@SuppressWarnings("incomplete-switch")
private void restart() {
switch (state.get()) {
case STARTING:
Trace.debug(
"Returning early from restart. Already starting for project {0} and kind {1}",
project.getName(), kind);
case DISCONNECTED:
Trace.debug(
"Endpoint disconnected and skipping restart for project {0} and kind {1}",
project.getName(), kind);
return;
}
try {
// TODO enhance fix to only check project once
conn.refresh(project);
Trace.debug(
"WatchManager Rescheduling watch job for project {0} and kind {1}",
project.getName(), kind);
startWatch(project, backoff, lastConnect, this);
} catch (Exception e) {
Trace.debug(
"WatchManager Unable to rescheduling watch job for project {0} and kind {1}",
e, project.getName(), kind);
stopWatch(project, conn);
}
}
@Override
public void connected(List<IResource> resources) {
Trace.debug(
"WatchManager Endpoint connected to {0} with {1} resources",
conn.toString(), resources.size());
this.resources.addAll(resources);
}
public WatchListener(
IProject project, IOpenShiftConnection conn, String kind, int backoff, long lastConnect) {
Trace.debug(
"WatchManager Adding WatchListener for {0} and kind {1}", project.getName(), kind);
this.project = project;
this.conn = conn;
this.backoff = backoff;
this.lastConnect = lastConnect;
this.kind = kind;
if (System.currentTimeMillis() - lastConnect > BACKOFF_RESET) {
backoff = 0;
}
Trace.debug(
"WatchManager Initial watch backoff of {0} ms", FIBONACCI[backoff] * BACKOFF_MILLIS);
}
public void start(int backoff, long lastConnect) {
if (state.getAndSet(State.STARTING) == State.STARTING) {
Trace.debug("In the process of starting watch already. Returning early");
return;
}
this.backoff = backoff;
this.lastConnect = lastConnect;
Trace.info("Starting watch on project {0} for kind {1}", project.getName(), kind);
IClient client = getClientFor(project);
if (client != null) {
new RestartWatchJob(client).schedule();
}
}
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
connect(client);
} catch (Exception e) {
Trace.debug(
"Exception starting watch on project {0} and {1} kind", e, project.getName(), kind);
backoff++;
if (backoff >= FIBONACCI.length) {
Trace.info(
"Exceeded backoff attempts trying to reconnect watch for {0} and kind {1}",
project.getName(), kind);
watches.remove(project);
state.set(State.DISCONNECTED);
return Status.OK_STATUS;
}
final long delay = FIBONACCI[backoff] * BACKOFF_MILLIS;
Trace.debug(
"Delaying watch restart by {0}ms for project {1} and kinds {2} ",
delay, project.getName(), kind);
new RestartWatchJob(client).schedule(delay);
}
return Status.OK_STATUS;
}
@Override
public void received(IResource resource, ChangeType change) {
Trace.debug("Watch received change in {0} state\n{1}", state, resource.toJson(false));
if (State.CONNECTED == state.get()) {
IResource newItem = null;
IResource oldItem = null;
int index = resources.indexOf(resource);
if (ChangeType.ADDED.equals(change)) {
resources.add(resource);
newItem = resource;
} else if (ChangeType.DELETED.equals(change)) {
oldItem = index > NOT_FOUND ? resources.remove(index) : resource;
} else if (ChangeType.MODIFIED.equals(change)) {
if (index > NOT_FOUND) {
oldItem = resources.remove(index);
}
resources.add(resource);
newItem = resource;
}
ConnectionsRegistrySingleton.getInstance()
.fireConnectionChanged(conn, ConnectionProperties.PROPERTY_RESOURCE, oldItem, newItem);
}
}
@Override
public void disconnected() {
Trace.debug("WatchManager Endpoint disconnected to {0}.", conn.toString());
state.set(State.DISCONNECTED);
}
