Seperate out task operations

components/device-mgt-extensions/org.wso2.carbon.device.mgt.extensions.device.type.deployer/src/main/java/org/wso2/carbon/device/mgt/extensions/device/type/deployer/config/DeviceTypeConfiguration.java

@@ -66,9 +66,35 @@ public class DeviceTypeConfiguration {
     protected License license;
     @XmlElement(name = "DataSource", required = true)
     protected DataSource dataSource;
+    @XmlElement(name = "TaskConfiguration", required = true)
+    private TaskConfiguration taskConfiguration;
     @XmlAttribute(name = "name")
     protected String name;
 
+    /**
+     * Gets the value of the taskConfiguration property.
+     *
+     * @return
+     *     possible object is
+     *     {@link TaskConfiguration }
+     *
+     */
+    public TaskConfiguration getTaskConfiguration() {
+        return taskConfiguration;
+    }
+
+    /**
+     * Sets the value of the taskConfiguration property.
+     *
+     * @param taskConfiguration
+     *     allowed object is
+     *     {@link TaskConfiguration }
+     *
+     */
+    public void setTaskConfiguration(TaskConfiguration taskConfiguration) {
+        this.taskConfiguration = taskConfiguration;
+    }
+
     /**
      * Gets the value of the deviceDetails property.
      * 

components/device-mgt-extensions/org.wso2.carbon.device.mgt.extensions.device.type.deployer/src/main/java/org/wso2/carbon/device/mgt/extensions/device/type/deployer/config/TaskConfiguration.java

@@ -0,0 +1,83 @@
+package org.wso2.carbon.device.mgt.extensions.device.type.deployer.config;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+import java.util.List;
+
+/**
+ *
+ */
+@XmlRootElement(name = "TaskConfiguration")
+public class TaskConfiguration {
+
+
+    private boolean enabled;
+    private int frequency;
+    private String taskClazz;
+    private List<Operation> operations;
+
+    @XmlElement(name = "Enable", required = true)
+    public boolean isEnabled() {
+        return enabled;
+    }
+
+    public void setEnabled(boolean enabled) {
+        this.enabled = enabled;
+    }
+
+    @XmlElement(name = "Frequency", required = true)
+    public int getFrequency() {
+        return frequency;
+    }
+
+    public void setFrequency(int frequency) {
+        this.frequency = frequency;
+    }
+
+    @XmlElement(name = "TaskClass", required = true)
+    public String getTaskClazz() {
+        return taskClazz;
+    }
+
+    public void setTaskClazz(String taskClazz) {
+        this.taskClazz = taskClazz;
+    }
+
+    @XmlElementWrapper(name="Operations")
+    @XmlElement(name = "Operation", required = true)
+    public List<Operation> getOperations() {
+        return operations;
+    }
+
+    public void setOperations(List<Operation> operations) {
+        this.operations = operations;
+    }
+
+    @XmlRootElement(name = "Operation")
+    public static class Operation {
+
+        private String operationName;
+        private int recurrency;
+
+        @XmlElement(name = "Name", required = true)
+        public String getOperationName() {
+            return operationName;
+        }
+
+        public void setOperationName(String operationName) {
+            this.operationName = operationName;
+        }
+
+        @XmlElement(name = "RecurrentTimes", required = true)
+        public int getRecurrency() {
+            return recurrency;
+        }
+
+        public void setRecurrency(int recurrency) {
+            this.recurrency = recurrency;
+        }
+
+    }
+}
+

components/device-mgt-extensions/org.wso2.carbon.device.mgt.extensions.device.type.deployer/src/main/java/org/wso2/carbon/device/mgt/extensions/device/type/deployer/template/DeviceTypeManagerService.java

@@ -23,6 +23,7 @@ import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.DeviceManagementException;
 import org.wso2.carbon.device.mgt.common.DeviceManager;
 import org.wso2.carbon.device.mgt.common.ProvisioningConfig;
+import org.wso2.carbon.device.mgt.common.TaskOperation;
 import org.wso2.carbon.device.mgt.common.app.mgt.ApplicationManager;
 import org.wso2.carbon.device.mgt.common.configuration.mgt.ConfigurationEntry;
 import org.wso2.carbon.device.mgt.common.configuration.mgt.PlatformConfiguration;
@@ -31,7 +32,9 @@ import org.wso2.carbon.device.mgt.common.spi.DeviceManagementService;
 import org.wso2.carbon.device.mgt.extensions.device.type.deployer.config.DeviceTypeConfiguration;
 import org.wso2.carbon.device.mgt.extensions.device.type.deployer.config.Property;
 import org.wso2.carbon.device.mgt.extensions.device.type.deployer.config.PushNotificationProvider;
+import org.wso2.carbon.device.mgt.extensions.device.type.deployer.config.TaskConfiguration;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -48,6 +51,7 @@ public class DeviceTypeManagerService implements DeviceManagementService {
     private PushNotificationConfig pushNotificationConfig;
     private ProvisioningConfig provisioningConfig;
     private String type;
+    private List<TaskOperation> taskOperations;
 
     public DeviceTypeManagerService(DeviceTypeConfigIdentifier deviceTypeConfigIdentifier,
                                     DeviceTypeConfiguration deviceTypeConfiguration) {
@@ -55,6 +59,7 @@ public class DeviceTypeManagerService implements DeviceManagementService {
         this.deviceManager = new DeviceTypeManager(deviceTypeConfigIdentifier, deviceTypeConfiguration);
         this.setType(deviceTypeConfiguration.getName());
         this.populatePushNotificationConfig(deviceTypeConfiguration.getPushNotificationProvider());
+        this.setTask(deviceTypeConfiguration);
     }
 
     @Override
@@ -62,6 +67,28 @@ public class DeviceTypeManagerService implements DeviceManagementService {
         return type;
     }
 
+    @Override
+    public List<TaskOperation> getTasksForPlatform(){
+        return taskOperations;
+    }
+
+    private void setTask(DeviceTypeConfiguration deviceTypeConfiguration) {
+        //Read the config file and take the list of operations there in the config
+        TaskConfiguration taskConfiguration = deviceTypeConfiguration.getTaskConfiguration();
+        if (taskConfiguration != null) {
+            List<TaskConfiguration.Operation> ops = taskConfiguration.getOperations();
+            if (ops != null && !ops.isEmpty()) {
+                taskOperations = new ArrayList<>();
+                for (TaskConfiguration.Operation op : ops) {
+                    TaskOperation taskOperation = new TaskOperation();
+                    taskOperation.setTaskName(op.getOperationName());
+                    taskOperation.setRecurrentTimes(op.getRecurrency());
+                    taskOperations.add(taskOperation);
+                }
+            }
+        }
+    }
+
     @Override
     public void init() throws DeviceManagementException {
     }

components/device-mgt-extensions/org.wso2.carbon.device.mgt.extensions.device.type.deployer/src/test/resources/sample.xml

@@ -97,5 +97,20 @@
             </Table>
         </tableConfig>
     </DataSource>
-
+    <TaskConfiguration>
+        <Operations>
+            <Operation>
+                <Name>DEVICE_INFO</Name>
+                <RecurrentTimes>1</RecurrentTimes>
+            </Operation>
+            <Operation>
+                <Name>APPLICATION_LIST</Name>
+                <RecurrentTimes>5</RecurrentTimes>
+            </Operation>
+            <Operation>
+                <Name>DEVICE_LOCATION</Name>
+                <RecurrentTimes>1</RecurrentTimes>
+            </Operation>
+        </Operations>
+    </TaskConfiguration>
 </DeviceTypeConfiguration>

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/api/DeviceManagementService.java

@@ -447,8 +447,8 @@ public interface DeviceManagementService {
             produces = MediaType.APPLICATION_JSON,
             consumes = MediaType.APPLICATION_JSON,
             httpMethod = "POST",
-            value = "Advanced Search for Devices",
-            notes = "Search for devices by filtering the search result through the specified search terms.",
+            value = "Advanced search for Devices",
+            notes = "search for devices by filtering the search result through the specified search terms.",
             tags = "Device Management",
             authorizations = {
                     @Authorization(

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/TaskOperation.java

@@ -0,0 +1,28 @@
+package org.wso2.carbon.device.mgt.common;
+
+/**
+ *
+ */
+public class TaskOperation {
+
+    private String taskName;
+    private int recurrentTimes;
+
+    public String getTaskName() {
+        return taskName;
+    }
+
+    public void setTaskName(String taskName) {
+        this.taskName = taskName;
+    }
+
+    public int getRecurrentTimes() {
+        return recurrentTimes;
+    }
+
+    public void setRecurrentTimes(int recurrentTimes) {
+        this.recurrentTimes = recurrentTimes;
+    }
+
+}
+

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/spi/DeviceManagementService.java

@@ -21,9 +21,12 @@ package org.wso2.carbon.device.mgt.common.spi;
 import org.wso2.carbon.device.mgt.common.DeviceManagementException;
 import org.wso2.carbon.device.mgt.common.DeviceManager;
 import org.wso2.carbon.device.mgt.common.ProvisioningConfig;
+import org.wso2.carbon.device.mgt.common.TaskOperation;
 import org.wso2.carbon.device.mgt.common.app.mgt.ApplicationManager;
 import org.wso2.carbon.device.mgt.common.push.notification.PushNotificationConfig;
 
+import java.util.List;
+
 /**
  * Composite interface that acts as the SPI exposing all device management as well as application management
  * functionalities.
@@ -34,6 +37,8 @@ public interface DeviceManagementService {
 
     String getType();
 
+    List<TaskOperation> getTasksForPlatform();//getTasksConfiguraitons
+
     DeviceManager getDeviceManager();
 
     ApplicationManager getApplicationManager();

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/OperationManagerImpl.java

@@ -21,16 +21,25 @@ package org.wso2.carbon.device.mgt.core.operation.mgt;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.context.CarbonContext;
-import org.wso2.carbon.device.mgt.common.*;
+import org.wso2.carbon.device.mgt.common.Device;
+import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
+import org.wso2.carbon.device.mgt.common.EnrolmentInfo;
+import org.wso2.carbon.device.mgt.common.InvalidDeviceException;
+import org.wso2.carbon.device.mgt.common.PaginationRequest;
+import org.wso2.carbon.device.mgt.common.PaginationResult;
+import org.wso2.carbon.device.mgt.common.TaskOperation;
+import org.wso2.carbon.device.mgt.common.TransactionManagementException;
 import org.wso2.carbon.device.mgt.common.authorization.DeviceAccessAuthorizationException;
 import org.wso2.carbon.device.mgt.common.group.mgt.DeviceGroupConstants;
-import org.wso2.carbon.device.mgt.common.operation.mgt.*;
+import org.wso2.carbon.device.mgt.common.operation.mgt.Activity;
+import org.wso2.carbon.device.mgt.common.operation.mgt.ActivityStatus;
+import org.wso2.carbon.device.mgt.common.operation.mgt.Operation;
+import org.wso2.carbon.device.mgt.common.operation.mgt.OperationManagementException;
+import org.wso2.carbon.device.mgt.common.operation.mgt.OperationManager;
 import org.wso2.carbon.device.mgt.common.push.notification.NotificationContext;
 import org.wso2.carbon.device.mgt.common.push.notification.NotificationStrategy;
 import org.wso2.carbon.device.mgt.common.push.notification.PushNotificationExecutionFailedException;
 import org.wso2.carbon.device.mgt.core.DeviceManagementConstants;
-import org.wso2.carbon.device.mgt.core.config.DeviceConfigurationManager;
-import org.wso2.carbon.device.mgt.core.config.task.TaskConfiguration;
 import org.wso2.carbon.device.mgt.core.dao.DeviceDAO;
 import org.wso2.carbon.device.mgt.core.dao.DeviceManagementDAOException;
 import org.wso2.carbon.device.mgt.core.dao.DeviceManagementDAOFactory;
@@ -43,6 +52,7 @@ import org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationMappingDAO;
 import org.wso2.carbon.device.mgt.core.operation.mgt.dao.util.OperationDAOUtil;
 import org.wso2.carbon.device.mgt.core.operation.mgt.util.DeviceIDHolder;
 import org.wso2.carbon.device.mgt.core.operation.mgt.util.OperationCreateTimeComparator;
+import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
 import org.wso2.carbon.device.mgt.core.task.DeviceTaskManager;
 import org.wso2.carbon.device.mgt.core.task.impl.DeviceTaskManagerImpl;
 import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
@@ -51,7 +61,9 @@ import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * This class implements all the functionality exposed as part of the OperationManager. Any transaction initiated
@@ -127,7 +139,7 @@ public class OperationManagerImpl implements OperationManager {
                 org.wso2.carbon.device.mgt.core.dto.operation.mgt.Operation operationDto =
                         OperationDAOUtil.convertOperation(operation);
                 int operationId = this.lookupOperationDAO(operation).addOperation(operationDto);
-                boolean isScheduledOperation = this.isTaskScheduledOperation(operation);
+                boolean isScheduledOperation = this.isTaskScheduledOperation(operation, deviceIds);
                 boolean isNotRepeated = false;
                 boolean hasExistingTaskOperation;
                 int enrolmentId;
@@ -231,7 +243,7 @@ public class OperationManagerImpl implements OperationManager {
         List<String> unAuthorizedDeviceList = new ArrayList<>();
         DeviceIDHolder deviceIDHolder = new DeviceIDHolder();
         try {
-            if (operation != null && isAuthenticationSkippedOperation(operation)) {
+            if (operation != null && isAuthenticationSkippedOperation(operation, deviceIds)) {
                 authorizedDeviceList = deviceIds;
             } else {
                 boolean isAuthorized;
@@ -873,11 +885,11 @@ public class OperationManagerImpl implements OperationManager {
         return CarbonContext.getThreadLocalCarbonContext().getUsername();
     }
 
-    private boolean isAuthenticationSkippedOperation(Operation operation) {
+    private boolean isAuthenticationSkippedOperation(Operation operation, List<DeviceIdentifier> deviceIds) {
 
         //This is to check weather operations are coming from the task related to retrieving device information.
         DeviceTaskManager taskManager = new DeviceTaskManagerImpl();
-        if (taskManager.isTaskOperation(operation.getCode())) {
+        if (taskManager.isTaskOperation(operation.getCode(), deviceIds)) {
             return true;
         }
 
@@ -1021,14 +1033,37 @@ public class OperationManagerImpl implements OperationManager {
         return resetStatus;
     }
 
-    private boolean isTaskScheduledOperation(Operation operation) {
-        TaskConfiguration taskConfiguration = DeviceConfigurationManager.getInstance().getDeviceManagementConfig().
-                getTaskConfiguration();
-        for (TaskConfiguration.Operation op : taskConfiguration.getOperations()) {
-            if (operation.getCode().equals(op.getOperationName())) {
+    private boolean isTaskScheduledOperation(Operation operation, List<DeviceIdentifier> deviceIds) {
+        List<TaskOperation> taskOperations = new ArrayList<>();
+        Map<String, List<TaskOperation>> deviceTypeSpecificTasks = new HashMap<>();
+        DeviceManagementProviderService deviceManagementProviderService = DeviceManagementDataHolder.getInstance().
+                getDeviceManagementProvider();
+
+        deviceTypeSpecificTasks = deviceManagementProviderService.getTaskList();//Get task list from each device type
+
+        for(DeviceIdentifier deviceIdentifier : deviceIds){
+            String deviceType = deviceIdentifier.getType();
+            for(String dti : deviceTypeSpecificTasks.keySet()){
+                if (dti.equals(deviceType)) {
+                    taskOperations = deviceTypeSpecificTasks.get(dti);
+                    for(TaskOperation op : taskOperations){
+                    if (operation.getCode().equals(op.getTaskName())) {
                         return true;
                     }
                     }
+                }
+            }
+
+
+        }
+
+//        TaskConfiguration taskConfiguration = DeviceConfigurationManager.getInstance().getDeviceManagementConfig().
+//                getTaskConfiguration();
+//        for (TaskConfiguration.Operation op : taskConfiguration.getOperations()) {
+//            if (operation.getCode().equals(op.getOperationName())) {
+//                return true;
+//            }
+//        }
         return false;
     }
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/service/DeviceManagementProviderService.java

@@ -27,6 +27,7 @@ import org.wso2.carbon.device.mgt.common.operation.mgt.OperationManagementExcept
 import java.util.HashMap;
 import java.util.Date;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Proxy class for all Device Management related operations that take the corresponding plugin type in
@@ -275,4 +276,6 @@ public interface DeviceManagementProviderService {
 
     int getActivityCountUpdatedAfter(long timestamp) throws OperationManagementException;
 
+    Map<String, List<TaskOperation>> getTaskList();
+
 }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/service/DeviceManagementProviderServiceImpl.java

@@ -21,6 +21,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.CarbonConstants;
 import org.wso2.carbon.context.CarbonContext;
+import org.wso2.carbon.context.PrivilegedCarbonContext;
 import org.wso2.carbon.device.mgt.common.Device;
 import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
 import org.wso2.carbon.device.mgt.common.DeviceManagementException;
@@ -32,6 +33,7 @@ import org.wso2.carbon.device.mgt.common.FeatureManager;
 import org.wso2.carbon.device.mgt.common.InvalidDeviceException;
 import org.wso2.carbon.device.mgt.common.PaginationRequest;
 import org.wso2.carbon.device.mgt.common.PaginationResult;
+import org.wso2.carbon.device.mgt.common.TaskOperation;
 import org.wso2.carbon.device.mgt.common.TransactionManagementException;
 import org.wso2.carbon.device.mgt.common.app.mgt.Application;
 import org.wso2.carbon.device.mgt.common.configuration.mgt.PlatformConfiguration;
@@ -1213,6 +1215,27 @@ public class DeviceManagementProviderServiceImpl implements DeviceManagementProv
         return DeviceManagementDataHolder.getInstance().getOperationManager().getActivityCountUpdatedAfter(timestamp);
     }
 
+    @Override
+    public Map<String, List<TaskOperation>> getTaskList() {
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
+        Map<DeviceTypeIdentifier, DeviceManagementService> deviceManagementServiceMap =
+                pluginRepository.getAllDeviceManagementServices(tenantId);
+        DeviceManagementService dms;
+        String deviceType;
+        List<TaskOperation> taskOperations;
+        Map<String, List<TaskOperation>> deviceTypeSpecificTasks = new HashMap<>();
+
+        for(DeviceTypeIdentifier dti : deviceManagementServiceMap.keySet()){
+            dms = deviceManagementServiceMap.get(dti);
+            taskOperations = dms.getTasksForPlatform();
+            if (taskOperations != null) {
+                deviceType = dms.getType();
+                deviceTypeSpecificTasks.put(deviceType, taskOperations);
+            }
+        }
+        return deviceTypeSpecificTasks;
+    }
+
     @Override
     public List<Device> getDevicesOfUser(String username) throws DeviceManagementException {
         List<Device> devices = new ArrayList<>();

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/task/DeviceTaskManager.java

@@ -19,6 +19,8 @@
 
 package org.wso2.carbon.device.mgt.core.task;
 
+import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
+
 import java.util.List;
 
 public interface DeviceTaskManager {
@@ -29,8 +31,8 @@ public interface DeviceTaskManager {
      * @return - list of Task Operations.
      * @throws DeviceMgtTaskException
      */
-    List<TaskOperation> getOperationList() throws DeviceMgtTaskException;
-
+    List<org.wso2.carbon.device.mgt.common.TaskOperation> getOperationList(String deviceType)
+            throws DeviceMgtTaskException;
 
     /**
      * This method will take the monitoring frequency.
@@ -66,7 +68,7 @@ public interface DeviceTaskManager {
      * @return
      * @throws DeviceMgtTaskException
      */
-    List<String> getValidOperationNames() throws DeviceMgtTaskException;
+    List<String> getValidOperationNames(String deviceType) throws DeviceMgtTaskException;
 
     /**
      * This method will check wheather give operation is added by the task.
@@ -74,6 +76,6 @@ public interface DeviceTaskManager {
      * @return - true or false
      * @throws DeviceMgtTaskException
      */
-    boolean isTaskOperation(String opName);
+    boolean isTaskOperation(String opName, List<DeviceIdentifier> deviceIds);
 
 }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/task/impl/DeviceTaskManagerImpl.java

@@ -22,22 +22,27 @@ package org.wso2.carbon.device.mgt.core.task.impl;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.Device;
+import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
 import org.wso2.carbon.device.mgt.common.DeviceManagementException;
 import org.wso2.carbon.device.mgt.common.InvalidDeviceException;
+import org.wso2.carbon.device.mgt.common.TaskOperation;
 import org.wso2.carbon.device.mgt.common.operation.mgt.Operation;
 import org.wso2.carbon.device.mgt.common.operation.mgt.OperationManagementException;
 import org.wso2.carbon.device.mgt.core.config.DeviceConfigurationManager;
-import org.wso2.carbon.device.mgt.core.config.task.TaskConfiguration;
 import org.wso2.carbon.device.mgt.core.internal.DeviceManagementDataHolder;
 import org.wso2.carbon.device.mgt.core.operation.mgt.CommandOperation;
 import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
 import org.wso2.carbon.device.mgt.core.task.DeviceMgtTaskException;
 import org.wso2.carbon.device.mgt.core.task.DeviceTaskManager;
-import org.wso2.carbon.device.mgt.core.task.TaskOperation;
 import org.wso2.carbon.device.mgt.core.task.Utils;
 import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 public class DeviceTaskManagerImpl implements DeviceTaskManager {
 
@@ -47,34 +52,35 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
 
 
     @Override
-    public List<TaskOperation> getOperationList() throws DeviceMgtTaskException {
-        TaskConfiguration taskConfiguration =
-                DeviceConfigurationManager.getInstance().getDeviceManagementConfig().getTaskConfiguration();
+    //get device type specific operations
+    public List<TaskOperation> getOperationList(String deviceType) throws DeviceMgtTaskException {
 
-        List<TaskConfiguration.Operation> ops = taskConfiguration.getOperations();
         List<TaskOperation> taskOperations = new ArrayList<>();
-        for (TaskConfiguration.Operation op : ops) {
-            TaskOperation taskOperation = new TaskOperation();
-            taskOperation.setTaskName(op.getOperationName());
-            taskOperation.setRecurrentTimes(op.getRecurrency());
-            taskOperation.setTaskPlatforms(op.getPlatforms());
-            taskOperations.add(taskOperation);
+        Map<String, List<TaskOperation>> deviceTypeSpecificTasks;
+        //This Map contains task list against device type
+        DeviceManagementProviderService deviceManagementProviderService = DeviceManagementDataHolder.getInstance().
+                getDeviceManagementProvider();
+
+        deviceTypeSpecificTasks = deviceManagementProviderService.getTaskList();//Get task list from each device type
+        for(String dti : deviceTypeSpecificTasks.keySet()){
+            if (dti.equals(deviceType)) {
+                taskOperations = deviceTypeSpecificTasks.get(dti);
+            }
         }
         return taskOperations;
     }
 
-    public List<String> getPlatformsForOperations(String opName) {
+    private List<String> getDeviceTypes() {
         List<String> operationPlatforms =  new ArrayList<>();
-        TaskConfiguration taskConfiguration =
-                DeviceConfigurationManager.getInstance().getDeviceManagementConfig().getTaskConfiguration();
-        List<TaskConfiguration.Operation> ops = taskConfiguration.getOperations();
-        for (TaskConfiguration.Operation op : ops) {
-            if (op.getOperationName().equals(opName)) {
-                List<String> platform = op.getPlatforms();
-                for (String operationPlatform : platform) {
-                     operationPlatforms.add(operationPlatform);
-                }
-            }
+        Map<String, List<TaskOperation>> deviceTypeSpecificTasks;
+
+        DeviceManagementProviderService deviceManagementProviderService = DeviceManagementDataHolder.getInstance().
+                getDeviceManagementProvider();
+        deviceTypeSpecificTasks = deviceManagementProviderService.getTaskList();
+
+        Set<String> platformTypes = deviceTypeSpecificTasks.keySet();
+        for(String platformType : platformTypes ){
+          operationPlatforms.add(platformType);
         }
         return operationPlatforms;
     }
@@ -100,16 +106,16 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
 
     @Override
     public void addOperations() throws DeviceMgtTaskException {
-        List<String> deviceTypes;
         DeviceManagementProviderService deviceManagementProviderService = DeviceManagementDataHolder.getInstance().
                 getDeviceManagementProvider();
         try {
             List<Device> devices;
-            List<String> operations = this.getValidOperationNames();
-            for (String taskOperation : operations) {
-                deviceTypes = getPlatformsForOperations(taskOperation);
-                 for (String deviceType : deviceTypes) {
-                     devices = deviceManagementProviderService.getAllDevices(deviceType);
+            List<String> operations;
+            List<String> deviceTypes = this.getDeviceTypes();//list available device types
+
+            for(String deviceType : deviceTypes){
+                operations = this.getValidOperationNames(deviceType); //list operations for each device type
+                devices = deviceManagementProviderService.getAllDevices(deviceType);//list devices for each type
                 if (!devices.isEmpty()) {
                     for (String str : operations) {
                         CommandOperation operation = new CommandOperation();
@@ -126,7 +132,6 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
                 }
 
             }
-            }
         } catch (InvalidDeviceException e) {
             throw new DeviceMgtTaskException("Invalid DeviceIdentifiers found.", e);
         } catch (DeviceManagementException e) {
@@ -137,8 +142,9 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
     }
 
     @Override
-    public List<String> getValidOperationNames() throws DeviceMgtTaskException {
-        List<TaskOperation> taskOperations = this.getOperationList();
+    public List<String> getValidOperationNames(String deviceType) throws DeviceMgtTaskException {
+
+        List<TaskOperation> taskOperations = this.getOperationList(deviceType);
         List<String> opNames = new ArrayList<>();
         Long milliseconds = System.currentTimeMillis();
         int frequency = this.getTaskFrequency();
@@ -167,9 +173,12 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
 
 
     @Override
-    public boolean isTaskOperation(String opName) {
+    public boolean isTaskOperation(String opName, List<DeviceIdentifier> deviceIds) {
+
+        for(DeviceIdentifier deviceIdentifier : deviceIds){
+            String deviceType = deviceIdentifier.getType();
             try {
-            List<TaskOperation> taskOperations = this.getOperationList();
+                List<TaskOperation> taskOperations = this.getOperationList(deviceType);
                 for (TaskOperation taop : taskOperations) {
                     if (taop.getTaskName().equalsIgnoreCase(opName)) {
                         return true;
@@ -178,6 +187,8 @@ public class DeviceTaskManagerImpl implements DeviceTaskManager {
             } catch (DeviceMgtTaskException e) {
                 // ignoring the error, no need to throw, If error occurs, return value will be false.
             }
+        }
+
         return false;
 
     }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/task/impl/DeviceTaskManagerServiceImpl.java

@@ -39,6 +39,8 @@ public class DeviceTaskManagerServiceImpl implements DeviceTaskManagerService {
     public static final String TASK_TYPE = "DEVICE_DETAILS";
     public static final String TASK_NAME = "DEVICE_DETAILS_TASK";
     public static final String TENANT_ID = "TENANT_ID";
+    private static String TASK_CLASS = "org.wso2.carbon.device.mgt.core.task.impl.DeviceDetailsRetrieverTask";
+
 
     private DeviceTaskManager deviceTaskManager;
 
@@ -75,7 +77,7 @@ public class DeviceTaskManagerServiceImpl implements DeviceTaskManagerService {
 
             if (!taskManager.isTaskScheduled(TASK_NAME)) {
 
-                TaskInfo taskInfo = new TaskInfo(TASK_NAME, deviceTaskManager.getTaskImplementedClazz(),
+                TaskInfo taskInfo = new TaskInfo(TASK_NAME, TASK_CLASS,
                         properties, triggerInfo);
 
                 taskManager.registerTask(taskInfo);
@@ -130,7 +132,7 @@ public class DeviceTaskManagerServiceImpl implements DeviceTaskManagerService {
                 Map<String, String> properties = new HashMap<>();
                 properties.put(TENANT_ID, String.valueOf(tenantId));
 
-                TaskInfo taskInfo = new TaskInfo(TASK_NAME, deviceTaskManager.getTaskImplementedClazz(), properties,
+                TaskInfo taskInfo = new TaskInfo(TASK_NAME, TASK_CLASS, properties,
                         triggerInfo);
 
                 taskManager.registerTask(taskInfo);

components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/TestDeviceManagementService.java

@@ -17,12 +17,11 @@
  */
 package org.wso2.carbon.device.mgt.core;
 
-import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
 import org.wso2.carbon.device.mgt.common.DeviceManagementException;
 import org.wso2.carbon.device.mgt.common.DeviceManager;
 import org.wso2.carbon.device.mgt.common.ProvisioningConfig;
+import org.wso2.carbon.device.mgt.common.TaskOperation;
 import org.wso2.carbon.device.mgt.common.app.mgt.ApplicationManager;
-import org.wso2.carbon.device.mgt.common.operation.mgt.Operation;
 import org.wso2.carbon.device.mgt.common.push.notification.PushNotificationConfig;
 import org.wso2.carbon.device.mgt.common.spi.DeviceManagementService;
 
@@ -42,6 +41,11 @@ public class TestDeviceManagementService implements DeviceManagementService {
         return providerType;
     }
 
+    @Override
+    public List<TaskOperation> getTasksForPlatform(){
+        return null;
+    }
+
     @Override
     public void init() throws DeviceManagementException {
 

features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/conf/cdm-config.xml

@@ -51,33 +51,6 @@
     <TaskConfiguration>
         <Enable>true</Enable>
         <Frequency>600000</Frequency>
-        <TaskClass>org.wso2.carbon.device.mgt.core.task.impl.DeviceDetailsRetrieverTask</TaskClass>
-        <Operations>
-            <Operation>
-                <Name>DEVICE_INFO</Name>
-                <RecurrentTimes>1</RecurrentTimes>
-                <Platforms>
-                    <platform>android</platform>
-                    <platform>ios</platform>
-                </Platforms>
-            </Operation>
-            <Operation>
-                <Name>APPLICATION_LIST</Name>
-                <RecurrentTimes>5</RecurrentTimes>
-                <Platforms>
-                    <platform>android</platform>
-                    <platform>ios</platform>
-                </Platforms>
-            </Operation>
-            <Operation>
-                <Name>DEVICE_LOCATION</Name>
-                <RecurrentTimes>1</RecurrentTimes>
-                <Platforms>
-                    <platform>android</platform>
-                    <platform>ios</platform>
-                </Platforms>
-            </Operation>
-        </Operations>
     </TaskConfiguration>
     <!-- Default Page size configuration for paginated DM APIs-->
     <PaginationConfiguration>