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94 changes: 94 additions & 0 deletions
94
runner/src/main/java/org/ananas/runner/paginator/files/GCSPaginator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package org.ananas.runner.paginator.files; | ||
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| import com.google.api.gax.paging.Page; | ||
| import com.google.cloud.storage.*; | ||
| import org.ananas.runner.kernel.paginate.AutoDetectedSchemaPaginator; | ||
| import org.ananas.runner.kernel.paginate.Paginator; | ||
| import org.ananas.runner.model.steps.files.JsonPaginator; | ||
| import org.ananas.runner.model.steps.files.TextPaginator; | ||
| import org.apache.beam.sdk.schemas.Schema; | ||
| import org.apache.beam.sdk.values.Row; | ||
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| import java.util.Map; | ||
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| public class GCSPaginator extends AutoDetectedSchemaPaginator { | ||
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| private String format; | ||
| private Paginator paginator; | ||
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| public GCSPaginator(String id, | ||
| String type, | ||
| Map<String, Object> config, | ||
| Schema schema) { | ||
| super(id, type, config, schema); | ||
| } | ||
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| @Override | ||
| public Iterable<Row> iterateRows(Integer page, Integer pageSize) { | ||
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| return paginator.paginateRows( | ||
| page == null ? 0 : Integer.valueOf(page), | ||
| pageSize == null ? 1000 : Integer.valueOf(pageSize)).getRight(); | ||
| } | ||
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| @Override | ||
| public Schema autodetect() { | ||
| if (format.toLowerCase().equals("csv")) { | ||
| return ((CSVPaginator)paginator).autodetect(); | ||
| } | ||
| return this.schema;//already autodetected | ||
| } | ||
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| @Override | ||
| public void parseConfig(Map<String, Object> config) { | ||
| System.out.println("Hey ho " + config); | ||
| this.format = (String)config.get("format"); | ||
| String bucketName = (String)config.get("bucket"); | ||
| String prefix = (String)config.get("path"); | ||
| System.out.println("Hey ho " + prefix); | ||
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| //get bucket | ||
| BucketInfo.Builder builder = Bucket.newBuilder(bucketName); | ||
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| // Instantiates a client | ||
| Storage storage = StorageOptions.getDefaultInstance().getService(); | ||
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| // The name for the new bucket | ||
| //String bucketName = "id5"; | ||
| //String prefix = "appnexus/20180802"; | ||
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| // Creates the new bucket | ||
| Page<Blob> l = storage.list(bucketName, Storage.BlobListOption.prefix(prefix)); | ||
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| String url = null; | ||
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| if (l.hasNextPage()) { | ||
| throw new IllegalArgumentException("There is no files in this bucket"); | ||
| } | ||
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| for (Blob b : l.iterateAll()) { | ||
| url = b.getMediaLink(); | ||
| this.config.put("path", url); | ||
| break; | ||
| } | ||
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| this.config.put("path", url); | ||
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| switch (format.toLowerCase()) { | ||
| case "csv": | ||
| paginator = new CSVPaginator(this.id, this.type, this.config, schema); | ||
| break; | ||
| case "json": | ||
| paginator = new JsonPaginator(this.id, url); | ||
| break; | ||
| case "text": | ||
| paginator = new TextPaginator(this.id, url); | ||
| break; | ||
| default: | ||
| throw new IllegalArgumentException("Unsupported format " + format); | ||
| } | ||
| } | ||
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| } |
53 changes: 53 additions & 0 deletions
53
runner/src/main/java/org/ananas/runner/steprunner/files/GCSConnector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package org.ananas.runner.steprunner.files; | ||
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| import org.ananas.runner.kernel.ConnectorStepRunner; | ||
| import org.ananas.runner.kernel.model.Step; | ||
| import org.ananas.runner.kernel.model.StepType; | ||
| import org.ananas.runner.kernel.paginate.AutoDetectedSchemaPaginator; | ||
| import org.ananas.runner.kernel.paginate.PaginatorFactory; | ||
| import org.ananas.runner.steprunner.files.csv.BeamTextCSVCustomTable; | ||
| import org.apache.beam.sdk.Pipeline; | ||
| import org.apache.beam.sdk.schemas.Schema; | ||
| import org.apache.beam.sdk.transforms.Create; | ||
| import org.apache.beam.sdk.values.PCollection; | ||
| import org.apache.beam.sdk.values.Row; | ||
| import org.apache.commons.lang3.tuple.MutablePair; | ||
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| public class GCSConnector extends ConnectorStepRunner { | ||
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| private static final long serialVersionUID = -6637097842918012864L; | ||
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| public GCSConnector(Pipeline pipeline, Step step, boolean doSampling, boolean isTest) { | ||
| super(pipeline, step, doSampling, isTest); | ||
| } | ||
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| public void build() { | ||
| System.out.println(step.config); | ||
| //GCSStepConfig config = new GCSStepConfig(StepType.Connector, step.config); | ||
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| Schema schema = step.getBeamSchema(); | ||
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| AutoDetectedSchemaPaginator paginator = | ||
| PaginatorFactory.of(stepId, step.metadataId, step.type, step.config, schema) | ||
| .buildPaginator(); | ||
| schema = paginator.getSchema(); | ||
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| if (schema == null || step.forceAutoDetectSchema()) { | ||
| // find the paginator bind to it | ||
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| } | ||
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| this.stepId = stepId; | ||
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| Integer page = 1; | ||
| Integer pageSize = 100; | ||
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| MutablePair<Schema, Iterable<Row>> c = paginator.paginateRows(page, pageSize); | ||
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| Create.Values<Row> o = Create.of(c.getRight()); | ||
| this.output = this.pipeline.apply(o); | ||
| this.output.setRowSchema(schema); | ||
| } | ||
| } | ||
|
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