com.adobe.granite.workflow.exec.WorkItem Maven / Gradle / Ivy

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 * ADOBE CONFIDENTIAL
 * __________________
 *
 *  Copyright 2012 Adobe Systems Incorporated
 *  All Rights Reserved.
 *
 * NOTICE:  All information contained herein is, and remains
 * the property of Adobe Systems Incorporated and its suppliers,
 * if any.  The intellectual and technical concepts contained
 * herein are proprietary to Adobe Systems Incorporated and its
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 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
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package com.adobe.granite.workflow.exec;

import com.adobe.granite.workflow.HasMetaData;
import com.adobe.granite.workflow.model.WorkflowModel;
import com.adobe.granite.workflow.model.WorkflowNode;

import java.util.Date;

/**
 * 
 * A WorkItem is the unit that is passed through an
 * {@link Workflow} instance of a
 * {@link WorkflowModel}.
 * 

 * It contains the {@link WorkflowData} the instances acts on and
 * a reference to the {@link WorkflowNode} that describes the underlying
 * workflow step.
 * 

 * A WorkItem can be considered as a token in a petri net that
 * flows through the net during execution.
 * 
 */
public interface WorkItem extends InboxItem, HasMetaData {
    /**
     * Returns the start time of the WorkflowItem.
     *
     * @return The start time of the WorkflowItem.
     */
    Date getTimeStarted();

    /**
     * Returns the end time of the WorkflowItem.
     *
     * @return The end time of the WorkflowItem.
     */
    Date getTimeEnded();

    /**
     * Returns the {@link Workflow} instance assigned with this
     * WorkflowItem.
     *
     * @return Workflow of the workflow instance assigned with
     *         the WorkflowItem.
     */
    Workflow getWorkflow();

    /**
     * Returns the current {@link WorkflowNode} the
     * WorkflowItem is attached to.
     *
     * @return The current {@link WorkflowNode} of the
     *         WorkflowItem.
     */
    WorkflowNode getNode();

    /**
     * Returns the ID of the WorkflowItem.
     *
     * @return ID of the WorkflowItem.
     */
    String getId();

    /**
     * Returns the {@link WorkflowData} assigned to the
     * WorkflowItem.
     *
     * @return the {@link WorkflowData} of the
     *         WorkflowItem.
     */
    WorkflowData getWorkflowData();

    /**
     * Returns the currently assigned user, respectively the info in which inbox the WorkItem "resides".
     *
     * @return current assignee
     */
    String getCurrentAssignee();
}