Examples of IOCProcessingContext


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

  public void renderProvider(InjectableInstance injectableInstance) {
  }

  @Override
    public Statement getBeanInstance(final InjectableInstance injectableInstance) {
      final IOCProcessingContext pCtx = injectableInstance.getInjectionContext().getProcessingContext();

      pCtx.append(Stmt.declareFinalVariable(varName, proxyClass, newObject(proxyClass)));

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

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

      final Statement proxyResolver = proxyResolverBody._(loadVariable(varName)
              .invoke(ProxyMaker.PROXY_BIND_METHOD, Refs.get("obj"))).finish().finish();

      proxyResolverBody._(Stmt.loadVariable("context").invoke("addProxyReference", Refs.get(varName), Refs.get("obj")));

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

      for (final Statement statement : closeStatements) {
        proxyResolverBody.append(statement);
      }

      setRendered(true);


      final String var = InjectUtil.getVarNameFromType(proxiedType, injectableInstance);

      pCtx.append(Stmt.loadVariable(var).invoke("callback", Refs.get(varName)));

      return null;
    }
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

          Statement[] parameterStatements
                  = resolveInjectionDependencies(constructor.getParameters(), ctx, constructor);

          if (injector.isSingleton() && injector.isCreated()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

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

          handleInjectionTasks(ctx, injectionTasks);

          doPostConstruct(ctx, injector, postConstructTasks);
          doPreDestroy(ctx, injector, preDestroyTasks);
        }

      };
    }
    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.isCreated()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt.newObject(type))
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

    renderLifeCycleEvents(PostConstruct.class, injector, ctx, initMeth, postConstructTasks);

    AnonymousClassStructureBuilder classStructureBuilder = initMeth.finish();

    IOCProcessingContext pc = ctx.getProcessingContext();

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

    pc.append(Stmt.loadVariable("context").invoke("addInitializationCallback",
            Refs.get(injector.getVarName()), Refs.get(varName)));
  }
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

    renderLifeCycleEvents(PreDestroy.class, injector, ctx, initMeth, preDestroyTasks);

    AnonymousClassStructureBuilder classStructureBuilder = initMeth.finish();

    IOCProcessingContext pc = ctx.getProcessingContext();

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

    pc.append(Stmt.loadVariable("context").invoke("addDestructionCallback",
            Refs.get(injector.getVarName()), Refs.get(varName)));
  }
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

            .addInnerClass(new InnerClass(proxyClass));
  }

  @Override
  public Statement getBeanInstance(InjectableInstance injectableInstance) {
    final IOCProcessingContext pCtx = injectableInstance.getInjectionContext().getProcessingContext();

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

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

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

    final Statement proxyResolver = proxyResolverBody._(loadVariable(varName)
            .invoke(ProxyMaker.PROXY_BIND_METHOD, Refs.get("obj"))).finish().finish();

    proxyResolverBody._(Stmt.loadVariable("context").invoke("addProxyReference", Refs.get(varName), Refs.get("obj")));

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

    for (Statement statement : closeStatements) {
      proxyResolverBody.append(statement);
    }
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

        return loadVariable(creationalCallbackVarName).invoke("getInstance", Refs.get("context"));
      }
    }

    final InjectionContext injectContext = injectableInstance.getInjectionContext();
    final IOCProcessingContext ctx = injectContext.getProcessingContext();

    /*
    get a parameterized version of the CreationalCallback class, parameterized with the type of
    bean it produces.
    */
    final MetaClass creationCallbackRef = parameterizedAs(CreationalCallback.class, typeParametersOf(type));

    /*
    begin building the creational callback, implement the "getInstance" method from the interface
    and assign its BlockBuilder to a callbackBuilder so we can work with it.
    */
    final BlockBuilder<AnonymousClassStructureBuilder> callbackBuilder
            = newInstanceOf(creationCallbackRef).extend()
            .publicOverridesMethod("getInstance", Parameter.of(CreationalContext.class, "context", true));

    /*
    render local variables Class::beanType and Annotation[]::qualifiers at the beginning of the getInstance()
    method so we can easily refer to them later on.
    */
    callbackBuilder
            ._(declareVariable(Class.class).named("beanType").initializeWith(load(type)))
            ._(declareVariable(Annotation[].class).named("qualifiers")
                    .initializeWith(load(qualifyingMetadata.getQualifiers())));


    /* push the method block builder onto the stack, so injection tasks are rendered appropriately. */
    ctx.pushBlockBuilder(callbackBuilder);

    /* get a new unique variable for the creational callback */
    creationalCallbackVarName = InjectUtil.getNewInjectorName() + "_" + type.getName() + "_creationalCallback";

    /* get the construction strategy and execute it to wire the bean */
    InjectUtil.getConstructionStrategy(this, injectContext).generateConstructor(new ConstructionStatusCallback() {
      @Override
      public void beanConstructed() {
        /* the bean has been constructed, so get a reference to the BeanRef and set it to the 'beanRef' variable. */

        callbackBuilder.append(declareVariable(BeanRef.class).named("beanRef")
                .initializeWith(loadVariable("context").invoke("getBeanReference", Refs.get("beanType"),
                        Refs.get("qualifiers"))));

        /* add the bean to CreationalContext */
        callbackBuilder.append(loadVariable("context").invoke("addBean", Refs.get("beanRef"), Refs.get(varName)));

        /* mark this injector as injected so we don't go into a loop if there is a cycle. */
        setCreated(true);
      }
    });

    /*
    return the instance of the bean from the creational callback.
    */
    callbackBuilder.append(loadVariable(varName).returnValue());

    /* pop the block builder of the stack now that we're done wiring. */
    ctx.popBlockBuilder();


    /*
    declare a final variable for the CreationalCallback and initialize it with the anonymous class we just
    built.
    */
    ctx.globalAppend(declareVariable(creationCallbackRef).asFinal().named(creationalCallbackVarName)
            .initializeWith(callbackBuilder.finish().finish()));

    Statement retVal;

    if (isSingleton()) {
      /*
       if the injector is for a singleton, we create a variable to hold the singleton reference in the bootstrapper
       method and assign it with CreationalContext.getInstance().
       */
      ctx.globalAppend(declareVariable(type).asFinal().named(varName)
              .initializeWith(loadVariable(creationalCallbackVarName).invoke("getInstance",
                      Refs.get("context"))));

      /*
       use the variable we just assigned as the return value for this injector.
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

    this.parm = null;
  }

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

    InjectableInstance injectableInstance = getInjectableInstance(ctx);

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

    ctx.allowProxyCapture();

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

      case PrivateField: {
        try {
          val = InjectUtil.getInjectorOrProxy(ctx, getInjectableInstance(ctx), field.getType(), qualifyingMetadata);
        }
        catch (InjectionFailure e) {
          throw UnsatisfiedDependenciesException.createWithSingleFieldFailure(field, field.getDeclaringClass(),
                  field.getType(), e.getMessage());
        }
        catch (UnproxyableClassException e) {
          String err = "your object graph may have cyclical dependencies and the cycle could not be proxied. use of the @Dependent scope and @New qualifier may not " +
                  "produce properly initalized objects for: " + getInjector().getInjectedType().getFullyQualifiedName() + "\n" +
                  "\t Offending node: " + toString() + "\n" +
                  "\t Note          : this issue can be resolved by making "
                  + e.getUnproxyableClass().getFullyQualifiedName() + " proxyable. Introduce a default no-arg constructor and make sure the class is non-final.";

          throw UnsatisfiedDependenciesException.createWithSingleFieldFailure(field, field.getDeclaringClass(),
                  field.getType(), err);
        }

        final Statement fieldAccessStmt;

        if (field.isStatic()) {
          throw new InjectionFailure("attempt to inject bean into a static field: "
                  + field.getDeclaringClass().getFullyQualifiedName() + "." + field.getName());
        }
        else {
          fieldAccessStmt = Stmt.invokeStatic(processingContext.getBootstrapClass(),
                  getPrivateFieldInjectorName(field), Refs.get(injector.getVarName()), val);
        }

        processingContext.append(fieldAccessStmt);

        ctx.addExposedField(field, PrivateAccessType.Write);
        break;
      }

      case Field:
        try {
          val = InjectUtil.getInjectorOrProxy(ctx, getInjectableInstance(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));
        }

        Statement[] stmts = InjectUtil.resolveInjectionDependencies(method.getParameters(), ctx, method);
        Statement[] parms;

        parms = new Statement[stmts.length + 1];
        parms[0] = Refs.get(injector.getVarName());
        System.arraycopy(stmts, 0, parms, 1, stmts.length);

        injectableInstance.getInjectionContext().addExposedMethod(method);

        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));

        }

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

        break;
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

          Statement[] parameterStatements
                  = resolveInjectionDependencies(constructor.getParameters(), ctx, constructor);

          if (injector.isSingleton() && injector.isCreated()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

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

          handleInjectionTasks(ctx, injectionTasks);

          doPostConstruct(ctx, injector, postConstructTasks);
          doPreDestroy(ctx, injector, preDestroyTasks);
        }

      };
    }
    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.isCreated()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt.newObject(type))
View Full Code Here

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

    renderLifeCycleEvents(PostConstruct.class, injector, ctx, initMeth, postConstructTasks);

    AnonymousClassStructureBuilder classStructureBuilder = initMeth.finish();

    IOCProcessingContext pc = ctx.getProcessingContext();

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

    pc.append(Stmt.loadVariable("context").invoke("addInitializationCallback",
            Refs.get(injector.getVarName()), Refs.get(varName)));
  }
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Examples of org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCProcessingContext

    renderLifeCycleEvents(PreDestroy.class, injector, ctx, initMeth, preDestroyTasks);

    AnonymousClassStructureBuilder classStructureBuilder = initMeth.finish();

    IOCProcessingContext pc = ctx.getProcessingContext();

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

    pc.append(Stmt.loadVariable("context").invoke("addDestructionCallback",
            Refs.get(injector.getVarName()), Refs.get(varName)));
  }
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