[
https://issues.apache.org/jira/browse/BEAM-5850?focusedWorklogId=170909&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-170909
]
ASF GitHub Bot logged work on BEAM-5850:
----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Nov/18 00:13
Start Date: 30/Nov/18 00:13
Worklog Time Spent: 10m
Work Description: ajamato commented on a change in pull request #6786:
[BEAM-5850] Add QueueingBeamFnDataClient and make process, finish and start run
on the same thread to support metrics.
URL: https://github.com/apache/beam/pull/6786#discussion_r237707485
##########
File path:
sdks/java/harness/src/main/java/org/apache/beam/fn/harness/data/QueueingBeamFnDataClient.java
##########
@@ -0,0 +1,180 @@
+/*
+ * 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.fn.harness.data;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.SynchronousQueue;
+import java.util.concurrent.TimeUnit;
+import org.apache.beam.fn.harness.control.ProcessBundleHandler;
+import org.apache.beam.model.fnexecution.v1.BeamFnApi.InstructionRequest;
+import org.apache.beam.model.pipeline.v1.Endpoints;
+import org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor;
+import org.apache.beam.sdk.coders.Coder;
+import org.apache.beam.sdk.fn.data.CloseableFnDataReceiver;
+import org.apache.beam.sdk.fn.data.FnDataReceiver;
+import org.apache.beam.sdk.fn.data.InboundDataClient;
+import org.apache.beam.sdk.fn.data.LogicalEndpoint;
+import org.apache.beam.sdk.util.WindowedValue;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A {@link BeamFnDataClient} that queues elements so that they can be
consumed and processed in the
+ * thread which calls @{link #drainAndBlock}.
+ */
+public class QueueingBeamFnDataClient implements BeamFnDataClient {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(QueueingBeamFnDataClient.class);
+
+ private final BeamFnDataClient mainClient;
+ private final SynchronousQueue<ConsumerAndData> queue;
+ private final ConcurrentHashMap<InboundDataClient, Object> idcs;
Review comment:
Done
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Issue Time Tracking
-------------------
Worklog Id: (was: 170909)
Time Spent: 14h 10m (was: 14h)
> Make process, finish and start run on the same thread to support metrics.
> -------------------------------------------------------------------------
>
> Key: BEAM-5850
> URL: https://issues.apache.org/jira/browse/BEAM-5850
> Project: Beam
> Issue Type: New Feature
> Components: java-fn-execution
> Reporter: Alex Amato
> Assignee: Alex Amato
> Priority: Major
> Time Spent: 14h 10m
> Remaining Estimate: 0h
>
> Update BeamFnDataReceiver to place elements into a Queue and consumer then
> and call the element processing receiver in blockTillReadFinishes
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