Examples with StoreAccess org.neo4j.kernel.impl.store.StoreAccess used on opensource projects

Example 1 with StoreAccess

use of org.neo4j.kernel.impl.store.StoreAccess in project neo4j by neo4j.

the class RelationshipChainExplorerTest method createStoreWithOneHighDegreeNodeAndSeveralDegreeTwoNodes.

private StoreAccess createStoreWithOneHighDegreeNodeAndSeveralDegreeTwoNodes(int nDegreeTwoNodes) {
    File storeDirectory = storeLocation.graphDbDir();
    GraphDatabaseService database = new TestGraphDatabaseFactory().newEmbeddedDatabaseBuilder(storeDirectory).setConfig(GraphDatabaseSettings.record_format, getRecordFormatName()).newGraphDatabase();
    try (Transaction transaction = database.beginTx()) {
        Node denseNode = database.createNode();
        for (int i = 0; i < nDegreeTwoNodes; i++) {
            Node degreeTwoNode = database.createNode();
            Node leafNode = database.createNode();
            if (i % 2 == 0) {
                denseNode.createRelationshipTo(degreeTwoNode, TestRelationshipType.CONNECTED);
            } else {
                degreeTwoNode.createRelationshipTo(denseNode, TestRelationshipType.CONNECTED);
            }
            degreeTwoNode.createRelationshipTo(leafNode, TestRelationshipType.CONNECTED);
        }
        transaction.success();
    }
    database.shutdown();
    PageCache pageCache = pageCacheRule.getPageCache(fileSystemRule.get());
    StoreAccess storeAccess = new StoreAccess(fileSystemRule.get(), pageCache, storeDirectory, Config.empty());
    return storeAccess.initialize();
}

Example 2 with StoreAccess

use of org.neo4j.kernel.impl.store.StoreAccess in project neo4j by neo4j.

the class FullCheckIntegrationTest method shouldReportRelationshipLabelNameInconsistencies.

@Test
public void shouldReportRelationshipLabelNameInconsistencies() throws Exception {
    // given
    final Reference<Integer> inconsistentName = new Reference<>();
    fixture.apply(new GraphStoreFixture.Transaction() {

        @Override
        protected void transactionData(GraphStoreFixture.TransactionDataBuilder tx, GraphStoreFixture.IdGenerator next) {
            inconsistentName.set(next.relationshipType());
            tx.relationshipType(inconsistentName.get(), "FOO");
        }
    });
    StoreAccess access = fixture.directStoreAccess().nativeStores();
    DynamicRecord record = access.getRelationshipTypeNameStore().getRecord(inconsistentName.get(), access.getRelationshipTypeNameStore().newRecord(), FORCE);
    record.setNextBlock(record.getId());
    access.getRelationshipTypeNameStore().updateRecord(record);
    // when
    ConsistencySummaryStatistics stats = check();
    // then
    on(stats).verify(RecordType.RELATIONSHIP_TYPE_NAME, 1).andThatsAllFolks();
}

Example 3 with StoreAccess

use of org.neo4j.kernel.impl.store.StoreAccess in project neo4j by neo4j.

the class FullCheckIntegrationTest method shouldReportLabelInconsistencies.

@Test
public void shouldReportLabelInconsistencies() throws Exception {
    // given
    StoreAccess access = fixture.directStoreAccess().nativeStores();
    LabelTokenRecord record = access.getLabelTokenStore().getRecord(1, access.getLabelTokenStore().newRecord(), FORCE);
    record.setNameId(20);
    record.setInUse(true);
    access.getLabelTokenStore().updateRecord(record);
    // when
    ConsistencySummaryStatistics stats = check();
    // then
    on(stats).verify(RecordType.LABEL, 1).andThatsAllFolks();
}

Example 4 with StoreAccess

use of org.neo4j.kernel.impl.store.StoreAccess in project neo4j by neo4j.

the class FullCheckIntegrationTest method shouldReportPropertyKeyInconsistencies.

@Test
public void shouldReportPropertyKeyInconsistencies() throws Exception {
    // given
    final Reference<Integer> inconsistentKey = new Reference<>();
    fixture.apply(new GraphStoreFixture.Transaction() {

        @Override
        protected void transactionData(GraphStoreFixture.TransactionDataBuilder tx, GraphStoreFixture.IdGenerator next) {
            inconsistentKey.set(next.propertyKey());
            tx.propertyKey(inconsistentKey.get(), "FOO");
        }
    });
    StoreAccess access = fixture.directStoreAccess().nativeStores();
    DynamicRecord record = access.getPropertyKeyNameStore().getRecord(inconsistentKey.get() + 1, access.getPropertyKeyNameStore().newRecord(), FORCE);
    record.setInUse(false);
    access.getPropertyKeyNameStore().updateRecord(record);
    // when
    ConsistencySummaryStatistics stats = check();
    // then
    on(stats).verify(RecordType.PROPERTY_KEY, 1).andThatsAllFolks();
}

Example 5 with StoreAccess

use of org.neo4j.kernel.impl.store.StoreAccess in project neo4j by neo4j.

the class GraphStoreFixture method directStoreAccess.

public DirectStoreAccess directStoreAccess() {
    if (directStoreAccess == null) {
        fileSystem = new DefaultFileSystemAbstraction();
        PageCache pageCache = getPageCache(fileSystem);
        LogProvider logProvider = NullLogProvider.getInstance();
        StoreFactory storeFactory = new StoreFactory(directory, pageCache, fileSystem, logProvider);
        neoStore = storeFactory.openAllNeoStores();
        StoreAccess nativeStores;
        if (keepStatistics) {
            AccessStatistics accessStatistics = new AccessStatistics();
            statistics = new VerboseStatistics(accessStatistics, new DefaultCounts(defaultConsistencyCheckThreadsNumber()), NullLog.getInstance());
            nativeStores = new AccessStatsKeepingStoreAccess(neoStore, accessStatistics);
        } else {
            statistics = Statistics.NONE;
            nativeStores = new StoreAccess(neoStore);
        }
        nativeStores.initialize();
        Config config = Config.empty();
        OperationalMode operationalMode = OperationalMode.single;
        IndexStoreView indexStoreView = new NeoStoreIndexStoreView(LockService.NO_LOCK_SERVICE, nativeStores.getRawNeoStores());
        Dependencies dependencies = new Dependencies();
        dependencies.satisfyDependencies(Config.defaults(), fileSystem, new SimpleLogService(logProvider, logProvider), indexStoreView, pageCache);
        KernelContext kernelContext = new SimpleKernelContext(directory, UNKNOWN, dependencies);
        LabelScanStore labelScanStore = startLabelScanStore(config, dependencies, kernelContext);
        directStoreAccess = new DirectStoreAccess(nativeStores, labelScanStore, createIndexes(fileSystem, config, operationalMode));
    }
    return directStoreAccess;
}