org.apache.hadoop.hbase.coprocessor.example

Class DelegatingInternalScanner

java.lang.Object

org.apache.hadoop.hbase.coprocessor.example.DelegatingInternalScanner

All Implemented Interfaces:

Closeable, AutoCloseable, InternalScanner

@InterfaceAudience.Private
public class DelegatingInternalScanner
extends Object
implements InternalScanner

A simple delegation for doing filtering on InternalScanner.

Field Summary

Fields

Modifier and Type	Field and Description
protected InternalScanner	scanner

Constructor Summary

Constructors

Constructor and Description
DelegatingInternalScanner(InternalScanner scanner)

Method Summary

Modifier and Type	Method and Description
void	close() Closes the scanner and releases any resources it has allocated
boolean	next(List<Cell> result, ScannerContext scannerContext) Grab the next row's worth of values.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.regionserver.InternalScanner

next

Field Detail

scanner

protected final InternalScanner scanner

Constructor Detail

DelegatingInternalScanner

public DelegatingInternalScanner(InternalScanner scanner)

Method Detail

next

public boolean next(List<Cell> result,
                    ScannerContext scannerContext)
             throws IOException

Description copied from interface: InternalScanner

Grab the next row's worth of values.

Specified by:

next in interface InternalScanner

Parameters:

result - return output array

Returns:

true if more rows exist after this one, false if scanner is done

Throws:

IOException - e

close

public void close()
           throws IOException

Description copied from interface: InternalScanner

Closes the scanner and releases any resources it has allocated

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface InternalScanner

Throws:

IOException