Examples with FileWatcher org.neo4j.io.fs.watcher.FileWatcher used on opensource projects

Example 6 with FileWatcher

use of org.neo4j.io.fs.watcher.FileWatcher in project neo4j by neo4j.

the class FileWatchIT method notifyAboutStoreFileDeletion.

@Test(timeout = TEST_TIMEOUT)
public void notifyAboutStoreFileDeletion() throws Exception {
    assumeFalse(SystemUtils.IS_OS_WINDOWS);
    String fileName = MetaDataStore.DEFAULT_NAME;
    FileWatcher fileWatcher = getFileWatcher(database);
    CheckPointer checkpointer = getCheckpointer(database);
    DeletionLatchEventListener deletionListener = new DeletionLatchEventListener(fileName);
    fileWatcher.addFileWatchEventListener(deletionListener);
    do {
        createNode(database);
        forceCheckpoint(checkpointer);
    } while (!deletionListener.awaitModificationNotification());
    deleteFile(storeDir, fileName);
    deletionListener.awaitDeletionNotification();
    logProvider.assertContainsMessageContaining("'" + fileName + "' which belongs to the store was deleted while database was running.");
}

Example 7 with FileWatcher

use of org.neo4j.io.fs.watcher.FileWatcher in project neo4j by neo4j.

the class FileWatchIT method notifyAboutLegacyIndexFolderRemoval.

@Test(timeout = TEST_TIMEOUT)
public void notifyAboutLegacyIndexFolderRemoval() throws InterruptedException, IOException {
    String monitoredDirectory = getLegacyIndexDirectory(storeDir);
    FileWatcher fileWatcher = getFileWatcher(database);
    CheckPointer checkPointer = getCheckpointer(database);
    DeletionLatchEventListener deletionListener = new DeletionLatchEventListener(monitoredDirectory);
    ModificationEventListener modificationEventListener = new ModificationEventListener(MetaDataStore.DEFAULT_NAME);
    fileWatcher.addFileWatchEventListener(deletionListener);
    fileWatcher.addFileWatchEventListener(modificationEventListener);
    do {
        createNode(database);
        forceCheckpoint(checkPointer);
    } while (!modificationEventListener.awaitModificationNotification());
    deleteStoreDirectory(storeDir, monitoredDirectory);
    deletionListener.awaitDeletionNotification();
    logProvider.assertContainsMessageContaining("'" + monitoredDirectory + "' which belongs to the store was deleted while database was running.");
}