com.logicalclocks.hsfs.constructor

Class Query

java.lang.Object

com.logicalclocks.hsfs.constructor.Query

public class Query
extends Object

Constructor Summary

Constructors

Constructor and Description
Query()
Query(FeatureGroupBase leftFeatureGroup, List<Feature> leftFeatures)

Method Summary

Modifier and Type	Method and Description
Query	appendFeature(Feature feature)
Query	asOf(String wallclockTime) Perform time travel on the given Query.
Query	asOf(String wallclockTime, String excludeUntil) Perform time travel on the given Query.
Query	filter(Filter filter)
Query	filter(FilterLogic filter)
FilterLogic	getFilter()
Boolean	getHiveEngine()
List<Join>	getJoins()
FeatureGroupBase	getLeftFeatureGroup()
Long	getLeftFeatureGroupEndTime()
Long	getLeftFeatureGroupStartTime()
List<Feature>	getLeftFeatures()
boolean	isTimeTravel()
Query	join(Query subquery)
Query	join(Query subquery, JoinType joinType)
Query	join(Query subquery, JoinType joinType, String prefix)
Query	join(Query subquery, List<String> on)
Query	join(Query subquery, List<String> on, JoinType joinType)
Query	join(Query subquery, List<String> on, JoinType joinType, String prefix)
Query	join(Query subquery, List<String> leftOn, List<String> rightOn)
Query	join(Query subquery, List<String> leftOn, List<String> rightOn, JoinType joinType)
Query	join(Query subquery, List<String> leftOn, List<String> rightOn, JoinType joinType, String prefix)
Query	join(Query subquery, List<String> leftOn, List<String> rightOn, String prefix)
Query	join(Query subquery, String prefix)
Query	joinFeatures(Query subquery, List<Feature> on)
Query	joinFeatures(Query subquery, List<Feature> on, JoinType joinType)
Query	joinFeatures(Query subquery, List<Feature> on, JoinType joinType, String prefix)
Query	joinFeatures(Query subquery, List<Feature> leftOn, List<Feature> rightOn)
Query	joinFeatures(Query subquery, List<Feature> leftOn, List<Feature> rightOn, JoinType joinType)
Query	joinFeatures(Query subquery, List<Feature> leftOn, List<Feature> rightOn, JoinType joinType, String prefix)
Query	joinFeatures(Query subquery, List<Feature> leftOn, List<Feature> rightOn, String prefix)
Query	joinFeatures(Query subquery, List<Feature> on, String prefix)
Query	pullChanges(String wallclockStartTime, String wallclockEndTime) Deprecated. use asOf(wallclockEndTime, wallclockStartTime) instead
Object	read()
Object	read(boolean online)
Object	read(boolean online, Map<String,String> readOptions)
void	setFilter(FilterLogic filter)
void	setHiveEngine(Boolean hiveEngine)
void	setJoins(List<Join> joins)
void	setLeftFeatureGroup(FeatureGroupBase leftFeatureGroup)
void	setLeftFeatureGroupEndTime(Long leftFeatureGroupEndTime)
void	setLeftFeatureGroupStartTime(Long leftFeatureGroupStartTime)
void	setLeftFeatures(List<Feature> leftFeatures)
void	show(boolean online, int numRows)
void	show(int numRows)
String	sql()
String	sql(Storage storage)

Methods inherited from class java.lang.Object

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

Constructor Detail

Query

public Query(FeatureGroupBase leftFeatureGroup,
             List<Feature> leftFeatures)

Query

public Query()

Method Detail

join

public Query join(Query subquery)

join

public Query join(Query subquery,
                  String prefix)

join

public Query join(Query subquery,
                  List<String> on)

join

public Query join(Query subquery,
                  List<String> leftOn,
                  List<String> rightOn)

join

public Query join(Query subquery,
                  List<String> leftOn,
                  List<String> rightOn,
                  String prefix)

join

public Query join(Query subquery,
                  JoinType joinType)

join

public Query join(Query subquery,
                  JoinType joinType,
                  String prefix)

join

public Query join(Query subquery,
                  List<String> on,
                  JoinType joinType)

join

public Query join(Query subquery,
                  List<String> on,
                  JoinType joinType,
                  String prefix)

join

public Query join(Query subquery,
                  List<String> leftOn,
                  List<String> rightOn,
                  JoinType joinType)

join

public Query join(Query subquery,
                  List<String> leftOn,
                  List<String> rightOn,
                  JoinType joinType,
                  String prefix)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> on)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> on,
                          String prefix)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> leftOn,
                          List<Feature> rightOn)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> leftOn,
                          List<Feature> rightOn,
                          String prefix)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> on,
                          JoinType joinType)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> on,
                          JoinType joinType,
                          String prefix)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> leftOn,
                          List<Feature> rightOn,
                          JoinType joinType)

joinFeatures

public Query joinFeatures(Query subquery,
                          List<Feature> leftOn,
                          List<Feature> rightOn,
                          JoinType joinType,
                          String prefix)

asOf

public Query asOf(String wallclockTime)
           throws FeatureStoreException,
                  ParseException

Perform time travel on the given Query. This method returns a new Query object at the specified point in time. This can then either be read into a Dataframe or used further to perform joins or construct a training dataset.

Parameters:

wallclockTime - point in time

Returns:

Query

Throws:

FeatureStoreException - FeatureStoreException

ParseException - ParseException

asOf

public Query asOf(String wallclockTime,
                  String excludeUntil)
           throws FeatureStoreException,
                  ParseException

Perform time travel on the given Query. This method returns a new Query object at the specified point in time. This can then either be read into a Dataframe or used further to perform joins or construct a training dataset.

Parameters:

wallclockTime - point in time

excludeUntil - point in time

Returns:

Query

Throws:

FeatureStoreException - FeatureStoreException

ParseException - ParseException

pullChanges

public Query pullChanges(String wallclockStartTime,
                         String wallclockEndTime)
                  throws FeatureStoreException,
                         ParseException

Deprecated. use asOf(wallclockEndTime, wallclockStartTime) instead

Reads changes that occurred between specified points in time.

Parameters:

wallclockStartTime - start date.

wallclockEndTime - end date.

Returns:

Query

Throws:

FeatureStoreException - FeatureStoreException

ParseException - ParseException

read

public Object read()
            throws FeatureStoreException,
                   IOException

Throws:

FeatureStoreException

IOException

read

public Object read(boolean online)
            throws FeatureStoreException,
                   IOException

Throws:

FeatureStoreException

IOException

read

public Object read(boolean online,
                   Map<String,String> readOptions)
            throws FeatureStoreException,
                   IOException

Throws:

FeatureStoreException

IOException

show

public void show(int numRows)
          throws FeatureStoreException,
                 IOException

Throws:

FeatureStoreException

IOException

show

public void show(boolean online,
                 int numRows)
          throws FeatureStoreException,
                 IOException

Throws:

FeatureStoreException

IOException

sql

public String sql()

sql

public String sql(Storage storage)

filter

public Query filter(Filter filter)

filter

public Query filter(FilterLogic filter)

appendFeature

public Query appendFeature(Feature feature)

isTimeTravel

public boolean isTimeTravel()

getLeftFeatureGroup

public FeatureGroupBase getLeftFeatureGroup()

setLeftFeatureGroup

public void setLeftFeatureGroup(FeatureGroupBase leftFeatureGroup)

getLeftFeatures

public List<Feature> getLeftFeatures()

setLeftFeatures

public void setLeftFeatures(List<Feature> leftFeatures)

getLeftFeatureGroupStartTime

public Long getLeftFeatureGroupStartTime()

setLeftFeatureGroupStartTime

public void setLeftFeatureGroupStartTime(Long leftFeatureGroupStartTime)

getLeftFeatureGroupEndTime

public Long getLeftFeatureGroupEndTime()

setLeftFeatureGroupEndTime

public void setLeftFeatureGroupEndTime(Long leftFeatureGroupEndTime)

getJoins

public List<Join> getJoins()

setJoins

public void setJoins(List<Join> joins)

getFilter

public FilterLogic getFilter()

setFilter

public void setFilter(FilterLogic filter)

getHiveEngine

public Boolean getHiveEngine()

setHiveEngine

public void setHiveEngine(Boolean hiveEngine)