org.fosstrak.llrp.adaptor.util
Class AsynchronousNotifiableList

java.lang.Object
  org.fosstrak.llrp.adaptor.util.AsynchronousNotifiableList

All Implemented Interfaces:

java.rmi.Remote, AsynchronousNotifiable

public class AsynchronousNotifiableList
extends java.lang.Object
implements AsynchronousNotifiable

helper class to maintain a list of asynchronous message receivers. the helper checks whether there are transmission exception, and if so then the respective receivers get dropped after a certain number of erroneous transmissions.

Author:

swieland

Field Summary

static int

NUM_NON_RECHABLE_ALLOWED remove the receiver after this number of unsuccessful connection attempts.

Constructor Summary

AsynchronousNotifiableList()

Method Summary

void	add(AsynchronousNotifiable entry) add a new receiver to the list.
java.util.List<org.fosstrak.llrp.adaptor.util.AsynchronousNotifiableList.Receiver>	getAll()
void	notify(byte[] message, java.lang.String readerName) notify all the receivers with a new message.
void	notifyError(LLRPRuntimeException e, java.lang.String readerName) notify all the receivers about an exception in the reader module.
void	remove(AsynchronousNotifiable entry) removes a receiver from the list.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NUM_NON_RECHABLE_ALLOWED

public static final int NUM_NON_RECHABLE_ALLOWED

remove the receiver after this number of unsuccessful connection attempts.

See Also:

Constant Field Values

Constructor Detail

AsynchronousNotifiableList

public AsynchronousNotifiableList()

Method Detail

add

public void add(AsynchronousNotifiable entry)

add a new receiver to the list.

Parameters:

entry - the new receiver to be stored in the list.

remove

public void remove(AsynchronousNotifiable entry)

removes a receiver from the list.

Parameters:

entry - the receiver to be removed.

notify

public void notify(byte[] message,
                   java.lang.String readerName)
            throws java.rmi.RemoteException

notify all the receivers with a new message.

Specified by:

notify in interface AsynchronousNotifiable

Parameters:

message - the LLRP message.

readerName - the reader that delivered the message.

Throws:

java.rmi.RemoteException - when there is an RMI exception.

notifyError

public void notifyError(LLRPRuntimeException e,
                        java.lang.String readerName)
                 throws java.rmi.RemoteException

notify all the receivers about an exception in the reader module.

Specified by:

notifyError in interface AsynchronousNotifiable

Parameters:

e - the exception.

readerName - the reader that delivered the exception.

Throws:

java.rmi.RemoteException - when there is an RMI exception.

getAll

public java.util.List<org.fosstrak.llrp.adaptor.util.AsynchronousNotifiableList.Receiver> getAll()

Returns:

a list holding all the registered receivers.