Examples with Indexes com.hazelcast.query.impl.Indexes used on opensource projects

Example 26 with Indexes

use of com.hazelcast.query.impl.Indexes in project hazelcast by hazelcast.

the class AbstractRecordStore method removeIndex.

protected void removeIndex(Record record) {
    Indexes indexes = mapContainer.getIndexes();
    if (indexes.hasIndex()) {
        Data key = record.getKey();
        Object value = Records.getValueOrCachedValue(record, serializationService);
        if (NATIVE == inMemoryFormat) {
            key = (Data) copyToHeap(key);
            value = copyToHeap(value);
        }
        indexes.removeEntryIndex(key, value);
    }
}

Example 27 with Indexes

use of com.hazelcast.query.impl.Indexes in project hazelcast by hazelcast.

the class PartitionWideEntryWithPredicateOperationFactory method getKeysFromIndex.

private Set<Data> getKeysFromIndex(NodeEngine nodeEngine) {
    // Do not use index in this case, because it requires full-table-scan.
    if (predicate == TruePredicate.INSTANCE) {
        return emptySet();
    }
    // get indexes
    MapService mapService = nodeEngine.getService(SERVICE_NAME);
    MapServiceContext mapServiceContext = mapService.getMapServiceContext();
    Indexes indexes = mapServiceContext.getMapContainer(name).getIndexes();
    // optimize predicate
    QueryOptimizer queryOptimizer = mapServiceContext.getQueryOptimizer();
    predicate = queryOptimizer.optimize(predicate, indexes);
    Set<QueryableEntry> querySet = indexes.query(predicate);
    if (querySet == null) {
        return emptySet();
    }
    List<Data> keys = null;
    for (QueryableEntry e : querySet) {
        if (keys == null) {
            keys = new ArrayList<Data>(querySet.size());
        }
        keys.add(e.getKeyData());
    }
    return keys == null ? Collections.<Data>emptySet() : newBuilder(keys).build();
}

Example 28 with Indexes

use of com.hazelcast.query.impl.Indexes in project hazelcast by hazelcast.

the class AddIndexOperation method run.

@Override
public void run() throws Exception {
    Indexes indexes = mapContainer.getIndexes();
    Index index = indexes.addOrGetIndex(attributeName, ordered);
    final long now = getNow();
    final Iterator<Record> iterator = recordStore.iterator(now, false);
    SerializationService serializationService = getNodeEngine().getSerializationService();
    while (iterator.hasNext()) {
        final Record record = iterator.next();
        Data key = record.getKey();
        Object value = Records.getValueOrCachedValue(record, serializationService);
        QueryableEntry queryEntry = mapContainer.newQueryEntry(key, value);
        index.saveEntryIndex(queryEntry, null);
    }
}

Example 29 with Indexes

use of com.hazelcast.query.impl.Indexes in project hazelcast by hazelcast.

the class MapMigrationAwareService method migrateIndex.

private void migrateIndex(PartitionMigrationEvent event) {
    final long now = getNow();
    final PartitionContainer container = mapServiceContext.getPartitionContainer(event.getPartitionId());
    for (RecordStore recordStore : container.getMaps().values()) {
        final MapContainer mapContainer = mapServiceContext.getMapContainer(recordStore.getName());
        final Indexes indexes = mapContainer.getIndexes();
        if (!indexes.hasIndex()) {
            continue;
        }
        final Iterator<Record> iterator = recordStore.iterator(now, false);
        while (iterator.hasNext()) {
            Record record = iterator.next();
            Data key = record.getKey();
            if (event.getMigrationEndpoint() == SOURCE) {
                assert event.getNewReplicaIndex() != 0 : "Invalid migration event: " + event;
                Object value = Records.getValueOrCachedValue(record, serializationService);
                indexes.removeEntryIndex(key, value);
            } else if (event.getNewReplicaIndex() == 0) {
                Object value = Records.getValueOrCachedValue(record, serializationService);
                if (value != null) {
                    QueryableEntry queryEntry = mapContainer.newQueryEntry(record.getKey(), value);
                    indexes.saveEntryIndex(queryEntry, null);
                }
            }
        }
    }
}

Example 30 with Indexes

use of com.hazelcast.query.impl.Indexes in project hazelcast by hazelcast.

the class PartitionContainer method createRecordStore.

private RecordStore createRecordStore(String name) {
    MapServiceContext serviceContext = mapService.getMapServiceContext();
    MapContainer mapContainer = serviceContext.getMapContainer(name);
    MapConfig mapConfig = mapContainer.getMapConfig();
    NodeEngine nodeEngine = serviceContext.getNodeEngine();
    IPartitionService ps = nodeEngine.getPartitionService();
    OperationService opService = nodeEngine.getOperationService();
    ExecutionService execService = nodeEngine.getExecutionService();
    HazelcastProperties hazelcastProperties = nodeEngine.getProperties();
    MapKeyLoader keyLoader = new MapKeyLoader(name, opService, ps, nodeEngine.getClusterService(), execService, mapContainer.toData(), serviceContext.getNodeWideLoadedKeyLimiter());
    keyLoader.setMaxBatch(hazelcastProperties.getInteger(ClusterProperty.MAP_LOAD_CHUNK_SIZE));
    keyLoader.setMaxSize(getMaxSizePerNode(mapConfig.getEvictionConfig()));
    keyLoader.setHasBackup(mapConfig.getTotalBackupCount() > 0);
    keyLoader.setMapOperationProvider(serviceContext.getMapOperationProvider(name));
    if (!mapContainer.isGlobalIndexEnabled()) {
        Indexes indexesForMap = mapContainer.createIndexes(false);
        indexes.putIfAbsent(name, indexesForMap);
    }
    RecordStore recordStore = serviceContext.createRecordStore(mapContainer, partitionId, keyLoader);
    recordStore.init();
    return recordStore;
}