Package org.apache.calcite.avatica.util

Class RecordIteratorCursor<E>

java.lang.Object

org.apache.calcite.avatica.util.AbstractCursor

org.apache.calcite.avatica.util.PositionedCursor<E>

org.apache.calcite.avatica.util.IteratorCursor<E>

org.apache.calcite.avatica.util.RecordIteratorCursor<E>

Type Parameters:

E - Element type

All Implemented Interfaces:

java.lang.AutoCloseable, Cursor

public class RecordIteratorCursor<E>
extends IteratorCursor<E>

Implementation of Cursor on top of an Iterator that returns a record for each row. The record is a synthetic class whose fields are all public.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.avatica.util.PositionedCursor

PositionedCursor.ArrayGetter, PositionedCursor.FieldGetter, PositionedCursor.ListGetter, PositionedCursor.MapGetter<K>, PositionedCursor.ObjectGetter

Nested classes/interfaces inherited from class org.apache.calcite.avatica.util.AbstractCursor

AbstractCursor.AbstractGetter, AbstractCursor.AccessorImpl, AbstractCursor.ArrayAccessor, AbstractCursor.Getter, AbstractCursor.NumberAccessor, AbstractCursor.SlotGetter, AbstractCursor.StructGetter

Nested classes/interfaces inherited from interface org.apache.calcite.avatica.util.Cursor

Cursor.Accessor

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List<java.lang.reflect.Field>	fields

Fields inherited from class org.apache.calcite.avatica.util.AbstractCursor

wasNull

Constructor Summary

Constructors

Constructor	Description
RecordIteratorCursor(java.util.Iterator<E> iterator, java.lang.Class<E> clazz)	Creates a RecordIteratorCursor.
RecordIteratorCursor(java.util.Iterator<E> iterator, java.lang.Class<E> clazz, java.util.List<java.lang.reflect.Field> fields)	Creates a RecordIteratorCursor that projects particular fields.

Method Summary

Modifier and Type	Method	Description
protected AbstractCursor.Getter	createGetter(int ordinal)

Methods inherited from class org.apache.calcite.avatica.util.IteratorCursor

close, current, next

Methods inherited from class org.apache.calcite.avatica.util.AbstractCursor

createAccessor, createAccessor, createAccessors, intToTime, longToTimestamp, wasNull

Methods inherited from class java.lang.Object

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

Field Detail

fields

private final java.util.List<java.lang.reflect.Field> fields

Constructor Detail

RecordIteratorCursor

public RecordIteratorCursor(java.util.Iterator<E> iterator,
                            java.lang.Class<E> clazz)

Creates a RecordIteratorCursor.

Parameters:

iterator - Iterator

clazz - Element type

RecordIteratorCursor

public RecordIteratorCursor(java.util.Iterator<E> iterator,
                            java.lang.Class<E> clazz,
                            java.util.List<java.lang.reflect.Field> fields)

Creates a RecordIteratorCursor that projects particular fields.

Parameters:

iterator - Iterator

clazz - Element type

fields - Fields to project

Method Detail

createGetter

protected AbstractCursor.Getter createGetter(int ordinal)

Specified by:

createGetter in class AbstractCursor