com.logicalclocks.hsfs.engine

Class Engine<T>

java.lang.Object

com.logicalclocks.hsfs.engine.EngineBase

com.logicalclocks.hsfs.engine.Engine<T>

public class Engine<T>
extends EngineBase

Field Summary

Fields inherited from class com.logicalclocks.hsfs.engine.EngineBase

LOGGER, storageConnectorApi

Method Summary

Modifier and Type	Method and Description
String	addFile(String filePath)
static Engine	getInstance()
Map<String,String>	getKafkaConfig(FeatureGroupBase featureGroup, Map<String,String> writeOptions)
org.apache.avro.generic.GenericRecord	pojoToAvroRecord(Object input, org.apache.avro.Schema deserializedEncodedSchema, Map<String,org.apache.avro.Schema> complexFeatureSchemas)
List<T>	writeStream(StreamFeatureGroup streamFeatureGroup, List<T> featureData, Map<String,String> writeOptions)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static Engine getInstance()
                          throws FeatureStoreException

Throws:

FeatureStoreException

writeStream

public List<T> writeStream(StreamFeatureGroup streamFeatureGroup,
                           List<T> featureData,
                           Map<String,String> writeOptions)
                    throws FeatureStoreException,
                           IOException,
                           org.apache.avro.SchemaValidationException,
                           NoSuchFieldException,
                           IllegalAccessException

Throws:

FeatureStoreException

IOException

org.apache.avro.SchemaValidationException

NoSuchFieldException

IllegalAccessException

pojoToAvroRecord

public org.apache.avro.generic.GenericRecord pojoToAvroRecord(Object input,
                                                              org.apache.avro.Schema deserializedEncodedSchema,
                                                              Map<String,org.apache.avro.Schema> complexFeatureSchemas)
                                                       throws NoSuchFieldException,
                                                              IOException,
                                                              IllegalAccessException

Throws:

NoSuchFieldException

IOException

IllegalAccessException

addFile

public String addFile(String filePath)
               throws IOException,
                      FeatureStoreException

Specified by:

addFile in class EngineBase

Throws:

IOException

FeatureStoreException

getKafkaConfig

public Map<String,String> getKafkaConfig(FeatureGroupBase featureGroup,
                                         Map<String,String> writeOptions)
                                  throws FeatureStoreException,
                                         IOException

Specified by:

getKafkaConfig in class EngineBase

Throws:

FeatureStoreException

IOException