BELUGABEHR commented on a change in pull request #823: ZOOKEEPER-2694:sync CLI
command does not wait for result from server
URL: https://github.com/apache/zookeeper/pull/823#discussion_r272172476
##########
File path:
zookeeper-server/src/main/java/org/apache/zookeeper/cli/SyncCommand.java
##########
@@ -55,18 +61,27 @@ public CliCommand parse(String[] cmdArgs) throws
CliParseException {
@Override
public boolean exec() throws CliException {
String path = args[1];
+ CompletableFuture<Integer> cf = new CompletableFuture<>();
+
try {
zk.sync(path, new AsyncCallback.VoidCallback() {
-
public void processResult(int rc, String path, Object ctx) {
- out.println("Sync returned " + rc);
+ cf.complete(rc);
}
}, null);
+
+ try {
+ int resultCode = cf.get(CONNECTION_TIMEOUT,
TimeUnit.MILLISECONDS);
+ out.println("Sync returned " + resultCode);
+ } catch (TimeoutException ex) {
+ out.println("Sync is timeout within " + CONNECTION_TIMEOUT +
" ms");
Review comment:
Does this code need it's own 'try' block? Can this catch be moved to the
outer 'try' statement?
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