Examples with GraphDatabaseAPI org.neo4j.kernel.internal.GraphDatabaseAPI used on opensource projects

Example 46 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class IndexSamplingIntegrationTest method fetchIndexSamplingValues.

private DoubleLongRegister fetchIndexSamplingValues(GraphDatabaseService db) throws IndexNotFoundKernelException {
    try {
        // Then
        db = new TestGraphDatabaseFactory().newEmbeddedDatabase(testDirectory.graphDbDir());
        @SuppressWarnings("deprecation") GraphDatabaseAPI api = (GraphDatabaseAPI) db;
        CountsTracker countsTracker = api.getDependencyResolver().resolveDependency(RecordStorageEngine.class).testAccessNeoStores().getCounts();
        IndexSampleKey key = CountsKeyFactory.indexSampleKey(indexId(api));
        return countsTracker.get(key, Registers.newDoubleLongRegister());
    } finally {
        if (db != null) {
            db.shutdown();
        }
    }
}

Example 47 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class FileWatchIT method doNotNotifyAboutLuceneIndexFilesDeletion.

@Test(timeout = TEST_TIMEOUT)
public void doNotNotifyAboutLuceneIndexFilesDeletion() throws InterruptedException, IOException {
    DependencyResolver dependencyResolver = ((GraphDatabaseAPI) database).getDependencyResolver();
    FileWatcher fileWatcher = getFileWatcher(database);
    CheckPointer checkPointer = dependencyResolver.resolveDependency(CheckPointer.class);
    String propertyStoreName = MetaDataStore.DEFAULT_NAME + StoreFactory.PROPERTY_STORE_NAME;
    AccumulativeDeletionEventListener accumulativeListener = new AccumulativeDeletionEventListener();
    ModificationEventListener modificationListener = new ModificationEventListener(propertyStoreName);
    fileWatcher.addFileWatchEventListener(modificationListener);
    fileWatcher.addFileWatchEventListener(accumulativeListener);
    String labelName = "labelName";
    String propertyName = "propertyName";
    Label testLabel = Label.label(labelName);
    createIndexes(database, propertyName, testLabel);
    do {
        createNode(database, propertyName, testLabel);
        forceCheckpoint(checkPointer);
    } while (!modificationListener.awaitModificationNotification());
    fileWatcher.removeFileWatchEventListener(modificationListener);
    ModificationEventListener afterRemovalListener = new ModificationEventListener(propertyStoreName);
    fileWatcher.addFileWatchEventListener(afterRemovalListener);
    dropAllIndexes(database);
    do {
        createNode(database, propertyName, testLabel);
        forceCheckpoint(checkPointer);
    } while (!afterRemovalListener.awaitModificationNotification());
    accumulativeListener.assertDoesNotHaveAnyDeletions();
}

Example 48 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class TestRecoveryMultipleDataSources method main.

public static void main(String[] args) throws IOException {
    if (args.length != 1) {
        exit(1);
    }
    File storeDir = new File(args[0]);
    GraphDatabaseService db = new TestGraphDatabaseFactory().newEmbeddedDatabase(storeDir);
    try (Transaction tx = db.beginTx()) {
        db.createNode().createRelationshipTo(db.createNode(), MyRelTypes.TEST);
        tx.success();
    }
    ((GraphDatabaseAPI) db).getDependencyResolver().resolveDependency(CheckPointer.class).forceCheckPoint(new SimpleTriggerInfo("test"));
    try (Transaction tx = db.beginTx()) {
        db.index().forNodes("index").add(db.createNode(), storeDir.getAbsolutePath(), db.createNode());
        tx.success();
    }
    exit(0);
}

Example 49 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class IndexStatisticsTest method before.

@Before
public void before() {
    GraphDatabaseAPI graphDatabaseAPI = dbRule.getGraphDatabaseAPI();
    this.db = graphDatabaseAPI;
    DependencyResolver dependencyResolver = graphDatabaseAPI.getDependencyResolver();
    this.bridge = dependencyResolver.resolveDependency(ThreadToStatementContextBridge.class);
    graphDatabaseAPI.getDependencyResolver().resolveDependency(Monitors.class).addMonitorListener(indexOnlineMonitor);
}

Example 50 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class TestReferenceDangling method testPropertyStoreReferencesOnRead.

@Test
public void testPropertyStoreReferencesOnRead() throws Throwable {
    // Given
    GraphDatabaseAPI db = dbRule.getGraphDatabaseAPI();
    // and Given the cache contains a LazyProperty
    long nId = ensurePropertyIsCachedLazyProperty(db, "some");
    // When
    restartNeoDataSource(db);
    // Then reading the property is still possible
    try (Transaction tx = db.beginTx()) {
        db.getNodeById(nId).getProperty("some");
        tx.success();
    }
}