コレクションフィールドとDWRで、GAEjを業務用に進化

package jdoajax;
 
import java.util.Date;
import java.util.List;
import javax.jdo.annotations.IdGeneratorStrategy;
import javax.jdo.annotations.IdentityType;
import javax.jdo.annotations.PersistenceCapable;
import javax.jdo.annotations.Persistent;
import javax.jdo.annotations.PrimaryKey;
 
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class questMsg {
    
    @PrimaryKey
    @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
    private Long id;
    @Persistent
    private String q1;
    @Persistent                                                         // 【1】
    private List<String> q2;                                            // 【1】    
    @Persistent
    private String q3;
    @Persistent
    private String comment;
    @Persistent
    private String qname;
    @Persistent
    private String qmail;
    @Persistent
    private String qaddr;
    @Persistent
    private Date date;
    
    public questMsg(String q1,
                    List<String> q2,                                    // 【2】
                    String q3,
                    String comment,
                    String qname,
                    String qmail,
                    String qaddr,
                    Date date) {
        this.q1 = q1;
        this.q2 = q2;                                                   // 【3】
        this.q3 = q3;
        this.comment = comment;
        this.qname = qname;
        this.qmail = qmail;
        this.qaddr = qaddr;
        this.date = date;
    }
    
    public Long getId() { return id; }
    public String getQ1() { return q1; }
    public List<String> getQ2() { return q2; }
    public String getQ3() { return q3; }
    public String getComment() { return comment; }
    public String getQname() { return qname; }
    public String getQmail() { return qmail; }
    public String getQaddr() { return qaddr; }
    public Date getDate() { return date; }

    public void setQ1(String q1) { this.q1 = q1; }
    public void setQ2(List<String> q2) { this.q2 = q2; }                // 【4】
    public void setQ3(String q3) { this.q3 = q3; }
    public void setComment(String comment) { this.comment = comment; }
    public void setQname(String qname) { this.qname = qname; }
    public void setQmail(String qmail) { this.qmail = qmail; }
    public void setQaddr(String qaddr) { this.qaddr = qaddr; }
    public void setDate(Date date) { this.date = date; }
}

package jdoajax;
 
import javax.jdo.JDOHelper;
import javax.jdo.PersistenceManagerFactory;
 
public final class PMF {
    private static final PersistenceManagerFactory pmfInstance =
        JDOHelper.getPersistenceManagerFactory("transactions-optional");
 
    private PMF() {}
 
    public static PersistenceManagerFactory get() {
        return pmfInstance;
    }
}

String[] q2_sr = (String[])q2_l.toArray(new String[0]);   // 【10】

<?xml version="1.0" encoding="utf-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
  version="2.4">
    
  <servlet>
    <servlet-name>dwr-invoker</servlet-name>
    <servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
    <--【1】始まり-->
    <init-param>
      <param-name>debug</param-name>
      <param-value>true</param-value>
    </init-param>
    <--【1】終わり-->
 
    <init-param>
      <param-name>pollAndCometEnabled</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>activeReverseAjaxEnabled</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>maxWaitAfterWrite</param-name>
      <param-value>500</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dwr-invoker</servlet-name>
    <url-pattern>/dwr/*</url-pattern>
  </servlet-mapping>
  	
  <--【2】始まり-->
  <welcome-file-list>
    <welcome-file>dwrMenu.htm</welcome-file>
  </welcome-file-list>
  <--【2】終わり-->
</web-app>

<!DOCTYPE dwr PUBLIC
    "-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN"
    "http://www.getahead.ltd.uk/dwr/dwr10.dtd">
<dwr>
  <allow>
    <create creator="new" class="jdoajax.commentBean" javascript="commentBean"/>
    <create creator="new" class="jdoajax.questBean" javascript="questBean"/>
  </allow>
</dwr>