Package adams.core.io.filechanged

Class FlowFileDigest

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.core.io.filechanged.AbstractFileChangeMonitor

adams.core.io.filechanged.AbstractMessageDigestBasedMonitor

adams.core.io.filechanged.FlowFileDigest

All Implemented Interfaces:

Destroyable, GlobalInfoSupporter, FileChangeMonitor, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, SizeOfHandler, Serializable

public class FlowFileDigest
extends AbstractMessageDigestBasedMonitor

Generates a message digest for a flow file and uses that for comparison. Skips the comments at the start.

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields inherited from class adams.core.io.filechanged.AbstractMessageDigestBasedMonitor

m_Digest, m_Type

Fields inherited from class adams.core.io.filechanged.AbstractFileChangeMonitor

m_File, m_Initialized

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
FlowFileDigest()

Method Summary

Modifier and Type	Method	Description
protected String	computeDigest(File file, MessageCollection errors)	Generates the message digest, if possible.
String	globalInfo()	Returns a string describing the object.

Methods inherited from class adams.core.io.filechanged.AbstractMessageDigestBasedMonitor

checkChange, defineOptions, doInitialize, doUpdate, getQuickInfo, getType, reset, setType, typeTipText

Methods inherited from class adams.core.io.filechanged.AbstractFileChangeMonitor

checkFile, getMonitoredFile, hasChanged, initialize, isInitialized, update

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Constructor Detail

FlowFileDigest

public FlowFileDigest()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface GlobalInfoSupporter

Specified by:

globalInfo in class AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

computeDigest

protected String computeDigest(File file,
                               MessageCollection errors)

Generates the message digest, if possible.

Specified by:

computeDigest in class AbstractMessageDigestBasedMonitor

Parameters:

file - the file to generate the digest for

errors - for collecting any errors

Returns:

the digest