springconfiguration.java

一个很好实用的工作流OSWORKFLOW开发例子.有着非常优秀的灵活性.

/*
 * 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.loader.WorkflowFactory;
import com.opensymphony.workflow.spi.WorkflowStore;
import com.opensymphony.workflow.util.DefaultVariableResolver;
import com.opensymphony.workflow.util.VariableResolver;

import java.net.URL;

import java.util.Map;


/**
 * @author        Quake Wang
 * @since        2004-5-2
 * @version $Revision: 1.4 $
 *
 **/
public class SpringConfiguration implements Configuration {
    //~ Instance fields ////////////////////////////////////////////////////////

    //we init this for backward compat since existing spring configs likely don't specify this
    private VariableResolver variableResolver = new DefaultVariableResolver();
    private WorkflowFactory factory;
    private WorkflowStore store;

    //~ Methods ////////////////////////////////////////////////////////////////

    public void setFactory(WorkflowFactory factory) {
        this.factory = factory;
    }

    public boolean isInitialized() {
        return false;
    }

    public boolean isModifiable(String name) {
        return factory.isModifiable(name);
    }

    public String getPersistence() {
        return null;
    }

    public Map getPersistenceArgs() {
        return null;
    }

    public void setStore(WorkflowStore store) {
        this.store = store;
    }

    public void setVariableResolver(VariableResolver variableResolver) {
        this.variableResolver = variableResolver;
    }

    public VariableResolver getVariableResolver() {
        return variableResolver;
    }

    public WorkflowDescriptor getWorkflow(String name) throws FactoryException {
        WorkflowDescriptor workflow = factory.getWorkflow(name);

        if (workflow == null) {
            throw new FactoryException("Unknown workflow name");
        }

        return workflow;
    }

    public String[] getWorkflowNames() throws FactoryException {
        return factory.getWorkflowNames();
    }

    public WorkflowStore getWorkflowStore() throws StoreException {
        return store;
    }

    public void load(URL url) throws FactoryException {
    }

    public boolean removeWorkflow(String workflow) throws FactoryException {
        return factory.removeWorkflow(workflow);
    }

    public boolean saveWorkflow(String name, WorkflowDescriptor descriptor, boolean replace) throws FactoryException {
        return factory.saveWorkflow(name, descriptor, replace);
    }
}