@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;
}
/** @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);
}
}
}
}
/** @return Returns the connectionState. */
public ConnectionState getConnectionState() {
return connectionStateMachine.getConnectionState();
}
/* (non-Javadoc)
* @see org.csstudio.dal.context.Linkable#isConnectionFailed()
*/
public boolean isConnectionFailed() {
return connectionStateMachine.isConnectionFailed();
}
/* (non-Javadoc)
* @see org.csstudio.dal.context.Linkable#isConnectionAlive()
*/
public boolean isConnectionAlive() {
return connectionStateMachine.isConnectionAlive();
}
/* (non-Javadoc)
* @see org.csstudio.dal.context.Linkable#isDestroyed()
*/
public boolean isDestroyed() {
return connectionStateMachine.isDestroyed();
}
/** @see Linkable#isOperational(); */
public boolean isOperational() {
return connectionStateMachine.isOperational();
}