com.screenscraper.profiling

Class ProfileUtil

java.lang.Object

com.screenscraper.profiling.ProfileUtil

public class ProfileUtil
extends java.lang.Object

No Description User: Mike Date: 1/13/12 Time: 1:25 PM

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.log4j.Logger	LOGGER Used for logging.

Method Summary

Modifier and Type	Method and Description
protected static java.lang.String	convertBytesToString(long bytes) Converts a number of bytes to a prettier format
static java.lang.String	getExtractorPatternName(TrackedObject trackedObject) Attempts to traverse up the object reference tree to determine which extractor pattern parents the given object
static java.lang.String	getProbableError(ObjectMemoryProfiler profiler, java.lang.Object rootObject) Returns a message indicating the possible cause of excessive memory use, using a specified profiler and object
protected static java.lang.String	getScrapeableFileName(TrackedObject trackedObject) Gets the name of the scrapeable file this object is related to, or the empty string if no scrapeable file could be found
protected static java.lang.String	getScrapingSessionName(TrackedObject trackedObject) Attempts to get the name of the scraping session related to the tracked object
static java.lang.String	getScriptName(TrackedObject trackedObject) Attempts to traverse up the object reference tree to determine which script parents the given object

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.apache.log4j.Logger LOGGER

Used for logging.

Method Detail

getProbableError

@Nullable
public static java.lang.String getProbableError(@NotNull
                                                           ObjectMemoryProfiler profiler,
                                                           java.lang.Object rootObject)

Returns a message indicating the possible cause of excessive memory use, using a specified profiler and object

Parameters:

profiler - The profiler to use to build a profile of the object given

rootObject - The object to profile for memory use

Returns:

A string containing possible causes of memory leaks

getScrapingSessionName

protected static java.lang.String getScrapingSessionName(@NotNull
                                                         TrackedObject trackedObject)

Attempts to get the name of the scraping session related to the tracked object

Parameters:

trackedObject - The object with a relation to the session

Returns:

The name of the scraping session from which this object descends, or the empty string if it couldn't be determined

getScrapeableFileName

protected static java.lang.String getScrapeableFileName(@NotNull
                                                        TrackedObject trackedObject)

Gets the name of the scrapeable file this object is related to, or the empty string if no scrapeable file could be found

Parameters:

trackedObject - The object that is related to the scrapeable file

Returns:

The name of the scrapeable file, or the empty string if no parent scrapeable file was found

getExtractorPatternName

public static java.lang.String getExtractorPatternName(@NotNull
                                                       TrackedObject trackedObject)

Attempts to traverse up the object reference tree to determine which extractor pattern parents the given object

Parameters:

trackedObject - The object to get an extractor for

Returns:

The name of the extractor pattern, or the empty string if none was found

getScriptName

public static java.lang.String getScriptName(@NotNull
                                             TrackedObject trackedObject)

Attempts to traverse up the object reference tree to determine which script parents the given object

Parameters:

trackedObject - The object to get anscript for

Returns:

The name of the script, or the empty string if none was found

convertBytesToString

@NotNull
protected static java.lang.String convertBytesToString(long bytes)

Converts a number of bytes to a prettier format

Parameters:

bytes - The number of bytes

Returns:

The prettier format, as a string