projectusebean.java~

来自「J2EE & Tomcat books published by hope」· JAVA~ 代码 · 共 82 行

/*
 */

package com.sun.j2ee.workflow.control.web;

import java.util.Collection;

import com.sun.j2ee.workflow.util.JNDINames;
import com.sun.j2ee.workflow.project.model.ProjectModel;
import com.sun.j2ee.workflow.project.dao.ProjectDAOImpl;
import com.sun.j2ee.workflow.project.exceptions.*;
import com.sun.j2ee.workflow.control.exceptions.GeneralFailureException;
import com.sun.j2ee.workflow.control.exceptions.WorkflowAppException;

import com.sun.j2ee.workflow.util.Debug;

/**
 * This class is the web-tier representation of the project.
 */
public class ProjectUseBean implements java.io.Serializable {

    private ProjectModel project = null;
    private boolean cached = false;
    public ProjectUseBean() {}
    
    public ProjectModel getProject(String project_ID) {
      if (cached==false)
       {
          try {
           ProjectDAOImpl projectDa = new ProjectDAOImpl();
           String project_id = projectDa.findByPrimaryKey(project_ID);
           Debug.println("found project id: "+project_id);
           project = projectDa.load(project_id);
           //account = cust.getDetails();
            } catch (ProjectDAOFinderException fe) {
                throw new GeneralFailureException("Unable to find the password details for project " );
            } catch (ProjectDAOSysException se) {
            Debug.println("found ProjectDAOSysException se" + se.toString());
            }
            return project;
        }   
        else
        {
            project = loadFromCache(project_ID);
            return project;
        }
}

    public Collection getProjectbyName(String project_name) {
        Collection projects = null;  
        try {
           ProjectDAOImpl projectDa = new ProjectDAOImpl();
           projects = projectDa.findByName(project_name);
           Debug.println("found project id: "+project_name);
            } catch (ProjectDAOFinderException fe) {
                throw new GeneralFailureException("Unable to find the project by name " +project_name );
            } catch (ProjectDAOSysException se) {
            Debug.println("found ProjectDAOSysException se" + se.toString());
            }
            return projects;
        }   

    public Collection getProjectList() {
        Collection projects = null;  
        try {
           ProjectDAOImpl projectDa = new ProjectDAOImpl();
           projects = projectDa.findAll();
            } catch (ProjectDAOFinderException fe) {
                throw new GeneralFailureException("Unable to find all project by name ");
            } catch (ProjectDAOSysException se) {
            Debug.println("found ProjectDAOSysException se" + se.toString());
            }
            return projects;
        } 
    private ProjectModel loadFromCache(String project_ID)
    {
        ProjectModel project = null; //need to be implemented
        return project;
    }
}