smartthings.brave.cassandra

Class TracedSession

java.lang.Object

com.google.common.reflect.AbstractInvocationHandler

smartthings.brave.cassandra.TracedSession

All Implemented Interfaces:

com.datastax.driver.core.LatencyTracker, InvocationHandler

public class TracedSession
extends com.google.common.reflect.AbstractInvocationHandler
implements com.datastax.driver.core.LatencyTracker

Wraps a Cassandra Session and writes directly to brave's collector to preserve the correct duration. This is a slightly modified version based on: https://github.com/openzipkin/zipkin/blob/master/zipkin-autoconfigure/storage-cassandra/src/main/java/zipkin/autoconfigure/storage/cassandra/brave/TracedSession.java

Method Summary

Modifier and Type	Method and Description
static com.datastax.driver.core.Session	create(com.datastax.driver.core.Session target, com.github.kristofa.brave.Brave brave, String serviceName)
boolean	equals(Object obj)
protected Object	handleInvocation(Object proxy, Method method, Object[] args)
int	hashCode()
void	onRegister(com.datastax.driver.core.Cluster cluster)
void	onUnregister(com.datastax.driver.core.Cluster cluster)
String	toString()
void	update(com.datastax.driver.core.Host host, com.datastax.driver.core.Statement statement, Exception e, long nanos)

Methods inherited from class com.google.common.reflect.AbstractInvocationHandler

invoke

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static com.datastax.driver.core.Session create(com.datastax.driver.core.Session target,
                                                      com.github.kristofa.brave.Brave brave,
                                                      String serviceName)

update

public void update(com.datastax.driver.core.Host host,
                   com.datastax.driver.core.Statement statement,
                   Exception e,
                   long nanos)

Specified by:

update in interface com.datastax.driver.core.LatencyTracker

handleInvocation

protected Object handleInvocation(Object proxy,
                                  Method method,
                                  Object[] args)
                           throws Throwable

Specified by:

handleInvocation in class com.google.common.reflect.AbstractInvocationHandler

Throws:

Throwable

equals

public boolean equals(Object obj)

Overrides:

equals in class com.google.common.reflect.AbstractInvocationHandler

hashCode

public int hashCode()

Overrides:

hashCode in class com.google.common.reflect.AbstractInvocationHandler

toString

public String toString()

Overrides:

toString in class com.google.common.reflect.AbstractInvocationHandler

onRegister

public void onRegister(com.datastax.driver.core.Cluster cluster)

Specified by:

onRegister in interface com.datastax.driver.core.LatencyTracker

onUnregister

public void onUnregister(com.datastax.driver.core.Cluster cluster)

Specified by:

onUnregister in interface com.datastax.driver.core.LatencyTracker