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javax.naming.ldap
Class PagedResultsResponseControl

java.lang.Object
  javax.naming.ldap.BasicControl
      javax.naming.ldap.PagedResultsResponseControl

All Implemented Interfaces:

Serializable, Control

public final class PagedResultsResponseControl
extends BasicControl

Indicates the end of a batch of search results. Contains an estimate of the total number of entries in the result set and an opaque cookie. The cookie must be supplied to the next search operation in order to get the next batch of results.

The code sample in PagedResultsControl shows how this class may be used.

This class implements the LDAPv3 Response Control for paged-results as defined in RFC 2696. The control's value has the following ASN.1 definition:

     realSearchControlValue ::= SEQUENCE {
         size      INTEGER (0..maxInt),
                           -- requested page size from client
                           -- result set size estimate from server
         cookie    OCTET STRING
     }

 

Since:

1.5

See Also:

PagedResultsControl, Serialized Form

Field Summary

Modifier and Type	Field and Description
static String	OID The paged-results response control's assigned object identifier is 1.2.840.113556.1.4.319.

Fields inherited from class javax.naming.ldap.BasicControl

criticality, id, value

Fields inherited from interface javax.naming.ldap.Control

CRITICAL, NONCRITICAL

Constructor and Description

PagedResultsResponseControl(String id, boolean criticality, byte[] value)
Constructs a paged-results response control.

Method Summary

Modifier and Type	Method and Description
byte[]	getCookie() Retrieves the server-generated cookie.
int	getResultSize() Retrieves (an estimate of) the number of entries in the search result.

Methods inherited from class javax.naming.ldap.BasicControl

getEncodedValue, getID, isCritical

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OID

public static final String OID

The paged-results response control's assigned object identifier is 1.2.840.113556.1.4.319.

See Also:

Constant Field Values

Constructor Detail

PagedResultsResponseControl

public PagedResultsResponseControl(String id,
                                   boolean criticality,
                                   byte[] value)
                            throws IOException

Constructs a paged-results response control.

Parameters:

id - The control's object identifier string.

criticality - The control's criticality.

value - The control's ASN.1 BER encoded value. It is not cloned - any changes to value will affect the contents of the control.

Throws:

IOException - If an error was encountered while decoding the control's value.

Method Detail

getResultSize

public int getResultSize()

Retrieves (an estimate of) the number of entries in the search result.

Returns:

The number of entries in the search result, or zero if unknown.

getCookie

public byte[] getCookie()

Retrieves the server-generated cookie. Null is returned when there are no more entries for the server to return.

Returns:

A possibly null server-generated cookie. It is not cloned - any changes to the cookie will update the control's state and thus are not recommended.