public DocumentIndexWriter(TupleFlowParameters parameters)
throws FileNotFoundException, IOException {
Parameters p = new Parameters();
p.add("isCompressed", "true");
writer = new IndexWriter(parameters.getXML().get("filename"), p);
documentsWritten = parameters.getCounter("Documents Written");
}
public StructuredRetrieval(StructuredIndex index, Parameters factoryParameters) {
this.index = index;
Parameters featureParameters = factoryParameters.clone();
featureParameters.add("collectionLength", Long.toString(index.getCollectionLength()));
featureParameters.add("documentCount", Long.toString(index.getDocumentCount()));
featureFactory = new FeatureFactory(featureParameters);
}
public Node(String operator, String argument, ArrayList<Node> internalNodes, int position) {
Parameters p = new Parameters();
if (argument != null) {
p.add("default", argument);
}
this.operator = operator;
this.internalNodes = internalNodes;
this.position = position;
this.parameters = p;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append('#');
builder.append(operator);
if (parameters.containsKey("default")) {
String value = parameters.get("default");
builder.append(':');
builder.append(escapeAsNecessary(value));
}
Map<String, List<Value>> parameterMap = parameters.value().map();
if (parameterMap != null) {
for (String key : parameterMap.keySet()) {
if (key.equals("default")) {
continue;
}
String value = parameterMap.get(key).get(0).toString();
builder.append(':');
builder.append(escapeAsNecessary(key));
builder.append('=');
builder.append(escapeAsNecessary(value));
}
}
if (internalNodes.size() == 0) {
builder.append("()");
} else {
builder.append("( ");
for (Node child : internalNodes) {
builder.append(child.toString());
builder.append(' ');
}
builder.append(")");
}
return builder.toString();
}
public String getDefaultParameter(String key) {
return parameters.get(key, getDefaultParameter());
}
public String getDefaultParameter() {
return parameters.get("default", (String) null);
}
public ScaleIterator(Parameters parameters, ScoreIterator iterator)
throws IllegalArgumentException {
this.iterator = iterator;
weight = parameters.get("weight", 1.0);
}