JedisClusterConstructorWithHostAndPortArgInterceptor.java

package org.skywalking.apm.plugin.jedis.v2;

import org.skywalking.apm.agent.core.plugin.interceptor.EnhancedClassInstanceContext;
import org.skywalking.apm.agent.core.plugin.interceptor.enhance.ConstructorInvokeContext;
import org.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
import redis.clients.jedis.HostAndPort;

import static org.skywalking.apm.plugin.jedis.v2.JedisMethodInterceptor.*;

/**
 * {@link JedisClusterConstructorWithHostAndPortArgInterceptor} record the host and port information from {@link
 * EnhancedClassInstanceContext#context}, and each host and port will spilt ;.
 *
 * @author zhangxin
 */
public class JedisClusterConstructorWithHostAndPortArgInterceptor implements InstanceConstructorInterceptor {

    @Override
    public void onConstruct(EnhancedClassInstanceContext context, ConstructorInvokeContext interceptorContext) {
        StringBuilder redisConnInfo = new StringBuilder();
        HostAndPort hostAndPort = (HostAndPort) interceptorContext.allArguments()[0];
        redisConnInfo.append(hostAndPort.toString());
        context.set(KEY_OF_REDIS_CONN_INFO, redisConnInfo.toString());
        context.set(KEY_OF_REDIS_HOST, hostAndPort.getHost());
        context.set(KEY_OF_REDIS_PORT, hostAndPort.getPort());
    }
}