com.azure.cosmos.spark.ItemsBatchWriter.scala Maven / Gradle / Ivy

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OLTP Spark 3.2 Connector for Azure Cosmos DB SQL API

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
package com.azure.cosmos.spark

import com.azure.cosmos.spark.diagnostics.LoggerHelper
import org.apache.spark.broadcast.Broadcast
import org.apache.spark.sql.connector.write.streaming.{StreamingDataWriterFactory, StreamingWrite}
import org.apache.spark.sql.connector.write.{BatchWrite, DataWriterFactory, PhysicalWriteInfo, WriterCommitMessage}
import org.apache.spark.sql.types.StructType

private class ItemsBatchWriter
(
  userConfig: Map[String, String],
  inputSchema: StructType,
  cosmosClientStateHandles: Broadcast[CosmosClientMetadataCachesSnapshots],
  diagnosticsConfig: DiagnosticsConfig,
  sparkEnvironmentInfo: String
)
  extends BatchWrite
    with StreamingWrite {

  @transient private lazy val log = LoggerHelper.getLogger(diagnosticsConfig, this.getClass)
  log.logTrace(s"Instantiated ${this.getClass.getSimpleName}")

  override def createBatchWriterFactory(physicalWriteInfo: PhysicalWriteInfo): DataWriterFactory = {
    new ItemsDataWriteFactory(
      userConfig,
      inputSchema,
      cosmosClientStateHandles,
      diagnosticsConfig,
      sparkEnvironmentInfo)
  }

  override def createStreamingWriterFactory(physicalWriteInfo: PhysicalWriteInfo): StreamingDataWriterFactory = {
    new ItemsDataWriteFactory(
      userConfig,
      inputSchema,
      cosmosClientStateHandles,
      diagnosticsConfig,
      sparkEnvironmentInfo)
  }

  override def useCommitCoordinator(): Boolean = {
    return false
    // TODO
  }

  override def commit(writerCommitMessages: Array[WriterCommitMessage]): Unit = {
    // TODO
  }

  override def commit(epochId: Long, writerCommitMessages: Array[WriterCommitMessage]): Unit = {
    // TODO
  }

  override def abort(writerCommitMessages: Array[WriterCommitMessage]): Unit = {
    // TODO
  }

  override def abort(epochId: Long, writerCommitMessages: Array[WriterCommitMessage]): Unit = {
    // TODO
  }
}