Examples with InitialPositionInStream com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream used on opensource projects

Example 1 with InitialPositionInStream

use of com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream in project samza by apache.

the class KinesisConfig method getKinesisClientLibConfig.

/**
 * Get KCL config for a given system stream.
 * @param system name of the system
 * @param stream name of the stream
 * @param appName name of the application
 * @return Stream scoped KCL configs required to build
 *         {@link KinesisClientLibConfiguration}
 */
public KinesisClientLibConfiguration getKinesisClientLibConfig(String system, String stream, String appName) {
    ClientConfiguration clientConfig = getAWSClientConfig(system);
    String workerId = appName + "-" + UUID.randomUUID();
    InitialPositionInStream startPos = InitialPositionInStream.LATEST;
    AWSCredentialsProvider provider = credentialsProviderForStream(system, stream);
    KinesisClientLibConfiguration kinesisClientLibConfiguration = new KinesisClientLibConfiguration(appName, stream, provider, workerId).withRegionName(getRegion(system, stream).getName()).withKinesisClientConfig(clientConfig).withCloudWatchClientConfig(clientConfig).withDynamoDBClientConfig(clientConfig).withInitialPositionInStream(startPos).withCallProcessRecordsEvenForEmptyRecordList(// For health monitoring metrics.
    true);
    // First, get system scoped configs for KCL and override with configs set at stream scope.
    setKinesisClientLibConfigs(subset(String.format(CONFIG_SYSTEM_KINESIS_CLIENT_LIB_CONFIG, system)), kinesisClientLibConfiguration);
    setKinesisClientLibConfigs(subset(String.format(CONFIG_STREAM_KINESIS_CLIENT_LIB_CONFIG, system, stream)), kinesisClientLibConfiguration);
    return kinesisClientLibConfiguration;
}