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javax.naming.ldap
Class SortKey

java.lang.Object
  javax.naming.ldap.SortKey

public class SortKey
extends Object

A sort key and its associated sort parameters. This class implements a sort key which is used by the LDAPv3 Control for server-side sorting of search results as defined in RFC 2891.

Since:

1.5

See Also:

SortControl

Constructor and Description

SortKey(String attrID)
Creates the default sort key for an attribute.

SortKey(String attrID, boolean ascendingOrder, String matchingRuleID)
Creates a sort key for an attribute.

Method Summary

Modifier and Type	Method and Description
String	getAttributeID() Retrieves the attribute ID of the sort key.
String	getMatchingRuleID() Retrieves the matching rule ID used to order the attribute values.
boolean	isAscending() Determines the sort order.

Methods inherited from class java.lang.Object

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

Constructor Detail

SortKey

public SortKey(String attrID)

Creates the default sort key for an attribute. Entries will be sorted according to the specified attribute in ascending order using the ordering matching rule defined for use with that attribute.

Parameters:

attrID - The non-null ID of the attribute to be used as a sort key.

SortKey

public SortKey(String attrID,
               boolean ascendingOrder,
               String matchingRuleID)

Creates a sort key for an attribute. Entries will be sorted according to the specified attribute in the specified sort order and using the specified matching rule, if supplied.

Parameters:

attrID - The non-null ID of the attribute to be used as a sort key.

ascendingOrder - If true then entries are arranged in ascending order. Otherwise there are arranged in descending order.

matchingRuleID - The possibly null ID of the matching rule to use to order the attribute values. If not specified then the ordering matching rule defined for the sort key attribute is used.

Method Detail

getAttributeID

public String getAttributeID()

Retrieves the attribute ID of the sort key.

Returns:

The non-null Attribute ID of the sort key.

isAscending

public boolean isAscending()

Determines the sort order.

Returns:

true if the sort order is ascending, false if descending.

getMatchingRuleID

public String getMatchingRuleID()

Retrieves the matching rule ID used to order the attribute values.

Returns:

The possibly null matching rule ID. If null then the ordering matching rule defined for the sort key attribute is used.