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Adding functionality to override the vanilla KCL tasks (#1440)
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47 changes: 47 additions & 0 deletions
47
...n-kinesis-client/src/main/java/software/amazon/kinesis/lifecycle/ConsumerTaskFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| /* | ||
| * Copyright 2019 Amazon.com, Inc. or its affiliates. | ||
| * Licensed 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. | ||
| */ | ||
|
|
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| package software.amazon.kinesis.lifecycle; | ||
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| import software.amazon.kinesis.annotations.KinesisClientInternalApi; | ||
| import software.amazon.kinesis.lifecycle.events.ProcessRecordsInput; | ||
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| @KinesisClientInternalApi | ||
| public interface ConsumerTaskFactory { | ||
| /** | ||
| * Creates a shutdown task. | ||
| */ | ||
| ConsumerTask createShutdownTask(ShardConsumerArgument argument, ShardConsumer consumer, ProcessRecordsInput input); | ||
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| /** | ||
| * Creates a process task. | ||
| */ | ||
| ConsumerTask createProcessTask(ShardConsumerArgument argument, ProcessRecordsInput processRecordsInput); | ||
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| /** | ||
| * Creates an initialize task. | ||
| */ | ||
| ConsumerTask createInitializeTask(ShardConsumerArgument argument); | ||
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| /** | ||
| * Creates a block on parent task. | ||
| */ | ||
| ConsumerTask createBlockOnParentTask(ShardConsumerArgument argument); | ||
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| /** | ||
| * Creates a shutdown notification task. | ||
| */ | ||
| ConsumerTask createShutdownNotificationTask(ShardConsumerArgument argument, ShardConsumer consumer); | ||
| } |
98 changes: 98 additions & 0 deletions
98
...is-client/src/main/java/software/amazon/kinesis/lifecycle/KinesisConsumerTaskFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * Copyright 2019 Amazon.com, Inc. or its affiliates. | ||
| * Licensed 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. | ||
| */ | ||
|
|
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| package software.amazon.kinesis.lifecycle; | ||
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| import software.amazon.kinesis.annotations.KinesisClientInternalApi; | ||
| import software.amazon.kinesis.lifecycle.events.ProcessRecordsInput; | ||
| import software.amazon.kinesis.retrieval.ThrottlingReporter; | ||
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| @KinesisClientInternalApi | ||
| public class KinesisConsumerTaskFactory implements ConsumerTaskFactory { | ||
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| @Override | ||
| public ConsumerTask createShutdownTask( | ||
| ShardConsumerArgument argument, ShardConsumer consumer, ProcessRecordsInput input) { | ||
| return new ShutdownTask( | ||
| argument.shardInfo(), | ||
| argument.shardDetector(), | ||
| argument.shardRecordProcessor(), | ||
| argument.recordProcessorCheckpointer(), | ||
| consumer.shutdownReason(), | ||
| argument.initialPositionInStream(), | ||
| argument.cleanupLeasesOfCompletedShards(), | ||
| argument.ignoreUnexpectedChildShards(), | ||
| argument.leaseCoordinator(), | ||
| argument.taskBackoffTimeMillis(), | ||
| argument.recordsPublisher(), | ||
| argument.hierarchicalShardSyncer(), | ||
| argument.metricsFactory(), | ||
| input == null ? null : input.childShards(), | ||
| argument.streamIdentifier(), | ||
| argument.leaseCleanupManager()); | ||
| } | ||
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| @Override | ||
| public ConsumerTask createProcessTask(ShardConsumerArgument argument, ProcessRecordsInput processRecordsInput) { | ||
| ThrottlingReporter throttlingReporter = | ||
| new ThrottlingReporter(5, argument.shardInfo().shardId()); | ||
| return new ProcessTask( | ||
| argument.shardInfo(), | ||
| argument.shardRecordProcessor(), | ||
| argument.recordProcessorCheckpointer(), | ||
| argument.taskBackoffTimeMillis(), | ||
| argument.skipShardSyncAtWorkerInitializationIfLeasesExist(), | ||
| argument.shardDetector(), | ||
| throttlingReporter, | ||
| processRecordsInput, | ||
| argument.shouldCallProcessRecordsEvenForEmptyRecordList(), | ||
| argument.idleTimeInMilliseconds(), | ||
| argument.aggregatorUtil(), | ||
| argument.metricsFactory(), | ||
| argument.schemaRegistryDecoder(), | ||
| argument.leaseCoordinator().leaseStatsRecorder()); | ||
| } | ||
|
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| @Override | ||
| public ConsumerTask createInitializeTask(ShardConsumerArgument argument) { | ||
| return new InitializeTask( | ||
| argument.shardInfo(), | ||
| argument.shardRecordProcessor(), | ||
| argument.checkpoint(), | ||
| argument.recordProcessorCheckpointer(), | ||
| argument.initialPositionInStream(), | ||
| argument.recordsPublisher(), | ||
| argument.taskBackoffTimeMillis(), | ||
| argument.metricsFactory()); | ||
| } | ||
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| @Override | ||
| public ConsumerTask createBlockOnParentTask(ShardConsumerArgument argument) { | ||
| return new BlockOnParentShardTask( | ||
| argument.shardInfo(), | ||
| argument.leaseCoordinator().leaseRefresher(), | ||
| argument.parentShardPollIntervalMillis()); | ||
| } | ||
|
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| @Override | ||
| public ConsumerTask createShutdownNotificationTask(ShardConsumerArgument argument, ShardConsumer consumer) { | ||
| return new ShutdownNotificationTask( | ||
| argument.shardRecordProcessor(), | ||
| argument.recordProcessorCheckpointer(), | ||
| consumer.shutdownNotification(), | ||
| argument.shardInfo(), | ||
| consumer.shardConsumerArgument().leaseCoordinator()); | ||
| } | ||
| } |
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