Package org.pentaho.di.core.util

Class StringEvaluator

java.lang.Object

org.pentaho.di.core.util.StringEvaluator

public class StringEvaluator
extends Object

This class evaluates strings and extracts a data type. It allows you to criteria after which the analysis should be completed.

Author:

matt

Field Summary

Fields

Modifier and Type	Field	Description
protected static Pattern	PRECISION_PATTERN

Constructor Summary

Constructors

Constructor	Description
StringEvaluator()
StringEvaluator(boolean tryTrimming)
StringEvaluator(boolean tryTrimming, String[] numberFormats, String[] dateFormats)
StringEvaluator(boolean tryTrimming, String[] numberFormats, String[] dateFormats, boolean autoScaling)
StringEvaluator(boolean tryTrimming, List<String> numberFormats, List<String> dateFormats)

Method Summary

Modifier and Type	Method	Description
protected static int	determinePrecision(String numericFormat)
void	evaluateString(String value)
StringEvaluationResult	getAdvicedResult()
int	getCount()
String[]	getDateFormats()
int	getMaxLength()
String[]	getNumberFormats()
List<StringEvaluationResult>	getStringEvaluationResults()	PDI-7736: Only list of successful evaluations returned.
Set<String>	getValues()

Methods inherited from class java.lang.Object

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

Field Detail

PRECISION_PATTERN

protected static final Pattern PRECISION_PATTERN

Constructor Detail

StringEvaluator

public StringEvaluator()

StringEvaluator

public StringEvaluator(boolean tryTrimming)

StringEvaluator

public StringEvaluator(boolean tryTrimming,
                       List<String> numberFormats,
                       List<String> dateFormats)

StringEvaluator

public StringEvaluator(boolean tryTrimming,
                       String[] numberFormats,
                       String[] dateFormats)

StringEvaluator

public StringEvaluator(boolean tryTrimming,
                       String[] numberFormats,
                       String[] dateFormats,
                       boolean autoScaling)

Method Detail

evaluateString

public void evaluateString(String value)

getAdvicedResult

public StringEvaluationResult getAdvicedResult()

getDateFormats

public String[] getDateFormats()

getNumberFormats

public String[] getNumberFormats()

determinePrecision

protected static int determinePrecision(String numericFormat)

getValues

public Set<String> getValues()

Returns:

The distinct set of string values

getStringEvaluationResults

public List<StringEvaluationResult> getStringEvaluationResults()

PDI-7736: Only list of successful evaluations returned.

Returns:

The list of string evaluation results

getCount

public int getCount()

Returns:

the number of values analyzed

getMaxLength

public int getMaxLength()

Returns:

The maximum string length encountered