/**
* FIXME: to be dropped.
*
* <p>Read out a view configuration setting.
*
* <p>Compare to client-side counterpart: function get_view_config() in webclient.js
*
* @param configTypeUri The type URI of the configuration topic, e.g. "dm4.webclient.view_config"
* @param settingUri The setting URI, e.g. "dm4.webclient.icon"
* @return The setting value, or <code>null</code> if there is no such setting
*/
public Object getSetting(String configTypeUri, String settingUri) {
TopicModel configTopic = getConfigTopic(configTypeUri);
if (configTopic == null) {
return null;
}
CompositeValue comp = configTopic.getCompositeValue();
return comp.has(settingUri) ? comp.get(settingUri) : null;
}
public void toJSON(JSONObject configurable) {
try {
List viewConfigTopics = new ArrayList();
for (TopicModel configTopic : getConfigTopics()) {
viewConfigTopics.add(configTopic.toJSON());
}
configurable.put("view_config_topics", viewConfigTopics);
} catch (Exception e) {
throw new RuntimeException("Serialization failed (" + this + ")", e);
}
}
public boolean addSetting(String configTypeUri, String settingUri, Object value) {
boolean configTopicCreated = false;
// create config topic if not exists
TopicModel configTopic = getConfigTopic(configTypeUri);
if (configTopic == null) {
configTopic = new TopicModel(configTypeUri);
addConfigTopic(configTopic);
configTopicCreated = true;
}
// make setting
configTopic.getCompositeValue().put(settingUri, value);
//
return configTopicCreated;
}
@Test
public void nullTest() throws Exception {
TextCorpus corpus = new TextCorpus();
corpus.add("foo bar baz classify me test");
corpus.add("foo baz baz2 classify me test");
corpus.add("somefoo baz baz2 classify me test waz maz zaz");
TopicModel model = new TopicModel("foo");
model.update(corpus);
for (String doc : corpus.getDocs()) {
// int topic = model.getMaxLikelihoodTopic(doc);
System.out.println((model.getMaxLikelihoodTopic(doc)).toString());
}
}
@Override
public CompositeValueModel clone() {
CompositeValueModel clone = new CompositeValueModel();
for (String childTypeUri : this) {
Object value = get(childTypeUri);
if (value instanceof TopicModel) {
TopicModel model = (TopicModel) value;
clone.put(childTypeUri, model.clone());
} else if (value instanceof List) {
for (TopicModel model : (List<TopicModel>) value) {
clone.add(childTypeUri, model.clone());
}
} else {
throw new RuntimeException("Unexpected value in a CompositeValueModel: " + value);
}
}
return clone;
}
public void updateConfigTopic(TopicModel configTopic) {
String configTypeUri = configTopic.getTypeUri();
// error check
TopicModel existing = getConfigTopic(configTypeUri);
if (existing == null) {
throw new RuntimeException(
"There is no configuration topic of type \"" + configTypeUri + "\"");
}
//
viewConfig.put(configTypeUri, configTopic);
}
/** Print the model. */
public void printModel(String outputDirectory) {
try {
String domain = model.param.domain;
printModelParameters(model.param, outputDirectory + domain + modelParamSuffix);
printTopicWordAssignment(model.z, model.corpus, outputDirectory + domain + tassignSuffix);
printDocumentTopicDistribution(
model.getDocumentTopicDistrbution(), outputDirectory + domain + documentTopicDistSuff);
printTopicWordDistribution(
model.getTopicWordDistribution(), outputDirectory + domain + topicWordDistSuff);
ArrayList<ArrayList<ItemWithValue>> topWordsUnderTopics =
model.getTopWordStrsWithProbabilitiesUnderTopics(model.param.twords);
printTopWordsUnderTopics(topWordsUnderTopics, outputDirectory + domain + twordsSuffix);
printDocs(model.corpus.docs, outputDirectory + domain + docsSuffix);
printVocabulary(model.corpus.vocab, outputDirectory + domain + vocabSuffix);
// For knowledge-based topic models only.
model.printKnowledge(outputDirectory + domain + knowledgeSuffix);
} catch (Exception ex) {
System.out.println("Error while printing the topic model: " + ex.getMessage());
ex.printStackTrace();
}
}
private void initializeModel() {
TopicModel topicModel =
new TopicModel(
numTopics,
numTerms,
eta,
alpha,
RandomUtils.getRandom(),
terms,
numUpdatingThreads,
initialModelCorpusFraction == 0 ? 1 : initialModelCorpusFraction * totalCorpusWeight);
topicModel.setConf(getConf());
TopicModel updatedModel =
initialModelCorpusFraction == 0
? new TopicModel(numTopics, numTerms, eta, alpha, null, terms, numUpdatingThreads, 1)
: topicModel;
updatedModel.setConf(getConf());
docTopicCounts = new DenseMatrix(numDocuments, numTopics);
docTopicCounts.assign(1.0 / numTopics);
modelTrainer =
new ModelTrainer(topicModel, updatedModel, numTrainingThreads, numTopics, numTerms);
}
/**
* Convenience accessor for the *composite* value of a single-valued child. Returns a default
* value if the child doesn't exist.
*/
public CompositeValueModel getCompositeValueModel(
String childTypeUri, CompositeValueModel defaultValue) {
TopicModel topic = getTopic(childTypeUri, null);
return topic != null ? topic.getCompositeValueModel() : defaultValue;
}
/**
* Convenience accessor for the *simple* value of a single-valued child. Returns a default value
* if the child doesn't exist.
*/
public Object getObject(String childTypeUri, Object defaultValue) {
TopicModel topic = getTopic(childTypeUri, null);
return topic != null ? topic.getSimpleValue().value() : defaultValue;
}
/**
* Convenience accessor for the *simple* value of a single-valued child. Returns a default value
* if the child doesn't exist.
*/
public boolean getBoolean(String childTypeUri, boolean defaultValue) {
TopicModel topic = getTopic(childTypeUri, null);
return topic != null ? topic.getSimpleValue().booleanValue() : defaultValue;
}
/**
* Convenience accessor for the *simple* value of a single-valued child. Returns a default value
* if the child doesn't exist.
*/
public double getDouble(String childTypeUri, double defaultValue) {
TopicModel topic = getTopic(childTypeUri, null);
return topic != null ? topic.getSimpleValue().doubleValue() : defaultValue;
}
/**
* Convenience accessor for the *simple* value of a single-valued child. Returns a default value
* if the child doesn't exist.
*/
public long getLong(String childTypeUri, long defaultValue) {
TopicModel topic = getTopic(childTypeUri, null);
return topic != null ? topic.getSimpleValue().longValue() : defaultValue;
}
/**
* Convenience accessor for the *simple* value of a single-valued child. Returns a default value
* if the child doesn't exist.
*/
public int getInt(String childTypeUri, int defaultValue) {
TopicModel topic = getTopic(childTypeUri, null);
return topic != null ? topic.getSimpleValue().intValue() : defaultValue;
}
