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#859 fix inherited timed annotation #861

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#859 fix inherited timed annotation #861

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2e58448
Initial attempt to fix the issue with inherited resource classes when…
mtakaki Aug 31, 2015
74ae4fa
Fixing issue #859 that did not allow metric annotations on inherited …
mtakaki Sep 1, 2015
1d4212b
Fixing unnecessary import changes
mtakaki Sep 1, 2015
269c6bc
Merge branch '3.1-maintenance' into mtakaki_746_fix_inherited_timed_a…
mtakaki Oct 28, 2016
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Fixing issue #859 that did not allow metric annotations on inherited … 
…resource methods
  • Loading branch information
@mtakaki
mtakaki committed Sep 1, 2015
commit 74ae4fa717e5dca6750a4cd4bd4f94e43c369669
125 changes: 64 additions & 61 deletions ...main/java/com/codahale/metrics/jersey2/InstrumentedResourceMethodApplicationListener.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import org.glassfish.jersey.server.monitoring.ApplicationEventListener;
import org.glassfish.jersey.server.monitoring.RequestEvent;
import org.glassfish.jersey.server.monitoring.RequestEventListener;
import org.omg.CORBA.DefinitionKind;

import javax.ws.rs.core.Configuration;
import javax.ws.rs.ext.Provider;
Expand All @@ -35,14 +36,13 @@
* request events indicating that the method is about to be invoked, or just got done
* being invoked.
*/

@Provider
public class InstrumentedResourceMethodApplicationListener implements ApplicationEventListener, ModelProcessor {

private final MetricRegistry metrics;
private ConcurrentMap<Method, Timer> timers = new ConcurrentHashMap<>();
private ConcurrentMap<Method, Meter> meters = new ConcurrentHashMap<>();
private ConcurrentMap<Method, ExceptionMeterMetric> exceptionMeters = new ConcurrentHashMap<>();
private final ConcurrentMap<String, Timer> timers = new ConcurrentHashMap<>();
private final ConcurrentMap<String, Meter> meters = new ConcurrentHashMap<>();
private final ConcurrentMap<String, ExceptionMeterMetric> exceptionMeters = new ConcurrentHashMap<>();

/**
* Construct an application event listener using the given metrics registry.
Expand All @@ -68,29 +68,34 @@ private static class ExceptionMeterMetric {

public ExceptionMeterMetric(final MetricRegistry registry,
final Class<?> handlerClass,
final ResourceMethod method,
final Method definitionMethod,
final ExceptionMetered exceptionMetered) {
final String name = chooseName(exceptionMetered.name(),
exceptionMetered.absolute(), handlerClass, method, ExceptionMetered.DEFAULT_NAME_SUFFIX);
exceptionMetered.absolute(), handlerClass, definitionMethod, ExceptionMetered.DEFAULT_NAME_SUFFIX);
this.meter = registry.meter(name);
this.cause = exceptionMetered.cause();
}
}

private static class TimerRequestEventListener implements RequestEventListener {
private final ConcurrentMap<Method, Timer> timers;
private final ConcurrentMap<String, Timer> timers;
private Timer.Context context = null;

public TimerRequestEventListener(final ConcurrentMap<Method, Timer> timers) {
public TimerRequestEventListener(final ConcurrentMap<String, Timer> timers) {
this.timers = timers;
}

@Override
public void onEvent(RequestEvent event) {
if (event.getType() == RequestEvent.Type.RESOURCE_METHOD_START) {
final Timer timer = this.timers.get(event.getUriInfo()
.getMatchedResourceMethod().getInvocable().getHandlingMethod());
if (timer != null) {
final ResourceMethod method = event.getUriInfo().getMatchedResourceMethod();
final Invocable methodInvocable = method.getInvocable();
final Method definitionMethod = methodInvocable.getDefinitionMethod();
final Timed annotation = definitionMethod.getAnnotation(Timed.class);

if (annotation != null) {
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
final Timer timer = this.timers.get(chooseName(annotation.name(), annotation.absolute(), handlerClass, definitionMethod));
this.context = timer.time();
}
} else if (event.getType() == RequestEvent.Type.RESOURCE_METHOD_FINISHED) {
Expand All @@ -102,43 +107,55 @@ public void onEvent(RequestEvent event) {
}

private static class MeterRequestEventListener implements RequestEventListener {
private final ConcurrentMap<Method, Meter> meters;
private final ConcurrentMap<String, Meter> meters;

public MeterRequestEventListener(final ConcurrentMap<Method, Meter> meters) {
public MeterRequestEventListener(final ConcurrentMap<String, Meter> meters) {
this.meters = meters;
}

@Override
public void onEvent(RequestEvent event) {
if (event.getType() == RequestEvent.Type.RESOURCE_METHOD_START) {
final Meter meter = this.meters.get(event.getUriInfo()
.getMatchedResourceMethod().getInvocable().getDefinitionMethod());
if (meter != null) {
final ResourceMethod method = event.getUriInfo().getMatchedResourceMethod();
final Invocable methodInvocable = method.getInvocable();
final Method definitionMethod = methodInvocable.getDefinitionMethod();
final Metered annotation = definitionMethod.getAnnotation(Metered.class);

if (annotation != null) {
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
final Meter meter = this.meters.get(chooseName(annotation.name(), annotation.absolute(), handlerClass, definitionMethod));
meter.mark();
}
}
}
}

private static class ExceptionMeterRequestEventListener implements RequestEventListener {
private final ConcurrentMap<Method, ExceptionMeterMetric> exceptionMeters;
private final ConcurrentMap<String, ExceptionMeterMetric> exceptionMeters;

public ExceptionMeterRequestEventListener(final ConcurrentMap<Method, ExceptionMeterMetric> exceptionMeters) {
public ExceptionMeterRequestEventListener(final ConcurrentMap<String, ExceptionMeterMetric> exceptionMeters) {
this.exceptionMeters = exceptionMeters;
}

@Override
public void onEvent(RequestEvent event) {
if (event.getType() == RequestEvent.Type.ON_EXCEPTION) {
final ResourceMethod method = event.getUriInfo().getMatchedResourceMethod();
final ExceptionMeterMetric metric = (method != null) ?
this.exceptionMeters.get(method.getInvocable().getDefinitionMethod()) : null;

if (metric != null) {
if (metric.cause.isAssignableFrom(event.getException().getClass()) ||
(event.getException().getCause() != null &&
metric.cause.isAssignableFrom(event.getException().getCause().getClass()))) {
metric.meter.mark();

if (method != null) {
final Invocable methodInvocable = method.getInvocable();
final Method definitionMethod = methodInvocable.getDefinitionMethod();
final ExceptionMetered annotation = definitionMethod.getAnnotation(ExceptionMetered.class);

if (annotation != null) {
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
final ExceptionMeterMetric metric = this.exceptionMeters.get(chooseName(annotation.name(), annotation.absolute(), handlerClass, definitionMethod));

if (metric.cause.isAssignableFrom(event.getException().getClass()) ||
(event.getException().getCause() != null &&
metric.cause.isAssignableFrom(event.getException().getCause().getClass()))) {
metric.meter.mark();
}
}
}
}
Expand Down Expand Up @@ -209,63 +226,49 @@ public RequestEventListener onRequest(final RequestEvent event) {

private void registerTimedAnnotations(final ResourceMethod method) {
final Invocable methodInvocable = method.getInvocable();
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
final Method handlingMethod = methodInvocable.getHandlingMethod();
final Timed annotation = handlingMethod.getAnnotation(Timed.class);
final Method definitionMethod = methodInvocable.getDefinitionMethod();
final Timed annotation = definitionMethod.getAnnotation(Timed.class);

if (annotation != null) {
timers.putIfAbsent(handlingMethod, timerMetric(this.metrics, handlerClass, method, annotation));
if (annotation != null) {
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
String methodName = chooseName(annotation.name(), annotation.absolute(), handlerClass, definitionMethod);
timers.putIfAbsent(methodName, this.metrics.timer(methodName));
}
}

private void registerMeteredAnnotations(final ResourceMethod method) {
final Invocable methodInvocable = method.getInvocable();
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
final Method handlingMethod = methodInvocable.getHandlingMethod();
final Metered annotation = handlingMethod.getAnnotation(Metered.class);
final Method definitionMethod = methodInvocable.getDefinitionMethod();
final Metered annotation = definitionMethod.getAnnotation(Metered.class);

if (annotation != null) {
meters.putIfAbsent(handlingMethod, meterMetric(metrics, handlerClass, method, annotation));
if (annotation != null) {
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
String methodName = chooseName(annotation.name(), annotation.absolute(), handlerClass, definitionMethod);
meters.putIfAbsent(methodName, this.metrics.meter(methodName));
}
}

private void registerExceptionMeteredAnnotations(final ResourceMethod method) {
final Invocable methodInvocable = method.getInvocable();
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
final Method handlingMethod = methodInvocable.getHandlingMethod();
final ExceptionMetered annotation = handlingMethod.getAnnotation(ExceptionMetered.class);
final Method definitionMethod = methodInvocable.getDefinitionMethod();
final ExceptionMetered annotation = definitionMethod.getAnnotation(ExceptionMetered.class);

if (annotation != null) {
exceptionMeters.putIfAbsent(handlingMethod, new ExceptionMeterMetric(metrics, handlerClass, method, annotation));
if (annotation != null) {
final Class<?> handlerClass = methodInvocable.getHandler().getHandlerClass();
String methodName = chooseName(annotation.name(), annotation.absolute(), handlerClass, definitionMethod);
exceptionMeters.putIfAbsent(methodName, new ExceptionMeterMetric(metrics, handlerClass, definitionMethod, annotation));
}
}

private static Timer timerMetric(final MetricRegistry registry,
final Class<?> handlerClass,
final ResourceMethod method,
final Timed timed) {
final String name = chooseName(timed.name(), timed.absolute(), handlerClass, method);
return registry.timer(name);
}

private static Meter meterMetric(final MetricRegistry registry,
final Class<?> handlerClass,
final ResourceMethod method,
final Metered metered) {
final String name = chooseName(metered.name(), metered.absolute(), handlerClass, method);
return registry.meter(name);
}

protected static String chooseName(final String explicitName, final boolean absolute, final Class<?> handlerClass,
final ResourceMethod method, final String... suffixes) {
protected static String chooseName(final String explicitName, final boolean absolute, final Class<?> handlerClass,
final Method definitionMethod, final String... suffixes) {
if (explicitName != null && !explicitName.isEmpty()) {
if (absolute) {
return explicitName;
}
return name(handlerClass, explicitName);
}

return name(name(handlerClass, method.getInvocable().getDefinitionMethod().getName()),
suffixes);
return name(name(handlerClass, definitionMethod.getName()), suffixes);
}
}
102 changes: 99 additions & 3 deletions metrics-jersey2/src/test/java/com/codahale/metrics/jersey2/SingletonMetricsJerseyTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.Timer;
import com.codahale.metrics.jersey2.resources.InstrumentedChildResource;
import com.codahale.metrics.jersey2.resources.InstrumentedParentResource;
import com.codahale.metrics.jersey2.resources.InstrumentedResource;
import com.codahale.metrics.jersey2.resources.InstrumentedSecondChildResource;
import com.codahale.metrics.jersey2.resources.InstrumentedSubResource;
Expand Down Expand Up @@ -61,15 +60,39 @@ public void timedMethodsAreTimed() {

assertThat(timer.getCount()).isEqualTo(1);
}


@Test
public void absoluteTimedMethodsAreTimed() {
assertThat(target("timed/absolute")
.request()
.get(String.class))
.isEqualTo("yay");

final Timer timer = registry.timer("absoluteTimed");

assertThat(timer.getCount()).isEqualTo(1);
}

@Test
public void namedTimedMethodsAreTimed() {
assertThat(target("timed/named")
.request()
.get(String.class))
.isEqualTo("yay");

final Timer timer = registry.timer(name(InstrumentedResource.class, "namedTimed"));

assertThat(timer.getCount()).isEqualTo(1);
}

@Test
public void childTimedMethodsAreTimed() {
assertThat(target("/child/timed")
.request()
.get(String.class))
.isEqualTo("yay");

final Timer timer = registry.timer(name(InstrumentedParentResource.class, "timed"));
final Timer timer = registry.timer(name(InstrumentedChildResource.class, "timed"));

assertThat(timer.getCount()).isEqualTo(1);
}
Expand All @@ -85,6 +108,28 @@ public void meteredMethodsAreMetered() {
assertThat(meter.getCount()).isEqualTo(1);
}

@Test
public void absoluteMeteredMethodsAreMetered() {
assertThat(target("metered/absolute")
.request()
.get(String.class))
.isEqualTo("woo");

final Meter meter = registry.meter("absoluteMetered");
assertThat(meter.getCount()).isEqualTo(1);
}

@Test
public void namedMeteredMethodsAreMetered() {
assertThat(target("metered/named")
.request()
.get(String.class))
.isEqualTo("woo");

final Meter meter = registry.meter(name(InstrumentedResource.class, "namedMetered"));
assertThat(meter.getCount()).isEqualTo(1);
}

@Test
public void exceptionMeteredMethodsAreExceptionMetered() {
final Meter meter = registry.meter(name(InstrumentedResource.class,
Expand Down Expand Up @@ -112,6 +157,57 @@ public void exceptionMeteredMethodsAreExceptionMetered() {
assertThat(meter.getCount()).isEqualTo(1);
}

@Test
public void absoluteExceptionMeteredMethodsAreExceptionMetered() {
final Meter meter = registry.meter("absoluteExceptionMetered");

assertThat(target("exception-metered/absolute")
.request()
.get(String.class))
.isEqualTo("fuh");

assertThat(meter.getCount()).isZero();

try {
target("exception-metered/absolute")
.queryParam("splode", true)
.request()
.get(String.class);

failBecauseExceptionWasNotThrown(ProcessingException.class);
} catch (ProcessingException e) {
assertThat(e.getCause()).isInstanceOf(IOException.class);
}

assertThat(meter.getCount()).isEqualTo(1);
}

@Test
public void namedExceptionMeteredMethodsAreExceptionMetered() {
final Meter meter = registry.meter(name(InstrumentedResource.class,
"namedExceptionMeteredOtherName"));

assertThat(target("exception-metered/named")
.request()
.get(String.class))
.isEqualTo("fuh");

assertThat(meter.getCount()).isZero();

try {
target("exception-metered/named")
.queryParam("splode", true)
.request()
.get(String.class);

failBecauseExceptionWasNotThrown(ProcessingException.class);
} catch (ProcessingException e) {
assertThat(e.getCause()).isInstanceOf(IOException.class);
}

assertThat(meter.getCount()).isEqualTo(1);
}

@Test
public void testResourceNotFound() {
final Response response = target().path("not-found").request().get();
Expand Down
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