/** Create the system variable (input and output) section of the snippet. */
private String createFieldsSection() {
StringBuilder out = new StringBuilder();
out.append(
" private val env: ExecutionEnvironment = ExecutionEnvironment.getExecutionEnvironment\n");
if (this.m_settings != null && this.m_settings.getParameters().size() > 0) {
out.append(" // Parsed input parameters; all parameters have been initialized\n");
for (Parameter parameter : this.m_settings.getParameters()) {
String scalaType = TypeToScalaType.get(parameter.getType());
if (parameter.isOptional())
out.append(
String.format(
" private var %s: Option[%s] = None\n", parameter.getName(), scalaType));
else
out.append(
String.format(
" private var %s: %s = null.asInstanceOf[%2$s]\n",
parameter.getName(), scalaType));
}
}
return out.toString();
}
/** Create the system variable (input and output) section of the snippet. */
private String createMainSection() {
StringBuilder out = new StringBuilder();
out.append(" def main(args: Array[String]) {\n");
out.append(" // Generated parameter extraction\n");
if (this.m_settings != null && this.m_settings.getParameters().size() > 0) {
List<Parameter> parameters = this.m_settings.getParameters();
for (int index = 0; index < parameters.size(); index++) {
String argSelector = String.format("args(%d)", index);
Parameter parameter = parameters.get(index);
String parser = String.format(TypeParserPattern.get(parameter.getType()), argSelector);
if (parameter.isOptional())
out.append(
String.format(
" if(args.length > %d && args(%1$d) != \"\")\n %s = Option(%s)\n",
index, parameter.getName(), parser));
else out.append(String.format(" %s = %s\n", parameter.getName(), parser));
}
}
out.append(" performTask\n");
out.append(" }");
return out.toString();
}
public void addParameter(final Parameter outVar) {
this.model.addRow(new Object[] {outVar.getName(), outVar.getType(), outVar.isOptional()});
}