[GitHub] [flink-connector-aws] darenwkt commented on a diff in pull request #49: [FLINK-24438] Add Kinesis connector using FLIP-27

["darenwkt (via GitHub)" <gi...@apache.org>]

darenwkt commented on code in PR #49:
URL: https://github.com/apache/flink-connector-aws/pull/49#discussion_r1176497702


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flink-connector-aws-kinesis-streams/src/main/java/org/apache/flink/connector/kinesis/source/config/SourceConfigConstants.java:
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@@ -0,0 +1,369 @@
+/*
+ * 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.flink.connector.kinesis.source.config;
+
+import org.apache.flink.annotation.PublicEvolving;
+import org.apache.flink.connector.aws.config.AWSConfigConstants;
+import org.apache.flink.connector.kinesis.source.reader.PollingKinesisShardSplitReader;
+
+import java.time.Duration;
+
+@PublicEvolving
+public class SourceConfigConstants extends AWSConfigConstants {
+    public enum InitialPosition {
+        LATEST,
+        TRIM_HORIZON,
+        AT_TIMESTAMP
+    }
+
+    /** The record publisher type represents the record-consume style. */
+    public enum RecordPublisherType {
+
+        /** Consume the Kinesis records using AWS SDK v2 with the enhanced fan-out consumer. */
+        EFO,
+        /** Consume the Kinesis records using AWS SDK v1 with the get-records method. */
+        POLLING
+    }
+
+    /** The EFO registration type represents how we are going to de-/register efo consumer. */
+    public enum EFORegistrationType {
+
+        /**
+         * Delay the registration of efo consumer for taskmanager to execute. De-register the efo
+         * consumer for taskmanager to execute when task is shut down.
+         */
+        LAZY,
+        /**
+         * Register the efo consumer eagerly for jobmanager to execute. De-register the efo consumer
+         * the same way as lazy does.
+         */
+        EAGER,
+        /** Do not register efo consumer programmatically. Do not de-register either. */
+        NONE
+    }
+
+    /** The RecordPublisher type (EFO|POLLING). */
+    public static final String RECORD_PUBLISHER_TYPE = "flink.stream.recordpublisher";
+
+    public static final String DEFAULT_RECORD_PUBLISHER_TYPE =
+            RecordPublisherType.POLLING.toString();
+
+    /** Determine how and when consumer de-/registration is performed (LAZY|EAGER|NONE). */
+    public static final String EFO_REGISTRATION_TYPE = "flink.stream.efo.registration";
+
+    public static final String DEFAULT_EFO_REGISTRATION_TYPE = EFORegistrationType.EAGER.toString();
+
+    /** The name of the EFO consumer to register with KDS. */
+    public static final String EFO_CONSUMER_NAME = "flink.stream.efo.consumername";
+
+    /** The prefix of consumer ARN for a given stream. */
+    public static final String EFO_CONSUMER_ARN_PREFIX = "flink.stream.efo.consumerarn";
+
+    /** The initial position to start reading Kinesis streams from. */
+    public static final String STREAM_INITIAL_POSITION = "flink.stream.initpos";
+
+    public static final String DEFAULT_STREAM_INITIAL_POSITION = InitialPosition.LATEST.toString();
+
+    /**
+     * The initial timestamp to start reading Kinesis stream from (when AT_TIMESTAMP is set for
+     * STREAM_INITIAL_POSITION).
+     */
+    public static final String STREAM_INITIAL_TIMESTAMP = "flink.stream.initpos.timestamp";
+
+    /**
+     * The date format of initial timestamp to start reading Kinesis stream from (when AT_TIMESTAMP
+     * is set for STREAM_INITIAL_POSITION).
+     */
+    public static final String STREAM_TIMESTAMP_DATE_FORMAT =
+            "flink.stream.initpos.timestamp.format";
+
+    public static final String DEFAULT_STREAM_TIMESTAMP_DATE_FORMAT =
+            "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
+
+    /** The maximum number of describeStream attempts if we get a recoverable exception. */
+    public static final String STREAM_DESCRIBE_RETRIES = "flink.stream.describe.maxretries";
+
+    public static final int DEFAULT_STREAM_DESCRIBE_RETRIES = 50;
+
+    /** The base backoff time between each describeStream attempt. */
+    public static final String STREAM_DESCRIBE_BACKOFF_BASE = "flink.stream.describe.backoff.base";
+
+    public static final long DEFAULT_STREAM_DESCRIBE_BACKOFF_BASE = 2000L;
+
+    /** The maximum backoff time between each describeStream attempt. */
+    public static final String STREAM_DESCRIBE_BACKOFF_MAX = "flink.stream.describe.backoff.max";
+
+    public static final long DEFAULT_STREAM_DESCRIBE_BACKOFF_MAX = 5000L;
+
+    /** The power constant for exponential backoff between each describeStream attempt. */
+    public static final String STREAM_DESCRIBE_BACKOFF_EXPONENTIAL_CONSTANT =
+            "flink.stream.describe.backoff.expconst";
+
+    public static final double DEFAULT_STREAM_DESCRIBE_BACKOFF_EXPONENTIAL_CONSTANT = 1.5;
+
+    /** The maximum number of listShards attempts if we get a recoverable exception. */
+    public static final String LIST_SHARDS_RETRIES = "flink.list.shards.maxretries";
+
+    public static final int DEFAULT_LIST_SHARDS_RETRIES = 10;
+
+    /** The base backoff time between each listShards attempt. */
+    public static final String LIST_SHARDS_BACKOFF_BASE = "flink.list.shards.backoff.base";
+
+    public static final long DEFAULT_LIST_SHARDS_BACKOFF_BASE = 1000L;
+
+    /** The maximum backoff time between each listShards attempt. */
+    public static final String LIST_SHARDS_BACKOFF_MAX = "flink.list.shards.backoff.max";
+
+    public static final long DEFAULT_LIST_SHARDS_BACKOFF_MAX = 5000L;
+
+    /** The power constant for exponential backoff between each listShards attempt. */
+    public static final String LIST_SHARDS_BACKOFF_EXPONENTIAL_CONSTANT =
+            "flink.list.shards.backoff.expconst";
+
+    public static final double DEFAULT_LIST_SHARDS_BACKOFF_EXPONENTIAL_CONSTANT = 1.5;
+
+    /** The maximum number of describeStreamConsumer attempts if we get a recoverable exception. */
+    public static final String DESCRIBE_STREAM_CONSUMER_RETRIES =
+            "flink.stream.describestreamconsumer.maxretries";
+
+    public static final int DEFAULT_DESCRIBE_STREAM_CONSUMER_RETRIES = 50;
+
+    /** The base backoff time between each describeStreamConsumer attempt. */
+    public static final String DESCRIBE_STREAM_CONSUMER_BACKOFF_BASE =
+            "flink.stream.describestreamconsumer.backoff.base";
+
+    public static final long DEFAULT_DESCRIBE_STREAM_CONSUMER_BACKOFF_BASE = 2000L;
+
+    /** The maximum backoff time between each describeStreamConsumer attempt. */
+    public static final String DESCRIBE_STREAM_CONSUMER_BACKOFF_MAX =
+            "flink.stream.describestreamconsumer.backoff.max";
+
+    public static final long DEFAULT_DESCRIBE_STREAM_CONSUMER_BACKOFF_MAX = 5000L;
+
+    /** The power constant for exponential backoff between each describeStreamConsumer attempt. */
+    public static final String DESCRIBE_STREAM_CONSUMER_BACKOFF_EXPONENTIAL_CONSTANT =
+            "flink.stream.describestreamconsumer.backoff.expconst";
+
+    public static final double DEFAULT_DESCRIBE_STREAM_CONSUMER_BACKOFF_EXPONENTIAL_CONSTANT = 1.5;
+
+    /** The maximum number of registerStreamConsumer attempts if we get a recoverable exception. */
+    public static final String REGISTER_STREAM_CONSUMER_RETRIES =
+            "flink.stream.registerstreamconsumer.maxretries";
+
+    public static final int DEFAULT_REGISTER_STREAM_CONSUMER_RETRIES = 10;
+
+    /**
+     * The maximum time in seconds to wait for a stream consumer to become active before giving up.
+     */
+    public static final String REGISTER_STREAM_CONSUMER_TIMEOUT_SECONDS =
+            "flink.stream.registerstreamconsumer.timeout";
+
+    public static final Duration DEFAULT_REGISTER_STREAM_CONSUMER_TIMEOUT = Duration.ofSeconds(60);
+
+    /** The base backoff time between each registerStreamConsumer attempt. */
+    public static final String REGISTER_STREAM_CONSUMER_BACKOFF_BASE =
+            "flink.stream.registerstreamconsumer.backoff.base";
+
+    public static final long DEFAULT_REGISTER_STREAM_CONSUMER_BACKOFF_BASE = 500L;
+
+    /** The maximum backoff time between each registerStreamConsumer attempt. */
+    public static final String REGISTER_STREAM_CONSUMER_BACKOFF_MAX =
+            "flink.stream.registerstreamconsumer.backoff.max";
+
+    public static final long DEFAULT_REGISTER_STREAM_CONSUMER_BACKOFF_MAX = 2000L;
+
+    /** The power constant for exponential backoff between each registerStreamConsumer attempt. */
+    public static final String REGISTER_STREAM_BACKOFF_EXPONENTIAL_CONSTANT =
+            "flink.stream.registerstreamconsumer.backoff.expconst";
+
+    public static final double DEFAULT_REGISTER_STREAM_BACKOFF_EXPONENTIAL_CONSTANT = 1.5;
+
+    /**
+     * The maximum number of deregisterStreamConsumer attempts if we get a recoverable exception.
+     */
+    public static final String DEREGISTER_STREAM_CONSUMER_RETRIES =
+            "flink.stream.deregisterstreamconsumer.maxretries";
+
+    public static final int DEFAULT_DEREGISTER_STREAM_CONSUMER_RETRIES = 10;
+
+    /** The maximum time in seconds to wait for a stream consumer to deregister before giving up. */
+    public static final String DEREGISTER_STREAM_CONSUMER_TIMEOUT_SECONDS =
+            "flink.stream.deregisterstreamconsumer.timeout";
+
+    public static final Duration DEFAULT_DEREGISTER_STREAM_CONSUMER_TIMEOUT =
+            Duration.ofSeconds(60);
+
+    /** The base backoff time between each deregisterStreamConsumer attempt. */
+    public static final String DEREGISTER_STREAM_BACKOFF_BASE =

Review Comment:
   `DEREGISTER_STREAM_BACKOFF_BASE` -> `DEREGISTER_STREAM_CONSUMER_BACKOFF_BASE`



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