@Override
public void evaluate(IFunctionHelper functionHelper) throws Exception {
list.clear();
JRecord inputRecord = (JRecord) functionHelper.getArgument(0);
JString id = (JString) inputRecord.getValueByName("id");
JString text = (JString) inputRecord.getValueByName("text");
String[] tokens = text.getValue().split(" ");
for (String tk : tokens) {
if (tk.startsWith("#")) {
JString newField = (JString) functionHelper.getObject(JTypeTag.STRING);
newField.setValue(tk);
list.add(newField);
}
}
JRecord result = (JRecord) functionHelper.getResultObject();
result.setField("id", id);
result.setField("username", inputRecord.getValueByName("username"));
result.setField("location", inputRecord.getValueByName("location"));
result.setField("text", text);
result.setField("timestamp", inputRecord.getValueByName("timestamp"));
result.setField("topics", list);
functionHelper.setResult(result);
}
@Override
public void initialize(IFunctionHelper functionHelper) {
list = new JUnorderedList(functionHelper.getObject(JTypeTag.STRING));
}