Simon Brooke
e59f160f70
for doing without. Reinitialising, history lost. And this time push to remote!
61 lines
1.6 KiB
Java
61 lines
1.6 KiB
Java
/*
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* Proprietary unpublished source code property of
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* Simon Brooke <simon@journeyman.cc>.
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*
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* Copyright (c) 2013 Simon Brooke <simon@journeyman.cc>
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*/
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package cc.journeyman.milkwood;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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/**
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*
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* @author Simon Brooke <simon@journeyman.cc>
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*/
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public class TupleDictionary extends HashMap<String, Collection<WordSequence>> {
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private static final long serialVersionUID = 1L;
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/**
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* Specialisation: if there isn't an existing entry, create one.
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*
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* @param token the token to look up
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* @return the collection of possible tuples for that token.
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*/
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public Collection<WordSequence> get(String token) {
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Collection<WordSequence> result = super.get(token);
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if (result == null) {
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result = new ArrayList<WordSequence>();
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this.put(token, result);
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}
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return result;
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}
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/**
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* Add a new, empty sequence to my entry for this token.
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* @param token the token
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* @return the new sequence which was added.
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*/
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protected WordSequence addSequence(String token) {
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return this.addSequence(token, new WordSequence());
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}
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/**
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* Add this sequence to my entry for this token.
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* @param token the token.
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* @param sequence the sequence to add. Must not be null!
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* @return the sequence which was added.
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*/
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protected WordSequence addSequence(String token, WordSequence sequence) {
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assert (sequence != null) : "invalid sequence argument";
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this.get(token).add(sequence);
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return sequence;
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}
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}
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