edu.illinois.cs.cogcomp.edison.features.helpers

Class GazetteerTree

java.lang.Object

edu.illinois.cs.cogcomp.edison.features.helpers.GazetteerTree

public class GazetteerTree
extends Object

this is a class optimized to match an expression that may be a word or a phrase. It is a THashSet on the outside, but every match entry is an object that may indicate a match, or may require additional matches down the tree.

Author:

redman

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	GazetteerTree.StringSplitterInterface instances of this interface can be passed in to control how strings are split.

Constructor Summary

Constructors

Constructor and Description
GazetteerTree(int phrase_length) Initialize the tree, data will be read via a separate call.
GazetteerTree(int phrase_length, GazetteerTree.StringSplitterInterface splitr) Initialize the tree, data will be read via a separate call.

Method Summary

Modifier and Type	Method and Description
void	match(List<Constituent> words, int which, SpanLabelView view)
void	readDictionary(String filename, String suffix, InputStream res) read the given dictionary file from the input stream.
String	toString() to string prints a representation of every string contained in the gazetteer.
void	trimToSize() trim off excess size dead space.

Methods inherited from class java.lang.Object

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

Constructor Detail

GazetteerTree

public GazetteerTree(int phrase_length)

Initialize the tree, data will be read via a separate call.

Parameters:

phrase_length - the max number of terms to match per phrase.

GazetteerTree

public GazetteerTree(int phrase_length,
                     GazetteerTree.StringSplitterInterface splitr)

Initialize the tree, data will be read via a separate call.

Parameters:

phrase_length - the max number of terms to match per phrase.

splitr - this interface implementation will determin how we split strings.

Method Detail

readDictionary

public void readDictionary(String filename,
                           String suffix,
                           InputStream res)
                    throws IOException

read the given dictionary file from the input stream.

Parameters:

filename - the file nae.

suffix - the parse tag suffix.

res - the input stream to read the data from.

Throws:

IOException

match

public final void match(List<Constituent> words,
                        int which,
                        SpanLabelView view)

Parameters:

word - the token to match.

which - the index of the token.

trimToSize

public final void trimToSize()

trim off excess size dead space.

toString

public String toString()

to string prints a representation of every string contained in the gazetteer.

Overrides:

toString in class Object

Returns:

a string representation of the gazetteer.