com.glaf.jbpm.action.DynamicTaskInstances.java Source code

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Here is the source code for com.glaf.jbpm.action.DynamicTaskInstances.java

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/*
 * 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 com.glaf.jbpm.action;

import java.util.Collection;
import java.util.Date;
import java.util.HashSet;
import java.util.StringTokenizer;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jbpm.context.exe.ContextInstance;
import org.jbpm.graph.def.ActionHandler;
import org.jbpm.graph.def.Node;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.graph.exe.Token;
import org.jbpm.graph.node.TaskNode;
import org.jbpm.taskmgmt.def.Task;
import org.jbpm.taskmgmt.exe.TaskInstance;
import org.jbpm.taskmgmt.exe.TaskMgmtInstance;

import com.glaf.jbpm.util.Constant;

public class DynamicTaskInstances implements ActionHandler {
    private static final Log logger = LogFactory.getLog(DynamicTaskInstances.class);

    private static final long serialVersionUID = 1L;

    /**
     * ????????contextInstance.getVariable()?
     * contextInstance.getVariable("SendDocAuditor");
     */
    protected String dynamicActors;

    /**
     * ??
     */
    protected String taskName;

    /**
     * ??
     */
    protected String transitionName;

    /**
     * ????
     */
    protected boolean leaveNodeIfActorNotAvailable;

    /**
     * ???
     */
    protected String sendMail;

    /**
     * 
     */
    protected String subject;

    /**
     * 
     */
    protected String content;

    /**
     * 
     */
    protected String taskContent;

    /**
     * ??
     */
    protected String templateId;

    public DynamicTaskInstances() {

    }

    public void execute(ExecutionContext ctx) {
        logger.debug("-------------------------------------------------------");
        logger.debug("---------------DynamicTaskInstances--------------------");
        logger.debug("-------------------------------------------------------");

        Task task = null;

        if (StringUtils.isNotEmpty(taskName)) {
            Node node = ctx.getNode();
            if (node instanceof TaskNode) {
                TaskNode taskNode = (TaskNode) node;
                task = taskNode.getTask(taskName);
            }
        }

        if (task == null) {
            task = ctx.getTask();
        }

        boolean hasActors = false;

        ContextInstance contextInstance = ctx.getContextInstance();

        if (StringUtils.isNotEmpty(dynamicActors)) {
            Token token = ctx.getToken();
            TaskMgmtInstance tmi = ctx.getTaskMgmtInstance();
            String actorIdxy = (String) contextInstance.getVariable(dynamicActors);
            if (StringUtils.isNotEmpty(actorIdxy)) {
                Collection<String> actorIds = new HashSet<String>();
                StringTokenizer st2 = new StringTokenizer(actorIdxy, ",");
                while (st2.hasMoreTokens()) {
                    String actorId = st2.nextToken();
                    if (StringUtils.isNotEmpty(actorId) && !actorIds.contains(actorId)) {
                        TaskInstance taskInstance = tmi.createTaskInstance(task, token);
                        actorIds.add(actorId);
                        taskInstance.setActorId(actorId);
                        taskInstance.setCreate(new Date());
                        taskInstance.setSignalling(task.isSignalling());
                        hasActors = true;
                    }
                }
                if (StringUtils.isNotEmpty(sendMail) && StringUtils.equals(sendMail, "true")) {
                    MailBean mailBean = new MailBean();
                    mailBean.setContent(content);
                    mailBean.setSubject(subject);
                    mailBean.setTaskContent(taskContent);
                    mailBean.setTaskName(taskName);
                    mailBean.setTemplateId(templateId);
                    mailBean.execute(ctx, actorIds);
                }
            }
        }

        // ???
        if (!hasActors) {
            if (leaveNodeIfActorNotAvailable) {
                contextInstance.setVariable(Constant.IS_AGREE, "true");
                if (StringUtils.isNotEmpty(transitionName)) {
                    ctx.leaveNode(transitionName);
                } else {
                    ctx.leaveNode();
                }
            }
        }

    }

    public void setContent(String content) {
        this.content = content;
    }

    public void setDynamicActors(String dynamicActors) {
        this.dynamicActors = dynamicActors;
    }

    public void setLeaveNodeIfActorNotAvailable(boolean leaveNodeIfActorNotAvailable) {
        this.leaveNodeIfActorNotAvailable = leaveNodeIfActorNotAvailable;
    }

    public void setSendMail(String sendMail) {
        this.sendMail = sendMail;
    }

    public void setSubject(String subject) {
        this.subject = subject;
    }

    public void setTaskContent(String taskContent) {
        this.taskContent = taskContent;
    }

    public void setTaskName(String taskName) {
        this.taskName = taskName;
    }

    public void setTemplateId(String templateId) {
        this.templateId = templateId;
    }

    public void setTransitionName(String transitionName) {
        this.transitionName = transitionName;
    }
}