net.openhft.chronicle.queue.reader

Class ChronicleHistoryReader

java.lang.Object

net.openhft.chronicle.queue.reader.ChronicleHistoryReader

All Implemented Interfaces:

Closeable, AutoCloseable, HistoryReader

public class ChronicleHistoryReader
extends Object
implements HistoryReader, Closeable

Field Summary

Fields

Modifier and Type	Field and Description
protected Path	basePath
protected long	counter
protected long	firstTimeStampNanos
protected Map<String,net.openhft.chronicle.core.util.Histogram>	histos
protected boolean	histosByMethod
protected Supplier<net.openhft.chronicle.core.util.Histogram>	histoSupplier
protected long	ignore
protected int	lastHistosSize
protected long	lastWindowCount
protected long	measurementWindowNanos
protected Consumer<String>	messageSink
protected boolean	progress
static String	SEPARATOR
protected Long	startIndex
protected int	summaryOutputOffset
protected ExcerptTailer	tailer
protected TimeUnit	timeUnit

Constructor Summary

Constructors

Constructor and Description
ChronicleHistoryReader()

Method Summary

Modifier and Type	Method and Description
void	close()
protected @NotNull ChronicleQueue	createQueue()
void	execute()
protected @NotNull net.openhft.chronicle.core.util.Histogram	histogram()
protected @NotNull String	methodIdToName(long methodId)
void	outputData()
protected net.openhft.chronicle.wire.WireParselet	parselet()
protected void	processMessage(CharSequence methodName, net.openhft.chronicle.wire.MessageHistory history)
Map<String,net.openhft.chronicle.core.util.Histogram>	readChronicle() Read until the end of the queue, accumulating latency histograms.
protected void	windowPassed()
ChronicleHistoryReader	withBasePath(Path path)
ChronicleHistoryReader	withHistosByMethod(boolean b)
ChronicleHistoryReader	withHistoSupplier(Supplier<net.openhft.chronicle.core.util.Histogram> histoSupplier)
ChronicleHistoryReader	withIgnore(long ignore)
ChronicleHistoryReader	withMeasurementWindow(long measurementWindow)
ChronicleHistoryReader	withMessageSink(Consumer<String> messageSink)
ChronicleHistoryReader	withProgress(boolean p)
ChronicleHistoryReader	withStartIndex(long startIndex) set the index to start at
ChronicleHistoryReader	withSummaryOutput(int offset)
ChronicleHistoryReader	withTimeUnit(TimeUnit p)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.openhft.chronicle.queue.reader.HistoryReader

create, create

Field Detail

SEPARATOR

public static final String SEPARATOR

See Also:

Constant Field Values

basePath

protected Path basePath

messageSink

protected Consumer<String> messageSink

progress

protected boolean progress

timeUnit

protected TimeUnit timeUnit

histosByMethod

protected boolean histosByMethod

histos

protected Map<String,net.openhft.chronicle.core.util.Histogram> histos

ignore

protected long ignore

counter

protected long counter

measurementWindowNanos

protected long measurementWindowNanos

firstTimeStampNanos

protected long firstTimeStampNanos

lastWindowCount

protected long lastWindowCount

summaryOutputOffset

protected int summaryOutputOffset

startIndex

protected Long startIndex

histoSupplier

protected Supplier<net.openhft.chronicle.core.util.Histogram> histoSupplier

lastHistosSize

protected int lastHistosSize

tailer

protected ExcerptTailer tailer

Constructor Detail

ChronicleHistoryReader

public ChronicleHistoryReader()

Method Detail

withMessageSink

public ChronicleHistoryReader withMessageSink(Consumer<String> messageSink)

Specified by:

withMessageSink in interface HistoryReader

withBasePath

public ChronicleHistoryReader withBasePath(Path path)

Specified by:

withBasePath in interface HistoryReader

withProgress

public ChronicleHistoryReader withProgress(boolean p)

Specified by:

withProgress in interface HistoryReader

withTimeUnit

public ChronicleHistoryReader withTimeUnit(TimeUnit p)

Specified by:

withTimeUnit in interface HistoryReader

withHistosByMethod

public ChronicleHistoryReader withHistosByMethod(boolean b)

Specified by:

withHistosByMethod in interface HistoryReader

withIgnore

public ChronicleHistoryReader withIgnore(long ignore)

Specified by:

withIgnore in interface HistoryReader

withMeasurementWindow

public ChronicleHistoryReader withMeasurementWindow(long measurementWindow)

Specified by:

withMeasurementWindow in interface HistoryReader

withSummaryOutput

public ChronicleHistoryReader withSummaryOutput(int offset)

Specified by:

withSummaryOutput in interface HistoryReader

withStartIndex

public ChronicleHistoryReader withStartIndex(long startIndex)

Description copied from interface: HistoryReader

set the index to start at

Specified by:

withStartIndex in interface HistoryReader

Parameters:

startIndex - start index

Returns:

this

withHistoSupplier

public ChronicleHistoryReader withHistoSupplier(Supplier<net.openhft.chronicle.core.util.Histogram> histoSupplier)

Specified by:

withHistoSupplier in interface HistoryReader

createQueue

@NotNull
protected @NotNull ChronicleQueue createQueue()

execute

public void execute()

Specified by:

execute in interface HistoryReader

readChronicle

public Map<String,net.openhft.chronicle.core.util.Histogram> readChronicle()

Description copied from interface: HistoryReader

Read until the end of the queue, accumulating latency histograms. Can be called repeatedly and will start where last finished

Specified by:

readChronicle in interface HistoryReader

Returns:

histograms

methodIdToName

@NotNull
protected @NotNull String methodIdToName(long methodId)

outputData

public void outputData()

Specified by:

outputData in interface HistoryReader

parselet

protected net.openhft.chronicle.wire.WireParselet parselet()

processMessage

protected void processMessage(CharSequence methodName,
                              net.openhft.chronicle.wire.MessageHistory history)

windowPassed

protected void windowPassed()

histogram

@NotNull
protected @NotNull net.openhft.chronicle.core.util.Histogram histogram()

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable