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

Example 11 with ExecutableMethod

use of io.micronaut.inject.ExecutableMethod in project resilience4j by resilience4j.

the class CircuitBreakerInterceptor method intercept.

@Override
public Object intercept(MethodInvocationContext<Object, Object> context) {
    Optional<AnnotationValue<io.github.resilience4j.micronaut.annotation.CircuitBreaker>> opt = context.findAnnotation(io.github.resilience4j.micronaut.annotation.CircuitBreaker.class);
    if (!opt.isPresent()) {
        return context.proceed();
    }
    ExecutableMethod executableMethod = context.getExecutableMethod();
    final String name = executableMethod.stringValue(io.github.resilience4j.micronaut.annotation.CircuitBreaker.class, "name").orElse("default");
    CircuitBreaker circuitBreaker = this.circuitBreakerRegistry.circuitBreaker(name);
    InterceptedMethod interceptedMethod = InterceptedMethod.of(context);
    try {
        switch(interceptedMethod.resultType()) {
            case PUBLISHER:
                return interceptedMethod.handleResult(fallbackReactiveTypes(Flowable.fromPublisher(interceptedMethod.interceptResultAsPublisher()).compose(CircuitBreakerOperator.of(circuitBreaker)), context));
            case COMPLETION_STAGE:
                return interceptedMethod.handleResult(fallbackForFuture(circuitBreaker.executeCompletionStage(() -> {
                    try {
                        return interceptedMethod.interceptResultAsCompletionStage();
                    } catch (Exception e) {
                        throw new CompletionException(e);
                    }
                }), context));
            case SYNCHRONOUS:
                try {
                    return circuitBreaker.executeCheckedSupplier(context::proceed);
                } catch (Throwable exception) {
                    return fallback(context, exception);
                }
            default:
                return interceptedMethod.unsupported();
        }
    } catch (Exception e) {
        return interceptedMethod.handleException(e);
    }
}

Example 12 with ExecutableMethod

use of io.micronaut.inject.ExecutableMethod in project resilience4j by resilience4j.

the class RateLimiterInterceptor method findFallbackMethod.

/**
 * Finds a fallback method for the given context.
 *
 * @param context The context
 * @return The fallback method if it is present
 */
public Optional<? extends MethodExecutionHandle<?, Object>> findFallbackMethod(MethodInvocationContext<Object, Object> context) {
    ExecutableMethod executableMethod = context.getExecutableMethod();
    final String fallbackMethod = executableMethod.stringValue(io.github.resilience4j.micronaut.annotation.RateLimiter.class, "fallbackMethod").orElse("");
    Class<?> declaringType = context.getDeclaringType();
    return executionHandleLocator.findExecutionHandle(declaringType, fallbackMethod, context.getArgumentTypes());
}

Example 13 with ExecutableMethod

use of io.micronaut.inject.ExecutableMethod in project resilience4j by resilience4j.

the class TimeLimiterInterceptor method intercept.

@Override
public Object intercept(MethodInvocationContext<Object, Object> context) {
    Optional<AnnotationValue<io.github.resilience4j.micronaut.annotation.TimeLimiter>> opt = context.findAnnotation(io.github.resilience4j.micronaut.annotation.TimeLimiter.class);
    if (!opt.isPresent()) {
        return context.proceed();
    }
    ExecutableMethod executableMethod = context.getExecutableMethod();
    final String name = executableMethod.stringValue(io.github.resilience4j.micronaut.annotation.TimeLimiter.class).orElse("default");
    TimeLimiter timeLimiter = this.timeLimiterRegistry.timeLimiter(name);
    InterceptedMethod interceptedMethod = InterceptedMethod.of(context);
    try {
        switch(interceptedMethod.resultType()) {
            case PUBLISHER:
                return interceptedMethod.handleResult(fallbackReactiveTypes(Flowable.fromPublisher(interceptedMethod.interceptResultAsPublisher()).compose(TimeLimiterTransformer.of(timeLimiter)), context));
            case COMPLETION_STAGE:
                return interceptedMethod.handleResult(fallbackForFuture(timeLimiter.executeCompletionStage(executorService, () -> {
                    try {
                        return interceptedMethod.interceptResultAsCompletionStage();
                    } catch (Exception e) {
                        throw new CompletionException(e);
                    }
                }), context));
            case SYNCHRONOUS:
                try {
                    return timeLimiter.executeFutureSupplier(() -> CompletableFuture.supplyAsync(context::proceed));
                } catch (Throwable exception) {
                    return fallback(context, exception);
                }
            default:
                return interceptedMethod.unsupported();
        }
    } catch (Exception e) {
        return interceptedMethod.handleException(e);
    }
}

Example 14 with ExecutableMethod

use of io.micronaut.inject.ExecutableMethod in project resilience4j by resilience4j.

the class TimeLimiterInterceptor method findFallbackMethod.

/**
 * Finds a fallback method for the given context.
 *
 * @param context The context
 * @return The fallback method if it is present
 */
@Override
public Optional<? extends MethodExecutionHandle<?, Object>> findFallbackMethod(MethodInvocationContext<Object, Object> context) {
    ExecutableMethod executableMethod = context.getExecutableMethod();
    final String fallbackMethod = executableMethod.stringValue(io.github.resilience4j.micronaut.annotation.TimeLimiter.class, "fallbackMethod").orElse("");
    Class<?> declaringType = context.getDeclaringType();
    return executionHandleLocator.findExecutionHandle(declaringType, fallbackMethod, context.getArgumentTypes());
}

Example 15 with ExecutableMethod

use of io.micronaut.inject.ExecutableMethod in project micronaut-kafka by micronaut-projects.

the class KafkaConsumerProcessor method configureDeserializers.

private void configureDeserializers(final ExecutableMethod<?, ?> method, final DefaultKafkaConsumerConfiguration consumerConfiguration) {
    final Properties properties = consumerConfiguration.getConfig();
    // figure out the Key deserializer
    final Argument<?> bodyArgument = findBodyArgument(method);
    if (!properties.containsKey(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG) && !consumerConfiguration.getKeyDeserializer().isPresent()) {
        final Optional<Argument<?>> keyArgument = Arrays.stream(method.getArguments()).filter(arg -> arg.isAnnotationPresent(KafkaKey.class)).findFirst();
        if (keyArgument.isPresent()) {
            consumerConfiguration.setKeyDeserializer(serdeRegistry.pickDeserializer(keyArgument.get()));
        } else {
            // noinspection SingleStatementInBlock
            if (bodyArgument != null && ConsumerRecord.class.isAssignableFrom(bodyArgument.getType())) {
                final Optional<Argument<?>> keyType = bodyArgument.getTypeVariable("K");
                if (keyType.isPresent()) {
                    consumerConfiguration.setKeyDeserializer(serdeRegistry.pickDeserializer(keyType.get()));
                } else {
                    consumerConfiguration.setKeyDeserializer(new ByteArrayDeserializer());
                }
            } else {
                consumerConfiguration.setKeyDeserializer(new ByteArrayDeserializer());
            }
        }
    }
    // figure out the Value deserializer
    if (!properties.containsKey(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG) && !consumerConfiguration.getValueDeserializer().isPresent()) {
        if (bodyArgument == null) {
            // noinspection SingleStatementInBlock
            consumerConfiguration.setValueDeserializer(new StringDeserializer());
        } else {
            if (ConsumerRecord.class.isAssignableFrom(bodyArgument.getType())) {
                final Optional<Argument<?>> valueType = bodyArgument.getTypeVariable("V");
                if (valueType.isPresent()) {
                    consumerConfiguration.setValueDeserializer(serdeRegistry.pickDeserializer(valueType.get()));
                } else {
                    consumerConfiguration.setValueDeserializer(new StringDeserializer());
                }
            } else {
                final boolean batch = method.isTrue(KafkaListener.class, "batch");
                consumerConfiguration.setValueDeserializer(serdeRegistry.pickDeserializer(batch ? getComponentType(bodyArgument) : bodyArgument));
            }
        }
    }
    debugDeserializationConfiguration(method, consumerConfiguration, properties);
}