@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
final ClusterUpdateSettingsRequest clusterUpdateSettingsRequest =
Requests.clusterUpdateSettingsRequest();
clusterUpdateSettingsRequest.listenerThreaded(false);
try {
Map<String, Object> source =
XContentFactory.xContent(request.content()).createParser(request.content()).mapAndClose();
if (source.containsKey("transient")) {
clusterUpdateSettingsRequest.transientSettings((Map) source.get("transient"));
}
if (source.containsKey("persistent")) {
clusterUpdateSettingsRequest.persistentSettings((Map) source.get("persistent"));
}
} catch (Exception e) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.warn("Failed to send response", e1);
}
return;
}
client
.admin()
.cluster()
.updateSettings(
clusterUpdateSettingsRequest,
new ActionListener<ClusterUpdateSettingsResponse>() {
@Override
public void onResponse(ClusterUpdateSettingsResponse response) {
try {
channel.sendResponse(new StringRestResponse(RestStatus.OK));
} catch (Throwable e) {
onFailure(e);
}
}
@Override
public void onFailure(Throwable e) {
if (logger.isDebugEnabled()) {
logger.debug("failed to handle cluster state", e);
}
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
}
});
}
