Examples of org.jboss.errai.codegen.BlockStatement

org.jboss.errai.codegen.BlockStatement
Represents a code block (e.g. a loop body). @author Christian Sadilek

      String entityInstanceParam = method.getParameters()[0].getName();
      String newValueParam = method.getParameters()[1].getName();


      if (getJavaMember(attr) instanceof Field) {


        BlockStatement methodBody = new BlockStatement();


        // Now unwrap in case it's a WrappedPortable
        methodBody.addStatement(
            If.instanceOf(Stmt.loadVariable(entityInstanceParam), WrappedPortable.class)
                .append(
                    Stmt.loadVariable(entityInstanceParam).assignValue(
                        Stmt.castTo(WrappedPortable.class, Stmt.loadVariable(entityInstanceParam)).invoke("unwrap")))
                .finish());


        MetaField field = MetaClassFactory.get((Field) getJavaMember(attr));


        // Now generate a call to the private accessor method for the field in question.
        // (The write accessor for the field was defined while generating the get() method).
        methodBody.addStatement(
            Stmt.loadVariable("this")
                .invoke(PrivateAccessUtil.getPrivateFieldInjectorName(field),
                    Stmt.castTo(et.getJavaType(), Stmt.loadVariable(entityInstanceParam)),
                    Stmt.castTo(MetaClassFactory.get(attr.getJavaType()).asBoxed(), Stmt.loadVariable(newValueParam))));

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        // First we need to generate an accessor for the field.
        MetaField field = MetaClassFactory.get((Field) getJavaMember(attr));
        PrivateAccessUtil.addPrivateAccessStubs(PrivateAccessType.Both, "jsni", containingClassBuilder, field,
            new Modifier[]{});


        BlockStatement methodBody = new BlockStatement();


        // Now unwrap in case it's a WrappedPortable
        methodBody.addStatement(
            If.instanceOf(Stmt.loadVariable(entityInstanceParam), WrappedPortable.class)
                .append(
                    Stmt.loadVariable(entityInstanceParam).assignValue(
                        Stmt.castTo(WrappedPortable.class, Stmt.loadVariable(entityInstanceParam)).invoke("unwrap")))
                .finish());


        // Now generate a call to the private accessor method for the field in question.
        methodBody.addStatement(
            Stmt.loadVariable("this")
                .invoke(PrivateAccessUtil.getPrivateFieldInjectorName(field),
                    Stmt.castTo(et.getJavaType(), Stmt.loadVariable(entityInstanceParam)))
                .returnValue());

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      String newValueParam = method.getParameters()[1].getName();


      if (getJavaMember(attr) instanceof Field) {




        BlockStatement methodBody = new BlockStatement();


        // Now unwrap in case it's a WrappedPortable
        methodBody.addStatement(
                If.instanceOf(Stmt.loadVariable(entityInstanceParam), WrappedPortable.class)
                    .append(Stmt.loadVariable(entityInstanceParam).assignValue(Stmt.castTo(WrappedPortable.class, Stmt.loadVariable(entityInstanceParam)).invoke("unwrap")))
                    .finish());


        MetaField field = MetaClassFactory.get((Field) getJavaMember(attr));


        // Now generate a call to the private accessor method for the field in question.
        // (The write accessor for the field was defined while generating the get() method).
        methodBody.addStatement(
                Stmt.loadVariable("this")
                    .invoke(PrivateAccessUtil.getPrivateFieldInjectorName(field),
                        Stmt.castTo(et.getJavaType(), Stmt.loadVariable(entityInstanceParam)),
                        Stmt.castTo(MetaClassFactory.get(attr.getJavaType()).asBoxed(), Stmt.loadVariable(newValueParam))));

View Full Code Here


        // First we need to generate an accessor for the field.
        MetaField field = MetaClassFactory.get((Field) getJavaMember(attr));
        PrivateAccessUtil.addPrivateAccessStubs(PrivateAccessType.Both, "jsni", containingClassBuilder, field, new Modifier[] {});


        BlockStatement methodBody = new BlockStatement();


        // Now unwrap in case it's a WrappedPortable
        methodBody.addStatement(
                If.instanceOf(Stmt.loadVariable(entityInstanceParam), WrappedPortable.class)
                    .append(Stmt.loadVariable(entityInstanceParam).assignValue(Stmt.castTo(WrappedPortable.class, Stmt.loadVariable(entityInstanceParam)).invoke("unwrap")))
                    .finish());


        // Now generate a call to the private accessor method for the field in question.
        methodBody.addStatement(
                Stmt.loadVariable("this")
                    .invoke(PrivateAccessUtil.getPrivateFieldInjectorName(field),
                        Stmt.castTo(et.getJavaType(), Stmt.loadVariable(entityInstanceParam)))
                        .returnValue());

View Full Code Here

      String newValueParam = method.getParameters()[1].getName();


      if (getJavaMember(attr) instanceof Field) {




        BlockStatement methodBody = new BlockStatement();


        // Now unwrap in case it's a WrappedPortable
        methodBody.addStatement(
                If.instanceOf(Stmt.loadVariable(entityInstanceParam), WrappedPortable.class)
                    .append(Stmt.loadVariable(entityInstanceParam).assignValue(Stmt.castTo(WrappedPortable.class, Stmt.loadVariable(entityInstanceParam)).invoke("unwrap")))
                    .finish());


        MetaField field = MetaClassFactory.get((Field) getJavaMember(attr));


        // Now generate a call to the private accessor method for the field in question.
        // (The write accessor for the field was defined while generating the get() method).
        methodBody.addStatement(
                Stmt.loadVariable("this")
                    .invoke(PrivateAccessUtil.getPrivateFieldInjectorName(field),
                        Stmt.castTo(et.getJavaType(), Stmt.loadVariable(entityInstanceParam)),
                        Stmt.castTo(MetaClassFactory.get(attr.getJavaType()).asBoxed(), Stmt.loadVariable(newValueParam))));

View Full Code Here


        // First we need to generate an accessor for the field.
        MetaField field = MetaClassFactory.get((Field) getJavaMember(attr));
        PrivateAccessUtil.addPrivateAccessStubs(PrivateAccessType.Both, "jsni", containingClassBuilder, field, new Modifier[] {});


        BlockStatement methodBody = new BlockStatement();


        // Now unwrap in case it's a WrappedPortable
        methodBody.addStatement(
                If.instanceOf(Stmt.loadVariable(entityInstanceParam), WrappedPortable.class)
                    .append(Stmt.loadVariable(entityInstanceParam).assignValue(Stmt.castTo(WrappedPortable.class, Stmt.loadVariable(entityInstanceParam)).invoke("unwrap")))
                    .finish());


        // Now generate a call to the private accessor method for the field in question.
        methodBody.addStatement(
                Stmt.loadVariable("this")
                    .invoke(PrivateAccessUtil.getPrivateFieldInjectorName(field),
                        Stmt.castTo(et.getJavaType(), Stmt.loadVariable(entityInstanceParam)))
                        .returnValue());

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              .append(Stmt.loadVariable("this").invoke("proceed", Variable.get("interceptorCallback")))
              .finish();
  }


  private static Statement generateInterceptorStackProceedMethod(final Statement proceed, final InterceptedCall interceptedCall) {
    final BlockStatement proceedLogic = new BlockStatement();
    proceedLogic.addStatement(Stmt.loadVariable("status").invoke("proceed"));


    final BlockBuilder<ElseBlockBuilder> interceptorStack =
              If.isNotNull(Stmt.loadVariable("status").invoke("getNextInterceptor"));


    for (final Class<?> interceptor : interceptedCall.value()) {
      interceptorStack.append(If.cond(Bool.equals(
              Stmt.loadVariable("status").invoke("getNextInterceptor"), interceptor))
              .append(Stmt.loadVariable("status").invoke("setProceeding", false))
              .append(
                  Stmt.nestedCall(Stmt.newObject(interceptor))
                      .invoke("aroundInvoke", Variable.get("this")))
              .append(
                  If.not(Stmt.loadVariable("status").invoke("isProceeding"))
                      .append(
                          Stmt.loadVariable("remoteCallback").invoke("callback",
                              Stmt.loadVariable("this").invoke("getResult")))
                      .finish())
              .finish()
          );
    }
    proceedLogic.addStatement(interceptorStack.finish().else_().append(proceed).finish());
    return proceedLogic;
  }

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            .finish();
  }


  private Statement generateRequest(ClassStructureBuilder<?> classBuilder,
      MetaMethod method, Statement methodParams, boolean intercepted) {
    BlockStatement requestBlock = new BlockStatement();


    requestBlock.addStatement(Stmt.declareVariable("sendable", RemoteCallSendable.class, null));
    requestBlock.addStatement(
        If.isNull(Variable.get("errorCallback"))
        .append(Stmt.loadVariable("sendable").assignValue(
            Stmt
                .invokeStatic(MessageBuilder.class, "createCall")
                .invoke("call", remote.getFullyQualifiedName())
                .invoke("endpoint", ProxyUtil.createCallSignature(method),
                    Stmt.loadClassMember("qualifiers"),
                    methodParams)
                .invoke("respondTo", method.getReturnType().asBoxed(), Stmt.loadVariable("remoteCallback"))
                .invoke("defaultErrorHandling")))
        .finish()
        .else_()
        .append(Stmt.loadVariable("sendable").assignValue(
            Stmt
                .invokeStatic(MessageBuilder.class, "createCall")
                .invoke("call", remote.getFullyQualifiedName())
                .invoke("endpoint", ProxyUtil.createCallSignature(method),
                    Stmt.loadClassMember("qualifiers"),
                    methodParams)
                .invoke("respondTo", method.getReturnType().asBoxed(), Stmt.loadVariable("remoteCallback"))
                .invoke("errorsHandledBy", Stmt.loadVariable("errorCallback"))))
        .finish());


    requestBlock.addStatement(Stmt.loadStatic(classBuilder.getClassDefinition(), "this")
        .invoke("sendRequest", Variable.get("bus"), Variable.get("sendable")));


    return requestBlock;
  }

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                  Variable.get("name"), Variable.get("handler")))
          .finish();
  }


  private Statement generatePropertiesMap() {
    BlockStatement block = new BlockStatement();
    for (String property : bindable.getBeanDescriptor().getProperties()) {
      MetaMethod readMethod = bindable.getBeanDescriptor().getReadMethodForProperty(property);
      if (!readMethod.isFinal()) {
        block.addStatement(field("propertyTypes").invoke("put", property,
            readMethod.getReturnType().asBoxed().asClass()));
      }
    }
    return block;
  }

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  private static Statement generateInterceptorStackProceedMethod(
          final GeneratorContext context,
          final Class<? extends RemoteCallContext> callContextType,
          final Statement proceed, final List<Class<?>> interceptors) {
    final BlockStatement proceedLogic = new BlockStatement();
    proceedLogic.addStatement(Stmt.loadVariable("status").invoke("proceed"));


    final BlockBuilder<ElseBlockBuilder> interceptorStack =
              If.isNotNull(Stmt.loadVariable("status").invoke("getNextInterceptor"));


    for (final Class<?> interceptor : interceptors) {
      interceptorStack.append(If.cond(Bool.equals(
              Stmt.loadVariable("status").invoke("getNextInterceptor"), interceptor))
              .append(Stmt.loadVariable("status").invoke("setProceeding", false))
              .append(Stmt.declareFinalVariable("ctx", callContextType, Stmt.loadVariable("this")))
              .append(
                  Stmt.declareVariable(CreationalCallback.class).asFinal().named("icc")
                      .initializeWith(
                          Stmt.newObject(CreationalCallback.class).extend()
                              .publicOverridesMethod("callback", Parameter.of(Object.class, "beanInstance", true))
                              .append(
                                  Stmt.castTo(interceptor, Stmt.loadVariable("beanInstance")).invoke("aroundInvoke",
                                      Variable.get("ctx")))
                              .append(
                                  If.not(Stmt.loadVariable("status").invoke("isProceeding"))
                                      .append(
                                          Stmt.loadVariable("remoteCallback").invoke("callback",
                                              Stmt.loadVariable("ctx").invoke("getResult")))
                                      .finish())
                              .finish() // finish the method override body
                              .finish() // finish the anonymous CreationalCallback class body
                      ))
              .append(generateAsyncInterceptorCreation(context, interceptor))
              .finish()
          );
    }
    proceedLogic.addStatement(interceptorStack.finish().else_().append(proceed).finish());
    return proceedLogic;
  }

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