public void add(TimeValue timeout, final TimeoutClusterStateListener listener) {
if (lifecycle.stoppedOrClosed()) {
listener.onClose();
return;
}
NotifyTimeout notifyTimeout = new NotifyTimeout(listener, timeout);
Timeout timerTimeout =
timerService.newTimeout(notifyTimeout, timeout, TimerService.ExecutionType.THREADED);
onGoingTimeouts.add(new Tuple<Timeout, NotifyTimeout>(timerTimeout, notifyTimeout));
clusterStateListeners.add(listener);
// call the post added notification on the same event thread
updateTasksExecutor.execute(
new Runnable() {
@Override
public void run() {
listener.postAdded();
}
});
}
@Override
protected ClusterHealthResponse masterOperation(ClusterHealthRequest request, ClusterState state)
throws ElasticSearchException {
int waitFor = 4;
if (request.waitForStatus() == null) {
waitFor--;
}
if (request.waitForRelocatingShards() == -1) {
waitFor--;
}
if (request.waitForActiveShards() == -1) {
waitFor--;
}
if (request.waitForNodes().isEmpty()) {
waitFor--;
}
if (waitFor == 0) {
// no need to wait for anything
return clusterHealth(request);
}
long endTime = System.currentTimeMillis() + request.timeout().millis();
while (true) {
int waitForCounter = 0;
ClusterHealthResponse response = clusterHealth(request);
if (request.waitForStatus() != null
&& response.status().value() <= request.waitForStatus().value()) {
waitForCounter++;
}
if (request.waitForRelocatingShards() != -1
&& response.relocatingShards() <= request.waitForRelocatingShards()) {
waitForCounter++;
}
if (request.waitForActiveShards() != -1
&& response.activeShards() >= request.waitForActiveShards()) {
waitForCounter++;
}
if (!request.waitForNodes().isEmpty()) {
if (request.waitForNodes().startsWith(">=")) {
int expected = Integer.parseInt(request.waitForNodes().substring(2));
if (response.numberOfNodes() >= expected) {
waitForCounter++;
}
} else if (request.waitForNodes().startsWith("ge(")) {
int expected =
Integer.parseInt(
request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
if (response.numberOfNodes() >= expected) {
waitForCounter++;
}
} else if (request.waitForNodes().startsWith("<=")) {
int expected = Integer.parseInt(request.waitForNodes().substring(2));
if (response.numberOfNodes() <= expected) {
waitForCounter++;
}
} else if (request.waitForNodes().startsWith("le(")) {
int expected =
Integer.parseInt(
request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
if (response.numberOfNodes() <= expected) {
waitForCounter++;
}
} else if (request.waitForNodes().startsWith(">")) {
int expected = Integer.parseInt(request.waitForNodes().substring(1));
if (response.numberOfNodes() > expected) {
waitForCounter++;
}
} else if (request.waitForNodes().startsWith("gt(")) {
int expected =
Integer.parseInt(
request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
if (response.numberOfNodes() > expected) {
waitForCounter++;
}
} else if (request.waitForNodes().startsWith("<")) {
int expected = Integer.parseInt(request.waitForNodes().substring(1));
if (response.numberOfNodes() < expected) {
waitForCounter++;
}
} else if (request.waitForNodes().startsWith("lt(")) {
int expected =
Integer.parseInt(
request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
if (response.numberOfNodes() < expected) {
waitForCounter++;
}
} else {
int expected = Integer.parseInt(request.waitForNodes());
if (response.numberOfNodes() == expected) {
waitForCounter++;
}
}
}
if (waitForCounter == waitFor) {
return response;
}
if (timerService.estimatedTimeInMillis() > endTime) {
response.timedOut = true;
return response;
}
try {
Thread.sleep(200);
} catch (InterruptedException e) {
response.timedOut = true;
// we got interrupted, bail
return response;
}
}
}