Package org.jboss.errai.codegen

Examples of org.jboss.errai.codegen.BlockStatement

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  public void afterInitialization(final IOCProcessingContext context,
                                  final InjectionContext injectionContext,
                                  final IOCConfigProcessor procFactory) {

    final BlockStatement instanceInitializer = context.getBootstrapClass().getInstanceInitializer();

    final Set<MetaClass> knownObserverTypes = new HashSet<MetaClass>();

    for (final MetaParameter parameter : ClassScanner.getParametersAnnotatedWith(Observes.class)) {
      knownObserverTypes.add(parameter.getType());
    }

    final Set<MetaClass> knownTypesWithSuperTypes = new HashSet<MetaClass>(knownObserverTypes);
    for (final MetaClass cls : knownObserverTypes) {
      for (final MetaClass subClass : ClassScanner.getSubTypesOf(cls)) {
        knownTypesWithSuperTypes.add(subClass);
      }
    }

    addTypeHeirarchyFor(context, knownTypesWithSuperTypes);

    instanceInitializer.addStatement(Stmt.nestedCall(Stmt.newObject(CDI.class))
            .invoke("initLookupTable", Stmt.invokeStatic(CDIEventTypeLookup.class, "get")));
  }
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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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  /**
   * Generates code to collect all existing properties and their types.
   */
  private Statement generatePropertiesMap() {
    BlockStatement block = new BlockStatement();
    for (String property : bindable.getBeanDescriptor().getProperties()) {
      MetaMethod readMethod = bindable.getBeanDescriptor().getReadMethodForProperty(property);
      if (readMethod != null && !readMethod.isFinal()) {
        block.addStatement(agent("propertyTypes").invoke(
            "put",
            property,
            Stmt.newObject(PropertyType.class, readMethod.getReturnType().asBoxed().asClass(),
                DataBindingUtil.isBindableType(readMethod.getReturnType()),
                readMethod.getReturnType().isAssignableTo(List.class))
            )
            );
      }
    }
    return (block.isEmpty()) ? EmptyStatement.INSTANCE : block;
  }
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  /**
   * Generates method body for recursively unwrapping a {@link BindableProxy}.
   */
  private Statement generateDeepUnwrapMethodBody(final String methodName) {
    final String cloneVar = "clone";
    final BlockStatement stmt = new BlockStatement();
    stmt.addStatement(Stmt.declareFinalVariable(cloneVar, bindable, Stmt.newObject(bindable)));
   
    for (final String property : bindable.getBeanDescriptor().getProperties()) {
      final MetaMethod readMethod = bindable.getBeanDescriptor().getReadMethodForProperty(property);
      final MetaMethod writeMethod = bindable.getBeanDescriptor().getWriteMethodForProperty(property);
      if (readMethod != null && writeMethod != null) {
        if (!readMethod.getReturnType().isAnnotationPresent(Bindable.class)
                && !DataBindingUtil.getConfiguredBindableTypes().contains(readMethod.getReturnType())) {
          stmt.addStatement(
              Stmt.loadVariable(cloneVar).invoke(writeMethod,target().invoke(readMethod))
          );
        }
        else {
          final Statement field = target().invoke(readMethod);
          stmt.addStatement(
              If.instanceOf(field, BindableProxy.class)
                  .append(
                      Stmt.loadVariable(cloneVar)
                      .invoke(
                          writeMethod,
                          Cast.to(
                              readMethod.getReturnType(),
                              Stmt.castTo(BindableProxy.class, Stmt.loadVariable("this").invoke(readMethod)
                              )
                              .invoke(methodName)
                          )
                      )
                  )
              .finish()
              .else_()
                  .append(
                      Stmt.loadVariable(cloneVar).invoke(writeMethod, target().invoke(readMethod))
                  )
              .finish()
          );
        }
      }
    }
   
    stmt.addStatement(Stmt.loadVariable(cloneVar).returnValue());
   
    return stmt;
  }
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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.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.loadVariable("status").invoke("setProceeding", false))
                              .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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    return foreach(loopVarName, MetaClassFactory.get(loopVarType));
  }

  @Override
  public BlockBuilder<StatementEnd> foreach(final String loopVarName, final MetaClass loopVarType) {
    final BlockStatement body = new BlockStatement();

    appendCallElement(new DeferredCallElement(new DeferredCallback() {
      @Override
      public void doDeferred(CallWriter writer, Context context, Statement statement) {
          GenUtil.assertIsIterable(statement);
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  }

  // do while loop
  @Override
  public BlockBuilder<WhileBuilder> do_() {
    final BlockStatement body = new BlockStatement();

    return new BlockBuilderImpl<WhileBuilder>(body, new BuildCallback<WhileBuilder>() {
      @Override
      public WhileBuilder callback(Statement statement) {
        return new WhileBuilder() {
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    return while_(new BooleanExpressionBuilder(rhs, op));
  }

  @Override
  public BlockBuilder<StatementEnd> while_(final BooleanExpression condition) {
    final BlockStatement body = new BlockStatement();
    appendCallElement(new ConditionalBlockCallElement(new WhileLoop(condition, body)));
    return createLoopBody(body);
  }
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  @Override
  public BlockBuilder<StatementEnd> for_(final Statement initializer, final BooleanExpression condition,
      final Statement countingExpression) {

    final BlockStatement body = new BlockStatement();
    appendCallElement(new ConditionalBlockCallElement(new ForLoop(condition, body, initializer, countingExpression)));
    return createLoopBody(body);
  }
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    if (_constructorsCache != null) return _constructorsCache;

    if (constructors.isEmpty()) {
      // add an empty no-arg constructor
      final BuildMetaConstructor buildMetaConstructor =
          new BuildMetaConstructor(this, new BlockStatement(), DefParameters.none());

      buildMetaConstructor.setScope(Scope.Public);
      return _constructorsCache = new MetaConstructor[]{buildMetaConstructor};
    }
    else {
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Related Classes of org.jboss.errai.codegen.BlockStatement

  • org.jboss.errai.bus.rebind.ProxyUtil
  • org.jboss.errai.bus.rebind.RpcProxyGenerator
  • org.jboss.errai.bus.rebind.RPCProxyUtil
  • org.jboss.errai.codegen.builder.impl.BlockBuilderImpl
  • org.jboss.errai.codegen.builder.impl.LoopBuilderImpl
  • org.jboss.errai.codegen.control.AbstractConditionalBlock
  • org.jboss.errai.codegen.control.SwitchBlock
  • org.jboss.errai.codegen.control.TryBlock
  • org.jboss.errai.codegen.meta.impl.build.BuildMetaClass
  • org.jboss.errai.codegen.util.ProxyUtil
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