From f2be77ccae455563e167607ee7527abbf8d96e60 Mon Sep 17 00:00:00 2001
From: "trevor.cohn" <trevor.cohn@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Thu, 8 Jul 2010 21:46:05 +0000
Subject: New context constraints.

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@190 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 .../prjava/src/phrase/Lexicon.java                 | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 gi/posterior-regularisation/prjava/src/phrase/Lexicon.java

(limited to 'gi/posterior-regularisation/prjava/src/phrase/Lexicon.java')

diff --git a/gi/posterior-regularisation/prjava/src/phrase/Lexicon.java b/gi/posterior-regularisation/prjava/src/phrase/Lexicon.java
new file mode 100644
index 00000000..a386e4a3
--- /dev/null
+++ b/gi/posterior-regularisation/prjava/src/phrase/Lexicon.java
@@ -0,0 +1,34 @@
+package phrase;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class Lexicon<T>
+{
+	public int insert(T word)
+	{
+		Integer i = wordToIndex.get(word);
+		if (i == null)
+		{
+			i = indexToWord.size();
+			wordToIndex.put(word, i);
+			indexToWord.add(word);
+		}
+		return i;
+	}
+
+	public T lookup(int index)
+	{
+		return indexToWord.get(index);
+	}
+
+	public int size()
+	{
+		return indexToWord.size();
+	}
+
+	private Map<T, Integer> wordToIndex = new HashMap<T, Integer>();
+	private List<T> indexToWord = new ArrayList<T>();
+}
\ No newline at end of file
-- 
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