org.apache.ignite.internal.processors.diagnostic

Class PageHistoryDiagnoster

java.lang.Object

org.apache.ignite.internal.processors.diagnostic.PageHistoryDiagnoster

public class PageHistoryDiagnoster
extends Object

Diagnostic WAL page history.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PageHistoryDiagnoster.DiagnosticPageBuilder Parameters for diagnostic pages.

Field Summary

Fields

Modifier and Type	Field and Description
protected GridKernalContext	ctx Kernal context.
protected IgniteLogger	log Diagnostic logger.

Constructor Summary

Constructors

Constructor and Description
PageHistoryDiagnoster(GridKernalContext ctx, BiFunction<File,DiagnosticProcessor.DiagnosticFileWriteMode,File> supplier)

Method Summary

Modifier and Type	Method and Description
void	dumpPageHistory(PageHistoryDiagnoster.DiagnosticPageBuilder builder) Dump all history caches of given page.
void	onStart() Do action on start.

Methods inherited from class java.lang.Object

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

Field Detail

ctx

@GridToStringExclude
protected final GridKernalContext ctx

Kernal context.

log

@GridToStringExclude
protected final IgniteLogger log

Diagnostic logger.

Constructor Detail

PageHistoryDiagnoster

public PageHistoryDiagnoster(GridKernalContext ctx,
                             BiFunction<File,DiagnosticProcessor.DiagnosticFileWriteMode,File> supplier)

Parameters:

ctx - Kernal context.

supplier - Function to provide target end file to store diagnostic info.

Method Detail

onStart

public void onStart()

Do action on start.

dumpPageHistory

public void dumpPageHistory(@NotNull
                            PageHistoryDiagnoster.DiagnosticPageBuilder builder)
                     throws IgniteCheckedException

Dump all history caches of given page.

Parameters:

builder - Parameters of dumping.

Throws:

IgniteCheckedException - If scanning was failed.