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| 1 | +/* |
| 2 | + * Copyright 2018-2023 contributors to the Marquez project |
| 3 | + * SPDX-License-Identifier: Apache-2.0 |
| 4 | + */ |
| 5 | + |
| 6 | +package marquez.service.models; |
| 7 | + |
| 8 | +import static marquez.service.models.EventTypeResolver.EventSchemaURL.LINEAGE_EVENT; |
| 9 | + |
| 10 | +import com.fasterxml.jackson.annotation.JsonTypeInfo.Id; |
| 11 | +import com.fasterxml.jackson.databind.DatabindContext; |
| 12 | +import com.fasterxml.jackson.databind.JavaType; |
| 13 | +import com.fasterxml.jackson.databind.jsontype.impl.TypeIdResolverBase; |
| 14 | +import java.io.IOException; |
| 15 | +import java.util.Arrays; |
| 16 | +import lombok.AllArgsConstructor; |
| 17 | +import lombok.Getter; |
| 18 | +import lombok.extern.slf4j.Slf4j; |
| 19 | + |
| 20 | +@Slf4j |
| 21 | +public class EventTypeResolver extends TypeIdResolverBase { |
| 22 | + |
| 23 | + @AllArgsConstructor |
| 24 | + public enum EventSchemaURL { |
| 25 | + LINEAGE_EVENT( |
| 26 | + "https://openlineage.io/spec/2-0-0/OpenLineage.json#/definitions/RunEvent", |
| 27 | + LineageEvent.class), |
| 28 | + DATASET_EVENT( |
| 29 | + "https://openlineage.io/spec/2-0-0/OpenLineage.json#/definitions/DatasetEvent", |
| 30 | + DatasetEvent.class), |
| 31 | + JOB_EVENT( |
| 32 | + "https://openlineage.io/spec/2-0-0/OpenLineage.json#/definitions/JobEvent", JobEvent.class); |
| 33 | + |
| 34 | + @Getter private String schemaURL; |
| 35 | + |
| 36 | + public String getName() { |
| 37 | + int lastSlash = schemaURL.lastIndexOf('/'); |
| 38 | + return schemaURL.substring(lastSlash, schemaURL.length()); |
| 39 | + } |
| 40 | + |
| 41 | + @Getter private Class<?> subType; |
| 42 | + } |
| 43 | + |
| 44 | + private JavaType superType; |
| 45 | + |
| 46 | + @Override |
| 47 | + public void init(JavaType baseType) { |
| 48 | + superType = baseType; |
| 49 | + } |
| 50 | + |
| 51 | + @Override |
| 52 | + public String idFromValue(Object value) { |
| 53 | + return null; |
| 54 | + } |
| 55 | + |
| 56 | + @Override |
| 57 | + public String idFromValueAndType(Object value, Class<?> suggestedType) { |
| 58 | + return null; |
| 59 | + } |
| 60 | + |
| 61 | + @Override |
| 62 | + public JavaType typeFromId(DatabindContext context, String id) throws IOException { |
| 63 | + if (id == null) { |
| 64 | + return context.constructSpecializedType(superType, LINEAGE_EVENT.subType); |
| 65 | + } |
| 66 | + |
| 67 | + int lastSlash = id.lastIndexOf('/'); |
| 68 | + |
| 69 | + if (lastSlash < 0) { |
| 70 | + return context.constructSpecializedType(superType, LINEAGE_EVENT.subType); |
| 71 | + } |
| 72 | + |
| 73 | + String type = id.substring(lastSlash, id.length()); |
| 74 | + |
| 75 | + Class<?> subType = |
| 76 | + Arrays.stream(EventSchemaURL.values()) |
| 77 | + .filter(s -> s.getName().equals(type)) |
| 78 | + .findAny() |
| 79 | + .map(EventSchemaURL::getSubType) |
| 80 | + .orElse(LINEAGE_EVENT.subType); |
| 81 | + |
| 82 | + return context.constructSpecializedType(superType, subType); |
| 83 | + } |
| 84 | + |
| 85 | + @Override |
| 86 | + public Id getMechanism() { |
| 87 | + return null; |
| 88 | + } |
| 89 | +} |
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