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Java Source Code / Java Documentation » Library » Apache beehive 1.0.2 src » org.apache.beehive.netui.pageflow.requeststate   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.beehive.netui.pageflow.requeststate.NameService NameService final public class NameService implements java.io.Serializable(Code) This class implements a service that will name and track objects which implement the INameable interface. The typical use of this class is in the XmlHttpRequest request processing to lookup the object that should handle the request. Field Summary final public static  String NAME_SERVICE_MUTEX_ATTRIBUTE      Method Summary public  void addNamingObjectListener(NamingObjectListener nol)      This method will add a NamingObjectListener to the set of listeners for the NamingObject event. Parameters:   nol - The NamingObjectListener to add as a listener. public  void debugSetNameIntValue(int val)      This is a debug method that will set the next integer value. public  INameable get(String name)      Given the name, return the INameable object stored by the NameService. public  Map getMap(String name, boolean create)      This method will return the state map associated with the Nameable object if the object has been stored in the NameService and something has been stored into the Map. public static  NameService instance(HttpSession session)      This will return the session specific instance of a NameService. public synchronized  void nameObject(String namePrefix, INameable object)      This method will create a unique name for an INameable object. public  void put(INameable object)      This method will store an INameable object into the NameService. public  void removeNamingObjectListener(NamingObjectListener nol)      This method will remove a NamingObjectListener from the set of listeners. public static synchronized  NameService staticInstance()      This will return a create a static name service. Field Detail NAME_SERVICE_MUTEX_ATTRIBUTE final public static String NAME_SERVICE_MUTEX_ATTRIBUTE(Code) Method Detail addNamingObjectListener public void addNamingObjectListener(NamingObjectListener nol)(Code) This method will add a NamingObjectListener to the set of listeners for the NamingObject event. Parameters:   nol - The NamingObjectListener to add as a listener. This must not be null. throws:   IllegalArgumentException - when nol is null. debugSetNameIntValue public void debugSetNameIntValue(int val)(Code) This is a debug method that will set the next integer value. This is used so tests can force the name. Parameters:   val - the integer value that will be forced to be the next value. get public INameable get(String name)(Code) Given the name, return the INameable object stored by the NameService. Objects are stored in the NameService using WeakReferences so this will not keep an object alive. If the object is not found or has been reclaimed, this method will return null. Parameters:   name - The name of the object to get from the NameService INameable If the named object is stored by the name service, it will be returned otherwisenull is returned. getMap public Map getMap(String name, boolean create)(Code) This method will return the state map associated with the Nameable object if the object has been stored in the NameService and something has been stored into the Map. Otherwise this will return null indicating that the map is empty. If the create parameter is true, we will always return the Map object. Parameters:   name - The name of the object to return the named object. This must not be null. Parameters:   create - This will create the map if necessary. A Map Object for the named object. This will return null if nothing has been stored inthe map and create is false. instance public static NameService instance(HttpSession session)(Code) This will return the session specific instance of a NameService. There will only be a single NameService per session. Parameters:   session - the HttpSession that contains the NameService the NameService associated with the session. nameObject public synchronized void nameObject(String namePrefix, INameable object)(Code) This method will create a unique name for an INameable object. The name will be unque within the session. This will throw an IllegalStateException if INameable.setObjectName has previously been called on object. Parameters:   namePrefix - The prefix of the generated name. Parameters:   object - the INameable object. throws:   IllegalStateException - if this method is called more than once for an object put public void put(INameable object)(Code) This method will store an INameable object into the NameService. The name is obtained from the INameable. The object will be stored in the NameService with a WeakReference so the NameService will not keep an object alive. Parameters:   object - The INameable to be stored in the name service. removeNamingObjectListener public void removeNamingObjectListener(NamingObjectListener nol)(Code) This method will remove a NamingObjectListener from the set of listeners. If the It is safe to call this if the NamingObjectListener hasn't been added to the listener list. Parameters:   nol - The NamingObjectListener to remove as a listener. This must not be null. throws:   IllegalArgumentException - when nol is null. staticInstance public static synchronized NameService staticInstance()(Code) This will return a create a static name service. This is used mainly to test the Name service class. The statically scoped NameService Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)