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// Licensed to the Apache Software Foundation (ASF) under one or more | ||
// contributor license agreements. See the NOTICE file distributed with | ||
// this work for additional information regarding copyright ownership. | ||
// The ASF licenses this file to You 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 urn handles extracting urns from all the protos. | ||
package urns | ||
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import ( | ||
pipepb "github.com/apache/beam/sdks/v2/go/pkg/beam/model/pipeline_v1" | ||
"google.golang.org/protobuf/proto" | ||
"google.golang.org/protobuf/reflect/protoreflect" | ||
) | ||
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type protoEnum interface { | ||
~int32 | ||
Descriptor() protoreflect.EnumDescriptor | ||
} | ||
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// toUrn returns a function that can get the urn string from the proto. | ||
func toUrn[Enum protoEnum]() func(Enum) string { | ||
evd := (Enum)(0).Descriptor().Values() | ||
return func(v Enum) string { | ||
return proto.GetExtension(evd.ByNumber(protoreflect.EnumNumber(v)).Options(), pipepb.E_BeamUrn).(string) | ||
} | ||
} | ||
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// quickUrn handles one off urns instead of retaining a helper function. | ||
// Notably useful for the windowFns due to their older design. | ||
func quickUrn[Enum protoEnum](v Enum) string { | ||
return toUrn[Enum]()(v) | ||
} | ||
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var ( | ||
ptUrn = toUrn[pipepb.StandardPTransforms_Primitives]() | ||
ctUrn = toUrn[pipepb.StandardPTransforms_Composites]() | ||
cmbtUrn = toUrn[pipepb.StandardPTransforms_CombineComponents]() | ||
sdfUrn = toUrn[pipepb.StandardPTransforms_SplittableParDoComponents]() | ||
siUrn = toUrn[pipepb.StandardSideInputTypes_Enum]() | ||
cdrUrn = toUrn[pipepb.StandardCoders_Enum]() | ||
reqUrn = toUrn[pipepb.StandardRequirements_Enum]() | ||
envUrn = toUrn[pipepb.StandardEnvironments_Environments]() | ||
) | ||
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var ( | ||
// SDK transforms. | ||
TransformParDo = ptUrn(pipepb.StandardPTransforms_PAR_DO) | ||
TransformCombinePerKey = ctUrn(pipepb.StandardPTransforms_COMBINE_PER_KEY) | ||
TransformPreCombine = cmbtUrn(pipepb.StandardPTransforms_COMBINE_PER_KEY_PRECOMBINE) | ||
TransformMerge = cmbtUrn(pipepb.StandardPTransforms_COMBINE_PER_KEY_MERGE_ACCUMULATORS) | ||
TransformExtract = cmbtUrn(pipepb.StandardPTransforms_COMBINE_PER_KEY_EXTRACT_OUTPUTS) | ||
TransformPairWithRestriction = sdfUrn(pipepb.StandardPTransforms_PAIR_WITH_RESTRICTION) | ||
TransformSplitAndSize = sdfUrn(pipepb.StandardPTransforms_SPLIT_AND_SIZE_RESTRICTIONS) | ||
TransformProcessSizedElements = sdfUrn(pipepb.StandardPTransforms_PROCESS_SIZED_ELEMENTS_AND_RESTRICTIONS) | ||
TransformTruncate = sdfUrn(pipepb.StandardPTransforms_TRUNCATE_SIZED_RESTRICTION) | ||
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// Window Manipulation | ||
TransformAssignWindows = ptUrn(pipepb.StandardPTransforms_ASSIGN_WINDOWS) | ||
TransformMapWindows = ptUrn(pipepb.StandardPTransforms_MAP_WINDOWS) | ||
TransformMergeWindows = ptUrn(pipepb.StandardPTransforms_MERGE_WINDOWS) | ||
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// Undocumented Urns | ||
GoDoFn = "beam:go:transform:dofn:v1" // Only used for Go DoFn. | ||
TransformSource = "beam:runner:source:v1" // The data source reading transform. | ||
TransformSink = "beam:runner:sink:v1" // The data sink writing transform. | ||
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// Runner transforms. | ||
TransformImpulse = ptUrn(pipepb.StandardPTransforms_IMPULSE) | ||
TransformGBK = ptUrn(pipepb.StandardPTransforms_GROUP_BY_KEY) | ||
TransformFlatten = ptUrn(pipepb.StandardPTransforms_FLATTEN) | ||
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// Side Input access patterns | ||
SideInputIterable = siUrn(pipepb.StandardSideInputTypes_ITERABLE) | ||
SideInputMultiMap = siUrn(pipepb.StandardSideInputTypes_MULTIMAP) | ||
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// WindowsFns | ||
WindowFnGlobal = quickUrn(pipepb.GlobalWindowsPayload_PROPERTIES) | ||
WindowFnFixed = quickUrn(pipepb.FixedWindowsPayload_PROPERTIES) | ||
WindowFnSliding = quickUrn(pipepb.SlidingWindowsPayload_PROPERTIES) | ||
WindowFnSession = quickUrn(pipepb.SessionWindowsPayload_PROPERTIES) | ||
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// Coders | ||
CoderBytes = cdrUrn(pipepb.StandardCoders_BYTES) | ||
CoderBool = cdrUrn(pipepb.StandardCoders_BOOL) | ||
CoderDouble = cdrUrn(pipepb.StandardCoders_DOUBLE) | ||
CoderStringUTF8 = cdrUrn(pipepb.StandardCoders_STRING_UTF8) | ||
CoderRow = cdrUrn(pipepb.StandardCoders_ROW) | ||
CoderVarInt = cdrUrn(pipepb.StandardCoders_VARINT) | ||
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CoderGlobalWindow = cdrUrn(pipepb.StandardCoders_GLOBAL_WINDOW) | ||
CoderIntervalWindow = cdrUrn(pipepb.StandardCoders_INTERVAL_WINDOW) | ||
CoderCustomWindow = cdrUrn(pipepb.StandardCoders_CUSTOM_WINDOW) | ||
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CoderParamWindowedValue = cdrUrn(pipepb.StandardCoders_PARAM_WINDOWED_VALUE) | ||
CoderWindowedValue = cdrUrn(pipepb.StandardCoders_WINDOWED_VALUE) | ||
CoderTimer = cdrUrn(pipepb.StandardCoders_TIMER) | ||
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CoderKV = cdrUrn(pipepb.StandardCoders_KV) | ||
CoderLengthPrefix = cdrUrn(pipepb.StandardCoders_LENGTH_PREFIX) | ||
CoderNullable = cdrUrn(pipepb.StandardCoders_NULLABLE) | ||
CoderIterable = cdrUrn(pipepb.StandardCoders_ITERABLE) | ||
CoderStateBackedIterable = cdrUrn(pipepb.StandardCoders_STATE_BACKED_ITERABLE) | ||
CoderShardedKey = cdrUrn(pipepb.StandardCoders_SHARDED_KEY) | ||
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// Requirements | ||
RequirementSplittableDoFn = reqUrn(pipepb.StandardRequirements_REQUIRES_SPLITTABLE_DOFN) | ||
RequirementBundleFinalization = reqUrn(pipepb.StandardRequirements_REQUIRES_BUNDLE_FINALIZATION) | ||
RequirementOnWindowExpiration = reqUrn(pipepb.StandardRequirements_REQUIRES_ON_WINDOW_EXPIRATION) | ||
RequirementStableInput = reqUrn(pipepb.StandardRequirements_REQUIRES_STABLE_INPUT) | ||
RequirementStatefulProcessing = reqUrn(pipepb.StandardRequirements_REQUIRES_STATEFUL_PROCESSING) | ||
RequirementTimeSortedInput = reqUrn(pipepb.StandardRequirements_REQUIRES_TIME_SORTED_INPUT) | ||
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// Environment types | ||
EnvDocker = envUrn(pipepb.StandardEnvironments_DOCKER) | ||
EnvProcess = envUrn(pipepb.StandardEnvironments_PROCESS) | ||
EnvExternal = envUrn(pipepb.StandardEnvironments_EXTERNAL) | ||
EnvDefault = envUrn(pipepb.StandardEnvironments_DEFAULT) | ||
) |
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// Licensed to the Apache Software Foundation (ASF) under one or more | ||
// contributor license agreements. See the NOTICE file distributed with | ||
// this work for additional information regarding copyright ownership. | ||
// The ASF licenses this file to You 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 urn handles extracting urns from all the protos. | ||
package urns | ||
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import ( | ||
"testing" | ||
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pipepb "github.com/apache/beam/sdks/v2/go/pkg/beam/model/pipeline_v1" | ||
) | ||
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// Test_toUrn validates that generic urn extraction mechnanism works, which is used for | ||
// all the urns present. | ||
func Test_toUrn(t *testing.T) { | ||
want := "beam:transform:pardo:v1" | ||
if got := TransformParDo; got != want { | ||
t.Errorf("TransformParDo = %v, want %v", got, want) | ||
} | ||
// Validate that quickUrn gets the same thing | ||
if got := quickUrn(pipepb.StandardPTransforms_PAR_DO); got != want { | ||
t.Errorf("quickUrn(\"pipepb.StandardPTransforms_PAR_DO\") = %v, want %v", got, want) | ||
} | ||
} |