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https://issues.apache.org/jira/browse/BEAM-4828?focusedWorklogId=129713&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-129713
]
ASF GitHub Bot logged work on BEAM-4828:
----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Aug/18 14:46
Start Date: 01/Aug/18 14:46
Worklog Time Spent: 10m
Work Description: iemejia commented on a change in pull request #6101:
[BEAM-4828] Add Amazon SqsIO
URL: https://github.com/apache/beam/pull/6101#discussion_r206894930
##########
File path:
sdks/java/io/amazon-web-services/src/main/java/org/apache/beam/sdk/io/aws/sqs/SqsUnboundedReader.java
##########
@@ -0,0 +1,154 @@
+/*
+ * 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.sdk.io.aws.sqs;
+
+import com.amazonaws.services.sqs.AmazonSQS;
+import com.amazonaws.services.sqs.AmazonSQSClientBuilder;
+import com.amazonaws.services.sqs.model.Message;
+import com.amazonaws.services.sqs.model.ReceiveMessageRequest;
+import com.amazonaws.services.sqs.model.ReceiveMessageResult;
+import com.google.common.collect.Lists;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayDeque;
+import java.util.HashSet;
+import java.util.List;
+import java.util.NoSuchElementException;
+import java.util.Queue;
+import java.util.Set;
+import org.apache.beam.sdk.io.UnboundedSource;
+import org.apache.beam.sdk.io.UnboundedSource.CheckpointMark;
+import org.joda.time.Instant;
+
+class SqsUnboundedReader extends UnboundedSource.UnboundedReader<Message> {
+
+ public static final int MAX_NUMBER_OF_MESSAGES = 10;
+ private final SqsUnboundedSource source;
+ private final AmazonSQS sqs;
+
+ private Message current;
+ private final Queue<Message> messagesNotYetRead;
+ private Set<String> receiptHandlesToDelete;
+
+ public SqsUnboundedReader(SqsUnboundedSource source, SqsCheckpointMark
sqsCheckpointMark) {
+ this.source = source;
+ this.current = null;
+
+ this.messagesNotYetRead = new ArrayDeque<>();
+ receiptHandlesToDelete = new HashSet<>();
+
+ final SqsConfiguration sqsConfiguration = source.getSqsConfiguration();
+ sqs =
+ AmazonSQSClientBuilder.standard()
+ .withClientConfiguration(sqsConfiguration.getClientConfiguration())
+ .withCredentials(sqsConfiguration.getAwsCredentialsProvider())
+ .withRegion(sqsConfiguration.getAwsRegion())
+ .build();
+
+ if (sqsCheckpointMark != null) {
+ if (sqsCheckpointMark.getReceiptHandlesToDelete() != null) {
+
receiptHandlesToDelete.addAll(sqsCheckpointMark.getReceiptHandlesToDelete());
+ }
+ }
+ }
+
+ @Override
+ public Instant getWatermark() {
+ return Instant.now();
Review comment:
I am still wondering if it is worth to have different strategies depending
if it uses a Standard or FIFO queue. But it seems the standard case should
cover the timestamp approximately well for the FIFO one. Any ideas? (of course
this can be subject of other JIRA)
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Issue Time Tracking
-------------------
Worklog Id: (was: 129713)
Time Spent: 4h 40m (was: 4.5h)
> Add Amazon SqsIO
> ----------------
>
> Key: BEAM-4828
> URL: https://issues.apache.org/jira/browse/BEAM-4828
> Project: Beam
> Issue Type: New Feature
> Components: io-java-aws
> Reporter: John Rudolf Lewis
> Assignee: John Rudolf Lewis
> Priority: Major
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> Add an SQS source
>
> For people who would like to follow progress or help out:
> [https://github.com/JohnRudolfLewis/beam/tree/Add-SqsIO]
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