Add metadata health dao

wherehows-dao/src/main/java/wherehows/dao/view/DatasetViewDao.java

@@ -26,6 +26,7 @@ import wherehows.models.table.DictDataset;
 import wherehows.models.view.DatasetColumn;
 import wherehows.models.view.DatasetSchema;
 import wherehows.models.view.DatasetView;
+import wherehows.models.view.DatasetHealth;
 
 import static org.apache.commons.lang3.StringUtils.*;
 import static wherehows.util.UrnUtil.*;
@@ -147,6 +148,14 @@ public class DatasetViewDao extends BaseViewDao {
     throw new UnsupportedOperationException("Not implemented yet");
   }
 
+  /**
+   * Get datset health by dataset urn
+   */
+  @Nonnull
+  public DatasetHealth getDatasetHealth(@Nonnull String datasetUrn) throws Exception {
+    throw new UnsupportedOperationException("Not implemented yet");
+  }
+
   /**
    * Get dataset column by dataset id and column id
    * @param datasetId int

wherehows-dao/src/main/java/wherehows/models/view/DatasetHealth.java

@@ -0,0 +1,29 @@
+/**
+ * Copyright 2015 LinkedIn Corp. All rights reserved.
+ *
+ * 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.
+ */
+package wherehows.models.view;
+
+import java.util.List;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+
+@Setter
+@Getter
+@NoArgsConstructor
+public class DatasetHealth {
+  private float score;
+
+  private List<DatasetValidation> validations;
+}

wherehows-dao/src/main/java/wherehows/models/view/DatasetValidation.java

@@ -0,0 +1,32 @@
+/**
+ * Copyright 2015 LinkedIn Corp. All rights reserved.
+ *
+ * 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.
+ */
+package wherehows.models.view;
+
+import java.util.List;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+public class DatasetValidation {
+
+  private String tier;
+
+  private float score;
+
+  private String description;
+
+  private float weight;
+
+  private String validator;
+}