/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.oodt.cas.workflow.cli.action;
//JDK imports
import java.util.List;
//Apache imports
import org.apache.commons.lang.Validate;
//OODT imports
import org.apache.oodt.cas.cli.exception.CmdLineActionException;
import org.apache.oodt.cas.workflow.structs.WorkflowInstance;
import org.apache.oodt.cas.workflow.structs.WorkflowInstancePage;
import org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManagerClient;
/**
* A {@link CmdLineAction} which gets the previous page of workflows.
*
* @author bfoster (Brian Foster)
*/
public class GetPrevPageCliAction extends WorkflowCliAction {
private int pageNum = -1;
private String status;
@SuppressWarnings("unchecked")
@Override
public void execute(ActionMessagePrinter printer)
throws CmdLineActionException {
Validate.isTrue(pageNum != -1);
try {
XmlRpcWorkflowManagerClient client = getClient();
WorkflowInstancePage page = null;
if (status != null && !status.equals("")) {
page = client.paginateWorkflowInstances(pageNum - 1, status);
} else {
page = client.paginateWorkflowInstances(pageNum - 1);
}
printer.println("Page: [num=" + page.getPageNum() + ","
+ "pageSize=" + page.getPageSize() + ",totalPages="
+ page.getTotalPages() + "]");
if (page.getPageWorkflows() == null) {
throw new Exception(
"WorkflowManager returned null page of workflows");
}
for (WorkflowInstance inst : (List<WorkflowInstance>) page
.getPageWorkflows()) {
printer.println("Instance: [id=" + inst.getId() + ", status="
+ inst.getStatus() + ", currentTask="
+ inst.getCurrentTaskId() + ", workflow="
+ inst.getWorkflow().getName() + ",wallClockTime="
+ client.getWorkflowWallClockMinutes(inst.getId())
+ ",currentTaskWallClockTime="
+ client.getWorkflowCurrentTaskWallClockMinutes(inst.getId())
+ "]");
}
} catch (Exception e) {
throw new CmdLineActionException(
"Failed to get previous page of workflows for " + "pageNum '"
+ pageNum + "' and status '" + status + "' : "
+ e.getMessage(), e);
}
}
public void setPageNum(int pageNum) {
this.pageNum = pageNum;
}
public void setStatus(String status) {
this.status = status;
}
}