Move implementation directories (#786)

* Move directories: core_impl to impl_core, core_impl_java to impl, core_impl_android to impl_lite.

1 files changed, 33 insertions, 0 deletions

diff --git a/impl_core/src/main/java/io/opencensus/implcore/tags/TagContextUtils.java b/impl_core/src/main/java/io/opencensus/implcore/tags/TagContextUtils.java
new file mode 100644
index 00000000..5fbc5050
--- /dev/null
+++ b/impl_core/src/main/java/io/opencensus/implcore/tags/TagContextUtils.java
@@ -0,0 +1,33 @@
+/*
+ * 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.tags;
+
+import io.opencensus.tags.Tag;
+
+final class TagContextUtils {
+  private TagContextUtils() {}
+
+  /**
+   * Add a {@code Tag} of any type to a builder.
+   *
+   * @param tag tag containing the key and value to set.
+   * @param builder the builder to update.
+   */
+  static void addTagToBuilder(Tag tag, TagContextBuilderImpl builder) {
+    builder.put(tag.getKey(), tag.getValue());
+  }
+}