org.HdrHistogram

Class HistogramLogScanner

java.lang.Object

org.HdrHistogram.HistogramLogScanner

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class HistogramLogScanner
extends java.lang.Object
implements java.io.Closeable

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and Description
private HistogramLogScanner.LazyHistogramReader	lazyReader
protected java.util.Scanner	scanner

Constructor Summary

Constructors

Modifier	Constructor and Description
	HistogramLogScanner(java.io.File inputFile) Constructs a new HistogramLogReader that produces intervals read from the specified file.
	HistogramLogScanner(java.io.InputStream inputStream) Constructs a new HistogramLogReader that produces intervals read from the specified InputStream.
private	HistogramLogScanner(java.util.Scanner scanner)
	HistogramLogScanner(java.lang.String inputFileName) Constructs a new HistogramLogReader that produces intervals read from the specified file name.

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

lazyReader

private final HistogramLogScanner.LazyHistogramReader lazyReader

scanner

protected final java.util.Scanner scanner

Constructor Detail

HistogramLogScanner

public HistogramLogScanner(java.lang.String inputFileName)
                    throws java.io.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:

java.io.FileNotFoundException - when unable to find inputFileName

HistogramLogScanner

public HistogramLogScanner(java.io.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(java.io.File inputFile)
                    throws java.io.FileNotFoundException

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

Parameters:

inputFile - The File to read from

Throws:

java.io.FileNotFoundException - when unable to find inputFile

HistogramLogScanner

private HistogramLogScanner(java.util.Scanner scanner)

Method Detail

initScanner

private void initScanner()

close

public void close()

Close underlying scanner.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

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