sirenbyte commented on code in PR #26861: URL: https://github.com/apache/beam/pull/26861#discussion_r1241589930
########## learning/tour-of-beam/learning-content/final-challenge/final-challenge-2/go-solution/main.go: ########## @@ -0,0 +1,185 @@ +/* + * 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. + */ + +// beam-playground: +// name: FinalSolution2 +// description: Final challenge solution 2. +// multifile: true +// files: +// - name: analysis.csv +// context_line: 54 +// categories: +// - Quickstart +// complexity: ADVANCED +// tags: +// - hellobeam + +package main + +import ( + "context" + "fmt" + "strings" + "time" + + "github.com/apache/beam/sdks/v2/go/pkg/beam/core/graph/window" + "github.com/apache/beam/sdks/v2/go/pkg/beam/core/graph/window/trigger" + "github.com/apache/beam/sdks/v2/go/pkg/beam" + "github.com/apache/beam/sdks/v2/go/pkg/beam/io/textio" + "github.com/apache/beam/sdks/v2/go/pkg/beam/log" + "github.com/apache/beam/sdks/v2/go/pkg/beam/transforms/filter" + "github.com/apache/beam/sdks/v2/go/pkg/beam/transforms/stats" + "github.com/apache/beam/sdks/v2/go/pkg/beam/x/beamx" + "github.com/apache/beam/sdks/v2/go/pkg/beam/x/debug" +) + +type Analysis struct { + Word string + Negative string + Positive string + Uncertainty string + Litigious string + Strong string + Weak string + Constraining string +} + +func (a Analysis) toString() string { + return fmt.Sprintf("Word: %s, Negative: %s, Positive: %s, Uncertainty: %s, Litigious: %s, Strong: %s, Weak: %s, Constraining: %s", + a.Word, a.Negative, a.Positive, a.Uncertainty, a.Litigious, a.Strong, a.Weak, a.Constraining) +} + +func main() { + + ctx := context.Background() + + beam.Init() + + p := beam.NewPipeline() + s := p.Root() + + shakespeare := textio.Read(s, "gs://apache-beam-samples/shakespeare/kinglear.txt") + shakespeareWords := getWords(s, shakespeare) + analysis := textio.Read(s, "analysis.csv") + analysisRecords := parseAnalysis(s, analysis) + + trigger := trigger.AfterEndOfWindow(). + EarlyFiring(trigger.AfterProcessingTime(). + PlusDelay(5 * time.Second)) + + fixedWindowedItems := beam.WindowInto(s, window.NewFixedWindows(30*time.Second), shakespeareWords, + beam.Trigger(trigger), + beam.AllowedLateness(30*time.Second), + beam.PanesDiscard(), + ) Review Comment: And a good case of using a "non-global window" with other transformers, since they cause different solutions to the problem. If Count works Global-Window simply, others need to add with Defaults and specify the type or write CountFn themselves -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
