com.centurylink.mdw.zipkin

Class TraceServiceMonitor

java.lang.Object

com.centurylink.mdw.zipkin.TraceServiceMonitor

All Implemented Interfaces:

RegisteredService, Monitor, ServiceMonitor

@Monitor(value="Zipkin Service Monitor",
         category=ServiceMonitor.class,
         defaultEnabled=true)
public class TraceServiceMonitor
extends java.lang.Object
implements ServiceMonitor

Constructor Summary

Constructors

Constructor and Description
TraceServiceMonitor()

Method Summary

Modifier and Type	Method and Description
java.lang.Object	onError(java.lang.Throwable t, java.util.Map<java.lang.String,java.lang.String> headers)
java.lang.Object	onRequest(java.lang.Object request, java.util.Map<java.lang.String,java.lang.String> headers) Only for HTTP services.
java.lang.Object	onResponse(java.lang.Object response, java.util.Map<java.lang.String,java.lang.String> headers) Called before the response is sent out from the MDW event handler or camel route.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.centurylink.mdw.monitor.ServiceMonitor

onHandle

Methods inherited from interface com.centurylink.mdw.monitor.Monitor

isEnabled, isOffline

Constructor Detail

TraceServiceMonitor

public TraceServiceMonitor()

Method Detail

onRequest

public java.lang.Object onRequest(java.lang.Object request,
                                  java.util.Map<java.lang.String,java.lang.String> headers)

Only for HTTP services.

Specified by:

onRequest in interface ServiceMonitor

Parameters:

request - Incoming request message content (String, XMLBean, JAXB Element, JSONObject, etc).

headers - Incoming protocol header values. May be modified by the monitor.

Returns:

null, or an alternative request that should be passed on instead of the incoming request

onResponse

public java.lang.Object onResponse(java.lang.Object response,
                                   java.util.Map<java.lang.String,java.lang.String> headers)

Description copied from interface: ServiceMonitor

Called before the response is sent out from the MDW event handler or camel route. Currently must return null or a String.

Specified by:

onResponse in interface ServiceMonitor

Parameters:

response - Outgoing response message content (probably a String, XMLBean or JAXB Element)

headers - Outbound protocol header values. May be modified by the monitor.

Returns:

null, or an alternative response to send back to the service consumer.

onError

public java.lang.Object onError(java.lang.Throwable t,
                                java.util.Map<java.lang.String,java.lang.String> headers)

Specified by:

onError in interface ServiceMonitor

Parameters:

t - Throwable error that was encountered

headers - service meta information

Returns:

alternate response or null