@Override
public Proxy<?>[] releaseProxy(boolean destroy) {
if (connectionStateMachine.isConnected()) {
setConnectionState(ConnectionState.DISCONNECTING, null);
}
if (this.proxy != null) {
this.proxy.removeProxyListener(proxyListener);
if (this.directoryProxy != null && this.directoryProxy != this.proxy) {
this.directoryProxy.removeProxyListener(proxyListener);
}
}
Proxy<?>[] p = super.releaseProxy(destroy);
if (connectionStateMachine.getConnectionState() == ConnectionState.DISCONNECTING) {
setConnectionState(ConnectionState.DISCONNECTED, null);
}
if (destroy) {
setConnectionState(ConnectionState.DESTROYED, null);
linkListeners.clear();
responseListeners.clear();
}
return p;
}
/**
* Notifies all the <code>GroupListener<code> objects, about members added/removed.
*
* @param event Group event
* @param added <code>true</code> if members were added, <code>false</code> otherwise.
*/
protected void fireGroupEvent(DeviceGroupEvent<T> event, boolean added) {
if (groupListeners == null) {
return;
}
DeviceGroupListener<T>[] l = (DeviceGroupListener<T>[]) groupListeners.toArray();
if (added) {
for (int i = 0; i < l.length; i++) {
try {
l[i].membersAdded(event);
} catch (Exception e) {
Logger.getLogger(DeviceCollectionMap.class)
.warn("Error in event handler, continuing.", e);
}
}
} else {
for (int i = 0; i < l.length; i++) {
try {
l[i].membersRemoved(event);
} catch (Exception e) {
Logger.getLogger(DeviceCollectionMap.class)
.warn("Error in event handler, continuing.", e);
}
}
}
}
/* (non-Javadoc)
* @see org.csstudio.dal.group.DeviceCollection#getGroupListners()
*/
public DeviceGroupListener<T>[] getDeviceGroupListners() {
if (groupListeners != null) {
return (DeviceGroupListener<T>[]) groupListeners.toArray();
}
return new DeviceGroupListener[0];
}
/* (non-Javadoc)
* @see org.csstudio.dal.group.DeviceCollection#addGroupListner(org.csstudio.dal.group.GroupListener)
*/
public void addDeviceGroupListner(DeviceGroupListener<T> l) {
if (groupListeners == null) {
groupListeners = new ListenerList(DeviceGroupListener.class);
}
groupListeners.add(l);
}
protected void fireResponseError(ResponseEvent event) {
lastResponse = event.getResponse();
Iterator<ResponseListener<?>> ite = responseListeners.iterator();
while (ite.hasNext()) {
ite.next().responseError(event);
}
}
/* (non-Javadoc)
* @see org.csstudio.dal.context.Linkable#addLinkListener(org.csstudio.dal.context.LinkListener)
*/
public void addLinkListener(LinkListener<? extends Linkable> l) {
linkListeners.add(l);
if (lastConnectionEvent != null && l != null) {
ConnectionEvent e = lastConnectionEvent;
ConnectionState connectionState = e.getState();
if (connectionState == ConnectionState.CONNECTED) {
try {
l.connected(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
} else if (connectionState == ConnectionState.CONNECTION_FAILED) {
try {
l.connectionFailed(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
} else if (connectionState == ConnectionState.CONNECTION_LOST) {
try {
l.connectionLost(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
} else if (connectionState == ConnectionState.DISCONNECTED) {
try {
l.disconnected(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
} else if (connectionState == ConnectionState.DESTROYED) {
try {
l.destroyed(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
} else if (connectionState == ConnectionState.OPERATIONAL) {
try {
l.operational(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
}
}
}
/* (non-Javadoc)
* @see org.csstudio.dal.group.DeviceCollection#removeGroupListner(org.csstudio.dal.group.GroupListener)
*/
public void removeDeviceGroupListner(DeviceGroupListener<T> l) {
if (groupListeners != null) {
groupListeners.remove(l);
}
}
/** @param connectionState The connectionState to set. */
protected void setConnectionState(ConnectionState connectionState, Throwable error) {
boolean change = false;
try {
change = connectionStateMachine.requestNextConnectionState(connectionState);
} catch (IllegalStateException e) {
Logger.getLogger(this.getClass()).error("Internal error.", e);
throw e;
}
if (!change) {
return;
}
LinkListener<Linkable>[] l = (LinkListener<Linkable>[]) linkListeners.toArray();
ConnectionEvent<Linkable> e = new ConnectionEvent<Linkable>(this, connectionState, error);
lastConnectionEvent = e;
if (connectionState == ConnectionState.CONNECTED) {
if (hasDynamicValueListeners() && defaultMonitor == null) {
getDefaultMonitor();
}
for (MonitorProxyWrapper<T, ? extends SimpleProperty<T>> mpw : monitors) {
if (!mpw.isInitialized()) {
try {
MonitorProxy mp = proxy.createMonitor(mpw, mpw.getInitialParameters());
mpw.initialize(mp);
} catch (RemoteException e1) {
// TODO mark mpw for removal from monitors?
// if yes, it has to be done outside loop
}
}
}
for (int i = 0; i < l.length; i++) {
try {
l[i].connected(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
}
} else if (connectionState == ConnectionState.CONNECTION_FAILED) {
for (int i = 0; i < l.length; i++) {
try {
l[i].connectionFailed(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
}
} else if (connectionState == ConnectionState.CONNECTION_LOST) {
for (int i = 0; i < l.length; i++) {
try {
l[i].connectionLost(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
}
} else if (connectionState == ConnectionState.DISCONNECTED) {
for (int i = 0; i < l.length; i++) {
try {
l[i].disconnected(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
}
} else if (connectionState == ConnectionState.DESTROYED) {
for (int i = 0; i < l.length; i++) {
try {
l[i].destroyed(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
}
} else if (connectionState == ConnectionState.OPERATIONAL) {
for (int i = 0; i < l.length; i++) {
try {
l[i].operational(e);
} catch (Exception ex) {
Logger.getLogger(DynamicValuePropertyImpl.class)
.warn("Exception in event handler, continuing.", ex);
}
}
}
}
/* (non-Javadoc)
* @see org.csstudio.dal.context.Linkable#removeLinkListener(org.csstudio.dal.context.LinkListener)
*/
public void removeLinkListener(LinkListener<? extends Linkable> l) {
linkListeners.remove(l);
}
/* (non-Javadoc)
* @see org.csstudio.dal.AsynchronousContext#getResponseListeners()
*/
public ResponseListener<?>[] getResponseListeners() {
return (ResponseListener<?>[])
responseListeners.toArray(new ResponseListener[responseListeners.size()]);
}
/* (non-Javadoc)
* @see org.csstudio.dal.AsynchronousContext#removeResponseListener(org.csstudio.dal.ResponseListener)
*/
public void removeResponseListener(ResponseListener<?> l) {
responseListeners.remove(l);
}
/* (non-Javadoc)
* @see org.csstudio.dal.AsynchronousContext#addResponseListener(org.csstudio.dal.ResponseListener)
*/
public void addResponseListener(ResponseListener<?> l) {
responseListeners.add(l);
}