2017-03-02 61 views
0

我注意到,@ApplicationScoped注释仅用于errai文档中的模型/服务类。@ApplicationScoped注释可以与@Templated bean一起使用吗?

我想知道是否可以使用它与用户iterface片段,如@Templated文件?例如,我有一个小部件在许多@Page上重复。我可以在@Inject注释中使用它的同一个实例吗?

如果这是可能的,为什么我收到一个错误:

Uncaught Error: java.lang.IllegalStateException: This widget's parent does not implement HasWidgets 
    at FBf_g$.tC_g$ [as createError_0_g$] (Throwable.java:121) 
    at FBf_g$.DC_g$ [as initializeBackingError_0_g$] (Throwable.java:113) 
    at FBf_g$.mC_g$ (Throwable.java:67) 
    at FBf_g$.SC_g$ (Exception.java:29) 
    at FBf_g$.$C_g$ (RuntimeException.java:29) 
    at FBf_g$ (IllegalStateException.java:28) 
    at xkj_g$.LBe_g$ [as removeFromParent_0_g$] (Widget.java:204) 
    at xkj_g$ (TemplateWidget.java:43) 
    at Eij_g$ (TemplateUtil.java:251) 
    at mki_g$.yki_g$ [as createInstance_64_g$] (Type_factory__p_k_e_c_l_App__quals__j_e_i_Any_j_e_i_Default.java:652) 
    at mki_g$.xki_g$ [as createInstance_2_g$] (Type_factory__p_k_e_c_l_App__quals__j_e_i_Any_j_e_i_Default.java:622) 
    at rvi_g$.Wui_g$ [as createNewUnproxiedInstance_0_g$] (AbstractContext.java:85) 
    at rvi_g$.Yui_g$ [as getActiveNonProxiedInstance_0_g$] (AbstractContext.java:78) 
    at wyi_g$.Dyi_g$ [as trySettingInstance_0_g$] (ProxyHelperImpl.java:53) 
    at wyi_g$.zyi_g$ [as getInstance_3_g$] (ProxyHelperImpl.java:42) 
    at Uki_g$.gmi_g$ [as unwrap_1_g$] (Type_factory__p_k_e_c_l_App__quals__j_e_i_Any_j_e_i_Default.java:75) 
    at Nvi_g$.Xvi_g$ [as getEagerInstance_0_g$] (ContextManagerImpl.java:72) 
    at Nyi_g$.Wyi_g$ [as init_13_g$] (SyncBeanManagerImpl.java:103) 
    at Nyi_g$.fzi_g$ [as setContextManager_0_g$] (SyncBeanManagerImpl.java:90) 
    at d7h_g$.e7h_g$ [as bootstrapContainer_1_g$] (Container.java:80) 
    at d7h_g$.g7h_g$ [as onModuleLoad_0_g$] (Container.java:40) 
    at Array.Y9d_g$ (pl_00046korbeldaniel_00046erpe_00046App__EntryMethodHolder.java:3) 
    at initializeModules_0_g$ (ModuleUtils.java:44) 
    at Fcc_g$ (Impl.java:239) 
    at Icc_g$ (Impl.java:298) 
    at Impl.java:77 
    at q9d_g$ (ModuleUtils.java:55) 
    at MenuEntryWidget.java:43 

每次我加入:@ApplicationScoped注释@Templated类部件的?

回答

0

根据我的经验,你不能使用@ApplicationScoped@Templated部件期待的@EntryPoint也可以是@Templated

熙的一个例子:

@ApplicationScoped 
@Templated 
@EntryPoint 
public class App extends Composite { 
} 
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