org.tribuo.data.sql

Class ResultSetIterator

java.lang.Object

com.oracle.labs.mlrg.olcut.util.IOSpliterator<ColumnarIterator.Row>

org.tribuo.data.columnar.ColumnarIterator

org.tribuo.data.sql.ResultSetIterator

All Implemented Interfaces:

Iterator<ColumnarIterator.Row>, Spliterator<ColumnarIterator.Row>

public class ResultSetIterator
extends ColumnarIterator

An iterator over a ResultSet returned from JDBC.

Nested Class Summary

Nested classes/interfaces inherited from class org.tribuo.data.columnar.ColumnarIterator

ColumnarIterator.Row

Nested classes/interfaces inherited from interface java.util.Spliterator

Spliterator.OfDouble, Spliterator.OfInt, Spliterator.OfLong, Spliterator.OfPrimitive<T,T_CONS,T_SPLITR extends Spliterator.OfPrimitive<T,T_CONS,T_SPLITR>>

Field Summary

Fields inherited from class org.tribuo.data.columnar.ColumnarIterator

currentRow, fields

Fields inherited from class com.oracle.labs.mlrg.olcut.util.IOSpliterator

DEFAULT_BATCH_SIZE, DEFAULT_CHARACTERISTICS

Fields inherited from interface java.util.Spliterator

CONCURRENT, DISTINCT, IMMUTABLE, NONNULL, ORDERED, SIZED, SORTED, SUBSIZED

Constructor Summary

Constructors

Constructor and Description
ResultSetIterator(ResultSet rs)
ResultSetIterator(ResultSet rs, int fetchSize)

Method Summary

Modifier and Type	Method and Description
protected Optional<ColumnarIterator.Row>	getRow() Returns the next row of data based on internal state stored by the implementor, or Optional.empty() if there is no more data.

Methods inherited from class org.tribuo.data.columnar.ColumnarIterator

forEachRemaining, getFields, hasNext, next, tryAdvance

Methods inherited from class com.oracle.labs.mlrg.olcut.util.IOSpliterator

characteristics, estimateSize, trySplit

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

remove

Methods inherited from interface java.util.Spliterator

getComparator, getExactSizeIfKnown, hasCharacteristics

Constructor Detail

ResultSetIterator

public ResultSetIterator(ResultSet rs)
                  throws SQLException

Throws:

SQLException

ResultSetIterator

public ResultSetIterator(ResultSet rs,
                         int fetchSize)
                  throws SQLException

Throws:

SQLException

Method Detail

getRow

protected Optional<ColumnarIterator.Row> getRow()

Description copied from class: ColumnarIterator

Returns the next row of data based on internal state stored by the implementor, or Optional.empty() if there is no more data.

Specified by:

getRow in class ColumnarIterator

Returns:

The next row of data or None.