Package adams.core

Interface ErrorProvider

All Known Subinterfaces:

ChunkedSpreadSheetReader, InitialRowSkippingSpreadSheetReader, MissingValueSpreadSheetReader, MultiSheetSpreadSheetReader<T>, NoHeaderSpreadSheetReader, SpreadSheetReader, WindowedSpreadSheetReader

All Known Implementing Classes:

AbstractColumnStatistic, AbstractDoubleArrayColumnStatistic, AbstractDoubleArrayRowStatistic, AbstractExcelSpreadSheetReader, AbstractMatrixStatistic, AbstractMetaRowScore, AbstractMultiSheetSpreadSheetReader, AbstractMultiSheetSpreadSheetReaderWithMissingValueSupport, AbstractNumericOutlierDetector, AbstractOutlierDetector, AbstractPlotProcessor, AbstractPlotProcessorWithBuffer, AbstractRowScore, AbstractRowStatistic, AbstractScriptingEngine, AbstractSpreadSheetReader, AbstractSpreadSheetReaderWithMissingValueSupport, AbstractWekaSpreadSheetReader, AccessSpreadSheetReader, AggregateEvaluations, ArffSpreadSheetReader, ArrayStatistic, ArrayStatistic, ArrayStatistic, AutoWidthTabularSpreadSheetReader, ColumnSubset, CsvSpreadSheetReader, DistanceFromConstant, Distinct, Distinct, EqualWidthBins, ExcelSpreadSheetReader, ExcelStreamingSpreadSheetReader, Expression, FastCsvSpreadSheetReader, FixedTabularSpreadSheetReader, GnumericSpreadSheetReader, IQR, IQR, IQR, JSONSpreadSheetReader, LabelCounts, LabelCounts, LibSVMSpreadSheetReader, LOWESS, Mat5SpreadSheetReader, MathExpression, MatlabSpreadSheetReader, Max, Max, Max, Mean, Mean, Mean, MeanAbsoluteError, Median, Median, Median, Min, Min, Min, Missing, Missing, Missing, MultiColumnStatistic, MultiMatrixStatistic, MultiOutlierDetector, MultiRowScore, MultiRowStatistic, NonMissing, Null, ODFSpreadSheetReader, PassThrough, Percentile, Percentile, PNGSpreadSheetReader, PropertiesSpreadSheetReader, RowStatistic, SavitzkyGolay, SAXDistanceFromBaseline, ScriptingEngine, SignalToNoiseRatio, SignalToNoiseRatio, SimpleArffSpreadSheetReader, SimpleCsvSpreadSheetReader, SimpleSavitzkyGolay, SimpleStreamSpreadSheetReader, SqlDumpSpreadSheetReader, StandardDeviation, StandardDeviation, StandardDeviation, StdDev, Sum, Sum, SVMLightSpreadSheetReader, TsvSpreadSheetReader, Unique, Unique, XrffSpreadSheetReader

public interface ErrorProvider

Interface for classes that record error messages.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

Method Summary

Modifier and Type	Method	Description
String	getLastError()	Returns the error that occurred during the last operation.
boolean	hasLastError()	Returns whether an error was encountered during the last operation.

Method Detail

hasLastError

boolean hasLastError()

Returns whether an error was encountered during the last operation.

Returns:

true if an error occurred

getLastError

String getLastError()

Returns the error that occurred during the last operation.

Returns:

the error string, null if none occurred