org.opends.server.backends.jeb
Class ApproximateIndexer

java.lang.Object
  org.opends.server.backends.jeb.Indexer
      org.opends.server.backends.jeb.ApproximateIndexer

public class ApproximateIndexer
extends Indexer

An implementation of an Indexer for attribute approximate matching.

Constructor Summary

ApproximateIndexer(AttributeType attributeType)
Create a new attribute approximate indexer for the given index configuration.

Method Summary

java.util.Comparator<byte[]>	getComparator() Get the comparator that must be used to compare index keys generated by this class.
void	indexEntry(Entry entry, java.util.Set<byte[]> keys) Generate the set of index keys for an entry.
void	modifyEntry(Entry oldEntry, Entry newEntry, java.util.List<Modification> mods, java.util.Map<byte[],java.lang.Boolean> modifiedKeys) Generate the set of index keys to be added and the set of index keys to be deleted for an entry that was modified.
void	replaceEntry(Entry oldEntry, Entry newEntry, java.util.Map<byte[],java.lang.Boolean> modifiedKeys) Generate the set of index keys to be added and the set of index keys to be deleted for an entry that has been replaced.
java.lang.String	toString() Get a string representation of this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

ApproximateIndexer

public ApproximateIndexer(AttributeType attributeType)

Create a new attribute approximate indexer for the given index configuration.

Parameters:

attributeType - The attribute type for which an indexer is required.

Method Detail

toString

public java.lang.String toString()

Get a string representation of this object. The returned value is used to name an index created using this object.

Overrides:

toString in class java.lang.Object

Returns:

A string representation of this object.

getComparator

public java.util.Comparator<byte[]> getComparator()

Get the comparator that must be used to compare index keys generated by this class.

Specified by:

getComparator in class Indexer

Returns:

A byte array comparator.

indexEntry

public void indexEntry(Entry entry,
                       java.util.Set<byte[]> keys)

Generate the set of index keys for an entry.

Specified by:

indexEntry in class Indexer

Parameters:

entry - The entry.

keys - The set into which the generated keys will be inserted.

replaceEntry

public void replaceEntry(Entry oldEntry,
                         Entry newEntry,
                         java.util.Map<byte[],java.lang.Boolean> modifiedKeys)

Generate the set of index keys to be added and the set of index keys to be deleted for an entry that has been replaced.

Specified by:

replaceEntry in class Indexer

Parameters:

oldEntry - The original entry contents.

newEntry - The new entry contents.

modifiedKeys - The map into which the modified keys will be inserted.

modifyEntry

public void modifyEntry(Entry oldEntry,
                        Entry newEntry,
                        java.util.List<Modification> mods,
                        java.util.Map<byte[],java.lang.Boolean> modifiedKeys)

Generate the set of index keys to be added and the set of index keys to be deleted for an entry that was modified.

Specified by:

modifyEntry in class Indexer

Parameters:

oldEntry - The original entry contents.

newEntry - The new entry contents.

mods - The set of modifications that were applied to the entry.

modifiedKeys - The map into which the modified keys will be inserted.