org.neo4j.io.pagecache.tracing

Interface PinEvent

public interface PinEvent

Begin pinning a page.

Field Summary

Fields

Modifier and Type	Field and Description
static PinEvent	NULL A PinEvent that does nothing other than return the PageFaultEvent.NULL.

Method Summary

Methods

Modifier and Type	Method and Description
PageFaultEvent	beginPageFault() The page we want to pin is not in memory, so being a page fault to load it in.
void	done() The pinning has completed and the page is now unpinned.
void	setCachePageId(int cachePageId) The id of the cache page that holds the file page we pinned.

Field Detail

NULL

static final PinEvent NULL

A PinEvent that does nothing other than return the PageFaultEvent.NULL.

Method Detail

setCachePageId

void setCachePageId(int cachePageId)

The id of the cache page that holds the file page we pinned.

beginPageFault

PageFaultEvent beginPageFault()

The page we want to pin is not in memory, so being a page fault to load it in.

done

void done()

The pinning has completed and the page is now unpinned.