From 20bbb6b91acd0e9da74359e4ee306f812a453c36 Mon Sep 17 00:00:00 2001
From: charitha <charitha@entgra.io>
Date: Fri, 20 Sep 2019 14:02:40 +0530
Subject: [PATCH] Re add missing method

---
 .../core/dao/impl/AbstractDeviceDAOImpl.java  | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
index a39d5df2608..2a69ef188d4 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
@@ -1963,6 +1963,28 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
         }
     }
 
+    private int getDeviceId(Connection conn, DeviceIdentifier deviceIdentifier, int tenantId)
+            throws DeviceManagementDAOException {
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        int deviceId = -1;
+        try {
+            String sql = "SELECT ID FROM DM_DEVICE WHERE DEVICE_IDENTIFICATION = ? AND TENANT_ID = ?";
+            stmt = conn.prepareStatement(sql);
+            stmt.setString(1, deviceIdentifier.getId());
+            stmt.setInt(2, tenantId);
+            rs = stmt.executeQuery();
+            if (rs.next()) {
+                deviceId = rs.getInt("ID");
+            }
+        } catch (SQLException e) {
+            throw new DeviceManagementDAOException("Error occurred while retrieving device id of the device", e);
+        } finally {
+            DeviceManagementDAOUtil.cleanupResources(stmt, rs);
+        }
+        return deviceId;
+    }
+
     public boolean transferDevice(String deviceType, String deviceIdentifier, String owner, int destinationTenantId)
             throws DeviceManagementDAOException, SQLException {
         Connection conn = this.getConnection();