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.

8 files changed, 25 insertions, 22 deletions

diff --git a/api/src/test/java/io/opencensus/metrics/DistributionTest.java b/api/src/test/java/io/opencensus/metrics/export/DistributionTest.java
index 5ee88dd6..0be4b5d1 100644
--- a/api/src/test/java/io/opencensus/metrics/DistributionTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/DistributionTest.java
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.testing.EqualsTester;
 import io.opencensus.common.Timestamp;
-import io.opencensus.metrics.Distribution.Bucket;
-import io.opencensus.metrics.Distribution.Exemplar;
+import io.opencensus.metrics.export.Distribution.Bucket;
+import io.opencensus.metrics.export.Distribution.Exemplar;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
diff --git a/api/src/test/java/io/opencensus/metrics/MetricDescriptorTest.java b/api/src/test/java/io/opencensus/metrics/export/MetricDescriptorTest.java
index 9c0a42fc..502170c6 100644
--- a/api/src/test/java/io/opencensus/metrics/MetricDescriptorTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/MetricDescriptorTest.java
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.testing.EqualsTester;
-import io.opencensus.metrics.MetricDescriptor.Type;
+import io.opencensus.metrics.LabelKey;
+import io.opencensus.metrics.export.MetricDescriptor.Type;
 import java.util.Arrays;
 import java.util.List;
 import org.hamcrest.CoreMatchers;
diff --git a/api/src/test/java/io/opencensus/metrics/export/MetricProducerManagerTest.java b/api/src/test/java/io/opencensus/metrics/export/MetricProducerManagerTest.java
index 07854927..1025427f 100644
--- a/api/src/test/java/io/opencensus/metrics/export/MetricProducerManagerTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/MetricProducerManagerTest.java
@@ -18,7 +18,6 @@ package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import io.opencensus.metrics.MetricProducer;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/api/src/test/java/io/opencensus/metrics/MetricTest.java b/api/src/test/java/io/opencensus/metrics/export/MetricTest.java
index 37deed4b..0b1ecf65 100644
--- a/api/src/test/java/io/opencensus/metrics/MetricTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/MetricTest.java
@@ -14,13 +14,15 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.testing.EqualsTester;
 import io.opencensus.common.Timestamp;
-import io.opencensus.metrics.MetricDescriptor.Type;
+import io.opencensus.metrics.LabelKey;
+import io.opencensus.metrics.LabelValue;
+import io.opencensus.metrics.export.MetricDescriptor.Type;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
diff --git a/api/src/test/java/io/opencensus/metrics/PointTest.java b/api/src/test/java/io/opencensus/metrics/export/PointTest.java
index 708814c5..da5b83dc 100644
--- a/api/src/test/java/io/opencensus/metrics/PointTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/PointTest.java
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.testing.EqualsTester;
 import io.opencensus.common.Timestamp;
-import io.opencensus.metrics.Distribution.Bucket;
+import io.opencensus.metrics.export.Distribution.Bucket;
 import java.util.Arrays;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/api/src/test/java/io/opencensus/metrics/SummaryTest.java b/api/src/test/java/io/opencensus/metrics/export/SummaryTest.java
index 0b70d94e..c10df043 100644
--- a/api/src/test/java/io/opencensus/metrics/SummaryTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/SummaryTest.java
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.testing.EqualsTester;
-import io.opencensus.metrics.Summary.Snapshot;
-import io.opencensus.metrics.Summary.Snapshot.ValueAtPercentile;
+import io.opencensus.metrics.export.Summary.Snapshot;
+import io.opencensus.metrics.export.Summary.Snapshot.ValueAtPercentile;
 import java.util.Collections;
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/api/src/test/java/io/opencensus/metrics/TimeSeriesTest.java b/api/src/test/java/io/opencensus/metrics/export/TimeSeriesTest.java
index 07dff97d..31812549 100644
--- a/api/src/test/java/io/opencensus/metrics/TimeSeriesTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/TimeSeriesTest.java
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.testing.EqualsTester;
 import io.opencensus.common.Timestamp;
+import io.opencensus.metrics.LabelValue;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
diff --git a/api/src/test/java/io/opencensus/metrics/ValueTest.java b/api/src/test/java/io/opencensus/metrics/export/ValueTest.java
index a65202a8..3758ed2d 100644
--- a/api/src/test/java/io/opencensus/metrics/ValueTest.java
+++ b/api/src/test/java/io/opencensus/metrics/export/ValueTest.java
@@ -14,20 +14,20 @@
  * limitations under the License.
  */
 
-package io.opencensus.metrics;
+package io.opencensus.metrics.export;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.testing.EqualsTester;
 import io.opencensus.common.Function;
 import io.opencensus.common.Functions;
-import io.opencensus.metrics.Distribution.Bucket;
-import io.opencensus.metrics.Summary.Snapshot;
-import io.opencensus.metrics.Summary.Snapshot.ValueAtPercentile;
-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.Distribution.Bucket;
+import io.opencensus.metrics.export.Summary.Snapshot;
+import io.opencensus.metrics.export.Summary.Snapshot.ValueAtPercentile;
+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.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;