private Rule(RuleScript ruleScript, ClassLoader loader, HelperManager helperManager) throws ParseException, TypeException, CompileException { ParseNode ruleTree; this.ruleScript = ruleScript; this.helperClass = null; this.loader = loader; typeGroup = new TypeGroup(loader); bindings = new Bindings(); checked = false; triggerClass = null; triggerMethod = null; triggerDescriptor = null; triggerAccess = 0; returnType = null; accessibleFields = null; accessibleMethods = null; // this is only set when the rule is created via a real installed transformer this.helperManager = helperManager; ECAGrammarParser parser = null; try { String file = getFile(); ECATokenLexer lexer = new ECATokenLexer(new StringReader(ruleScript.getRuleText())); lexer.setStartLine(getLine()); lexer.setFile(file); parser = new ECAGrammarParser(lexer); parser.setFile(file); Symbol parse = (debugParse ? parser.debug_parse() : parser.parse()); if (parser.getErrorCount() != 0) { String message = "rule " + ruleScript.getName(); message += parser.getErrors(); throw new ParseException(message); } ruleTree = (ParseNode) parse.value; } catch (ParseException pe) { throw pe; } catch (Throwable th) { String message = "rule " + ruleScript.getName(); if (parser != null && parser.getErrorCount() != 0) { message += parser.getErrors(); } message += "\n" + th.getMessage(); throw new ParseException(message); } ParseNode eventTree = (ParseNode) ruleTree.getChild(0); ParseNode conditionTree = (ParseNode) ruleTree.getChild(1); ParseNode actionTree = (ParseNode) ruleTree.getChild(2); event = Event.create(this, eventTree); condition = Condition.create(this, conditionTree); action = Action.create(this, actionTree); key = null; }
public void setCondition(String conditionSpec) throws ParseException, TypeException { if (event != null & condition == null) { condition = Condition.create(this, conditionSpec); } }