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Merge pull request #19 from baskaranz/feature/kafkaio
KafkaIO implementation for feast
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33 changes: 33 additions & 0 deletions
33
ingestion/src/main/java/feast/ingestion/deserializer/FeatureRowDeserializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package feast.ingestion.deserializer; | ||
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| import com.google.protobuf.InvalidProtocolBufferException; | ||
| import feast.types.FeatureRowProto.FeatureRow; | ||
| import org.apache.kafka.common.errors.SerializationException; | ||
| import org.apache.kafka.common.serialization.Deserializer; | ||
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| import java.util.Map; | ||
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| /** | ||
| * Deserializer for Kafka to deserialize Protocol Buffers messages | ||
| * | ||
| * @param <FeatureRow> Protobuf message type | ||
| */ | ||
| public class FeatureRowDeserializer implements Deserializer<FeatureRow> { | ||
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| @Override | ||
| public void configure(Map configs, boolean isKey) { | ||
| } | ||
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| @Override | ||
| public FeatureRow deserialize(String topic, byte[] data) { | ||
| try { | ||
| return FeatureRow.parseFrom(data); | ||
| } catch (InvalidProtocolBufferException e) { | ||
| throw new SerializationException("Error deserializing FeatureRow from Protobuf message", e); | ||
| } | ||
| } | ||
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| @Override | ||
| public void close() { | ||
| } | ||
| } |
33 changes: 33 additions & 0 deletions
33
ingestion/src/main/java/feast/ingestion/deserializer/FeatureRowKeyDeserializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package feast.ingestion.deserializer; | ||
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| import com.google.protobuf.InvalidProtocolBufferException; | ||
| import feast.types.FeatureRowProto.*; | ||
| import org.apache.kafka.common.errors.SerializationException; | ||
| import org.apache.kafka.common.serialization.Deserializer; | ||
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| import java.util.Map; | ||
|
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| /** | ||
| * Deserializer for Kafka to deserialize Protocol Buffers messages | ||
| * | ||
| * @param <FeatureRowKey> Protobuf message type | ||
| */ | ||
| public class FeatureRowKeyDeserializer implements Deserializer<FeatureRowKey> { | ||
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| @Override | ||
| public void configure(Map configs, boolean isKey) { | ||
| } | ||
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| @Override | ||
| public FeatureRowKey deserialize(String topic, byte[] data) { | ||
| try { | ||
| return FeatureRowKey.parseFrom(data); | ||
| } catch (InvalidProtocolBufferException e) { | ||
| throw new SerializationException("Error deserializing FeatureRowKey from Protobuf message", e); | ||
| } | ||
| } | ||
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| @Override | ||
| public void close() { | ||
| } | ||
| } |
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15 changes: 15 additions & 0 deletions
15
ingestion/src/main/java/feast/ingestion/transform/FeatureEnums.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| package feast.ingestion.transform; | ||
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| public class FeatureEnums { | ||
| public enum InputSource { | ||
| FILE, | ||
| BIGQUERY, | ||
| PUBSUB, | ||
| KAFKA | ||
| } | ||
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| public enum FileFormat { | ||
| CSV, | ||
| JSON | ||
| } | ||
| } |
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