/**
* 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.webcomponents.workflow.instance;
import java.text.NumberFormat;
import java.util.Iterator;
import java.util.List;
import org.apache.oodt.cas.metadata.Metadata;
import org.apache.oodt.cas.webcomponents.workflow.WorkflowMgrConn;
import org.apache.oodt.cas.webcomponents.workflow.pagination.WorkflowPagePaginator;
import org.apache.oodt.cas.workflow.instrepo.WorkflowInstanceMetMap;
import org.apache.oodt.cas.workflow.instrepo.WorkflowInstanceMetadataReader;
import org.apache.oodt.cas.workflow.lifecycle.WorkflowLifecycleManager;
import org.apache.oodt.cas.workflow.structs.WorkflowInstance;
import org.apache.oodt.cas.workflow.structs.WorkflowInstancePage;
import org.apache.oodt.cas.workflow.structs.WorkflowTask;
import org.apache.wicket.IResourceListener;
import org.apache.wicket.PageParameters;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.behavior.SimpleAttributeModifier;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.link.ResourceLink;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.util.ListModel;
import org.apache.wicket.util.value.ValueMap;
/**
*
* Describe your class here.
*
* @author mattmann
* @version $Revision$
*
*/
public class WorkflowInstancesViewer extends Panel {
private static final long serialVersionUID = -311004303658412137L;
private WorkflowMgrConn wm;
private int pageNum;
private int startIdx;
private int endIdx;
private int totalWorkflowInsts;
private static final int PAGE_SIZE = 20;
/**
* @param id
*/
public WorkflowInstancesViewer(String id, String workflowUrlStr,
final String status, int pageNum, List<String> wStatuses,
final String lifecycleFilePath, final String metInstanceFilePath,
final Class<? extends WebPage> workflowViewer,
final Class<? extends WebPage> workflowTaskViewer,
final Class<? extends WebPage> workflowInstViewer) {
super(id);
this.wm = new WorkflowMgrConn(workflowUrlStr);
this.pageNum = pageNum;
WorkflowInstancePage page = null;
System.out.println("STATUS IS "+status);
if (status.equals("ALL")) {
page = this.wm.safeGetWorkflowInstPageByStatus(pageNum);
} else {
page = this.wm.safeGetWorkflowInstPageByStatus(pageNum, status);
}
this.computeStartEndIdx(page);
add(new ListView<String>("workflow_statuses", new ListModel<String>(
wStatuses)) {
/*
* (non-Javadoc)
*
* @see
* org.apache.wicket.markup.html.list.ListView#populateItem(org.apache
* .wicket.markup.html.list.ListItem)
*/
@Override
protected void populateItem(ListItem<String> item) {
Link<String> wStatusLink = new Link<String>("wstatus_link", new Model(
item.getModelObject())) {
/*
* (non-Javadoc)
*
* @see org.apache.wicket.markup.html.link.Link#onClick()
*/
@Override
public void onClick() {
PageParameters params = new PageParameters();
params.add("status", getModelObject());
setResponsePage(getPage().getClass(), params);
}
};
Label wStatusLabel = new Label("wstatus", item.getModelObject());
if (item.getModelObject().equals(status)) {
wStatusLabel.add(new SimpleAttributeModifier("class", "selected"));
}
wStatusLink.add(wStatusLabel);
item.add(wStatusLink);
}
});
add(new Label("start_idx", String.valueOf(this.startIdx)));
add(new Label("end_idx", String.valueOf(this.endIdx)));
add(new Label("num_insts", String.valueOf(this.totalWorkflowInsts)));
add(new ListView<WorkflowInstance>("workflow_insts",
new ListModel<WorkflowInstance>(page.getPageWorkflows())) {
/*
* (non-Javadoc)
*
* @see
* org.apache.wicket.markup.html.list.ListView#populateItem(org.apache
* .wicket.markup.html.list.ListItem)
*/
@Override
protected void populateItem(ListItem<WorkflowInstance> item) {
WorkflowInstance inst = item.getModelObject();
Link<String> workflowLink = new Link<String>("workflow_link", new Model<String>(inst
.getWorkflow().getId())) {
/*
* (non-Javadoc)
*
* @see org.apache.wicket.markup.html.link.Link#onClick()
*/
@Override
public void onClick() {
PageParameters params = new PageParameters();
params.add("id", getModelObject());
setResponsePage(workflowViewer, params);
}
};
workflowLink.add(new Label("workflow_name", inst.getWorkflow().getName()));
item.add(workflowLink);
String instMetString = getWorkflowInstMet(inst, metInstanceFilePath);
item.add(new Label("inst_met_display", instMetString));
ResourceReference imgRef = new ResourceReference(WorkflowInstancesViewer.class,
"percentImage.png");
imgRef.bind(getApplication());
String resRefString = getRequestCycle().urlFor(imgRef, new ValueMap()).toString();
item.add(new Label("winst_display", "display('" + resRefString
+ "', 'winst_" + inst.getId() + "_progress', "
+ getPctComplete(inst, lifecycleFilePath) + ", 1);").setEscapeModelStrings(false));
item.add(new Label("winst_status", inst.getStatus()));
item.add(new Label("winst_wallclock_mins", formatWallClockMins(wm
.safeGetWorkflowWallClockMinutes(inst))));
item.add(new Label("winst_task_wallclock_mins", formatWallClockMins(wm
.safeGetWorkflowCurrentTaskWallClockMinutes(inst))));
Link<String> taskLink = new Link<String>("task_link", new Model<String>(inst
.getCurrentTaskId())) {
/*
* (non-Javadoc)
*
* @see org.apache.wicket.markup.html.link.Link#onClick()
*/
@Override
public void onClick() {
PageParameters params = new PageParameters();
params.add("id", getModelObject());
setResponsePage(workflowTaskViewer, params);
}
};
taskLink.add(new Label("task_name", getTaskNameFromTaskId(inst, inst.getCurrentTaskId())));
item.add(taskLink);
}
});
add(new WorkflowPagePaginator("paginator", page, status, workflowInstViewer));
}
private void computeStartEndIdx(WorkflowInstancePage page) {
if (page.getTotalPages() == 1) {
this.totalWorkflowInsts = page.getPageWorkflows().size();
this.pageNum = 1;
} else if (page.getTotalPages() == 0) {
this.totalWorkflowInsts = 0;
this.pageNum = 1;
} else {
this.totalWorkflowInsts = (page.getTotalPages() - 1) * PAGE_SIZE;
this.pageNum = page.getPageNum();
// get the last page
WorkflowInstancePage lastPage = null;
lastPage = wm.safeGetWorkflowInstPageByStatus(page.getTotalPages());
this.totalWorkflowInsts += lastPage.getPageWorkflows().size();
}
this.endIdx = this.totalWorkflowInsts != 0 ? Math.min(
this.totalWorkflowInsts, (PAGE_SIZE) * (this.pageNum)) : 0;
this.startIdx = this.totalWorkflowInsts != 0 ? ((this.pageNum - 1) * PAGE_SIZE) + 1
: 0;
}
private String getWorkflowInstMet(WorkflowInstance inst, String metMapFilePath) {
WorkflowInstanceMetMap wInstMetMap = null;
String metString = null;
try {
wInstMetMap = WorkflowInstanceMetadataReader
.parseMetMapFile(metMapFilePath);
Metadata instMetadata = wm.getWM().getWorkflowInstanceMetadata(
inst.getId());
List<String> wInstFields = wInstMetMap.getFieldsForWorkflow(inst
.getWorkflow().getId()) != null ? wInstMetMap
.getFieldsForWorkflow(inst.getWorkflow().getId()) : wInstMetMap
.getDefaultFields();
StringBuffer metStrBuf = new StringBuffer();
for (String wInstField : wInstFields) {
metStrBuf.append(wInstField);
metStrBuf.append(":");
metStrBuf.append(instMetadata.getMetadata(wInstField));
metStrBuf.append(",");
}
metStrBuf.deleteCharAt(metStrBuf.length() - 1);
metString = metStrBuf.toString();
} catch (Exception e) {
e.printStackTrace();
}
return metString;
}
private String formatWallClockMins(double wallClockMins) {
NumberFormat fn = NumberFormat.getNumberInstance();
fn.setMaximumFractionDigits(2);
fn.setMinimumFractionDigits(2);
return fn.format(wallClockMins);
}
private String getPctComplete(WorkflowInstance inst, String lifecycleFilePath) {
WorkflowLifecycleManager lifecycleMgr = null;
try {
lifecycleMgr = new WorkflowLifecycleManager(lifecycleFilePath);
} catch (Exception e) {
e.printStackTrace();
}
return lifecycleMgr
.formatPct(lifecycleMgr.getPercentageComplete(inst) * 100.0);
}
private String getTaskNameFromTaskId(WorkflowInstance w, String taskId) {
if (w.getWorkflow() != null && w.getWorkflow().getTasks() != null
&& w.getWorkflow().getTasks().size() > 0) {
for(WorkflowTask task: (List<WorkflowTask>)(List<?>)w.getWorkflow().getTasks()){
if (task.getTaskId().equals(taskId)) {
return task.getTaskName();
}
}
return null;
} else
return null;
}
}