imbajin commented on code in PR #286:
URL:
https://github.com/apache/incubator-hugegraph-computer/pull/286#discussion_r1421886867
##########
computer-core/src/main/java/org/apache/hugegraph/computer/core/worker/WorkerService.java:
##########
@@ -91,57 +89,67 @@ public WorkerService() {
/**
* Init worker service, create the managers used by worker service.
*/
- public void init(Config config) {
- E.checkArgument(!this.inited, "The %s has been initialized", this);
-
- this.serviceThread = Thread.currentThread();
- this.registerShutdownHook();
-
- this.config = config;
-
- this.workerInfo = new ContainerInfo();
- LOG.info("{} Start to initialize worker", this);
-
- this.bsp4Worker = new Bsp4Worker(this.config, this.workerInfo);
+ public synchronized void init(Config config) {
+ try {
+ LOG.info("{} Prepare to init WorkerService", this);
+ // TODO: what will happen if init() called by multiple threads?
+ E.checkArgument(!this.inited, "The %s has been initialized", this);
- /*
- * Keep the waitMasterInitDone() called before initManagers(),
- * in order to ensure master init() before worker managers init()
- */
- this.masterInfo = this.bsp4Worker.waitMasterInitDone();
+ this.serviceThread = Thread.currentThread();
+ this.registerShutdownHook();
+ this.config = config;
+ this.workerInfo = new ContainerInfo();
- InetSocketAddress address = this.initManagers(this.masterInfo);
- this.workerInfo.updateAddress(address);
+ LOG.info("{} Start to initialize worker", this);
+ this.bsp4Worker = new Bsp4Worker(this.config, this.workerInfo);
+ /*
+ * Keep the waitMasterInitDone() called before initManagers(),
+ * in order to ensure master init() before worker managers init()
+ */
+ ContainerInfo masterInfo = this.bsp4Worker.waitMasterInitDone();
+ InetSocketAddress address = this.initManagers(masterInfo);
+ this.workerInfo.updateAddress(address);
+ this.loadComputation();
+
+ LOG.info("{} register WorkerService", this);
+ this.bsp4Worker.workerInitDone();
+ this.connectToWorkers();
+
+ this.computeManager = new ComputeManager(this.workerInfo.id(),
this.context,
+ this.managers);
+
+ this.managers.initedAll(this.config);
+ LOG.info("{} WorkerService initialized", this);
+ this.inited = true;
+ } catch (Exception e) {
Review Comment:
> don't need to try-catch and just log here
seems without `try-catch` the log won't print if exception throws before it
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