1 files changed, 52 insertions, 0 deletions
diff --git a/impl_core/src/main/java/io/opencensus/implcore/trace/TracerImpl.java b/impl_core/src/main/java/io/opencensus/implcore/trace/TracerImpl.java
new file mode 100644
index 00000000..48df8055
--- /dev/null
+++ b/impl_core/src/main/java/io/opencensus/implcore/trace/TracerImpl.java
@@ -0,0 +1,52 @@
+/*
+ * 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.implcore.trace;
+
+import io.opencensus.common.Clock;
+import io.opencensus.implcore.trace.internal.RandomHandler;
+import io.opencensus.trace.Span;
+import io.opencensus.trace.SpanBuilder;
+import io.opencensus.trace.SpanContext;
+import io.opencensus.trace.Tracer;
+import io.opencensus.trace.config.TraceConfig;
+import javax.annotation.Nullable;
+
+/** Implementation of the {@link Tracer}. */
+public final class TracerImpl extends Tracer {
+  private final SpanBuilderImpl.Options spanBuilderOptions;
+
+  TracerImpl(
+      RandomHandler randomHandler,
+      RecordEventsSpanImpl.StartEndHandler startEndHandler,
+      Clock clock,
+      TraceConfig traceConfig) {
+    spanBuilderOptions =
+        new SpanBuilderImpl.Options(randomHandler, startEndHandler, clock, traceConfig);
+  }
+
+  @Override
+  public SpanBuilder spanBuilderWithExplicitParent(String spanName, @Nullable Span parent) {
+    return SpanBuilderImpl.createWithParent(spanName, parent, spanBuilderOptions);
+  }
+
+  @Override
+  public SpanBuilder spanBuilderWithRemoteParent(
+      String spanName, @Nullable SpanContext remoteParentSpanContext) {
+    return SpanBuilderImpl.createWithRemoteParent(
+        spanName, remoteParentSpanContext, spanBuilderOptions);
+  }
+}