/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.config;import com.opensymphony.workflow.FactoryException;import com.opensymphony.workflow.StoreException;import com.opensymphony.workflow.loader.WorkflowDescriptor;import com.opensymphony.workflow.spi.WorkflowStore;import com.opensymphony.workflow.util.VariableResolver;import java.net.URL;import java.util.Map;/** * Configuration object that is responsible for all 'static' workflow information. * This includes loading of workflow configurations, setting up the workflow * descriptor factory, as well as proxying calls to the underlying descriptor * factory. * Date: Mar 22, 2004 * Time: 3:42:19 PM * * @author hani */public interface Configuration {    //~ Methods ////////////////////////////////////////////////////////////////    /**     * @return true if this factory has been initialised.     * If the factory is not initialised, then {@link #load(java.net.URL)}     * will be called.     */    boolean isInitialized();    /**     * Check if a particular workflow can be modified or not.     * @param name The workflow name.     * @return true if the workflow can be modified, false otherwise.     */    boolean isModifiable(String name);    /**     * Get the fully qualified class name of the persistence store.     */    String getPersistence();    /**     * Get the persistence args for the persistence store.     * Note that this returns the actual args and not a copy,     * so modifications to the returned Map could potentially     * affect store behaviour.     */    Map getPersistenceArgs();    /**     * Return the resolver to use for all variables specified in scripts     */    VariableResolver getVariableResolver();    /**     * Get the named workflow descriptor.     * @param name the workflow name     * @throws FactoryException if there was an error looking up the descriptor or if it could not be found.     */    WorkflowDescriptor getWorkflow(String name) throws FactoryException;    /**     * Get a list of all available workflow descriptor names.     * @throws FactoryException if the underlying factory does not support this method     * or if there was an error looking up workflow names.     */    String[] getWorkflowNames() throws FactoryException;    WorkflowStore getWorkflowStore() throws StoreException;    /**     * Load the specified configuration file.     * @param url url to the configuration file.     */    void load(URL url) throws FactoryException;    /**     * Remove the specified workflow.     * @param workflow The workflow name of the workflow to remove.     * @return true if the workflow was removed, false otherwise.     * @throws FactoryException If the underlying workflow factory has an error removing the workflow,     * or if it does not support the removal of workflows.     */    boolean removeWorkflow(String workflow) throws FactoryException;    boolean saveWorkflow(String name, WorkflowDescriptor descriptor, boolean replace) throws FactoryException;}