Mode classes for metrics data model in the exporter package. (#1480)

* Mode classes for metrics data model in the exporter package. Consistent with trace.

* Fix test class coments.

10 files changed, 16 insertions, 15 deletions

diff --git a/api/src/main/java/io/opencensus/metrics/MetricRegistry.java b/api/src/main/java/io/opencensus/metrics/MetricRegistry.java
index c249d47b..a9987b75 100644
--- a/api/src/main/java/io/opencensus/metrics/MetricRegistry.java
+++ b/api/src/main/java/io/opencensus/metrics/MetricRegistry.java
@@ -24,7 +24,7 @@ import java.util.LinkedHashMap;
 
 /**
  * Creates and manages your application's set of metrics. The default implementation of this creates
- * a {@link MetricProducer} and registers it to the global {@link
+ * a {@link io.opencensus.metrics.export.MetricProducer} and registers it to the global {@link
  * io.opencensus.metrics.export.MetricProducerManager}.
  *
  * @since 0.17
diff --git a/api/src/main/java/io/opencensus/metrics/Distribution.java b/api/src/main/java/io/opencensus/metrics/export/Distribution.java
index 9294b838..dc9fa9e9 100644
--- a/api/src/main/java/io/opencensus/metrics/Distribution.java
+++ b/api/src/main/java/io/opencensus/metrics/export/Distribution.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.ExperimentalApi;
diff --git a/api/src/main/java/io/opencensus/metrics/Metric.java b/api/src/main/java/io/opencensus/metrics/export/Metric.java
index 0c108b56..07fe356a 100644
--- a/api/src/main/java/io/opencensus/metrics/Metric.java
+++ b/api/src/main/java/io/opencensus/metrics/export/Metric.java
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.ExperimentalApi;
 import io.opencensus.internal.Utils;
-import io.opencensus.metrics.Value.ValueDistribution;
-import io.opencensus.metrics.Value.ValueDouble;
-import io.opencensus.metrics.Value.ValueLong;
-import io.opencensus.metrics.Value.ValueSummary;
+import io.opencensus.metrics.export.Value.ValueDistribution;
+import io.opencensus.metrics.export.Value.ValueDouble;
+import io.opencensus.metrics.export.Value.ValueLong;
+import io.opencensus.metrics.export.Value.ValueSummary;
 import java.util.List;
 import javax.annotation.concurrent.Immutable;
 
diff --git a/api/src/main/java/io/opencensus/metrics/MetricDescriptor.java b/api/src/main/java/io/opencensus/metrics/export/MetricDescriptor.java
index 5146cd85..a4629f8e 100644
--- a/api/src/main/java/io/opencensus/metrics/MetricDescriptor.java
+++ b/api/src/main/java/io/opencensus/metrics/export/MetricDescriptor.java
@@ -14,11 +14,12 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.ExperimentalApi;
 import io.opencensus.internal.Utils;
+import io.opencensus.metrics.LabelKey;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
diff --git a/api/src/main/java/io/opencensus/metrics/MetricProducer.java b/api/src/main/java/io/opencensus/metrics/export/MetricProducer.java
index 86f9732f..739a0a9f 100644
--- a/api/src/main/java/io/opencensus/metrics/MetricProducer.java
+++ b/api/src/main/java/io/opencensus/metrics/export/MetricProducer.java
@@ -14,10 +14,9 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import io.opencensus.common.ExperimentalApi;
-import io.opencensus.metrics.export.MetricProducerManager;
 import java.util.Collection;
 
 /**
diff --git a/api/src/main/java/io/opencensus/metrics/export/MetricProducerManager.java b/api/src/main/java/io/opencensus/metrics/export/MetricProducerManager.java
index fc864200..304d9294 100644
--- a/api/src/main/java/io/opencensus/metrics/export/MetricProducerManager.java
+++ b/api/src/main/java/io/opencensus/metrics/export/MetricProducerManager.java
@@ -18,7 +18,6 @@ package io.opencensus.metrics.export;
 
 import io.opencensus.common.ExperimentalApi;
 import io.opencensus.internal.Utils;
-import io.opencensus.metrics.MetricProducer;
 import java.util.Collections;
 import java.util.Set;
 import javax.annotation.concurrent.ThreadSafe;
diff --git a/api/src/main/java/io/opencensus/metrics/Point.java b/api/src/main/java/io/opencensus/metrics/export/Point.java
index 9ef7c15b..1f382f9b 100644
--- a/api/src/main/java/io/opencensus/metrics/Point.java
+++ b/api/src/main/java/io/opencensus/metrics/export/Point.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.ExperimentalApi;
diff --git a/api/src/main/java/io/opencensus/metrics/Summary.java b/api/src/main/java/io/opencensus/metrics/export/Summary.java
index f23667bb..c82ca961 100644
--- a/api/src/main/java/io/opencensus/metrics/Summary.java
+++ b/api/src/main/java/io/opencensus/metrics/export/Summary.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.ExperimentalApi;
diff --git a/api/src/main/java/io/opencensus/metrics/TimeSeries.java b/api/src/main/java/io/opencensus/metrics/export/TimeSeries.java
index d504dad9..959f55ba 100644
--- a/api/src/main/java/io/opencensus/metrics/TimeSeries.java
+++ b/api/src/main/java/io/opencensus/metrics/export/TimeSeries.java
@@ -14,12 +14,14 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.ExperimentalApi;
 import io.opencensus.common.Timestamp;
 import io.opencensus.internal.Utils;
+import io.opencensus.metrics.LabelKey;
+import io.opencensus.metrics.LabelValue;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
diff --git a/api/src/main/java/io/opencensus/metrics/Value.java b/api/src/main/java/io/opencensus/metrics/export/Value.java
index 1bc63b79..00a939c0 100644
--- a/api/src/main/java/io/opencensus/metrics/Value.java
+++ b/api/src/main/java/io/opencensus/metrics/export/Value.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.ExperimentalApi;