Examples with IndexConfigCompleter org.neo4j.internal.schema.IndexConfigCompleter used on opensource projects

Example 1 with IndexConfigCompleter

use of org.neo4j.internal.schema.IndexConfigCompleter in project neo4j by neo4j.

the class BatchingNeoStoresTest method someDataInTheDatabase.

private void someDataInTheDatabase(Config config) throws Exception {
    NullLog nullLog = NullLog.getInstance();
    try (JobScheduler scheduler = JobSchedulerFactory.createInitialisedScheduler();
        PageCache pageCache = new ConfiguringPageCacheFactory(fileSystem, Config.defaults(), PageCacheTracer.NULL, nullLog, scheduler, Clocks.nanoClock(), new MemoryPools()).getOrCreatePageCache();
        Lifespan life = new Lifespan()) {
        // TODO this little dance with TokenHolders is really annoying and must be solved with a better abstraction
        DeferredInitializedTokenCreator propertyKeyTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.propertyKeyDoCreateForName(name, internal, id);
            }
        };
        DeferredInitializedTokenCreator labelTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.labelDoCreateForName(name, internal, id);
            }
        };
        DeferredInitializedTokenCreator relationshipTypeTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.relationshipTypeDoCreateForName(name, internal, id);
            }
        };
        TokenHolders tokenHolders = new TokenHolders(new DelegatingTokenHolder(propertyKeyTokenCreator, TokenHolder.TYPE_PROPERTY_KEY), new DelegatingTokenHolder(labelTokenCreator, TokenHolder.TYPE_LABEL), new DelegatingTokenHolder(relationshipTypeTokenCreator, TokenHolder.TYPE_RELATIONSHIP_TYPE));
        IndexConfigCompleter indexConfigCompleter = index -> index;
        RecoveryCleanupWorkCollector recoveryCleanupWorkCollector = immediate();
        RecordStorageEngine storageEngine = life.add(new RecordStorageEngine(databaseLayout, Config.defaults(), pageCache, fileSystem, NullLogProvider.getInstance(), tokenHolders, new DatabaseSchemaState(NullLogProvider.getInstance()), new StandardConstraintSemantics(), indexConfigCompleter, LockService.NO_LOCK_SERVICE, new DatabaseHealth(PanicEventGenerator.NO_OP, nullLog), new DefaultIdGeneratorFactory(fileSystem, immediate(), DEFAULT_DATABASE_NAME), new DefaultIdController(), recoveryCleanupWorkCollector, PageCacheTracer.NULL, true, INSTANCE, writable(), CommandLockVerification.Factory.IGNORE, LockVerificationMonitor.Factory.IGNORE));
        // Create the relationship type token
        TxState txState = new TxState();
        NeoStores neoStores = storageEngine.testAccessNeoStores();
        CommandCreationContext commandCreationContext = storageEngine.newCommandCreationContext(INSTANCE);
        commandCreationContext.initialize(NULL);
        propertyKeyTokenCreator.initialize(neoStores.getPropertyKeyTokenStore(), txState);
        labelTokenCreator.initialize(neoStores.getLabelTokenStore(), txState);
        relationshipTypeTokenCreator.initialize(neoStores.getRelationshipTypeTokenStore(), txState);
        int relTypeId = tokenHolders.relationshipTypeTokens().getOrCreateId(RELTYPE.name());
        apply(txState, commandCreationContext, storageEngine);
        // Finally, we're initialized and ready to create two nodes and a relationship
        txState = new TxState();
        long node1 = commandCreationContext.reserveNode();
        long node2 = commandCreationContext.reserveNode();
        txState.nodeDoCreate(node1);
        txState.nodeDoCreate(node2);
        txState.relationshipDoCreate(commandCreationContext.reserveRelationship(), relTypeId, node1, node2);
        apply(txState, commandCreationContext, storageEngine);
        neoStores.flush(NULL);
    }
}

Example 2 with IndexConfigCompleter

use of org.neo4j.internal.schema.IndexConfigCompleter in project neo4j by neo4j.

the class SchemaCacheTest method shouldCompleteConfigurationOfIndexesAddedToCache.

@Test
void shouldCompleteConfigurationOfIndexesAddedToCache() {
    IndexCapability capability = new IndexCapability() {

        @Override
        public IndexOrderCapability orderCapability(ValueCategory... valueCategories) {
            return IndexOrderCapability.NONE;
        }

        @Override
        public IndexValueCapability valueCapability(ValueCategory... valueCategories) {
            return IndexValueCapability.NO;
        }
    };
    List<IndexDescriptor> completed = new ArrayList<>();
    IndexConfigCompleter completer = index -> {
        completed.add(index);
        return index.withIndexCapability(capability);
    };
    SchemaCache cache = new SchemaCache(new ConstraintSemantics(), completer);
    IndexDescriptor index1 = newIndexRule(1, 2, 3);
    ConstraintDescriptor constraint1 = uniquenessConstraint(2, 2, 3, 1);
    IndexDescriptor index2 = newIndexRule(3, 4, 5);
    ConstraintDescriptor constraint2 = uniquenessConstraint(4, 4, 5, 3);
    IndexDescriptor index3 = newIndexRule(5, 5, 5);
    cache.load(asList(index1, constraint1));
    cache.addSchemaRule(index2);
    cache.addSchemaRule(constraint2);
    cache.addSchemaRule(index3);
    assertEquals(List.of(index1, index2, index3), completed);
    assertEquals(capability, cache.getIndex(index1.getId()).getCapability());
    assertEquals(capability, cache.getIndex(index2.getId()).getCapability());
    assertEquals(capability, cache.getIndex(index3.getId()).getCapability());
}

Example 3 with IndexConfigCompleter

use of org.neo4j.internal.schema.IndexConfigCompleter in project neo4j by neo4j.

the class SchemaCache method load.

public void load(Iterable<SchemaRule> rules) {
    cacheUpdateLock.lock();
    try {
        ConstraintRuleAccessor constraintSemantics = schemaCacheState.constraintSemantics;
        IndexConfigCompleter indexConfigCompleter = schemaCacheState.indexConfigCompleter;
        this.schemaCacheState = new SchemaCacheState(constraintSemantics, indexConfigCompleter, rules);
    } finally {
        cacheUpdateLock.unlock();
    }
}