Package org.apache.calcite.avatica.util

Class MapIteratorCursor

java.lang.Object

org.apache.calcite.avatica.util.AbstractCursor

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

org.apache.calcite.avatica.util.IteratorCursor<java.util.Map<java.lang.String,java.lang.Object>>

org.apache.calcite.avatica.util.MapIteratorCursor

All Implemented Interfaces:

java.lang.AutoCloseable, Cursor

public class MapIteratorCursor
extends IteratorCursor<java.util.Map<java.lang.String,java.lang.Object>>

Implementation of Cursor on top of an Iterator that returns a Map for each row.

The Map contains (field, value) pairs.

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.String>	fieldNames

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

wasNull

Constructor Summary

Constructors

Constructor	Description
MapIteratorCursor(java.util.Iterator<java.util.Map<java.lang.String,java.lang.Object>> iterator, java.util.List<java.lang.String> fieldNames)	Creates a MapIteratorCursor.

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

fieldNames

private final java.util.List<java.lang.String> fieldNames

Constructor Detail

MapIteratorCursor

public MapIteratorCursor(java.util.Iterator<java.util.Map<java.lang.String,java.lang.Object>> iterator,
                         java.util.List<java.lang.String> fieldNames)

Creates a MapIteratorCursor.

Parameters:

iterator - Iterator

fieldNames - Field names to project

Method Detail

createGetter

protected AbstractCursor.Getter createGetter(int ordinal)

Specified by:

createGetter in class AbstractCursor