Change the interface of Logging service to enforce that maximum one instance is registered at any moment. Change examples to use the logging service exporter. (#301)

3 files changed, 6 insertions, 0 deletions

diff --git a/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansContextTracing.java b/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansContextTracing.java
index d00c1869..c83b11d9 100644
--- a/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansContextTracing.java
+++ b/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansContextTracing.java
@@ -15,6 +15,7 @@ package com.google.instrumentation.examples.trace;
 
 import com.google.instrumentation.common.NonThrowingCloseable;
 import com.google.instrumentation.trace.Span;
+import com.google.instrumentation.trace.TraceExporter;
 import com.google.instrumentation.trace.Tracer;
 import com.google.instrumentation.trace.Tracing;
 
@@ -47,6 +48,7 @@ public final class MultiSpansContextTracing {
 
   /** Main method. */
   public static void main(String[] args) {
+    TraceExporter.LoggingServiceHandler.registerService(Tracing.getTraceExporter());
     Span span = tracer.spanBuilder("MyRootSpan").becomeRoot().startSpan();
     try (NonThrowingCloseable ws = tracer.withSpan(span)) {
       doWork();
diff --git a/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansScopedTracing.java b/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansScopedTracing.java
index 25279f21..be7672d7 100644
--- a/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansScopedTracing.java
+++ b/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansScopedTracing.java
@@ -15,6 +15,7 @@ package com.google.instrumentation.examples.trace;
 
 import com.google.instrumentation.common.NonThrowingCloseable;
 import com.google.instrumentation.trace.Span;
+import com.google.instrumentation.trace.TraceExporter;
 import com.google.instrumentation.trace.Tracer;
 import com.google.instrumentation.trace.Tracing;
 
@@ -45,6 +46,7 @@ public final class MultiSpansScopedTracing {
 
   /** Main method. */
   public static void main(String[] args) {
+    TraceExporter.LoggingServiceHandler.registerService(Tracing.getTraceExporter());
     try (NonThrowingCloseable ss =
         tracer.spanBuilder("MyRootSpan").becomeRoot().startScopedSpan()) {
       doWork();
diff --git a/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansTracing.java b/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansTracing.java
index b3c3dbcd..5268a797 100644
--- a/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansTracing.java
+++ b/examples/src/main/java/com/google/instrumentation/examples/trace/MultiSpansTracing.java
@@ -14,6 +14,7 @@
 package com.google.instrumentation.examples.trace;
 
 import com.google.instrumentation.trace.Span;
+import com.google.instrumentation.trace.TraceExporter;
 import com.google.instrumentation.trace.Tracer;
 import com.google.instrumentation.trace.Tracing;
 
@@ -34,6 +35,7 @@ public final class MultiSpansTracing {
 
   /** Main method. */
   public static void main(String[] args) {
+    TraceExporter.LoggingServiceHandler.registerService(Tracing.getTraceExporter());
     doWork();
   }
 }