content: /*
   * Copyright (c) 2002-2003 by OpenSymphony
   * All rights reserved.
   */
  package com.opensymphony.workflow.spi;
  
  import java.util.Date;
  
  /**
   * Interface for a step associated with a workflow instance.
   * 
   * @author <a href="mailto:plightbo@hotmail.com">Pat Lightbody</a>
   */
  public interface Step {
  	// ~ Methods
  	// ////////////////////////////////////////////////////////////////
  
  	/**
  	 * Returns the ID of the action associated with this step, or 0 if there is
  	 * no action associated.
  	 */
  	public int getActionId();
  
  	public String getCaller();
  
  	/**
  	 * Returns an optional date signifying when this step must be finished.
  	 */
  	public Date getDueDate();
  
  	/**
  	 * Returns the unique ID of the workflow entry.
  	 */
  	public long getEntryId();
  
  	/**
  	 * Returns the date this step was finished, or null if it isn't finished.
  	 */
  	public Date getFinishDate();
  
  	/**
  	 * Returns the unique ID of this step.
  	 */
  	public long getId();
  
  	/**
  	 * Returns the owner of this step, or null if there is no owner.
  	 */
  	public String getOwner();
  
  	/**
  	 * Returns the unique ID of the previous step, or 0 if this is the first
  	 * step.
  	 */
  	public long[] getPreviousStepIds();
  
  	/**
  	 * Returns the date that this step was created.
  	 */
  	public Date getStartDate();
  
  	/**
  	 * Returns the status of this step.
  	 */
  	public String getStatus();
  
  	/**
  	 * Returns the ID of the step in the workflow definition.
  	 */
  	public int getStepId();
  }
  