use of org.drools.javaparser.ast.expr.VariableDeclarationExpr in project drools by kiegroup.
the class ModelGenerator method addVariable.
private static void addVariable(KnowledgeBuilderImpl kbuilder, BlockStmt ruleBlock, DeclarationSpec decl) {
if (decl.getDeclarationClass() == null) {
kbuilder.addBuilderResult(new UnknownDeclarationError(decl.getBindingId()));
return;
}
Type declType = classToReferenceType(decl.getDeclarationClass());
ClassOrInterfaceType varType = JavaParser.parseClassOrInterfaceType(Variable.class.getCanonicalName());
varType.setTypeArguments(declType);
VariableDeclarationExpr var_ = new VariableDeclarationExpr(varType, toVar(decl.getBindingId()), Modifier.FINAL);
MethodCallExpr declarationOfCall = new MethodCallExpr(null, DECLARATION_OF_CALL);
declarationOfCall.addArgument(new ClassExpr(decl.getType()));
declarationOfCall.addArgument(new StringLiteralExpr(decl.getVariableName().orElse(decl.getBindingId())));
decl.getDeclarationSource().ifPresent(declarationOfCall::addArgument);
decl.getEntryPoint().ifPresent(ep -> {
MethodCallExpr entryPointCall = new MethodCallExpr(null, "entryPoint");
entryPointCall.addArgument(new StringLiteralExpr(ep));
declarationOfCall.addArgument(entryPointCall);
});
for (BehaviorDescr behaviorDescr : decl.getBehaviors()) {
MethodCallExpr windowCall = new MethodCallExpr(null, "window");
if (Behavior.BehaviorType.TIME_WINDOW.matches(behaviorDescr.getSubType())) {
windowCall.addArgument("Window.Type.TIME");
windowCall.addArgument("" + TimeUtils.parseTimeString(behaviorDescr.getParameters().get(0)));
}
if (Behavior.BehaviorType.LENGTH_WINDOW.matches(behaviorDescr.getSubType())) {
windowCall.addArgument("Window.Type.LENGTH");
windowCall.addArgument("" + Integer.valueOf(behaviorDescr.getParameters().get(0)));
}
declarationOfCall.addArgument(windowCall);
}
AssignExpr var_assign = new AssignExpr(var_, declarationOfCall, AssignExpr.Operator.ASSIGN);
ruleBlock.addStatement(var_assign);
}
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