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Improving the retrieval of activities

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merge-requests/7/head
prabathabey 8 years ago
parent b28ed6803e
commit c7730adbcb
1 changed files with 40 additions and 33 deletions
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71
components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/impl/GenericOperationDAOImpl.java
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@ -340,45 +340,52 @@ public class GenericOperationDAOImpl implements OperationDAO {
} }
@Override @Override
public List<Activity> getActivitiesUpdatedAfter(long timestamp, int limit, int offset) throws OperationManagementDAOException { public List<Activity> getActivitiesUpdatedAfter(long timestamp, int limit,
int offset) throws OperationManagementDAOException {
PreparedStatement stmt = null; PreparedStatement stmt = null;
ResultSet rs = null; ResultSet rs = null;
List<Activity> activities = new ArrayList<>(); List<Activity> activities = new ArrayList<>();
try { try {
Connection conn = OperationManagementDAOFactory.getConnection(); Connection conn = OperationManagementDAOFactory.getConnection();
String sql = "SELECT eom.ENROLMENT_ID, eom.OPERATION_ID, eom.ID AS EOM_MAPPING_ID, dor.ID AS OP_RES_ID,\n" + // String sql = "SELECT eom.ENROLMENT_ID, eom.OPERATION_ID, eom.ID AS EOM_MAPPING_ID, dor.ID AS OP_RES_ID,\n" +
"de.DEVICE_ID, d.DEVICE_IDENTIFICATION, \n" + // "de.DEVICE_ID, d.DEVICE_IDENTIFICATION, \n" +
"d.DEVICE_TYPE_ID, dt.NAME AS DEVICE_TYPE_NAME, eom.STATUS, eom.CREATED_TIMESTAMP, \n" + // "d.DEVICE_TYPE_ID, dt.NAME AS DEVICE_TYPE_NAME, eom.STATUS, eom.CREATED_TIMESTAMP, \n" +
"eom.UPDATED_TIMESTAMP, op.OPERATION_CODE, op.TYPE AS OPERATION_TYPE, dor.OPERATION_RESPONSE, \n" + // "eom.UPDATED_TIMESTAMP, op.OPERATION_CODE, op.TYPE AS OPERATION_TYPE, dor.OPERATION_RESPONSE, \n" +
"dor.RECEIVED_TIMESTAMP FROM DM_ENROLMENT_OP_MAPPING AS eom \n" + // "dor.RECEIVED_TIMESTAMP FROM DM_ENROLMENT_OP_MAPPING AS eom \n" +
"INNER JOIN DM_OPERATION AS op ON op.ID=eom.OPERATION_ID\n" + // "INNER JOIN DM_OPERATION AS op ON op.ID=eom.OPERATION_ID\n" +
"INNER JOIN DM_ENROLMENT AS de ON de.ID=eom.ENROLMENT_ID\n" + // "INNER JOIN DM_ENROLMENT AS de ON de.ID=eom.ENROLMENT_ID\n" +
"INNER JOIN DM_DEVICE AS d ON d.ID=de.DEVICE_ID \n" + // "INNER JOIN DM_DEVICE AS d ON d.ID=de.DEVICE_ID \n" +
"INNER JOIN DM_DEVICE_TYPE AS dt ON dt.ID=d.DEVICE_TYPE_ID\n" + // "INNER JOIN DM_DEVICE_TYPE AS dt ON dt.ID=d.DEVICE_TYPE_ID\n" +
"LEFT JOIN DM_DEVICE_OPERATION_RESPONSE AS dor ON dor.ENROLMENT_ID=de.id \n" + // "LEFT JOIN DM_DEVICE_OPERATION_RESPONSE AS dor ON dor.ENROLMENT_ID=de.id \n" +
"AND dor.OPERATION_ID=eom.OPERATION_ID\n" + // "AND dor.OPERATION_ID=eom.OPERATION_ID\n" +
"WHERE eom.UPDATED_TIMESTAMP > ? AND de.TENANT_ID = ? ORDER BY eom.OPERATION_ID"; // "WHERE eom.UPDATED_TIMESTAMP > ? AND de.TENANT_ID = ? ORDER BY eom.OPERATION_ID";
if(limit > 0) { // if(limit > 0) {
sql = sql + " LIMIT ?"; // sql = sql + " LIMIT ?";
} // }
//
// if(offset > 0) {
// sql = sql + " OFFSET ?";
// }
if(offset > 0) { String sql = "SELECT dte.ENROLMENT_ID, oor.OPERATION_ID, oor.OP_RES_ID, oor.OPERATION_TYPE, " +
sql = sql + " OFFSET ?"; "oor.OPERATION_CODE, oor.OPERATION_RESPONSE, dte.DEVICE_TYPE, dte.DEVICE_IDENTIFICATION, " +
} "oor.RECEIVED_TIMESTAMP, eom.UPDATED_TIMESTAMP, eom.STATUS FROM (SELECT d.DEVICE_IDENTIFICATION, " +
"t.NAME AS DEVICE_TYPE, e.ID AS ENROLMENT_ID FROM DM_DEVICE d INNER JOIN DM_DEVICE_TYPE t " +
"ON d.DEVICE_TYPE_ID = t.ID INNER JOIN DM_ENROLMENT e ON d.ID = e.DEVICE_ID WHERE " +
"e.TENANT_ID = ?) dte INNER JOIN (SELECT o.ID AS OPERATION_ID, o.TYPE AS OPERATION_TYPE, " +
"o.OPERATION_CODE, r.ID AS OP_RES_ID, r.OPERATION_RESPONSE, r.RECEIVED_TIMESTAMP, " +
"r.ENROLMENT_ID FROM DM_OPERATION o INNER JOIN DM_DEVICE_OPERATION_RESPONSE r ON " +
"o.ID = r.OPERATION_ID) oor ON oor.ENROLMENT_ID=dte.ENROLMENT_ID LEFT OUTER JOIN " +
"(SELECT ENROLMENT_ID, OPERATION_ID, STATUS, UPDATED_TIMESTAMP FROM DM_ENROLMENT_OP_MAPPING " +
"WHERE UPDATED_TIMESTAMP > ? LIMIT ? OFFSET ?) eom ON eom.ENROLMENT_ID=oor.ENROLMENT_ID AND " +
"oor.OPERATION_ID=eom.OPERATION_ID ORDER BY oor.OPERATION_ID";
stmt = conn.prepareStatement(sql); stmt = conn.prepareStatement(sql);
stmt.setLong(1, timestamp); stmt.setInt(1, PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId());
stmt.setInt(2, PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId()); stmt.setLong(2, timestamp);
stmt.setInt(3, limit);
int increment = 2; stmt.setInt(4, offset);
if(limit > 0) {
stmt.setInt(++increment, limit);
}
if(offset > 0) {
stmt.setInt(++increment, offset);
}
rs = stmt.executeQuery(); rs = stmt.executeQuery();
int operationId = 0; int operationId = 0;
@ -434,7 +441,7 @@ public class GenericOperationDAOImpl implements OperationDAO {
DeviceIdentifier deviceIdentifier = new DeviceIdentifier(); DeviceIdentifier deviceIdentifier = new DeviceIdentifier();
deviceIdentifier.setId(rs.getString("DEVICE_IDENTIFICATION")); deviceIdentifier.setId(rs.getString("DEVICE_IDENTIFICATION"));
deviceIdentifier.setType(rs.getString("DEVICE_TYPE_NAME")); deviceIdentifier.setType(rs.getString("DEVICE_TYPE"));
activityStatus.setDeviceIdentifier(deviceIdentifier); activityStatus.setDeviceIdentifier(deviceIdentifier);
activityStatus.setStatus(ActivityStatus.Status.valueOf(rs.getString("STATUS"))); activityStatus.setStatus(ActivityStatus.Status.valueOf(rs.getString("STATUS")));

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