org.apache.calcite.interpreter

Class Interpreter.EnumeratorSource

java.lang.Object

org.apache.calcite.interpreter.Interpreter.EnumeratorSource

All Implemented Interfaces:

AutoCloseable, Source

Enclosing class:

Interpreter

private static class Interpreter.EnumeratorSource
extends Object
implements Source

A Source that is just backed by an Enumerator. The Enumerator is closed when it is finished or by calling close().

Field Summary

Fields

Modifier and Type	Field and Description
private Enumerator<Row>	enumerator

Constructor Summary

Constructors

Constructor and Description
EnumeratorSource(Enumerator<Row> enumerator)

Method Summary

Modifier and Type	Method and Description
void	close()
Row	receive() Reads a row.

Methods inherited from class java.lang.Object

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

Field Detail

enumerator

private final Enumerator<Row> enumerator

Constructor Detail

EnumeratorSource

EnumeratorSource(Enumerator<Row> enumerator)

Method Detail

receive

public Row receive()

Description copied from interface: Source

Reads a row. Null means end of data.

Specified by:

receive in interface Source

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Source