Parameters:

  contextInitializers - servlet context initializer classes

• hasInitializers

  public boolean hasInitializers()

  Checks whether the servlet initializers are discovered.

  Returns:

  true if servlet initializers are set, false otherwise

• addScannedClasses

  public void addScannedClasses(Map<Long,Collection<Class<?>>> extenderClasses)

  Adds scanned classes in active bundles.

  The map contains a bundle id as a key and classes discovered in the bundle as a value.

  Parameters:

  extenderClasses - a map with discovered classes in active bundles

• removeScannedClasses

  public void removeScannedClasses(Long bundleId)

  Removes classes from the bundle identified by the bundleId.

  When a bundle becomes inactive its classes should not be used anymore. This method removes the classes from the bundle from the collection of discovered classes.

  Parameters:

  bundleId - the bundle identifier