amaliujia commented on a change in pull request #15214:
URL: https://github.com/apache/beam/pull/15214#discussion_r683737576
##########
File path:
sdks/java/harness/src/main/java/org/apache/beam/fn/harness/control/ProcessBundleHandler.java
##########
@@ -491,14 +514,25 @@ private BundleProcessor createBundleProcessor(
}
}
- // Instantiate a State API call handler depending on whether a State
ApiServiceDescriptor
- // was specified.
- HandleStateCallsForBundle beamFnStateClient =
- bundleDescriptor.hasStateApiServiceDescriptor()
- ? new BlockTillStateCallsFinish(
- beamFnStateGrpcClientCache.forApiServiceDescriptor(
- bundleDescriptor.getStateApiServiceDescriptor()))
- : new FailAllStateCallsForBundle(processBundleRequest);
+ // Instantiate a State API call handler depending on whether a State
ApiServiceDescriptor was
+ // specified. If pipeline is batch, use a CachingBeamFnStateClient to
store state responses.
+ // User state caching is currently not supported in streaming mode.
+ HandleStateCallsForBundle beamFnStateClient;
+ if (bundleDescriptor.hasStateApiServiceDescriptor()) {
Review comment:
O I see. `options.as(StreamingOptions.class).isStreaming()` is used at
line 530.
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