java.lang.Object
javax.naming.ldap.SortKey
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:
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionRetrieves the attribute ID of the sort key.Retrieves the matching rule ID used to order the attribute values.boolean
Determines the sort order.
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Constructor Details
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SortKey
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.
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SortKey
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.
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Method Details
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getAttributeID
Retrieves the attribute ID of the sort key.- Returns:
- The non-null Attribute ID of the sort key.
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isAscending
public boolean isAscending()Determines the sort order.- Returns:
- true if the sort order is ascending, false if descending.
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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.
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