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/*******************************************************************************
* Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
* This file is part of Gluster Management Gateway.
*
* Gluster Management Gateway is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Gluster Management Gateway is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*******************************************************************************/
package org.gluster.storage.management.gateway.tasks;
import org.gluster.storage.management.core.model.GlusterServer;
import org.gluster.storage.management.core.model.TaskInfo;
import org.gluster.storage.management.core.model.TaskStatus;
import org.gluster.storage.management.core.model.TaskInfo.TASK_TYPE;
import org.gluster.storage.management.gateway.services.ClusterService;
public abstract class Task {
public String[] TASK_TYPE_STR = { "Format Disk", "Migrate Brick", "Volume Rebalance" };
protected TaskInfo taskInfo;
protected String clusterName;
private ClusterService clusterService;
public Task(ClusterService clusterService, String clusterName, TASK_TYPE type, String reference, String desc,
boolean canPause, boolean canStop, boolean canCommit) {
TaskInfo taskInfo = new TaskInfo();
taskInfo.setType(type);
taskInfo.setReference(reference);
taskInfo.setDescription(desc);
taskInfo.setPauseSupported(canPause);
taskInfo.setStopSupported(canStop);
taskInfo.setCommitSupported(canCommit);
init(clusterService, clusterName, taskInfo);
}
public Task(ClusterService clusterService, String clusterName, TaskInfo taskInfo) {
init(clusterService, clusterName, taskInfo);
}
private void init(ClusterService clusterService, String clusterName, TaskInfo taskInfo) {
this.clusterService = clusterService;
setClusterName(clusterName);
setTaskInfo(taskInfo);
}
protected GlusterServer getOnlineServer() {
return clusterService.getOnlineServer(clusterName);
}
protected GlusterServer getNewOnlineServer() {
return clusterService.getNewOnlineServer(clusterName);
}
protected GlusterServer getNewOnlineServer(String exceptServerName) {
return clusterService.getNewOnlineServer(clusterName, exceptServerName);
}
public String getTypeStr() {
return TASK_TYPE_STR[taskInfo.getType().ordinal()];
}
public TASK_TYPE getType() {
return getTaskInfo().getType();
}
public String getClusterName() {
return clusterName;
}
public void setClusterName(String clusterName) {
this.clusterName = clusterName;
}
public TaskInfo getTaskInfo() {
return taskInfo;
}
public void setTaskInfo(TaskInfo info) {
this.taskInfo = info;
}
public abstract String getId();
public abstract void start();
public abstract void resume();
public abstract void stop();
public abstract void pause();
public abstract void commit();
/**
* This method should check current status of the task and update it's taskInfo accordingly
*/
public abstract TaskStatus checkStatus();
}
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