net.sf.adatagenerator.util
Class StringFrequencyFile

java.lang.Object
  net.sf.adatagenerator.util.StringFrequencyFile

All Implemented Interfaces:

FrequencyBasedListFactory<String>

public class StringFrequencyFile
extends Object
implements FrequencyBasedListFactory<String>

Initializes a frequency based list of String values by reading the relative frequency of the values from a csv text file of values and counts; e.g.

 string1, 21
 string2, 432
 ...
 

Author:

rphall

Field Summary

static String

NULL_VALUE_MARKER

Constructor Summary

StringFrequencyFile(ClassLoader cl, String fqrn)

Method Summary

FrequencyBasedList<String>	createFrequencyBasedList()
ClassLoader	getClassLoader()
String	getFullyQualifiedResourceName()
Comparator<String>	getListComparator() The comparator used to compare elements in the lists created by this factory.

Methods inherited from class java.lang.Object

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

Field Detail

NULL_VALUE_MARKER

public static final String NULL_VALUE_MARKER

See Also:

Constant Field Values

Constructor Detail

StringFrequencyFile

public StringFrequencyFile(ClassLoader cl,
                           String fqrn)

Parameters:

fqrn - a fully qualified resource name for the file from which frequency-weighted data should be loaded.

classLoader - a non-null class loader that will create an input stream from the specified resource file

Method Detail

getFullyQualifiedResourceName

public String getFullyQualifiedResourceName()

getClassLoader

public ClassLoader getClassLoader()

getListComparator

public Comparator<String> getListComparator()

Description copied from interface: FrequencyBasedListFactory

The comparator used to compare elements in the lists created by this factory. May be null, if elements are compared by their natural comparator.

Specified by:

getListComparator in interface FrequencyBasedListFactory<String>

See Also:

FrequencyBasedList.getValueComparator()

createFrequencyBasedList

public FrequencyBasedList<String> createFrequencyBasedList()
                                                    throws CreationException

Specified by:

createFrequencyBasedList in interface FrequencyBasedListFactory<String>

Throws:

CreationException