lordcheng10 commented on a change in pull request #2947:
URL: https://github.com/apache/bookkeeper/pull/2947#discussion_r774951002
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File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/meta/zk/ZKMetadataDriverBase.java
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@@ -260,6 +268,46 @@ public synchronized LedgerManagerFactory
getLedgerManagerFactory()
return lmFactory;
}
+ public CompletableFuture<Void> disableHealthCheck() {
+ CompletableFuture<Void> createResult = new CompletableFuture<>();
+ try {
+ zk.create(disableHealthCheckPath,
BookKeeperConstants.EMPTY_BYTE_ARRAY, acls, CreateMode.PERSISTENT);
+ createResult.complete(null);
+ } catch (KeeperException.NodeExistsException nodeExistsException) {
+ log.debug("health check already disable!");
+ createResult.complete(null);
+ } catch (Exception e) {
+ createResult.completeExceptionally(e);
+ }
+ return createResult;
+ }
+
+ public CompletableFuture<Void> enableHealthCheck() {
+ CompletableFuture<Void> deleteResult = new CompletableFuture<>();
+
+ try {
+ zk.delete(disableHealthCheckPath, -1);
+ deleteResult.complete(null);
+ } catch (KeeperException.NoNodeException noNodeException) {
+ log.debug("health check already enabled!");
+ deleteResult.complete(null);
+ } catch (Exception e) {
+ deleteResult.completeExceptionally(e);
+ }
+ return deleteResult;
+ }
+
+ public CompletableFuture<Boolean> isHealthCheckEnabled() {
+ CompletableFuture<Boolean> enableResult = new CompletableFuture<>();
+ try {
+ boolean isEnable = (null == zk.exists(disableHealthCheckPath,
false));
Review comment:
public CompletableFuture<Boolean> isHealthCheckEnabled() {
CompletableFuture<Boolean> enableResult = new CompletableFuture<>();
zk.exists(disableHealthCheckPath, false, new
AsyncCallback.StatCallback() {
@Override
public void processResult(int rc, String path, Object ctx, Stat
stat) {
if (KeeperException.Code.OK.intValue() == rc) {
enableResult.complete(false);
} else {
enableResult.complete(true);
}
}
}, null);
return enableResult;
}
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