Merge pull request #20 from milanperera/master

Refactored SQL queries
revert-70aa11f8
Prabath Abeysekara 10 years ago
commit 3512e3e60a

@ -48,7 +48,7 @@ public class DeviceDAOImpl implements DeviceDAO {
conn = this.getConnection();
String sql =
"INSERT INTO DM_DEVICE(DESCRIPTION, NAME, DEVICE_TYPE_ID, DEVICE_IDENTIFICATION, TENANT_ID) " +
"VALUES (?, ?, ?, ?, ?)";
"VALUES (?, ?, ?, ?, ?)";
stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
stmt.setString(1, device.getDescription());
stmt.setString(2, device.getName());
@ -64,7 +64,7 @@ public class DeviceDAOImpl implements DeviceDAO {
return deviceId;
} catch (SQLException e) {
throw new DeviceManagementDAOException("Error occurred while enrolling device " +
"'" + device.getName() + "'", e);
"'" + device.getName() + "'", e);
} finally {
DeviceManagementDAOUtil.cleanupResources(stmt, rs);
}
@ -78,7 +78,8 @@ public class DeviceDAOImpl implements DeviceDAO {
int deviceId = -1;
try {
conn = this.getConnection();
String sql = "UPDATE DM_DEVICE SET DESCRIPTION = ?, NAME = ? WHERE DEVICE_IDENTIFICATION = ? AND " +
String sql =
"UPDATE DM_DEVICE SET DESCRIPTION = ?, NAME = ? WHERE DEVICE_IDENTIFICATION = ? AND " +
"DEVICE_TYPE_ID = ? AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
stmt.setString(1, device.getDescription());
@ -95,7 +96,7 @@ public class DeviceDAOImpl implements DeviceDAO {
return deviceId;
} catch (SQLException e) {
throw new DeviceManagementDAOException("Error occurred while enrolling device '" +
device.getName() + "'", e);
device.getName() + "'", e);
} finally {
DeviceManagementDAOUtil.cleanupResources(stmt, rs);
}
@ -116,9 +117,11 @@ public class DeviceDAOImpl implements DeviceDAO {
conn = this.getConnection();
String sql =
"SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d1.DEVICE_IDENTIFICATION, " +
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e, (SELECT d.ID, d.DESCRIPTION, d.NAME, " +
"t.NAME AS DEVICE_TYPE, d.DEVICE_IDENTIFICATION FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE " +
"t.NAME = ? AND d.DEVICE_IDENTIFICATION = ? AND d.TENANT_ID = ?) d1 WHERE d1.ID = e.DEVICE_ID AND TENANT_ID = ?";
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT " +
"FROM DM_ENROLMENT e, (SELECT d.ID, d.DESCRIPTION, d.NAME, " +
"t.NAME AS DEVICE_TYPE, d.DEVICE_IDENTIFICATION FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE " +
"t.NAME = ? AND d.DEVICE_IDENTIFICATION = ? AND d.TENANT_ID = ?) d1 WHERE d1.ID = e.DEVICE_ID " +
"AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
stmt.setString(1, deviceId.getType());
stmt.setString(2, deviceId.getId());
@ -130,7 +133,7 @@ public class DeviceDAOImpl implements DeviceDAO {
}
} catch (SQLException e) {
throw new DeviceManagementDAOException("Error occurred while listing devices for type " +
"'" + deviceId.getType() + "'", e);
"'" + deviceId.getType() + "'", e);
} finally {
DeviceManagementDAOUtil.cleanupResources(stmt, rs);
}
@ -145,8 +148,10 @@ public class DeviceDAOImpl implements DeviceDAO {
List<Device> devices = null;
try {
conn = this.getConnection();
String sql = "SELECT d1.DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d1.DEVICE_IDENTIFICATION, " +
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e, (SELECT d.ID AS DEVICE_ID, d.DESCRIPTION, d.NAME," +
String sql =
"SELECT d1.DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d1.DEVICE_IDENTIFICATION, " +
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT, e.ID AS ENROLMENT_ID " +
"FROM DM_ENROLMENT e, (SELECT d.ID AS DEVICE_ID, d.DESCRIPTION, d.NAME," +
"d.DEVICE_IDENTIFICATION, t.NAME AS DEVICE_TYPE FROM DM_DEVICE d, DM_DEVICE_TYPE t " +
"WHERE d.DEVICE_TYPE_ID = t.ID AND d.TENANT_ID = ?) d1 WHERE d1.DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
@ -160,7 +165,7 @@ public class DeviceDAOImpl implements DeviceDAO {
}
} catch (SQLException e) {
throw new DeviceManagementDAOException("Error occurred while retrieving information of all " +
"registered devices", e);
"registered devices", e);
} finally {
DeviceManagementDAOUtil.cleanupResources(stmt, rs);
}
@ -175,11 +180,13 @@ public class DeviceDAOImpl implements DeviceDAO {
List<Device> devices = null;
try {
conn = this.getConnection();
String selectDBQueryForType = "SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d1.DEVICE_IDENTIFICATION," +
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e, (SELECT d.ID, d.DESCRIPTION, d.NAME, " +
"d.DEVICE_IDENTIFICATION, d.OWNER, t.NAME AS DEVICE_TYPE FROM DM_DEVICE d, DM_DEVICE_TYPE t " +
"WHERE d.DM_DEVICE.DEVICE_TYPE_ID = t.ID AND t.NAME = ? AND d.TENANT_ID = ?) d1 WHERE d1.DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ?";
stmt = conn.prepareStatement(selectDBQueryForType);
String sql =
"SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d1.DEVICE_IDENTIFICATION, " +
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT, e.ID AS ENROLMENT_ID " +
"FROM DM_ENROLMENT e, (SELECT d.ID, d.DESCRIPTION, d.NAME, d.DEVICE_IDENTIFICATION, d.OWNER, t.NAME " +
"AS DEVICE_TYPE FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE DEVICE_TYPE_ID = t.ID AND t.NAME = ? " +
"AND d.TENANT_ID = ?) d1 WHERE DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
stmt.setString(1, type);
stmt.setInt(2, tenantId);
stmt.setInt(3, tenantId);
@ -204,14 +211,17 @@ public class DeviceDAOImpl implements DeviceDAO {
List<Device> devices = new ArrayList<Device>();
try {
conn = this.getConnection();
stmt = conn.prepareStatement(
"SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d.DEVICE_IDENTIFICATION" +
" e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e, (SELECT t.NAME AS DEVICE_TYPE, d.ID, d.DESCRIPTION, " +
"d.NAME, d.DEVICE_IDENTIFICATION FROM " +
"DM_DEVICE d, DM_DEVICE_TYPE t WHERE d.DEVICE_TYPE_ID = t.ID AND d.OWNER =? AND d.TENANT_ID = ?) d1 WHERE d1.DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ?");
stmt.setString(1, username);
String sql =
"SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, " +
"d1.DEVICE_IDENTIFICATION, e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, " +
"e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e, (SELECT t.NAME AS DEVICE_TYPE, d.ID, d.DESCRIPTION, " +
"d.NAME, d.DEVICE_IDENTIFICATION FROM DM_DEVICE d, DM_DEVICE_TYPE t " +
"WHERE d.DEVICE_TYPE_ID = t.ID AND d.TENANT_ID = ?) d1 " +
"WHERE DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ? AND e.OWNER = ?";
stmt = conn.prepareStatement(sql);
stmt.setInt(1, tenantId);
stmt.setInt(2, tenantId);
stmt.setInt(3, tenantId);
stmt.setString(3, username);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
@ -220,7 +230,7 @@ public class DeviceDAOImpl implements DeviceDAO {
}
} catch (SQLException e) {
throw new DeviceManagementDAOException("Error occurred while fetching the list of devices belongs to '" +
username + "'", e);
username + "'", e);
} finally {
DeviceManagementDAOUtil.cleanupResources(stmt, null);
}
@ -275,16 +285,16 @@ public class DeviceDAOImpl implements DeviceDAO {
List<Device> devices = new ArrayList<Device>();
try {
conn = this.getConnection();
stmt = conn.prepareStatement(
"SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d.DEVICE_IDENTIFICATION " +
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e, (SELECT d.ID AS DEVICE_ID, d.NAME, d.DESCRIPTION, " +
"t.NAME AS DEVICE_TYPE, d.DEVICE_IDENTIFICATION FROM " +
"DM_DEVICE d, DM_DEVICE_TYPE t WHERE d.DEVICE_TYPE_ID = t.ID " +
"AND d.NAME LIKE ? AND d.TENANT_ID = ?) d1 WHERE d1.DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ?) d1 WHERE d1.DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ?");
String sql =
"SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, d1.DEVICE_IDENTIFICATION, " +
"e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT, e.ID AS ENROLMENT_ID " +
"FROM DM_ENROLMENT e, (SELECT d.ID, d.NAME, d.DESCRIPTION, t.NAME AS DEVICE_TYPE, " +
"d.DEVICE_IDENTIFICATION FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE d.DEVICE_TYPE_ID = t.ID " +
"AND d.NAME LIKE ? AND d.TENANT_ID = ?) d1 WHERE DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
stmt.setString(1, deviceName + "%");
stmt.setInt(2, tenantId);
stmt.setInt(3, tenantId);
stmt.setInt(4, tenantId);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
@ -293,7 +303,7 @@ public class DeviceDAOImpl implements DeviceDAO {
}
} catch (SQLException e) {
throw new DeviceManagementDAOException("Error occurred while fetching the list of devices that matches " +
"'" + deviceName + "'", e);
"'" + deviceName + "'", e);
} finally {
DeviceManagementDAOUtil.cleanupResources(stmt, null);
}
@ -308,8 +318,9 @@ public class DeviceDAOImpl implements DeviceDAO {
int enrolmentId = -1;
try {
conn = this.getConnection();
String sql = "INSERT INTO DM_ENROLMENT(DEVICE_ID, OWNER, OWNERSHIP, STATUS, " +
"DATE_OF_ENROLMENT, DATE_OF_LAST_UPDATE, TENANT_ID) VALUES(?, ?, ?, ?, ?, ?, ?)";
String sql =
"INSERT INTO DM_ENROLMENT(DEVICE_ID, OWNER, OWNERSHIP, STATUS,DATE_OF_ENROLMENT, DATE_OF_LAST_UPDATE, " +
"TENANT_ID) VALUES(?, ?, ?, ?, ?, ?, ?)";
stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
stmt.setInt(1, device.getId());
stmt.setString(2, device.getEnrolmentInfo().getOwner());
@ -339,9 +350,10 @@ public class DeviceDAOImpl implements DeviceDAO {
PreparedStatement stmt = null;
try {
conn = this.getConnection();
String sql = "UPDATE DM_ENROLMENT SET STATUS = ? WHERE DEVICE_ID = " +
"(SELECT d.ID FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE d.DEVICE_TYPE_ID = t.ID AND " +
"d.DEVICE_IDENTIFICATION = ? AND t.NAME = ? AND d.TENANT_ID = ?) AND OWNER = ? AND TENANT_ID = ?";
String sql =
"UPDATE DM_ENROLMENT SET STATUS = ? WHERE DEVICE_ID = (SELECT d.ID FROM DM_DEVICE d, DM_DEVICE_TYPE t " +
"WHERE d.DEVICE_TYPE_ID = t.ID AND d.DEVICE_IDENTIFICATION = ? AND t.NAME = ? AND d.TENANT_ID = ?) " +
"AND OWNER = ? AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
stmt.setString(1, status.toString());
stmt.setString(2, deviceId.getId());
@ -367,7 +379,8 @@ public class DeviceDAOImpl implements DeviceDAO {
Status status = null;
try {
conn = this.getConnection();
String sql = "SELECT STATUS FROM DM_ENROLMENT WHERE DEVICE_ID = " +
String sql =
"SELECT STATUS FROM DM_ENROLMENT WHERE DEVICE_ID = " +
"(SELECT d.ID FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE d.DEVICE_TYPE_ID = t.ID AND " +
"d.DEVICE_IDENTIFICATION = ? AND t.NAME = ? AND d.TENANT_ID = ?) AND OWNER = ? AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
@ -398,10 +411,11 @@ public class DeviceDAOImpl implements DeviceDAO {
EnrolmentInfo enrolmentInfo = null;
try {
conn = this.getConnection();
String sql = "SELECT ID, DEVICE_ID, OWNER, OWNERSHIP, STATUS, DATE_OF_ENROLMENT, " +
"DATE_OF_LAST_UPDATE, TENANT_ID FROM DM_ENROLMENT WHERE DEVICE_ID = " +
"(SELECT d.ID FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE d.DEVICE_TYPE_ID = t.ID AND" +
" d.DEVICE_IDENTIFICATION = ? AND t.NAME = ? AND d.TENANT_ID = ?) AND OWNER = ? AND TENANT_ID = ?";
String sql =
"SELECT ID AS ENROLMENT_ID, DEVICE_ID, OWNER, OWNERSHIP, STATUS, DATE_OF_ENROLMENT, DATE_OF_LAST_UPDATE, " +
"TENANT_ID FROM DM_ENROLMENT WHERE DEVICE_ID = (SELECT d.ID FROM DM_DEVICE d, DM_DEVICE_TYPE t " +
"WHERE d.DEVICE_TYPE_ID = t.ID AND d.DEVICE_IDENTIFICATION = ? AND t.NAME = ? AND d.TENANT_ID = ?) " +
"AND OWNER = ? AND TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
stmt.setString(1, deviceId.getId());
stmt.setString(2, deviceId.getType());
@ -415,7 +429,7 @@ public class DeviceDAOImpl implements DeviceDAO {
return enrolmentInfo;
} catch (SQLException e) {
throw new DeviceManagementDAOException("Error occurred while retrieving the enrolment " +
"information of user '" + currentOwner + "' upon device '" + deviceId + "'", e);
"information of user '" + currentOwner + "' upon device '" + deviceId + "'", e);
} finally {
DeviceManagementDAOUtil.cleanupResources(stmt, rs);
}
@ -442,18 +456,21 @@ public class DeviceDAOImpl implements DeviceDAO {
return enrolmentInfo;
}
public List<Device> getDevicesByStatus(EnrolmentInfo.Status status, int tenantId) throws DeviceManagementDAOException {
public List<Device> getDevicesByStatus(EnrolmentInfo.Status status, int tenantId)
throws DeviceManagementDAOException {
Connection conn;
PreparedStatement stmt = null;
List<Device> devices = new ArrayList<Device>();
try {
conn = this.getConnection();
stmt = conn.prepareStatement("SELECT d.ID AS DEVICE_ID, d.DESCRIPTION, d.NAME AS DEVICE_NAME, t.NAME AS DEVICE_TYPE, " +
"d.DEVICE_IDENTIFICATION, e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, " +
"e.DATE_OF_ENROLMENT FROM (SELECT e.ID, e.DEVICE_ID, e.OWNER, e.OWNERSHIP, e.STATUS, " +
"e.DATE_OF_ENROLMENT, e.DATE_OF_LAST_UPDATE FROM DM_ENROLMENT e WHERE TENANT_ID = ? " +
"AND STATUS = ?) e, DM_DEVICE d, DM_DEVICE_TYPE t WHERE DEVICE_ID = e.DEVICE_ID " +
"AND d.DEVICE_TYPE_ID = t.ID AND d.TENANT_ID = ?");
String sql =
"SELECT d.ID AS DEVICE_ID, d.DESCRIPTION, d.NAME AS DEVICE_NAME, t.NAME AS DEVICE_TYPE, " +
"d.DEVICE_IDENTIFICATION, e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, " +
"e.DATE_OF_ENROLMENT FROM (SELECT e.ID, e.DEVICE_ID, e.OWNER, e.OWNERSHIP, e.STATUS, " +
"e.DATE_OF_ENROLMENT, e.DATE_OF_LAST_UPDATE FROM DM_ENROLMENT e WHERE TENANT_ID = ? " +
"AND STATUS = ?) e, DM_DEVICE d, DM_DEVICE_TYPE t WHERE DEVICE_ID = e.DEVICE_ID " +
"AND d.DEVICE_TYPE_ID = t.ID AND d.TENANT_ID = ?";
stmt = conn.prepareStatement(sql);
stmt.setInt(1, tenantId);
stmt.setString(2, status.toString());
stmt.setInt(3, tenantId);

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