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https://issues.apache.org/jira/browse/BEAM-6672?focusedWorklogId=198989&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-198989
]
ASF GitHub Bot logged work on BEAM-6672:
----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Feb/19 22:26
Start Date: 14/Feb/19 22:26
Worklog Time Spent: 10m
Work Description: rohdesamuel commented on pull request #7847:
[BEAM-6672] Add the StateRequestHandlerImpl and test
URL: https://github.com/apache/beam/pull/7847#discussion_r257038532
##########
File path:
runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/fn/control/StateRequestHandlerImpl.java
##########
@@ -0,0 +1,112 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.runners.dataflow.worker.fn.control;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.ConcurrentHashMap;
+import org.apache.beam.model.fnexecution.v1.BeamFnApi;
+import org.apache.beam.runners.core.StateNamespaces;
+import org.apache.beam.runners.core.StateTags;
+import org.apache.beam.runners.dataflow.worker.ByteStringCoder;
+import org.apache.beam.runners.dataflow.worker.DataflowExecutionContext;
+import org.apache.beam.runners.fnexecution.state.StateRequestHandler;
+import org.apache.beam.sdk.state.BagState;
+import org.apache.beam.sdk.transforms.windowing.GlobalWindow;
+import org.apache.beam.vendor.grpc.v1p13p1.com.google.protobuf.ByteString;
+
+public class StateRequestHandlerImpl implements StateRequestHandler {
+
+ private DataflowExecutionContext.DataflowStepContext ctxt;
+ private ConcurrentHashMap<BeamFnApi.StateKey, BagState<ByteString>>
userStateData;
+
+ public StateRequestHandlerImpl(DataflowExecutionContext.DataflowStepContext
ctxt) {
+ this.ctxt = ctxt;
+ this.userStateData = new ConcurrentHashMap<>();
+ }
+
+ @Override
+ public CompletionStage<BeamFnApi.StateResponse.Builder>
handle(BeamFnApi.StateRequest request)
+ throws Exception {
+ switch (request.getStateKey().getTypeCase()) {
+ case BAG_USER_STATE:
+ return handleBagUserState(request);
+ default:
+ throw new UnsupportedOperationException(
+ String.format(
+ "Dataflow does not handle StateRequests of type %s",
+ request.getStateKey().getTypeCase()));
+ }
+ }
+
+ public void finish() {
+ userStateData.clear();
+ }
+
+ private CompletionStage<BeamFnApi.StateResponse.Builder> handleBagUserState(
+ BeamFnApi.StateRequest request) {
+ BeamFnApi.StateKey.BagUserState bagUserStateKey =
request.getStateKey().getBagUserState();
+ // TODO: We should not be required to hold onto a pointer to the bag
states for the
Review comment:
Done
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Issue Time Tracking
-------------------
Worklog Id: (was: 198989)
Time Spent: 1.5h (was: 1h 20m)
> Make bundle execution with ExecutableStage support user states
> --------------------------------------------------------------
>
> Key: BEAM-6672
> URL: https://issues.apache.org/jira/browse/BEAM-6672
> Project: Beam
> Issue Type: Improvement
> Components: runner-dataflow
> Reporter: Sam Rohde
> Assignee: Sam Rohde
> Priority: Major
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
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