Examples of com.orientechnologies.orient.core.sql.methods.OSQLMethodRuntime

      for (int i = 1; i < parts.size(); ++i) {
        final String part = parts.get(i);


        final int pindex = part.indexOf('(');
        if (part.charAt(0) == '[')
          operationsChain.add(new OPair<OSQLMethodRuntime, Object[]>(new OSQLMethodRuntime(OSQLEngine
              .getMethod(OSQLMethodMultiValue.NAME)), new Object[] { part }));
        else if (pindex > -1) {
          final String methodName = part.substring(0, pindex).trim().toLowerCase(Locale.ENGLISH);


          OSQLMethod method = OSQLEngine.getMethod(methodName);
          final Object[] arguments;
          if (method != null) {
            if (method.getMaxParams() == -1 || method.getMaxParams() > 0) {
              arguments = OStringSerializerHelper.getParameters(part).toArray();
              if (arguments.length < method.getMinParams()
                  || (method.getMaxParams() > -1 && arguments.length > method.getMaxParams()))
                throw new OQueryParsingException(iQueryToParse.parserText, "Syntax error: field operator '"
                    + method.getName()
                    + "' needs "
                    + (method.getMinParams() == method.getMaxParams() ? method.getMinParams() : method.getMinParams() + "-"
                        + method.getMaxParams()) + " argument(s) while has been received " + arguments.length, 0);
            } else
              arguments = null;


          } else {
            // LOOK FOR FUNCTION
            final OSQLFunction f = OSQLEngine.getInstance().getFunction(methodName);


            if (f == null)
              // ERROR: METHOD/FUNCTION NOT FOUND OR MISPELLED
              throw new OQueryParsingException(iQueryToParse.parserText,
                  "Syntax error: function or field operator not recognized between the supported ones: "
                      + OSQLEngine.getMethodNames(), 0);


            if (f.getMaxParams() == -1 || f.getMaxParams() > 0) {
              arguments = OStringSerializerHelper.getParameters(part).toArray();
              if (arguments.length + 1 < f.getMinParams() || (f.getMaxParams() > -1 && arguments.length + 1 > f.getMaxParams()))
                throw new OQueryParsingException(iQueryToParse.parserText, "Syntax error: function '" + f.getName() + "' needs "
                    + (f.getMinParams() == f.getMaxParams() ? f.getMinParams() : f.getMinParams() + "-" + f.getMaxParams())
                    + " argument(s) while has been received " + arguments.length, 0);
            } else
              arguments = null;


            method = new OSQLMethodFunctionDelegate(f);
          }


          final OSQLMethodRuntime runtimeMethod = new OSQLMethodRuntime(method);


          // SPECIAL OPERATION FOUND: ADD IT IN TO THE CHAIN
          operationsChain.add(new OPair<OSQLMethodRuntime, Object[]>(runtimeMethod, arguments));


        } else {
          operationsChain.add(new OPair<OSQLMethodRuntime, Object[]>(new OSQLMethodRuntime(OSQLEngine
              .getMethod(OSQLMethodField.NAME)), new Object[] { part }));
        }
      }
    }
  }

  protected abstract void setRoot(OBaseParser iQueryToParse, final String iRoot);


  public Object transformValue(final OIdentifiable iRecord, final OCommandContext iContext, Object ioResult) {
    if (ioResult != null && operationsChain != null) {
      // APPLY OPERATIONS FOLLOWING THE STACK ORDER
      OSQLMethodRuntime method = null;


      for (OPair<OSQLMethodRuntime, Object[]> op : operationsChain) {
        method = op.getKey();


        // DON'T PASS THE CURRENT RECORD TO FORCE EVALUATING TEMPORARY RESULT
        method.setParameters(op.getValue(), true);


        ioResult = method.execute(ioResult, iRecord, ioResult, iContext);
      }
    }


    return ioResult;
  }

Examples of com.orientechnologies.orient.core.sql.methods.OSQLMethodRuntime

Related Classes of com.orientechnologies.orient.core.sql.methods.OSQLMethodRuntime