ai.grakn.engine.attribute.deduplicator

Class AttributeDeduplicator

java.lang.Object

ai.grakn.engine.attribute.deduplicator.AttributeDeduplicator

public class AttributeDeduplicator
extends Object

The class containing the actual de-duplication algorithm.

Author:

Ganeshwara Herawan Hananda

Constructor Summary

Constructors

Constructor and Description
AttributeDeduplicator()

Method Summary

Modifier and Type	Method and Description
static void	deduplicate(EmbeddedGraknTx tx, KeyspaceIndexPair keyspaceIndexPair) Deduplicate attributes that has the same value.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeDeduplicator

public AttributeDeduplicator()

Method Detail

deduplicate

public static void deduplicate(EmbeddedGraknTx tx,
                               KeyspaceIndexPair keyspaceIndexPair)

Deduplicate attributes that has the same value. A de-duplication process consists of picking a single attribute in the duplicates as the "merge target", copying every edges from every "other duplicates" to the merge target, and finally deleting that other duplicates.

Parameters:

tx - the transaction used for accessing the database

keyspaceIndexPair - the pair containing information about the attribute keyspace and index