categorytreebean.java~1~

用JBuilder+Jboos+mysql实现的EJB项目

package com.jdon.estore.catalog.tree;

import javax.ejb.*;

import com.jdon.tree.ejb.NodeManagerLocal;
import com.jdon.tree.ejb.NodeManagerLocalHome;

import com.jdon.servicelocator.ejb.ServiceLocator;
import com.jdon.estore.JNDINames;

import com.jdon.estore.catalog.CatalogManagerLocal;
import com.jdon.estore.catalog.CatalogManagerLocalHome;

import com.jdon.strutsutil.treeview.ViewNode;

import org.apache.log4j.Logger;
import java.util.*;

public class CategoryTreeBean implements SessionBean {
  private final static Logger logger = Logger.getLogger(CategoryTreeBean.class);

  SessionContext sessionContext;
  private NodeManagerLocalHome nmHome;
  private CatalogManagerLocalHome cmHome;

  public void ejbCreate() throws CreateException {
    try {
       ServiceLocator sl = new ServiceLocator();
       nmHome = (NodeManagerLocalHome) sl.getDAO(JNDINames.NODE_MANAGER_HOME);

       cmHome = (CatalogManagerLocalHome) sl.getDAO(JNDINames.NODE_MANAGER_HOME);
     } catch (Exception ex) {
       logger.error("create error:" + ex);
       throw new CreateException();
     }
  }

  public Collection getROOTChildern() throws Exception{
    try {

    NodeManagerLocal nodeManager = nmHome.create();

    ViewNode ViewNode = new ViewNode();
  } catch (Exception ex) {
    logger.error(ex);
    throw new Exception();
  }

    return null;

  }



  public void ejbRemove() {
    /**@todo Complete this method*/
  }
  public void ejbActivate() {
    /**@todo Complete this method*/
  }
  public void ejbPassivate() {
    /**@todo Complete this method*/
  }
  public void setSessionContext(SessionContext sessionContext) {
    this.sessionContext = sessionContext;
  }
}