com.bigdata.btree

Class ViewStatistics

java.lang.Object

com.bigdata.btree.ViewStatistics

public class ViewStatistics
extends Object

Helper class collects some statistics about an ILocalBTreeView.

Version:

$Id$

Author:

Bryan Thompson

Field Summary

Fields

Modifier and Type	Field and Description
int	sourceCount The #of journals and index segments in the view.
int	sourceJournalCount The #of journals in the view.
int	sourceSegmentCount The #of index segments in the view.
long	sumSegBytes The sum of the size on disk across the index segments in the view.

Constructor Summary

Constructors

Constructor and Description
ViewStatistics(ILocalBTreeView view) Collects some statistics about the view.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

sourceCount

public final int sourceCount

The #of journals and index segments in the view.

sourceJournalCount

public final int sourceJournalCount

The #of journals in the view.

sourceSegmentCount

public final int sourceSegmentCount

The #of index segments in the view.

sumSegBytes

public final long sumSegBytes

The sum of the size on disk across the index segments in the view.

Constructor Detail

ViewStatistics

public ViewStatistics(ILocalBTreeView view)

Collects some statistics about the view.

Note: If the view is assembled solely from the BTree on a journal rather than from all sources in its LocalPartitionMetadata then statistics about any IndexSegments in the view WILL NOT be reported.

Parameters:

view - The view.