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package root
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root
package com
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root
package adform
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com
package streamloader
The entry point of the stream loader library is the StreamLoader class, which requires a KafkaSource and a Sink.
The entry point of the stream loader library is the StreamLoader class, which requires a KafkaSource and a Sink. Once started it will subscribe to the provided topics and will start polling and sinking records. The sink has to be able to persist records and to look up committed offsets (technically this is optional, but without it there would be no way to provide any delivery guarantees). A large class of sinks are batch based, implemented as RecordBatchingSink. This sink accumulate batches of records using some RecordBatcher and once ready, stores them to some underlying RecordBatchStorage. A common type of batch is file based, i.e. a batcher might write records to a temporary file and once the file is full the sink commits the file to some underlying storage, such as a database or a distributed file system like HDFS.
A sketch of the class hierarchy illustrating the main classes and interfaces can be seen below.

For concrete storage implementations see the clickhouse, hadoop, s3 and vertica packages. They also contain more file builder implementations than just the CsvFileBuilder included in the core library.
Definition Classes
adform
package sink
Definition Classes
streamloader
package file
Definition Classes
sink
BaseFileBuilder
Compression
CountingOutputStream
FileBuilder
FileBuilderFactory
FileCommitStrategy
FilePathFormatter
FileRecordBatch
FileRecordBatcher
FileStats
MultiFileCommitStrategy
PartitionedFileRecordBatch
PartitioningFileRecordBatcher
SingleFileRecordBatch
StreamFileBuilder
TimePartitioningFilePathFormatter

com.adform.streamloader.sink.file

MultiFileCommitStrategy

Companion trait MultiFileCommitStrategy

object MultiFileCommitStrategy

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def allFiles(single: FileCommitStrategy): MultiFileCommitStrategy
Builds a commit strategy that commits when all files satisfy the given single file commit strategy.
def anyFile(single: FileCommitStrategy): MultiFileCommitStrategy
Builds a commit strategy that commits when any file satisfies the given single file commit strategy.
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def total(single: FileCommitStrategy): MultiFileCommitStrategy
Builds a commit strategy that commits when the total file stats (i.e.
Builds a commit strategy that commits when the total file stats (i.e. total file size, total record count and max open time) satisfy the given single file commit strategy.
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Deprecated
(Since version 9)

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MultiFileCommitStrategy

Companion trait MultiFileCommitStrategy

object MultiFileCommitStrategy

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MultiFileCommitStrategy

Companion trait MultiFileCommitStrategy

object MultiFileCommitStrategy

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MultiFileCommitStrategy