ai.grakn.engine.task.postprocessing.redisstorage

Class RedisIndexStorage

java.lang.Object

ai.grakn.engine.task.postprocessing.redisstorage.RedisIndexStorage

All Implemented Interfaces:

IndexStorage

public class RedisIndexStorage
extends Object
implements IndexStorage

Stores a list of indices and vertex ids representing those indices which need to be post processed

Author:

fppt

Method Summary

Modifier and Type	Method and Description
void	addIndex(ai.grakn.Keyspace keyspace, String index, Set<ai.grakn.concept.ConceptId> conceptIds) Add an index to the list of indices which needs to be post processed
static RedisIndexStorage	create(redis.clients.util.Pool<redis.clients.jedis.Jedis> jedisPool, com.codahale.metrics.MetricRegistry metricRegistry)
static String	getConceptIdsKey(ai.grakn.Keyspace keyspace, String index) The key which refers to a set of vertices currently pointing to the same index
static String	getIndicesKey(ai.grakn.Keyspace keyspace) The key which refers to a list of all the indices in a certain Keyspace which need to be post processed
Set<ai.grakn.concept.ConceptId>	popIds(ai.grakn.Keyspace keyspace, String index) Gets and removes all the ids which we need to post process
String	popIndex(ai.grakn.Keyspace keyspace) Gets and removes the next index to post process

Methods inherited from class java.lang.Object

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

Method Detail

create

public static RedisIndexStorage create(redis.clients.util.Pool<redis.clients.jedis.Jedis> jedisPool,
                                       com.codahale.metrics.MetricRegistry metricRegistry)

addIndex

public void addIndex(ai.grakn.Keyspace keyspace,
                     String index,
                     Set<ai.grakn.concept.ConceptId> conceptIds)

Description copied from interface: IndexStorage

Add an index to the list of indices which needs to be post processed

Specified by:

addIndex in interface IndexStorage

popIndex

@Nullable
public String popIndex(ai.grakn.Keyspace keyspace)

Description copied from interface: IndexStorage

Gets and removes the next index to post process

Specified by:

popIndex in interface IndexStorage

popIds

public Set<ai.grakn.concept.ConceptId> popIds(ai.grakn.Keyspace keyspace,
                                              String index)

Description copied from interface: IndexStorage

Gets and removes all the ids which we need to post process

Specified by:

popIds in interface IndexStorage

getIndicesKey

public static String getIndicesKey(ai.grakn.Keyspace keyspace)

The key which refers to a list of all the indices in a certain Keyspace which need to be post processed

getConceptIdsKey

public static String getConceptIdsKey(ai.grakn.Keyspace keyspace,
                                      String index)

The key which refers to a set of vertices currently pointing to the same index