Examples with MethodExecutionHandle io.micronaut.inject.MethodExecutionHandle used on opensource projects

Example 6 with MethodExecutionHandle

use of io.micronaut.inject.MethodExecutionHandle in project micronaut-core by micronaut-projects.

the class DefaultBeanContext method createExecutionHandle.

@Override
public MethodExecutionHandle<?, Object> createExecutionHandle(BeanDefinition<? extends Object> beanDefinition, ExecutableMethod<Object, ?> method) {
    return new MethodExecutionHandle<Object, Object>() {

        private Object target;

        @NonNull
        @Override
        public AnnotationMetadata getAnnotationMetadata() {
            return method.getAnnotationMetadata();
        }

        @SuppressWarnings("rawtypes")
        @Override
        public Object getTarget() {
            Object target = this.target;
            if (target == null) {
                synchronized (this) {
                    // double check
                    target = this.target;
                    if (target == null) {
                        try (BeanResolutionContext context = newResolutionContext(beanDefinition, null)) {
                            BeanDefinition rawDefinition = beanDefinition;
                            target = getBeanForDefinition(context, Argument.of(rawDefinition.getBeanType()), rawDefinition.getDeclaredQualifier(), true, rawDefinition);
                        }
                        this.target = target;
                    }
                }
            }
            return target;
        }

        @Override
        public Class getDeclaringType() {
            return beanDefinition.getBeanType();
        }

        @Override
        public String getMethodName() {
            return method.getMethodName();
        }

        @Override
        public Argument[] getArguments() {
            return method.getArguments();
        }

        @Override
        public Method getTargetMethod() {
            return method.getTargetMethod();
        }

        @Override
        public ReturnType getReturnType() {
            return method.getReturnType();
        }

        @Override
        public Object invoke(Object... arguments) {
            return method.invoke(getTarget(), arguments);
        }

        @NonNull
        @Override
        public ExecutableMethod<?, Object> getExecutableMethod() {
            return (ExecutableMethod<?, Object>) method;
        }
    };
}