sdks/

beamctl is a command line client for the Apache Beam portability services.

Package cmd contains the commands for beamctl.

specialize is a low-level tool to generate type-specialized code.

Package verifies that functions sym2addr and addr2sym work correctly.

tornadoes is an example that reads the public samples of weather data from BigQuery, counts the number of tornadoes that occur in each month, and writes the results to BigQuery.

debugging_wordcount is an example that verifies word counts in Shakespeare and includes Beam best practices.

forest is an example that shows that pipeline construction is normal Go code -- the pipeline "forest" is created recursively and uses a global variable -- and that a pipeline may contain non-connected parts.

minimal_wordcount is an example that counts words in Shakespeare.

multiout is a wordcount variation that uses a multi-outout DoFn and writes 2 output files.

streaming_wordcap is a toy streaming pipeline that uses PubSub.

windowed_wordcount counts words in text, and can run over either unbounded or bounded input collections.

wordcount is an example that counts words in Shakespeare and includes Beam best practices.

yatzy is an implementation of https://en.wikipedia.org/wiki/Yatzy that shows that pipeline construction is normal Go code.

Package beam is an implementation of the Apache Beam (https://beam.apache.org) programming model in Go.

Package artifact contains utilities for staging and retrieving artifacts.

Package gcsproxy contains artifact staging and retrieval servers backed by GCS.

Package funcx contains functions and types used to perform type analysis of Beam functions.

Package graph is the internal representation of the Beam execution plan.

Package coder contains coder representation and utilities.

Package mtime contains a millisecond representation of time.

Package window contains window representation, windowing strategies and utilities.

Package metrics implements the Beam metrics API, described at http://s.apache.org/beam-metrics-api Metrics in the Beam model are uniquely identified by a namespace, a name, and the PTransform context in which they are used.

Package runtime contains runtime hooks and utilities for pipeline options and type registration.

Package coderx contains primitive coders.

Package exec contains runtime plan representation and execution.

Package optimized contains type-specialized shims for faster execution.

Package graphx provides facilities to help with the serialization of pipelines into a serializable graph structure suitable for the worker.

Package v1 is a generated protocol buffer package.

Package harness implements the SDK side of the Beam FnAPI.

Package init contains the harness initialization code defined by the FnAPI.

Package session is a generated protocol buffer package.

Package typex contains full type representation and utilities for type checking.

Package dot produces DOT graphs from Beam graph representations.

Package hooks allows runners to tailor execution of the worker harness.

Package ioutilx contains additional io utilities.

Package protox contains utilities for working with protobufs.

Package reflectx contains a set of reflection utilities and well-known types.

Package stringx contains utilities for working with strings.

Package symtab allows reading low-level symbol information from the symbol table.

Package bigqueryio provides transformations and utilities to interact with Google BigQuery.

Package datastoreio provides transformations and utilities to interact with Google Datastore.

Package filesystem contains an extensible file system abstraction.

Package gcs contains a Google Cloud Storage (GCS) implementation of the Beam file system.

Package local contains a local file implementation of the Beam file system.

Package memfs contains a in-memory Beam filesystem.

Package pubsubio provides access to PubSub on Dataflow streaming.

Package v1 is a generated protocol buffer package.

Package textio contains transforms for reading and writing text files.

Package log contains a re-targetable context-aware logging system.

Package model contains the portable Beam model contracts.

Package gcpopts contains shared options for Google Cloud Platform.

Package jobopts contains shared options for job submission.

Package provision contains utilities for obtaining runtime provision, information -- such as pipeline options.

Package dataflow contains the Dataflow runner for submitting pipelines to Google Cloud Dataflow.

Package direct contains the direct runner for running single-bundle pipelines in the current process.

Package dot is a Beam runner that "runs" a pipeline by producing a DOT graph of the execution plan.

Package flink contains the Flink runner.

Package universal contains a general-purpose runner that can submit jobs to any portable Beam runner.

Package runnerlib contains utilities for submitting Go pipelines to a Beam model runner.

Package passert contains verification transformations for testing pipelines.

Package ptest contains utilities for pipeline unit testing.

Package filter contains transformations for removing pipeline elements based on various conditions.

Pacakge stats contains transforms for statistical processing.

Package top contains transformations for finding the smallest (or largest) N elements based on arbitrary orderings.

Package errorx contains utilities for handling errors.

Package execx contains wrappers and utilities for the exec package.

Package gcsx contains utilities for working with Google Cloud Storage (GCS).

Package grpcx contains utilities for working with gRPC.

Package pubsubx contains utilities for working with Google PubSub.

Package syscallx provides system call utilities that attempt to hide platform differences.

Package beamx is a convenience package for beam.

Package perf is to add performance measuring hooks to a runner, such as cpu, or trace profiles.

The integration driver provides a suite of tests to run against a registered runner.

Package wordcount contains transforms for wordcount.

Package regression contains pipeline regression tests.

boot is the boot code for the Java SDK harness container.

boot is the boot code for the Python SDK harness container.