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feat(blame) - add schema history blame UI
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aditya-radhakrishnan
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May 2, 2022
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61 changes: 61 additions & 0 deletions
61
...src/main/java/com/linkedin/datahub/graphql/resolvers/timeline/GetSchemaBlameResolver.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package com.linkedin.datahub.graphql.resolvers.timeline; | ||
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| import com.linkedin.common.urn.Urn; | ||
| import com.linkedin.datahub.graphql.generated.GetSchemaBlameInput; | ||
| import com.linkedin.datahub.graphql.generated.GetSchemaBlameResult; | ||
| import com.linkedin.datahub.graphql.types.timeline.mappers.SchemaFieldBlameMapper; | ||
| import com.linkedin.metadata.timeline.TimelineService; | ||
| import com.linkedin.metadata.timeline.data.ChangeCategory; | ||
| import com.linkedin.metadata.timeline.data.ChangeTransaction; | ||
| import graphql.schema.DataFetcher; | ||
| import graphql.schema.DataFetchingEnvironment; | ||
| import java.net.URISyntaxException; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import lombok.extern.slf4j.Slf4j; | ||
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| import static com.linkedin.datahub.graphql.resolvers.ResolverUtils.*; | ||
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| @Slf4j | ||
| public class GetSchemaBlameResolver implements DataFetcher<CompletableFuture<GetSchemaBlameResult>> { | ||
| private final TimelineService _timelineService; | ||
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| public GetSchemaBlameResolver(TimelineService timelineService) { | ||
| _timelineService = timelineService; | ||
| } | ||
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| @Override | ||
| public CompletableFuture<GetSchemaBlameResult> get(final DataFetchingEnvironment environment) throws Exception { | ||
| final GetSchemaBlameInput input = bindArgument(environment.getArgument("input"), GetSchemaBlameInput.class); | ||
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| final String datasetUrnString = input.getDatasetUrn() == null ? null : input.getDatasetUrn(); | ||
| final long startTime = 0; | ||
| final long endTime = 0; | ||
| final String version = input.getVersion() == null ? null : input.getVersion(); | ||
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| return CompletableFuture.supplyAsync(() -> { | ||
| try { | ||
| if (datasetUrnString == null) { | ||
| return null; | ||
| } | ||
| final Set<ChangeCategory> changeCategorySet = new HashSet<>(); | ||
| changeCategorySet.add(ChangeCategory.TECHNICAL_SCHEMA); | ||
| Urn datasetUrn = Urn.createFromString(datasetUrnString); | ||
| List<ChangeTransaction> changeTransactionList = | ||
| _timelineService.getTimeline(datasetUrn, changeCategorySet, startTime, endTime, null, null, false); | ||
| return SchemaFieldBlameMapper.map(changeTransactionList, version); | ||
| } catch (URISyntaxException u) { | ||
| log.debug( | ||
| String.format("Failed to list schema blame data, likely due to the Urn %s being invalid", datasetUrnString), | ||
| u); | ||
| return null; | ||
| } catch (Exception e) { | ||
| log.debug("Failed to list schema blame data", e); | ||
| return null; | ||
| } | ||
| }); | ||
| } | ||
| } |
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