forked from community/device-mgt-core
Ace
4 years ago
parent
9d39197844
commit
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/*
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* Copyright (c) 2020, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
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*
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* Entgra (pvt) Ltd. 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.task.impl;
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import io.entgra.server.bootup.heartbeat.beacon.exception.HeartBeatManagementException;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.wso2.carbon.device.mgt.core.internal.DeviceManagementDataHolder;
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import org.wso2.carbon.ntask.core.Task;
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public abstract class RandomlyAssignedScheduleTask implements Task {
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private static final Log log = LogFactory.getLog(RandomlyAssignedScheduleTask.class);
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private static String taskName = "UNSPECIFIED";
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private static boolean qualifiedToExecuteTask = false;
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private static boolean dynamicTaskEnabled = false;
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@Override
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public final void init() {
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try {
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dynamicTaskEnabled = DeviceManagementDataHolder.getInstance().getHeartBeatService().isTaskPartitioningEnabled();
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} catch (HeartBeatManagementException e) {
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log.error("Error Instantiating Variables necessary for Randomly Assigned Task Scheduling." , e);
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}
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//This is done so that sub class extending this abstract class is forced to specify a task name.
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taskName = getTaskName();
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setup();
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}
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@Override
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public final void execute() {
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refreshContext();
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executeRandomlyAssignedTask();
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}
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public void refreshContext(){
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if(dynamicTaskEnabled) {
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try {
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qualifiedToExecuteTask = DeviceManagementDataHolder.getInstance().getHeartBeatService().isQualifiedToExecuteTask();
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log.info("## NODE Qualified to execute Randomly Assigned Task : " + taskName);
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DeviceManagementDataHolder.getInstance().getHeartBeatService().updateTaskExecutionAcknowledgement(taskName);
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} catch (HeartBeatManagementException e) {
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log.error("Error refreshing Variables necessary for Randomly Assigned Scheduled Task. " +
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"Dynamic Tasks will not function.", e);
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}
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}
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}
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protected abstract void setup();
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protected abstract void executeRandomlyAssignedTask();
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public static boolean isQualifiedToExecuteTask() {
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return qualifiedToExecuteTask;
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}
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public abstract String getTaskName();
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}
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@ -0,0 +1,54 @@
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/*
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* Copyright (c) 2020, Entgra Pvt Ltd. (http://www.wso2.org) All Rights Reserved.
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*
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* Entgra Pvt Ltd. 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 io.entgra.server.bootup.heartbeat.beacon.dto;
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import java.sql.Timestamp;
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import java.util.List;
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public class ElectedCandidate {
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private String serverUUID;
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private Timestamp timeOfElection;
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private List<String> acknowledgedTaskList = null;
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public List<String> getAcknowledgedTaskList() {
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return acknowledgedTaskList;
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}
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public void setAcknowledgedTaskList(List<String> acknowledgedTaskList) {
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this.acknowledgedTaskList = acknowledgedTaskList;
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}
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public String getServerUUID() {
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return serverUUID;
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}
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public void setServerUUID(String serverUUID) {
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this.serverUUID = serverUUID;
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}
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public Timestamp getTimeOfElection() {
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return timeOfElection;
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}
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public void setTimeOfElection(Timestamp timeOfElection) {
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this.timeOfElection = timeOfElection;
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}
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}
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