private String getAsyncLoaderStatus() {
String status = "null";
synchronized (asyncLoaderLock) {
if (asyncLoader != null) {
status = asyncLoader.getStatus().name();
}
}
return status;
}
private boolean taskIsNotRunning() {
boolean isNotRunning = true;
synchronized (asyncLoaderLock) {
if (asyncLoader != null) {
isNotRunning = (asyncLoader.getStatus() != Status.RUNNING);
}
}
return isNotRunning;
}
private boolean cancelAsyncTask(String callerMethod) {
boolean cancelled = false;
synchronized (asyncLoaderLock) {
if (MyLog.isVerboseEnabled() && asyncLoader != null) {
logV(callerMethod + "-cancelAsyncTask", "status:" + getAsyncLoaderStatus());
}
if (asyncLoader != null && asyncLoader.getStatus() == Status.RUNNING) {
if (asyncLoader.cancel(true)) {
logV(callerMethod, "task cancelled");
} else {
logV(callerMethod, "couldn't cancel task");
}
}
asyncLoader = null;
cancelled = true;
}
return cancelled;
}
private void restartLoader() {
final String method = "restartLoader";
boolean ended = false;
synchronized (asyncLoaderLock) {
if (MyLog.isVerboseEnabled() && asyncLoader != null) {
logV(method, "status:" + getAsyncLoaderStatus());
}
if (cancelAsyncTask(method)) {
try {
asyncLoader = new AsyncLoader();
asyncLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
} catch (Exception e) {
logD(method, "", e);
ended = true;
asyncLoader = null;
}
}
}
if (ended) {
logV(method, "deliver null as result");
deliverResultsAndClean(null);
}
}