/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.loader;import com.opensymphony.workflow.FactoryException;import java.util.Properties;/** * @author hani Date: Feb 15, 2005 Time: 11:18:48 PM */public interface WorkflowFactory {    //~ Methods ////////////////////////////////////////////////////////////////    void setLayout(String workflowName, Object layout);    Object getLayout(String workflowName);    boolean isModifiable(String name);    String getName();    Properties getProperties();    WorkflowDescriptor getWorkflow(String name) throws FactoryException;    /**     * Get a workflow descriptor given a workflow name.     * @param name The name of the workflow to get.     * @return The descriptor for the specified workflow.     * @throws com.opensymphony.workflow.FactoryException if the specified workflow name does not exist or cannot be located.     */    WorkflowDescriptor getWorkflow(String name, boolean validate) throws FactoryException;    /**       * Get all workflow names in the current factory       * @return An array of all workflow names       * @throws com.opensymphony.workflow.FactoryException if the factory cannot determine the names of the workflows it has.       */    String[] getWorkflowNames() throws FactoryException;    void createWorkflow(String name);    void init(Properties p);    void initDone() throws FactoryException;    boolean removeWorkflow(String name) throws FactoryException;    void renameWorkflow(String oldName, String newName);    void save();    /**       * Save the workflow.       * Is it the responsibility of the caller to ensure that the workflow is valid,       * through the {@link WorkflowDescriptor#validate()} method. Invalid workflows will       * be saved without being checked.       * @param name The name of the workflow to same.       * @param descriptor The descriptor for the workflow.       * @param replace true if an existing workflow with this name should be replaced.       * @return true if the workflow was saved.       * @throws com.opensymphony.workflow.FactoryException if there was an error saving the workflow       * @throws com.opensymphony.workflow.InvalidWorkflowDescriptorException if the descriptor specified is invalid       */    boolean saveWorkflow(String name, WorkflowDescriptor descriptor, boolean replace) throws FactoryException;}