Merge remote-tracking branch 'aosp/upstream-master' into merge am: dd3cabeacc am: 6fbc3cf5a1

am: 13217871fe

Change-Id: Icfe12d6db2f81a6f5c65241919b1d63fb665ffd6

1 files changed, 65 insertions, 0 deletions

diff --git a/impl_lite/src/main/java/io/opencensus/impllite/trace/TraceComponentImplLite.java b/impl_lite/src/main/java/io/opencensus/impllite/trace/TraceComponentImplLite.java
new file mode 100644
index 00000000..8c067557
--- /dev/null
+++ b/impl_lite/src/main/java/io/opencensus/impllite/trace/TraceComponentImplLite.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2017, OpenCensus Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.opencensus.impllite.trace;
+
+import io.opencensus.common.Clock;
+import io.opencensus.implcore.common.MillisClock;
+import io.opencensus.implcore.internal.SimpleEventQueue;
+import io.opencensus.implcore.trace.TraceComponentImplBase;
+import io.opencensus.implcore.trace.internal.RandomHandler.SecureRandomHandler;
+import io.opencensus.trace.TraceComponent;
+import io.opencensus.trace.Tracer;
+import io.opencensus.trace.config.TraceConfig;
+import io.opencensus.trace.export.ExportComponent;
+import io.opencensus.trace.propagation.PropagationComponent;
+
+/** Android-compatible implementation of the {@link TraceComponent}. */
+public final class TraceComponentImplLite extends TraceComponent {
+  private final TraceComponentImplBase traceComponentImplBase;
+
+  /** Public constructor to be used with reflection loading. */
+  public TraceComponentImplLite() {
+    traceComponentImplBase =
+        new TraceComponentImplBase(
+            MillisClock.getInstance(), new SecureRandomHandler(), new SimpleEventQueue());
+  }
+
+  @Override
+  public Tracer getTracer() {
+    return traceComponentImplBase.getTracer();
+  }
+
+  @Override
+  public PropagationComponent getPropagationComponent() {
+    return traceComponentImplBase.getPropagationComponent();
+  }
+
+  @Override
+  public Clock getClock() {
+    return traceComponentImplBase.getClock();
+  }
+
+  @Override
+  public ExportComponent getExportComponent() {
+    return traceComponentImplBase.getExportComponent();
+  }
+
+  @Override
+  public TraceConfig getTraceConfig() {
+    return traceComponentImplBase.getTraceConfig();
+  }
+}