一个关于实体Bean的问题

Question

<ejb-ql> 
    <![CDATA[WHERE id = ?1]]> 
</ejb-ql>
有吗?! 

Answer 1

ejb-jar.xml如下：<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">
<ejb-jar>
    <enterprise-beans>
        <entity>
            <display-name>USer</display-name>
            <ejb-name>USer</ejb-name>
            <home>ejbtest1.USerRemoteHome</home>
            <remote>ejbtest1.USerRemote</remote>
            <ejb-class>ejbtest1.USerBean</ejb-class>
            <persistence-type>Container</persistence-type>
            <prim-key-class>ejbtest1.USerPK</prim-key-class>
            <reentrant>False</reentrant>
            <cmp-version>2.x</cmp-version>
            <abstract-schema-name>USer</abstract-schema-name>
            <cmp-field>
                <field-name>id</field-name>
            </cmp-field>
            <cmp-field>
                <field-name>name</field-name>
            </cmp-field>
            <cmp-field>
                <field-name>kl</field-name>
            </cmp-field>
            <query>
                <query-method>
                    <method-name>findAll</method-name>
                    <method-params />
                </query-method>
                <ejb-ql>select object(a) from USer as a</ejb-ql>
            </query>
            <query>
                <query-method>
                    <method-name>ejbSelectOne</method-name>
                    <method-params>
                        <method-param>java.lang.String</method-param>
                    </method-params>
                </query-method>
                <result-type-mapping>Remote</result-type-mapping>
                <ejb-ql>select object(p) from USer as p where p.id=?1</ejb-ql>
            </query>
        </entity>
    </enterprise-beans>
    <assembly-descriptor>
        <container-transaction>
            <method>
                <ejb-name>USer</ejb-name>
                <method-name>*</method-name>
            </method>
            <trans-attribute>Required</trans-attribute>
        </container-transaction>
    </assembly-descriptor>
</ejb-jar>