contactinfoejb.java

《J2EE企业级应用开发》一书的配套源代码

package com.j2eeapp.cdstore.customer;

import java.rmi.RemoteException;
import javax.ejb.*;
import com.j2eeapp.cdstore.servicelovator.EJBServiceLocator;
import com.j2eeapp.cdstore.vo.ContactInfo;
import com.j2eeapp.cdstore.vo.Address;

/**
 * contact
 * =address
 * name
 * email
 * phone
 */
public abstract class ContactInfoEJB implements EntityBean
{
    /**
     * Attributes declaration
    */
    public EntityContext EJB_Context=null;
    
    /**
     * @J2EE_METHOD  --  ContactInfoEJB
     */
    public ContactInfoEJB    ()  
    { 

    }
    
    /**
     * @J2EE_METHOD  --  ejbCreate
     * Matching method of the create() method of the bean's home interface. The container
     * invokes an ejbCreate method to create an entity object. It executes in the transaction
     * context determined by the transaction attribute of the matching create() method.
     * @throws javax.ejb.CreateException
     */
    public String ejbCreate    (String name) throws CreateException 
    { 
 		setName(name);
 		return null;    
    }
    
    /**
     * @J2EE_METHOD  --  ejbPostCreate
     * Matching method of ejbCreate. The container invokes the matching ejbPostCreate method
     * on an instance after it invokes the ejbCreate method with the same arguments. It
     * executes in the same transaction context as that of the matching ejbCreate method.
     * @throws javax.ejb.CreateException
     */
    public void ejbPostCreate    (String name) throws CreateException 
    { 
	
    }
    
    //ejbcreate
     public String ejbCreate(String name,String telephone, 
     	String email, Address address)throws CreateException {
	    setName(name);
	    setTelephone(telephone);
	    setEmail(email);
	    setAddress(address);
	    return null;
  	}
    
	  public void ejbPostCreate(String name,String telephone, 
	     	String email, Address address)throws CreateException {
	   }
	
    //ejbcreate
     public String ejbCreate(ContactInfo contactInfo) throws CreateException {
	    setName(contactInfo.getName());
	    setTelephone(contactInfo.getPhone());
	    setEmail(contactInfo.getEmail());
	    setAddress(contactInfo.getAddress());
	    return null;
 	 }

     public void ejbPostCreate(ContactInfo contactInfo) throws CreateException {
     }
     
    /**
     * @J2EE_METHOD  --  ejbActivate
     * A container invokes this method when the instance is taken out of the pool of available
     * instances to become associated with a specific EJB object. This method transitions
     * the instance to the ready state. This method executes in an unspecified transaction
     * context.
     */
    public void ejbActivate    ()  
    { 

    }
    
    /**
     * @J2EE_METHOD  --  ejbPassivate
     * A container invokes this method on an instance before the instance becomes disassociated
     * with a specific EJB object. After this method completes, the container will place
     * the instance into the pool of available instances. This method executes in an unspecified
     * transaction context.
     */
    public void ejbPassivate    ()  
    { 

    }
    
    /**
     * @J2EE_METHOD  --  ejbLoad
     * A container invokes this method to instruct the instance to synchronize its state
     * by loading it from the underlying database. This method always executes in the transaction
     * context determined by the value of the transaction attribute in the deployment descriptor.
     */
    public void ejbLoad    ()  
    { 

    }
    
    /**
     * @J2EE_METHOD  --  ejbStore
     * A container invokes this method to instruct the instance to synchronize its state
     * by storing it to the underlying database. This method always executes in the transaction
     * context determined by the value of the transaction attribute in the deployment descriptor.
     */
    public void ejbStore    ()  
    { 

    }
    
    /**
     * @J2EE_METHOD  --  ejbRemove
     * A container invokes this method before it removes the EJB object that is currently
     * associated with the instance. It is invoked when a client invokes a remove operation
     * on the enterprise Bean's home or remote interface. It transitions the instance from
     * the ready state to the pool of available instances. It is called in the transaction
     * context of the remove operation.
     * @throws javax.ejb.RemoveException
     */
    public void ejbRemove    () throws RemoveException 
    { 

    }
    
    /**
     * @J2EE_METHOD  --  setEntityContext
     * Set the associated entity context. The container invokes this method on an instance
     * after the instance has been created. This method is called in an unspecified transaction
     * context. 
     */
    public void setEntityContext    (EntityContext ctx)  
    { 
		EJB_Context=ctx;
    }
    
    /**
     * @J2EE_METHOD  --  unsetEntityContext
     * Unset the associated entity context. The container calls this method before removing
     * the instance. This is the last method that the container invokes on the instance.
     * The Java garbage collector will  invoke the finalize() method on the instance. It
     * is called in an unspecified transaction context.
     */
    public void unsetEntityContext    ()  
    { 
		EJB_Context=null;
    }
    
    /**
     * @J2EE_METHOD  --  getName
     */
    public abstract String getName    (); 
    
    /**
     * @J2EE_METHOD  --  setName
     */
    public abstract void setName    (String newName); 
    
    /**
     * @J2EE_METHOD  --  getTelephone
     */
    public abstract String getTelephone    (); 
    
    /**
     * @J2EE_METHOD  --  setTelephone
     */
    public abstract void setTelephone    (String newTelephone); 
    
    /**
     * @J2EE_METHOD  --  getEmail
     */
    public abstract String getEmail    (); 
    
    /**
     * @J2EE_METHOD  --  setEmail
     */
    public abstract void setEmail    (String newEmail); 
    
    /**
     * @J2EE_METHOD  --  getAddress
     */
    public abstract Address getAddress    (); 
    
    /**
     * @J2EE_METHOD  --  setAddress
     */
    public abstract void setAddress    (Address newAddress); 
    
    //business method getall contact data
    public ContactInfo getData() {
	    ContactInfo contactInfo = new ContactInfo();
	    contactInfo.setName(getName());
	    contactInfo.setPhone(getTelephone());
	    contactInfo.setEmail(getEmail());
	    contactInfo.setAddress(getAddress());
	    return contactInfo;
 	 }

}