getEntry 方法在后台使用搜索,因此如果搜索有效,那么 getEntry 也应该有效。我刚刚进行了快速测试,它对我有用。使用最新的 LDAP SDK 版本 (2.3.6) 和以下代码,我在遵循推荐后得到了预期的条目。如果我注释掉“opts.setFollowReferrals(true)”行,那么我会得到一个推荐异常:
import com.unboundid.ldap.listener.*;
import com.unboundid.ldap.sdk.*;
public class ReferralTest
{
public static void main(final String... args)
throws Exception
{
final InMemoryDirectoryServerConfig cfg =
new InMemoryDirectoryServerConfig("dc=example,dc=com");
final InMemoryDirectoryServer ds1 = new InMemoryDirectoryServer(cfg);
final InMemoryDirectoryServer ds2 = new InMemoryDirectoryServer(cfg);
ds1.startListening();
ds2.startListening();
final LDAPConnectionOptions opts = new LDAPConnectionOptions();
opts.setFollowReferrals(true);
final LDAPConnection conn1 = ds1.getConnection(opts);
final LDAPConnection conn2 = ds2.getConnection(opts);
conn1.add(
"dn: dc=example,dc=com",
"objectClass: top",
"objectClass: domain",
"dc: example");
conn1.add(
"dn: ou=Referral Entry,dc=example,dc=com",
"objectClass: top",
"objectClass: organizationalUnit",
"ou: Referral Entry",
"description: This is a referral entry");
conn2.add(
"dn: dc=example,dc=com",
"objectClass: top",
"objectClass: domain",
"dc: example");
conn2.add(
"dn: ou=Referral Entry,dc=example,dc=com",
"objectClass: top",
"objectClass: referral",
"objectClass: extensibleObject",
"ou: Referral Entry",
"ref: ldap://127.0.0.1:" + ds1.getListenPort() +
"/ou=Referral Entry,dc=example,dc=com");
final Entry e = conn2.getEntry("ou=Referral Entry,dc=example,dc=com");
System.out.println(e.toLDIFString());
conn1.close();
conn2.close();
ds1.shutDown(true);
ds2.shutDown(true);
}
}