package org.nutz.dao.impl.link;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.nutz.dao.entity.LinkField;
import org.nutz.dao.impl.AbstractLinkVisitor;
import org.nutz.dao.sql.Pojo;
import org.nutz.dao.sql.PojoCallback;
import org.nutz.dao.util.Pojos;
public class DoFetchLinkVisitor extends AbstractLinkVisitor {
public void visit(final Object obj, final LinkField lnk) {
Pojo pojo = opt.maker().makeQuery(lnk.getLinkedEntity());
pojo.setOperatingObject(obj);
pojo.append(Pojos.Items.cnd(lnk.createCondition(obj)));
pojo.setAfter(new PojoCallback() {
public Object invoke(Connection conn, ResultSet rs, Pojo pojo) throws SQLException {
Object value = lnk.getCallback().invoke(conn, rs, pojo);
lnk.setValue(obj, value);
return value;
}
});
opt.add(pojo);
}
}