Package org.jboss.errai.ioc.rebind

Examples of org.jboss.errai.ioc.rebind.IOCProcessingContext

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    BlockBuilder<?> blockBuilder =
            classStructureBuilder.publicMethod(InterfaceInjectionContext.class, "bootstrapContainer");

    SourceWriter sourceWriter = new StringSourceWriter();

    procContext = new IOCProcessingContext(logger, context, sourceWriter,
            typeOracle, buildContext, bootStrapClass, blockBuilder);

    injectFactory = new InjectorFactory(procContext);
    procFactory = new IOCProcessorFactory(injectFactory);
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      return new ConstructionStrategy() {
        @Override
        public void generateConstructor() {
          Statement[] parameterStatements = resolveInjectionDependencies(constructor.getParameters(), ctx, constructor);

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt
                                  .newObject(type)
                                  .withParameters(parameterStatements))
          );

          handleInjectionTasks(ctx, injectionTasks);

          doPostConstruct(ctx, injector, postConstructTasks);
        }
      };
    }
    else {
      // field injection
      if (!hasDefaultConstructor(type))
        throw new InjectionFailure("there is no default constructor for type: " + type.getFullyQualifiedName());

      return new ConstructionStrategy() {
        @Override
        public void generateConstructor() {
          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt.newObject(type))
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  private static void doPostConstruct(final InjectionContext ctx,
                                      final Injector injector,
                                      final List<MetaMethod> postConstructTasks) {

    final IOCProcessingContext processingContext = ctx.getProcessingContext();

    for (final MetaMethod meth : postConstructTasks) {
      if (meth.getParameters().length != 0) {
        throw new InjectionFailure("PostConstruct method must be public and contain no parameters: "
                + injector.getInjectedType().getFullyQualifiedName() + "." + meth.getName());
      }

      if (!meth.isPublic()) {
        ctx.addExposedMethod(meth);
      }

      ctx.deferRunnableTask(new Runnable() {
        @Override
        public void run() {
          Statement stmt;
          if (!meth.isPublic()) {
            stmt = Stmt.invokeStatic(ctx.getProcessingContext().getBootstrapClass(),
                    InjectUtil.getPrivateMethodName(meth), Refs.get(injector.getVarName()));
          }
          else {
            stmt = Stmt.loadVariable(injector.getVarName()).invoke(meth.getName());
          }

          processingContext.append(stmt);
        }
      });

    }
  }
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    BlockBuilder<?> blockBuilder =
            classStructureBuilder.publicMethod(InterfaceInjectionContext.class, "bootstrapContainer");

    SourceWriter sourceWriter = new StringSourceWriter();

    procContext = new IOCProcessingContext(logger, context, sourceWriter, buildContext, bootStrapClass, blockBuilder);
    injectFactory = new InjectorFactory(procContext);
    procFactory = new IOCProcessorFactory(injectFactory);

    MetaDataScanner scanner = ScannerSingleton.getOrCreateInstance();
    Properties props = scanner.getProperties("ErraiApp.properties");
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          return loadVariable(creationalCallbackVarName).invoke("getInstance", Refs.get("context"));
        }
      }
    }

    IOCProcessingContext ctx = injectContext.getProcessingContext();

    MetaClass creationCallbackRef = parameterizedAs(CreationalCallback.class, typeParametersOf(type));

    final BlockBuilder<AnonymousClassStructureBuilder> callbackBuilder = newInstanceOf(creationCallbackRef).extend()
            .publicOverridesMethod("getInstance", Parameter.of(CreationalContext.class, "context", true));

    callbackBuilder.append(declareVariable(Class.class).named("beanType").initializeWith(load(type)));
    callbackBuilder.append(declareVariable(Annotation[].class).named("qualifiers")
            .initializeWith(load(qualifyingMetadata.getQualifiers())));

    ctx.pushBlockBuilder(callbackBuilder);

    InjectUtil.getConstructionStrategy(this, injectContext).generateConstructor(new ConstructionStatusCallback() {
      @Override
      public void callback(boolean constructed) {
        callbackBuilder.append(declareVariable(BeanRef.class).named("beanRef")
                .initializeWith(loadVariable("context").invoke("getBeanReference", Refs.get("beanType"),
                        Refs.get("qualifiers"))));

        callbackBuilder.append(loadVariable("context").invoke("addBean", Refs.get("beanRef"), Refs.get(varName)));
        injected = true;
      }
    });

    ctx.popBlockBuilder();

    creationalCallbackVarName = InjectUtil.getNewVarName();

    ctx.globalAppend(declareVariable(creationCallbackRef).asFinal().named(creationalCallbackVarName)
            .initializeWith(callbackBuilder.finish().finish()));

    Statement retVal;

    if (isSingleton()) {
      ctx.globalAppend(declareVariable(type).asFinal().named(varName)
              .initializeWith(loadVariable(creationalCallbackVarName).invoke("getInstance",
                      Refs.get("context"))));

      retVal = Refs.get(varName);
    }
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    this.type = type;
  }

  @SuppressWarnings({"unchecked"})
  public boolean doTask(InjectionContext ctx) {
    IOCProcessingContext processingContext = ctx.getProcessingContext();

    InjectableInstance injectableInstance = getInjectableInstance(ctx);

    //  Injector inj;
    QualifyingMetadata qualifyingMetadata = processingContext.getQualifyingMetadataFactory()
            .createFrom(injectableInstance.getQualifiers());
    Statement val;

    switch (taskType) {
      case Type:
        ctx.getQualifiedInjector(type, qualifyingMetadata);
        break;

      case PrivateField: {
        try {
          val = getInjectorOrProxy(ctx, field.getType(), qualifyingMetadata);
        }
        catch (UnproxyableClassException e) {
          return false;
        }

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateFieldInjectorName(field),
                        Refs.get(injector.getVarName()), val)
        );

        ctx.addExposedField(field);
        break;
      }

      case Field:
        try {
          val = getInjectorOrProxy(ctx, field.getType(), qualifyingMetadata);
        }
        catch (UnproxyableClassException e) {
          return false;
        }
        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).loadField(field.getName()).assignValue(val)
        );

        break;

      case PrivateMethod: {
        for (MetaParameter parm : method.getParameters()) {
          ctx.getProcessingContext().handleDiscoveryOfType(
                  new InjectableInstance(null, TaskType.Parameter, null, method, null, parm.getType(), parm, injector, ctx));
          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        Statement[] smts = resolveInjectionDependencies(method.getParameters(), ctx, method);
        Statement[] parms = new Statement[smts.length];
        parms[0] = Refs.get(injector.getVarName());
        System.arraycopy(smts, 0, parms, 1, smts.length);

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateMethodName(method),
                        parms)
        );

        break;
      }

      case Method:
        for (MetaParameter parm : method.getParameters()) {
          ctx.getProcessingContext().handleDiscoveryOfType(
                  new InjectableInstance(null, TaskType.Parameter, null, method, null, parm.getType(), parm, injector, ctx));

          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).invoke(method,
                        resolveInjectionDependencies(method.getParameters(), ctx, method))
        );

        break;
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        @Override
        public void generateConstructor(ConstructionStatusCallback callback) {
          Statement[] parameterStatements = resolveInjectionDependencies(constructor.getParameters(), ctx, constructor);
          if (injector.isSingleton() && injector.isInjected()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt
                                  .newObject(type)
                                  .withParameters(parameterStatements))
          );
          callback.callback(true);

          handleInjectionTasks(ctx, injectionTasks);

          doPostConstruct(ctx, injector, postConstructTasks);
        }

      };
    }
    else {
      // field injection
      if (!hasDefaultConstructor(type))
        throw new InjectionFailure("there is no public default constructor or suitable injection constructor for type: "
                + type.getFullyQualifiedName());

      return new ConstructionStrategy() {
        @Override
        public void generateConstructor(ConstructionStatusCallback callback) {
          if (injector.isSingleton() && injector.isInjected()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt.newObject(type))
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      }
    }

    AnonymousClassStructureBuilder classStructureBuilder = initMeth.finish();

    IOCProcessingContext pc = ctx.getProcessingContext();

    pc.globalInsertBefore(Stmt.declareVariable(initializationCallbackType).asFinal().named(varName)
            .initializeWith(classStructureBuilder.finish()));


//    if (pc.getProxyBuilder() != null) {
//      // put this call inside the proxy resolver
//      pc.getProxyBuilder().append(Stmt.loadVariable("context").invoke("addInitializationCallback",
//              Refs.get(injector.getVarName()), Refs.get(varName)));
//    }
//    else {
      pc.append(Stmt.loadVariable("context").invoke("addInitializationCallback",
              Refs.get(injector.getVarName()), Refs.get(varName)));
//    }
  }
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  }

  @Override
  public Statement getType(InjectionContext injectContext, InjectableInstance injectableInstance) {
    if (!isInjected()) {
      IOCProcessingContext pCtx = injectContext.getProcessingContext();

      pCtx.append(declareVariable(proxyClass).asFinal().named(varName).initializeWith(newObject(proxyClass)));

      MetaClass proxyResolverRef = parameterizedAs(ProxyResolver.class, typeParametersOf(proxiedType));

      BlockBuilder<AnonymousClassStructureBuilder> builder = newObject(proxyResolverRef)
              .extend().publicOverridesMethod("resolve", Parameter.of(proxiedType, "obj"));

      Statement proxyResolver = builder.append(loadVariable(varName)
              .invoke(ProxyMaker.PROXY_BIND_METHOD, Refs.get("obj"))).finish().finish();

      pCtx.append(loadVariable("context").invoke("addUnresolvedProxy", proxyResolver,
              proxiedType, qualifyingMetadata.getQualifiers()));
      isInjected = true;

    }
    return !proxied ? loadVariable(varName) : proxyStatement;
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    BlockBuilder<?> blockBuilder =
            classStructureBuilder.publicMethod(InterfaceInjectionContext.class, "bootstrapContainer");

    SourceWriter sourceWriter = new StringSourceWriter();

    procContext = new IOCProcessingContext(logger, context, sourceWriter,
            typeOracle, buildContext, bootStrapClass, blockBuilder);

    injectFactory = new InjectorFactory(procContext);
    procFactory = new IOCProcessorFactory(injectFactory);
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Related Classes of org.jboss.errai.ioc.rebind.IOCProcessingContext

  • org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCBootstrapGenerator
  • org.jboss.errai.ioc.rebind.ioc.InjectionTask
  • org.jboss.errai.ioc.rebind.ioc.InjectUtil
  • org.jboss.errai.ioc.rebind.ioc.ProxyInjector
  • org.jboss.errai.ioc.rebind.ioc.TypeInjector
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