Re: [eclipselink-users] Problem generating metamodel

[gjanjana <gjanjana@xxxxxxxxx>]

Thanks Guy for the response. Here is the class I have. Everything is mapped
through orm.xml, no annotations in the code. Attaching the snippet of
orm.xml as well.

--------------------------------------------
	<entity class="UserGroupList" name="UserGroupList">
		<table name="UserGroupList">
		</table>
		<attributes>
		    <id name="id" />
			<basic name="operation" />
			<basic name="groupIds" />
			<element-collection name="userNames">
				<collection-table
name="Acl_Users"></collection-table></element-collection>
		</attributes>
	</entity>


--------------------------------
public class UserGroupList implements UserGroupListAclConfig {

    /** Static logger reference. */
    private static final Logger LOGGER = LogFactory.getLogger();

    private List<String> groupIds = new ArrayList<String>();

    private List<String> userNames = new ArrayList<String>();

    private String operation;

    private String id;

    /** {@inheritDoc} */
    @Override
    
     public void addGroup(Group group) {
        if (!groupIds.contains(group.getId())) {
            groupIds.add(group.getId());
        }
    }

    /** {@inheritDoc} */
    @Override
    public void addUser(User user) {
        if (!userNames.contains(user.getName())) {
            userNames.add(user.getName());
        }
    }

    private List<String> getGroupIds() {
        return groupIds;
    }

    /** {@inheritDoc} */
    @Override
    public List<Group> getGroups() {
        GroupFactory factory = GroupFactory.getFactory();
        List<Group> groups = new ArrayList<Group>();
        for (String groupId : groupIds) {
            Group group = factory.getGroupById(groupId);
            if (group != null) {
                groups.add(group);
            }
        }
        return groups;
    }

    /**
     * Returns the id.
     * @return - String object
     */
    public String getId() {
        return id;
    }

    /** {@inheritDoc} */
    @Override
    public String getOperation() {
        return operation;
    }

    private List<String> getUserNames() {
        return userNames;
    }

    /** {@inheritDoc} */
    @Override
    public List<User> getUsers() {
        UserFactory factory = UserFactory.getFactory();
        List<User> users = new ArrayList<User>();
        for (String userName : userNames) {
            User user = factory.getUser(userName);
            if (user != null) {
                users.add(user);
            }
        }
        return users;
    }

    public void removeGroup(Group group) {
        groupIds.remove(group.getId());
    }

    public void removeUser(User user) {
        userNames.remove(user.getName());
    }

    private void setGroupIds(List<String> groupIds) {
        this.groupIds = groupIds;
    }

    /**
     * Sets the id to be used with AclConfig.
     * @param id
     */
    public void setId(String id) {
        this.id = id;
    }

    public void setOperation(String operation) {
        this.operation = operation;
    }

    private void setUserNames(List<String> userNames) {
        this.userNames = userNames;
    }
}
---------------------------------------------

Thanks,
gopal


gjanjana wrote:
> 
> Just posting this as a separate thread.
> 
> When I am running Metamodel APT either through commandline or through
> eclipse APT, I am getting following error. My entity access type is set to
> "Field" explicitly, not sure why preprocessor is trying to introspect the
> methods. Any light on this is aprreciated.
> 
> "Mapping metadata cannot be applied to properties/methods that take
> arguments. The attribute [method addGroup] from class [class
> UserGroupList] is in violation of this restriction. Ensure the method has
> no arguments if it is mapped with annotations or in an XML mapping file."
> 
> I have class userGroupList which is an entity with access type set to
> "Field" not "Property", not sure why is it trying to validate methods. I
> do have method addGroup in that class but it is just a business method 
> that EclipseLink need not worry.
> 
> For your reference, this is how I try to generate the metadata information
> using Ant:
> ------------------------------------------------------
>   <target name="generate-metamodel" >
>         <property name="metaPackage" value="metamodel"/>
>         <delete>
>             <fileset dir="${project.dir}/src"  includes="**/*_.java"/>
>         </delete>
>        <echo message="generating MetaData "/>
>        <javac   srcdir="${project.dir}/src" verbose="true"
>             destdir="${project.dir}/src"
>             classpathref="compile.class.path">
>               <compilerarg line=" -processor
> org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor" />
>               <compilerarg line=" -proc:only" compiler="javac1.6" />  
>         </javac>
> 
> </target>
> ------------------------------------------------------
> 
> 
> -gopal 
> 

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