Added getter for sensitivity rank and check for version which added sensitivity rank support

src/main/java/com/microsoft/sqlserver/jdbc/IOBuffer.java

@@ -126,6 +126,7 @@ final class TDS {
     static final byte TDS_FEATURE_EXT_DATACLASSIFICATION = 0x09;
     static final byte DATA_CLASSIFICATION_NOT_ENABLED = 0x00;
     static final byte MAX_SUPPORTED_DATA_CLASSIFICATION_VERSION = 0x02;
+    static final byte DATA_CLASSIFICATION_VERSION_ADDED_RANK_SUPPORT = 0x02;
 
     static final int AES_256_CBC = 1;
     static final int AEAD_AES_256_CBC_HMAC_SHA256 = 2;
@@ -3613,11 +3614,10 @@ void writeDateTimeOffset(Object value, int scale, SSType destSSType) throws SQLS
         int minutesOffset;
 
         /*
-         * Out of all the supported temporal datatypes, DateTimeOffset is the only datatype that doesn't
-         * allow direct casting from java.sql.timestamp (which was created from a String).
-         * DateTimeOffset was never required to be constructed from a String, but with the
-         * introduction of extended bulk copy support for Azure DW, we now need to support this scenario.
-         * Parse the DTO as string if it's coming from a CSV.
+         * Out of all the supported temporal datatypes, DateTimeOffset is the only datatype that doesn't allow direct
+         * casting from java.sql.timestamp (which was created from a String). DateTimeOffset was never required to be
+         * constructed from a String, but with the introduction of extended bulk copy support for Azure DW, we now need
+         * to support this scenario. Parse the DTO as string if it's coming from a CSV.
          */
         if (value instanceof String) {
             // expected format: YYYY-MM-DD hh:mm:ss[.nnnnnnn] [{+|-}hh:mm]
@@ -3628,8 +3628,8 @@ void writeDateTimeOffset(Object value, int scale, SSType destSSType) throws SQLS
                 String offsetString = stringValue.substring(lastColon - 3);
 
                 /*
-                 * At this point, offsetString should look like +hh:mm or -hh:mm. Otherwise, the optional offset
-                 * value has not been provided. Parse accordingly.
+                 * At this point, offsetString should look like +hh:mm or -hh:mm. Otherwise, the optional offset value
+                 * has not been provided. Parse accordingly.
                  */
                 String timestampString;
 
@@ -3646,11 +3646,10 @@ void writeDateTimeOffset(Object value, int scale, SSType destSSType) throws SQLS
                 }
 
                 /*
-                 * If the target data type is DATETIMEOFFSET, then use UTC for the calendar that
-                 * will hold the value, since writeRPCDateTimeOffset expects a UTC calendar.
-                 * Otherwise, when converting from DATETIMEOFFSET to other temporal data types,
-                 * use a local time zone determined by the minutes offset of the value, since
-                 * the writers for those types expect local calendars.
+                 * If the target data type is DATETIMEOFFSET, then use UTC for the calendar that will hold the value,
+                 * since writeRPCDateTimeOffset expects a UTC calendar. Otherwise, when converting from DATETIMEOFFSET
+                 * to other temporal data types, use a local time zone determined by the minutes offset of the value,
+                 * since the writers for those types expect local calendars.
                  */
                 timeZone = (SSType.DATETIMEOFFSET == destSSType) ? UTC.timeZone
                                                                  : new SimpleTimeZone(minutesOffset * 60 * 1000, "");
@@ -3689,11 +3688,10 @@ void writeDateTimeOffset(Object value, int scale, SSType destSSType) throws SQLS
             minutesOffset = dtoValue.getMinutesOffset();
 
             /*
-             * If the target data type is DATETIMEOFFSET, then use UTC for the calendar that
-             * will hold the value, since writeRPCDateTimeOffset expects a UTC calendar.
-             * Otherwise, when converting from DATETIMEOFFSET to other temporal data types,
-             * use a local time zone determined by the minutes offset of the value, since
-             * the writers for those types expect local calendars.
+             * If the target data type is DATETIMEOFFSET, then use UTC for the calendar that will hold the value, since
+             * writeRPCDateTimeOffset expects a UTC calendar. Otherwise, when converting from DATETIMEOFFSET to other
+             * temporal data types, use a local time zone determined by the minutes offset of the value, since the
+             * writers for those types expect local calendars.
              */
             timeZone = (SSType.DATETIMEOFFSET == destSSType) ? UTC.timeZone
                                                              : new SimpleTimeZone(minutesOffset * 60 * 1000, "");

src/main/java/com/microsoft/sqlserver/jdbc/SQLServerDatabaseMetaData.java

@@ -2556,6 +2556,7 @@ public boolean locatorsUpdateCopy() throws SQLException {
      *
      * @return the database compatibility level value (from sys.databases table).
      * @throws SQLException
+     *         if error
      */
     public int getDatabaseCompatibilityLevel() throws SQLException {
         checkClosed();

src/main/java/com/microsoft/sqlserver/jdbc/SQLServerDriver.java

@@ -455,36 +455,6 @@ public String toString() {
 }
 
 
-enum SensitivityRank {
-    NOT_DEFINED(-1),
-    NONE(0),
-    LOW(10),
-    MEDIUM(20),
-    HIGH(30),
-    CRITICAL(40);
-
-    private static final SensitivityRank[] VALUES = values();
-    private int rank;
-
-    private SensitivityRank(int rank) {
-        this.rank = rank;
-    }
-
-    public int getValue() {
-        return rank;
-    }
-
-    static boolean isValid(int rank) throws SQLServerException {
-        for (SensitivityRank r : VALUES) {
-            if (r.getValue() == rank) {
-                return true;
-            }
-        }
-        return false;
-    }
-}
-
-
 /**
  * Provides methods to connect to a SQL Server database and to obtain information about the JDBC driver.
  */

src/main/java/com/microsoft/sqlserver/jdbc/StreamColumns.java

@@ -12,6 +12,7 @@
 import com.microsoft.sqlserver.jdbc.dataclassification.InformationType;
 import com.microsoft.sqlserver.jdbc.dataclassification.Label;
 import com.microsoft.sqlserver.jdbc.dataclassification.SensitivityClassification;
+import com.microsoft.sqlserver.jdbc.dataclassification.SensitivityClassification.SensitivityRank;
 import com.microsoft.sqlserver.jdbc.dataclassification.SensitivityProperty;
 
 
@@ -29,6 +30,8 @@ final class StreamColumns extends StreamPacket {
 
     private boolean shouldHonorAEForRead = false;
 
+    private boolean sensitivityRankSupported = false;
+
     /* Returns the CekTable */
     CekTable getCekTable() {
         return cekTable;
@@ -274,8 +277,12 @@ private SensitivityClassification processDataClassification(TDSReader tdsReader)
             informationTypes.add(readSensitivityInformationType(tdsReader));
         }
 
-        int sensitivityRank = SensitivityRank.NOT_DEFINED.getValue();
-        if (TDS.MAX_SUPPORTED_DATA_CLASSIFICATION_VERSION <= tdsReader.getServerSupportedDataClassificationVersion()) {
+        sensitivityRankSupported = tdsReader
+                .getServerSupportedDataClassificationVersion() >= TDS.DATA_CLASSIFICATION_VERSION_ADDED_RANK_SUPPORT;
+
+        // get sensitivity rank if supported
+        int sensitivityRank = SensitivityRank.NOT_DEFINED.getValue();;
+        if (sensitivityRankSupported) {
             sensitivityRank = tdsReader.readInt();
             if (!SensitivityRank.isValid(sensitivityRank)) {
                 tdsReader.throwInvalidTDS();
@@ -311,21 +318,26 @@ private SensitivityClassification processDataClassification(TDSReader tdsReader)
                     informationType = informationTypes.get(informationTypeIndex);
                 }
 
-                if (TDS.MAX_SUPPORTED_DATA_CLASSIFICATION_VERSION <= tdsReader
-                        .getServerSupportedDataClassificationVersion()) {
-                    sensitivityRank = tdsReader.readInt();
-                    if (!SensitivityRank.isValid(sensitivityRank)) {
+                int sensitivityRankProperty = SensitivityRank.NOT_DEFINED.getValue();
+                if (sensitivityRankSupported) {
+                    sensitivityRankProperty = tdsReader.readInt();
+                    if (!SensitivityRank.isValid(sensitivityRankProperty)) {
                         tdsReader.throwInvalidTDS();
                     }
+                    // add sensitivity properties for the source
+                    sensitivityProperties.add(new SensitivityProperty(label, informationType, sensitivityRankProperty));
                 }
-
-                // add sensitivity properties for the source
-                sensitivityProperties.add(new SensitivityProperty(label, informationType, sensitivityRank));
             }
             columnSensitivities.add(new ColumnSensitivity(sensitivityProperties));
         }
-        sensitivityClassification = new SensitivityClassification(sensitivityLabels, informationTypes,
-                columnSensitivities);
+        if (sensitivityRankSupported) {
+            sensitivityClassification = new SensitivityClassification(sensitivityLabels, informationTypes,
+                    columnSensitivities, sensitivityRank);
+        } else {
+            sensitivityClassification = new SensitivityClassification(sensitivityLabels, informationTypes,
+                    columnSensitivities);
+        }
+
         return sensitivityClassification;
     }
 

src/main/java/com/microsoft/sqlserver/jdbc/dataclassification/SensitivityClassification.java

@@ -8,20 +8,54 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import com.microsoft.sqlserver.jdbc.SQLServerException;
+
 
 /**
- * Provides the functionlity to retrieve Sensitivity Classification data as received from SQL Server for the active
+ * Provides the functionality to retrieve Sensitivity Classification data as received from SQL Server for the active
  * resultSet
  */
 public class SensitivityClassification {
+
+    public enum SensitivityRank {
+        NOT_DEFINED(-1),
+        NONE(0),
+        LOW(10),
+        MEDIUM(20),
+        HIGH(30),
+        CRITICAL(40);
+
+        private static final SensitivityRank[] VALUES = values();
+        private int rank;
+
+        private SensitivityRank(int rank) {
+            this.rank = rank;
+        }
+
+        public int getValue() {
+            return rank;
+        }
+
+        public static boolean isValid(int rank) throws SQLServerException {
+            for (SensitivityRank r : VALUES) {
+                if (r.getValue() == rank) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+
     private List<Label> labels;
     private List<InformationType> informationTypes;
     private List<ColumnSensitivity> columnSensitivities;
+    private int sensitivityRank;
+
+    /*
+     * Creating new ArrayList here assures that 'informationTypes' and 'labels' properties will not be null. The Count
+     * of the ColumnSensitivities property will be equal to the number of output columns for the query result set.
+     */
 
-    // Creating new ArrayList here assures that 'informationTypes' and 'labels'
-    // properties will not be null.
-    // The Count of the ColumnSensitivities property will be equal to the number
-    // of output columns for the query result set.
     /**
      * Constructs a <code>SensitivityClassification</code> Object
      * 
@@ -39,6 +73,26 @@ public SensitivityClassification(List<Label> labels, List<InformationType> infor
         this.columnSensitivities = new ArrayList<>(columnSensitivity);
     }
 
+    /**
+     * Constructs a <code>SensitivityClassification</code> Object
+     * 
+     * @param labels
+     *        Labels as received from SQL Server
+     * @param informationTypes
+     *        Information Types as received from SQL Server
+     * @param columnSensitivity
+     *        Column Sensitivities as received from SQL Server
+     * @param sensitivityRank
+     *        Sensitivity rank as received from SQL Server
+     */
+    public SensitivityClassification(List<Label> labels, List<InformationType> informationTypes,
+            List<ColumnSensitivity> columnSensitivity, int sensitivityRank) {
+        this.labels = new ArrayList<>(labels);
+        this.informationTypes = new ArrayList<>(informationTypes);
+        this.columnSensitivities = new ArrayList<>(columnSensitivity);
+        this.sensitivityRank = sensitivityRank;
+    }
+
     /**
      * Returns the labels for this <code>SensitivityClassification</code> Object
      * 
@@ -65,4 +119,8 @@ public List<InformationType> getInformationTypes() {
     public List<ColumnSensitivity> getColumnSensitivities() {
         return columnSensitivities;
     }
+
+    public int getSensitivityRank() {
+        return sensitivityRank;
+    }
 }

src/test/java/com/microsoft/sqlserver/jdbc/resultset/DataClassificationTest.java

@@ -27,6 +27,7 @@
 import com.microsoft.sqlserver.jdbc.dataclassification.InformationType;
 import com.microsoft.sqlserver.jdbc.dataclassification.Label;
 import com.microsoft.sqlserver.jdbc.dataclassification.SensitivityProperty;
+import com.microsoft.sqlserver.jdbc.dataclassification.SensitivityClassification.SensitivityRank;
 import com.microsoft.sqlserver.testframework.AbstractSQLGenerator;
 import com.microsoft.sqlserver.testframework.AbstractTest;
 import com.microsoft.sqlserver.testframework.Constants;
@@ -39,31 +40,35 @@ public class DataClassificationTest extends AbstractTest {
 
     private static final String addSensitivitySql = "ADD SENSITIVITY CLASSIFICATION TO %s.%s WITH (LABEL='PII', LABEL_ID='L1', INFORMATION_TYPE='%s', INFORMATION_TYPE_ID='%s'%s)";
     private static final String sensitivityRankSql = ", RANK=%s";
-    private static String sensitivityRank[][] = {{"NONE", "0"}, {"LOW", "10"}, {"MEDIUM", "20"}, {"HIGH", "30"},
-            {"CRITICAL", "40"}};
 
     /**
      * Tests data classification metadata information from SQL Server
      * 
+     * TODO: remove xAzureSQLDW tag once issue on server is fixed
+     * (currently DW not returning rank info) VSO issue 12931
+     * 
      * @throws Exception
      */
     @Tag(Constants.xSQLv12)
     @Tag(Constants.xSQLv14)
+    @Tag(Constants.xAzureSQLDW)
     @Test
     public void testDataClassificationMetadata() throws Exception {
         try (Statement stmt = connection.createStatement();) {
             if (!TestUtils.serverSupportsDataClassification(stmt)) {
                 fail(TestResource.getResource("R_dataClassificationNotSupported"));
             }
 
-            for (int i = 0; i < sensitivityRank.length; i++) {
-                createTable(connection, stmt);
-                addSensitivity(connection, stmt, sensitivityRank[i][0]);
-                insertData(connection, stmt);
-                try (SQLServerResultSet rs = (SQLServerResultSet) stmt.executeQuery("SELECT * FROM " + tableName)) {
-                    verifySensitivityClassification(rs, Integer.parseInt(sensitivityRank[i][1]));
+            for (SensitivityRank i : SensitivityRank.values()) {
+                if (SensitivityRank.NOT_DEFINED != i) {
+                    createTable(connection, stmt);
+                    addSensitivity(connection, stmt, i.toString());
+                    insertData(connection, stmt);
+                    try (SQLServerResultSet rs = (SQLServerResultSet) stmt.executeQuery("SELECT * FROM " + tableName)) {
+                        verifySensitivityClassification(rs, i.getValue());
+                    }
+                    dropTable();
                 }
-                dropTable();
             }
         }
     }
@@ -173,7 +178,10 @@ private void verifySensitivityClassification(SQLServerResultSet rs, int rank) th
 
                     verifyLabel(sp.getLabel());
                     verifyInfoType(sp.getInformationType(), columnPos);
-                    assertEquals(sp.getSensitivityRank(), rank, TestResource.getResource("R_valuesAreDifferent"));
+                    assertEquals(rank, sp.getSensitivityRank(), TestResource.getResource("R_valuesAreDifferent"));
+
+                    int sensitivityRank = rs.getSensitivityClassification().getSensitivityRank();
+                    assertEquals(rank, sensitivityRank, TestResource.getResource("R_valuesAreDifferent"));
                 }
             }
         }