Package org.HdrHistogram

Class HistogramLogScanner

java.lang.Object

org.HdrHistogram.HistogramLogScanner

All Implemented Interfaces:

Closeable, AutoCloseable

public class HistogramLogScanner
extends Object
implements Closeable

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	HistogramLogScanner.EncodableHistogramSupplier
static interface	HistogramLogScanner.EventHandler	Handles log events, return true to stop processing.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Scanner	scanner

Constructor Summary

Constructors

Constructor	Description
HistogramLogScanner(File inputFile)	Constructs a new HistogramLogReader that produces intervals read from the specified file.
HistogramLogScanner(InputStream inputStream)	Constructs a new HistogramLogReader that produces intervals read from the specified InputStream.
HistogramLogScanner(String inputFileName)	Constructs a new HistogramLogReader that produces intervals read from the specified file name.

Method Summary

Modifier and Type	Method	Description
void	close()	Close underlying scanner.
boolean	hasNextLine()	Indicates whether or not additional intervals may exist in the log
void	process(HistogramLogScanner.EventHandler handler)

Methods inherited from class java.lang.Object

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

Field Details

scanner

protected final Scanner scanner

Constructor Details

HistogramLogScanner

public HistogramLogScanner(String inputFileName)
                    throws FileNotFoundException

Constructs a new HistogramLogReader that produces intervals read from the specified file name.

Parameters:

inputFileName - The name of the file to read from

Throws:

FileNotFoundException - when unable to find inputFileName

HistogramLogScanner

public HistogramLogScanner(InputStream inputStream)

Constructs a new HistogramLogReader that produces intervals read from the specified InputStream. Note that log readers constructed through this constructor do not assume ownership of stream and will not close it on close().

Parameters:

inputStream - The InputStream to read from

HistogramLogScanner

public HistogramLogScanner(File inputFile)
                    throws FileNotFoundException

Constructs a new HistogramLogReader that produces intervals read from the specified file.

Parameters:

inputFile - The File to read from

Throws:

FileNotFoundException - when unable to find inputFile

Method Details

close

public void close()

Close underlying scanner.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

process

public void process(HistogramLogScanner.EventHandler handler)

hasNextLine

public boolean hasNextLine()

Indicates whether or not additional intervals may exist in the log

Returns:

true if additional intervals may exist in the log