Package de.iip_ecosphere.platform.services.environment.testing

Class DataRecorder

java.lang.Object

de.iip_ecosphere.platform.services.environment.testing.DataRecorder

public class DataRecorder
extends Object

A simple, customizable data recorder for testing.

Author:

Holger Eichelberger, SSE

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	emitChannel
private Function<Object,String>	formatter
static final Function<Object,String>	JSON_FORMATTER
private PrintStream	out

Constructor Summary

Constructors

Constructor	Description
DataRecorder(File file, Function<Object,String> formatter)	Creates an instance.
DataRecorder(String file, Function<Object,String> formatter)	Creates an instance.

Method Summary

Modifier and Type	Method	Description
void	close()	Closes this recorder.
void	emitChannel(boolean emitChannel)	Shall channel information be emitted.
void	record(String channel, Object object)	Records an object.

Methods inherited from class java.lang.Object

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

Field Details

JSON_FORMATTER

public static final Function<Object,String> JSON_FORMATTER

formatter

private Function<Object,String> formatter

out

private PrintStream out

emitChannel

private boolean emitChannel

Constructor Details

DataRecorder

public DataRecorder(String file,
 Function<Object,String> formatter)

Creates an instance.

Parameters:

file - the file to write to; if file is not writable, we will fall back to stdout

formatter - the formatter for data passed in by record(String, Object). If null, data will be emitted via Object.toString().

DataRecorder

public DataRecorder(File file,
 Function<Object,String> formatter)

Creates an instance.

Parameters:

file - the file to write to; if file is not writable, we will fall back to stdout

formatter - the formatter for data passed in by record(String, Object). If null, data will be emitted via Object.toString().

Method Details

emitChannel

public void emitChannel(boolean emitChannel)

Shall channel information be emitted.

Parameters:

emitChannel - true for emit channel information, false else

record

public void record(String channel,
 Object object)

Records an object.

Parameters:

channel - the output channel (may be empty or null for none)

object - the object to be recorded

close

public void close()

Closes this recorder.