com.hankcs.hanlp.corpus.dictionary

Class TFDictionary

java.lang.Object

com.hankcs.hanlp.corpus.dictionary.SimpleDictionary<TermFrequency>

com.hankcs.hanlp.corpus.dictionary.TFDictionary

All Implemented Interfaces:

ISaveAble

public class TFDictionary
extends SimpleDictionary<TermFrequency>
implements ISaveAble

词频词典

Author:

hankcs

Nested Class Summary

Nested classes/interfaces inherited from class com.hankcs.hanlp.corpus.dictionary.SimpleDictionary

SimpleDictionary.Filter<V>

Constructor Summary

Constructors

Constructor and Description
TFDictionary()
TFDictionary(String delimeter)

Method Summary

Modifier and Type	Method and Description
void	add(String key)
static int	combine(String... path) 合并多个词典
int	combine(TFDictionary dictionary, int limit, boolean add) 合并自己（主词典）和某个词频词典
int	getFrequency(String key) 获取频次
protected Map.Entry<String,TermFrequency>	onGenerateEntry(String line) 由参数构造一个词条
boolean	saveKeyTo(String path) 仅仅将值保存到文件
boolean	saveTxtTo(String path) 将自己以文本文档的方式保存到磁盘
TreeSet<TermFrequency>	values() 按照频率从高到低排序的条目

Methods inherited from class com.hankcs.hanlp.corpus.dictionary.SimpleDictionary

add, combine, entrySet, get, keySet, load, remove, size

Methods inherited from class java.lang.Object

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

Constructor Detail

TFDictionary

public TFDictionary(String delimeter)

TFDictionary

public TFDictionary()

Method Detail

onGenerateEntry

protected Map.Entry<String,TermFrequency> onGenerateEntry(String line)

Description copied from class: SimpleDictionary

由参数构造一个词条

Specified by:

onGenerateEntry in class SimpleDictionary<TermFrequency>

Returns:

combine

public int combine(TFDictionary dictionary,
                   int limit,
                   boolean add)

合并自己（主词典）和某个词频词典

Parameters:

dictionary - 某个词频词典

limit - 如果该词频词典试图引入一个词语，其词频不得超过此limit（如果不需要使用limit功能，可以传入Integer.MAX_VALUE）

add - 设为true则是词频叠加模式，否则是词频覆盖模式

Returns:

词条的增量

combine

public static int combine(String... path)

合并多个词典

Parameters:

path - 多个词典的路径，第一个是主词典。主词典与其他词典的区别详见com.hankcs.hanlp.corpus.dictionary.TFDictionary#combine(com.hankcs.hanlp.corpus.dictionary.TFDictionary, int, boolean)

Returns:

词条的增量

getFrequency

public int getFrequency(String key)

获取频次

Parameters:

key -

Returns:

add

public void add(String key)

saveTxtTo

public boolean saveTxtTo(String path)

Description copied from interface: ISaveAble

将自己以文本文档的方式保存到磁盘

Specified by:

saveTxtTo in interface ISaveAble

Parameters:

path - 保存位置，包含文件名，不一定包含后缀

Returns:

是否成功

saveKeyTo

public boolean saveKeyTo(String path)

仅仅将值保存到文件

Parameters:

path -

Returns:

values

public TreeSet<TermFrequency> values()

按照频率从高到低排序的条目

Returns: