public static FunctionDecl getFunctionDecl(Function function) throws AsterixException {
String functionBody = function.getFunctionBody();
List<String> params = function.getParams();
List<VarIdentifier> varIdentifiers = new ArrayList<VarIdentifier>();
StringBuilder builder = new StringBuilder();
builder.append(" use dataverse " + function.getDataverseName() + ";");
builder.append(" declare function " + function.getName().split("@")[0]);
builder.append("(");
for (String param : params) {
VarIdentifier varId = new VarIdentifier(param);
varIdentifiers.add(varId);
builder.append(param);
builder.append(",");
}
if (params.size() > 0) {
builder.delete(builder.length() - 1, builder.length());
}
builder.append(")");
builder.append("{");
builder.append("\n");
builder.append(functionBody);
builder.append("\n");
builder.append("}");
AQLParser parser = new AQLParser(new StringReader(new String(builder)));
List<Statement> statements = parser.parse();
FunctionDecl decl = (FunctionDecl) statements.get(1);
return decl;
}
public static void executeAQL(String aql) throws Exception {
AQLParser parser = new AQLParser(new StringReader(aql));
List<Statement> statements;
statements = parser.Statement();
SessionConfig pc = new SessionConfig(out, OutputFormat.ADM);
AqlTranslator translator = new AqlTranslator(statements, pc);
translator.compileAndExecute(
AsterixAppContextInfo.getInstance().getHcc(), null, AqlTranslator.ResultDelivery.SYNC);
}