uk.gov.gchq.gaffer.parquetstore.operation.handler.utilities

Class ExtractKeyFromRow

java.lang.Object

uk.gov.gchq.gaffer.parquetstore.operation.handler.utilities.ExtractKeyFromRow

All Implemented Interfaces:

Serializable, org.apache.spark.api.java.function.Function<org.apache.spark.sql.Row,scala.collection.Seq<Object>>

public class ExtractKeyFromRow
extends Object
implements org.apache.spark.api.java.function.Function<org.apache.spark.sql.Row,scala.collection.Seq<Object>>

This class is used to extract the key from each Row using the set of groupBy column names.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ExtractKeyFromRow(Set<String> groupByColumns, Map<String,String[]> columnToPaths, boolean isEntity, boolean isReversed)

Method Summary

Modifier and Type	Method and Description
scala.collection.Seq<Object>	call(org.apache.spark.sql.Row row)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtractKeyFromRow

public ExtractKeyFromRow(Set<String> groupByColumns,
                         Map<String,String[]> columnToPaths,
                         boolean isEntity,
                         boolean isReversed)

Method Detail

call

public scala.collection.Seq<Object> call(org.apache.spark.sql.Row row)

Specified by:

call in interface org.apache.spark.api.java.function.Function<org.apache.spark.sql.Row,scala.collection.Seq<Object>>