Cassandra data model

Former-commit-id: b3a815b8

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/model/DBPDataSource.java

@@ -47,6 +47,7 @@ public interface DBPDataSource extends DBCExecutionContext
      * at the moment of invocation of this function.
      * @return datasource info.
      */
+    @NotNull
     DBPDataSourceInfo getInfo();
 
     /**

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/model/impl/jdbc/JDBCDataSource.java

@@ -216,6 +216,7 @@ public abstract class JDBCDataSource
         return container;
     }
 
+    @NotNull
     @Override
     public DBPDataSourceInfo getInfo()
     {

plugins/org.jkiss.dbeaver.wmi/src/org/jkiss/dbeaver/ext/wmi/model/WMIDataSource.java

@@ -62,6 +62,7 @@ public class WMIDataSource implements DBPDataSource, SQLDataSource, IAdaptable//
         return container;
     }
 
+    @NotNull
     @Override
     public DBPDataSourceInfo getInfo()
     {