hasuniea
8 years ago
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/*
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* Copyright (c) 2016a, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.core.operation.mgt.dao.impl.operation;
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import org.wso2.carbon.context.PrivilegedCarbonContext;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import org.wso2.carbon.device.mgt.common.operation.mgt.Activity;
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import org.wso2.carbon.device.mgt.common.operation.mgt.ActivityStatus;
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import org.wso2.carbon.device.mgt.common.operation.mgt.OperationResponse;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOException;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOFactory;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOUtil;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.impl.GenericOperationDAOImpl;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.util.OperationDAOUtil;
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import java.io.IOException;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* This class holds the implementation of OperationDAO which can be used to support H2 db syntax.
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*/
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public class H2OperationDAOImpl extends GenericOperationDAOImpl {
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@Override
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public List<Activity> getActivitiesUpdatedAfter(long timestamp, int limit, int offset) throws OperationManagementDAOException {
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PreparedStatement stmt = null;
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ResultSet rs = null;
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List<Activity> activities = new ArrayList<>();
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try {
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Connection conn = OperationManagementDAOFactory.getConnection();
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String sql = "SELECT feom.ENROLMENT_ID, feom.OPERATION_ID, feom.CREATED_TIMESTAMP, o.TYPE AS OPERATION_TYPE, " +
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"o.OPERATION_CODE, orsp.OPERATION_RESPONSE, orsp.LATEST_RECEIVED_TIMESTAMP AS RECEIVED_TIMESTAMP, " +
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"orsp.ID AS OP_RES_ID, feom.STATUS, feom.UPDATED_TIMESTAMP, feom.DEVICE_IDENTIFICATION, " +
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"feom.DEVICE_TYPE FROM (SELECT eom.ENROLMENT_ID, eom.OPERATION_ID, eom.STATUS, eom.CREATED_TIMESTAMP, " +
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"eom.UPDATED_TIMESTAMP, fe.DEVICE_IDENTIFICATION, fe.DEVICE_TYPE FROM " +
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"(SELECT ENROLMENT_ID, OPERATION_ID, STATUS, CREATED_TIMESTAMP, UPDATED_TIMESTAMP " +
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"FROM DM_ENROLMENT_OP_MAPPING WHERE UPDATED_TIMESTAMP > ? ORDER BY OPERATION_ID LIMIT ? OFFSET ?) eom " +
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"LEFT OUTER JOIN (SELECT e.ID AS ENROLMENT_ID, d.ID AS DEVICE_ID, d.DEVICE_IDENTIFICATION, " +
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"t.NAME AS DEVICE_TYPE FROM DM_ENROLMENT e LEFT OUTER JOIN DM_DEVICE d ON e.DEVICE_ID = d.ID " +
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"LEFT OUTER JOIN DM_DEVICE_TYPE t ON d.DEVICE_TYPE_ID = t.ID WHERE d.TENANT_ID = ? AND " +
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"e.TENANT_ID = ?) fe ON fe.ENROLMENT_ID = eom.ENROLMENT_ID) feom LEFT OUTER JOIN DM_OPERATION o " +
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"ON feom.OPERATION_ID = o.ID LEFT OUTER JOIN (SELECT ID, ENROLMENT_ID, OPERATION_ID, " +
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"OPERATION_RESPONSE, MAX(RECEIVED_TIMESTAMP) LATEST_RECEIVED_TIMESTAMP " +
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"FROM DM_DEVICE_OPERATION_RESPONSE GROUP BY ENROLMENT_ID , OPERATION_ID) orsp " +
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"ON o.ID = orsp.OPERATION_ID AND feom.ENROLMENT_ID = orsp.ENROLMENT_ID GROUP BY feom.ENROLMENT_ID, " +
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"feom.OPERATION_ID, feom.CREATED_TIMESTAMP, o.TYPE, o.OPERATION_CODE, orsp.OPERATION_RESPONSE, " +
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"orsp.LATEST_RECEIVED_TIMESTAMP, orsp.ID, feom.STATUS, feom.UPDATED_TIMESTAMP, " +
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"feom.DEVICE_IDENTIFICATION, feom.DEVICE_TYPE";
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stmt = conn.prepareStatement(sql);
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stmt.setLong(1, timestamp);
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stmt.setInt(2, limit);
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stmt.setInt(3, offset);
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int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
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stmt.setInt(4, tenantId);
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stmt.setInt(5, tenantId);
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rs = stmt.executeQuery();
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int operationId = 0;
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int enrolmentId = 0;
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int responseId = 0;
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Activity activity = null;
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ActivityStatus activityStatus = null;
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while (rs.next()) {
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if (operationId != rs.getInt("OPERATION_ID")) {
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activity = new Activity();
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activities.add(activity);
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List<ActivityStatus> statusList = new ArrayList<>();
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activityStatus = new ActivityStatus();
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operationId = rs.getInt("OPERATION_ID");
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enrolmentId = rs.getInt("ENROLMENT_ID");
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activity.setType(Activity.Type.valueOf(rs.getString("OPERATION_TYPE")));
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activity.setCreatedTimeStamp(new java.util.Date(rs.getLong(("CREATED_TIMESTAMP")) * 1000).toString());
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activity.setCode(rs.getString("OPERATION_CODE"));
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DeviceIdentifier deviceIdentifier = new DeviceIdentifier();
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deviceIdentifier.setId(rs.getString("DEVICE_IDENTIFICATION"));
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deviceIdentifier.setType(rs.getString("DEVICE_TYPE"));
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activityStatus.setDeviceIdentifier(deviceIdentifier);
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activityStatus.setStatus(ActivityStatus.Status.valueOf(rs.getString("STATUS")));
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List<OperationResponse> operationResponses = new ArrayList<>();
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if (rs.getInt("UPDATED_TIMESTAMP") != 0) {
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activityStatus.setUpdatedTimestamp(new java.util.Date(
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rs.getLong(("UPDATED_TIMESTAMP")) * 1000).toString());
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}
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if (rs.getTimestamp("RECEIVED_TIMESTAMP") != (null)) {
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operationResponses.add(OperationDAOUtil.getOperationResponse(rs));
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responseId = rs.getInt("OP_RES_ID");
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}
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activityStatus.setResponses(operationResponses);
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statusList.add(activityStatus);
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activity.setActivityStatus(statusList);
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activity.setActivityId(OperationDAOUtil.getActivityId(rs.getInt("OPERATION_ID")));
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}
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if (operationId == rs.getInt("OPERATION_ID") && enrolmentId != rs.getInt("ENROLMENT_ID")) {
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activityStatus = new ActivityStatus();
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activity.setType(Activity.Type.valueOf(rs.getString("OPERATION_TYPE")));
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activity.setCreatedTimeStamp(new java.util.Date(rs.getLong(("CREATED_TIMESTAMP")) * 1000).toString());
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activity.setCode(rs.getString("OPERATION_CODE"));
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DeviceIdentifier deviceIdentifier = new DeviceIdentifier();
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deviceIdentifier.setId(rs.getString("DEVICE_IDENTIFICATION"));
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deviceIdentifier.setType(rs.getString("DEVICE_TYPE"));
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activityStatus.setDeviceIdentifier(deviceIdentifier);
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activityStatus.setStatus(ActivityStatus.Status.valueOf(rs.getString("STATUS")));
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List<OperationResponse> operationResponses = new ArrayList<>();
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if (rs.getInt("UPDATED_TIMESTAMP") != 0) {
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activityStatus.setUpdatedTimestamp(new java.util.Date(
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rs.getLong(("UPDATED_TIMESTAMP")) * 1000).toString());
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}
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if (rs.getTimestamp("RECEIVED_TIMESTAMP") != (null)) {
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operationResponses.add(OperationDAOUtil.getOperationResponse(rs));
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responseId = rs.getInt("OP_RES_ID");
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}
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activityStatus.setResponses(operationResponses);
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activity.getActivityStatus().add(activityStatus);
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enrolmentId = rs.getInt("ENROLMENT_ID");
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}
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if (rs.getInt("OP_RES_ID") != 0 && responseId != rs.getInt("OP_RES_ID")) {
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if (rs.getTimestamp("RECEIVED_TIMESTAMP") != (null)) {
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activityStatus.getResponses().add(OperationDAOUtil.getOperationResponse(rs));
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responseId = rs.getInt("OP_RES_ID");
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}
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}
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}
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} catch (SQLException e) {
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throw new OperationManagementDAOException("Error occurred while getting the operation details from " +
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"the database.", e);
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} catch (ClassNotFoundException e) {
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throw new OperationManagementDAOException("Error occurred while converting the operation response to string.", e);
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} catch (IOException e) {
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throw new OperationManagementDAOException("IO exception occurred while converting the operations responses.", e);
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} finally {
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OperationManagementDAOUtil.cleanupResources(stmt, rs);
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}
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return activities;
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}
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}
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