org.itc.irst.tcc.ties.bwi
Class PatternTable

java.lang.Object
  org.itc.irst.tcc.ties.bwi.PatternTable

public class PatternTable

extends java.lang.Object

A PatternTable object maps Patterns to Affixes for a fast retrivial. Any non-null Affix can be put into the table.

Since:

1.0

Version:

%I%, %G%

Author:

Claudio Giuliano

See Also:

Pattern, Affix

Field Summary

(package private) static org.apache.log4j.Logger	logger Define a static logger variable so that it references the Logger instance named PatternTable.
private java.util.HashMap	patternTable The hashtable containing the affixes.

Constructor Summary

PatternTable()
Constructs an empty PatternTable.

Method Summary

boolean	containsPattern(Pattern pattern)
java.util.Set	entrySet() Returns an enumeration of the patterns in this table.
Affix	get(Pattern pattern)
java.util.Set	keySet() Returns an enumeration of the patterns in this table.
static void	main(java.lang.String[] args)
void	put(Affix affix) Maps the specified pattern to the specified Affix in this table.
private void	put(Pattern pattern, Affix affix) Maps the specified pattern to the specified Affix in this table.
int	size() Returns the number of pattern in this table.
java.lang.String	toString() Returns a String object representing this PatternTable.
java.util.Collection	values() Returns an enumeration of the patterns in this table.

Methods inherited from class java.lang.Object

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

Field Detail

logger

static org.apache.log4j.Logger logger

Define a static logger variable so that it references the Logger instance named PatternTable.

patternTable

private java.util.HashMap patternTable

The hashtable containing the affixes. The tags are the keys and the list of examples are the values.

Constructor Detail

PatternTable

public PatternTable()

Constructs an empty PatternTable.

Method Detail

put

public void put(Affix affix)

Maps the specified pattern to the specified Affix in this table. Neither the key nor the value can be null.

Parameters:

affix - the position into the text.

put

private void put(Pattern pattern,
                 Affix affix)

Maps the specified pattern to the specified Affix in this table. Neither the key nor the value can be null.

Parameters:

pattern - the pattern.

affix - the position into the text.

get

public Affix get(Pattern pattern)

containsPattern

public boolean containsPattern(Pattern pattern)

entrySet

public java.util.Set entrySet()

Returns an enumeration of the patterns in this table.

Returns:

an enumeration of the patterns in this table.

keySet

public java.util.Set keySet()

Returns an enumeration of the patterns in this table.

Returns:

an enumeration of the patterns in this table.

size

public int size()

Returns the number of pattern in this table.

Returns:

the number of pattern in this table.

values

public java.util.Collection values()

Returns an enumeration of the patterns in this table.

Returns:

an enumeration of the patterns in this table.

toString

public java.lang.String toString()

Returns a String object representing this PatternTable.

Returns:

a string representation of the object.

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception