de.codecentric.spring.boot.chaos.monkey.watcher.SpringRepositoryAspect.java Source code

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Here is the source code for de.codecentric.spring.boot.chaos.monkey.watcher.SpringRepositoryAspect.java

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/*
 * Copyright 2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.codecentric.spring.boot.chaos.monkey.watcher;

import de.codecentric.spring.boot.chaos.monkey.component.ChaosMonkey;
import de.codecentric.spring.boot.chaos.monkey.component.MetricEventPublisher;
import de.codecentric.spring.boot.chaos.monkey.component.MetricType;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;

/**
 * @author Benjamin Wilms
 */

@Aspect
public class SpringRepositoryAspect extends ChaosMonkeyBaseAspect {

    private final ChaosMonkey chaosMonkey;
    private MetricEventPublisher metricEventPublisher;

    public SpringRepositoryAspect(ChaosMonkey chaosMonkey, MetricEventPublisher metricEventPublisher) {
        this.chaosMonkey = chaosMonkey;
        this.metricEventPublisher = metricEventPublisher;
    }

    @Pointcut("this(org.springframework.data.repository.CrudRepository) || within(@org.springframework.data.repository.RepositoryDefinition *)")
    public void implementsCrudRepository() {

    }

    @Around("implementsCrudRepository() && allPublicMethodPointcut() && !classInChaosMonkeyPackage()")
    public Object intercept(ProceedingJoinPoint pjp) throws Throwable {

        // metrics
        if (metricEventPublisher != null)
            metricEventPublisher.publishMetricEvent(calculatePointcut(pjp.toShortString()), MetricType.REPOSITORY);

        MethodSignature signature = (MethodSignature) pjp.getSignature();

        chaosMonkey.callChaosMonkey(createSignature(signature));

        return pjp.proceed();
    }

}