Examples with JCodeModel com.sun.codemodel.JCodeModel used on opensource projects

Example 76 with JCodeModel

use of com.sun.codemodel.JCodeModel in project scout.rt by eclipse.

the class HandlerArtifactProcessor method createAndPersistHandlerDelegate.

/**
 * Generates the entry point for a handler.
 */
public String createAndPersistHandlerDelegate(final JClass portTypeEntryPoint, final EntryPointDefinition entryPointDefinition, final HandlerDefinition handler, final int idx, final ProcessingEnvironment env) throws IOException, JClassAlreadyExistsException {
    final JCodeModel model = new JCodeModel();
    final String fullName = entryPointDefinition.getEntryPointQualifiedName() + "_" + handler.getHandlerSimpleName() + HANDLER_SUFFIX;
    final JDefinedClass handlerDelegate = model._class(fullName);
    // Add 'Generated' annotation
    final JAnnotationUse generatedAnnotation = handlerDelegate.annotate(Generated.class);
    generatedAnnotation.param("value", JaxWsAnnotationProcessor.class.getName());
    generatedAnnotation.param("date", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss:SSSZ").format(new Date()));
    generatedAnnotation.param("comments", "Handler delegate for " + handler.getHandlerQualifiedName());
    AptUtil.addJavaDoc(handlerDelegate, format("This class is auto-generated by APT triggered by Maven build and is based on the handler configuration declared in {@link %s}.", entryPointDefinition.getSimpleName()));
    switch(handler.getHandlerType()) {
        case SOAP:
            handlerDelegate._extends(model.ref(SOAPHandlerDelegate.class));
            break;
        case LOGICAL:
            handlerDelegate._extends(model.ref(HandlerDelegate.class).narrow(LogicalMessageContext.class));
            handlerDelegate._implements(model.ref(LogicalHandler.class).narrow(LogicalMessageContext.class));
            break;
        default:
            handlerDelegate._extends(model.ref(HandlerDelegate.class).narrow(MessageContext.class));
            break;
    }
    // Add default constructor with super call to provide handler annotation.
    final JClass entryPointDefinitionClass = model.ref(entryPointDefinition.getQualifiedName());
    final JMethod defaultConstructor = handlerDelegate.constructor(JMod.PUBLIC);
    defaultConstructor.body().invoke("super").arg(JExpr.dotclass(entryPointDefinitionClass).invoke("getAnnotation").arg(JExpr.dotclass(model.ref(WebServiceEntryPoint.class))).invoke("handlerChain").component(JExpr.lit(idx)));
    AptUtil.buildAndPersist(model, env.getFiler());
    return handlerDelegate.fullName();
}

Example 77 with JCodeModel

use of com.sun.codemodel.JCodeModel in project drill by apache.

the class HiveFuncHolder method generateEval.

private HoldingContainer generateEval(ClassGenerator<?> g, HoldingContainer[] inputVariables, JVar[] workspaceJVars) {
    HoldingContainer out = g.declare(returnType);
    JCodeModel m = g.getModel();
    JBlock sub = new JBlock(true, true);
    // initialize DeferredObject's. For an optional type, assign the value holder only if it is not null
    for (int i = 0; i < argTypes.length; i++) {
        if (inputVariables[i].isOptional()) {
            sub.assign(workspaceJVars[3].component(JExpr.lit(i)), workspaceJVars[2].component(JExpr.lit(i)));
            JBlock conditionalBlock = new JBlock(false, false);
            JConditional jc = conditionalBlock._if(inputVariables[i].getIsSet().ne(JExpr.lit(0)));
            jc._then().assign(JExpr.ref(workspaceJVars[3].component(JExpr.lit(i)), "valueHolder"), inputVariables[i].getHolder());
            jc._else().assign(JExpr.ref(workspaceJVars[3].component(JExpr.lit(i)), "valueHolder"), JExpr._null());
            sub.add(conditionalBlock);
        } else {
            sub.assign(workspaceJVars[3].component(JExpr.lit(i)), workspaceJVars[2].component(JExpr.lit(i)));
            sub.assign(JExpr.ref(workspaceJVars[3].component(JExpr.lit(i)), "valueHolder"), inputVariables[i].getHolder());
        }
    }
    // declare generic object for storing return value from GenericUDF.evaluate
    JVar retVal = sub.decl(m._ref(Object.class), "ret");
    // create try..catch block to call the GenericUDF instance with given input
    JTryBlock udfEvalTry = sub._try();
    udfEvalTry.body().assign(retVal, workspaceJVars[1].invoke("evaluate").arg(workspaceJVars[3]));
    JCatchBlock udfEvalCatch = udfEvalTry._catch(m.directClass(Exception.class.getCanonicalName()));
    JVar exVar = udfEvalCatch.param("ex");
    udfEvalCatch.body()._throw(JExpr._new(m.directClass(RuntimeException.class.getCanonicalName())).arg(JExpr.lit(String.format("GenericUDF.evaluate method failed"))).arg(exVar));
    // get the ValueHolder from retVal and return ObjectInspector
    sub.add(ObjectInspectorHelper.getDrillObject(m, returnOI, workspaceJVars[0], workspaceJVars[4], retVal));
    sub.assign(out.getHolder(), workspaceJVars[4]);
    // now add it to the doEval block in Generated class
    JBlock setup = g.getBlock(ClassGenerator.BlockType.EVAL);
    setup.directStatement(String.format("/** start %s for function %s **/ ", ClassGenerator.BlockType.EVAL.name(), genericUdfClazz.getName() + (!isGenericUDF ? "(" + udfName + ")" : "")));
    setup.add(sub);
    setup.directStatement(String.format("/** end %s for function %s **/ ", ClassGenerator.BlockType.EVAL.name(), genericUdfClazz.getName() + (!isGenericUDF ? "(" + udfName + ")" : "")));
    return out;
}