Examples with ScanOnOpenReadOnlyIdGeneratorFactory org.neo4j.internal.id.ScanOnOpenReadOnlyIdGeneratorFactory used on opensource projects

Example 1 with ScanOnOpenReadOnlyIdGeneratorFactory

use of org.neo4j.internal.id.ScanOnOpenReadOnlyIdGeneratorFactory in project neo4j by neo4j.

the class RecordStorageEngineFactory method transactionMetaDataStore.

@Override
public MetadataProvider transactionMetaDataStore(FileSystemAbstraction fs, DatabaseLayout databaseLayout, Config config, PageCache pageCache, PageCacheTracer cacheTracer) {
    RecordFormats recordFormats = selectForStoreOrConfig(Config.defaults(), databaseLayout, fs, pageCache, NullLogProvider.getInstance(), cacheTracer);
    var readOnlyChecker = new DatabaseReadOnlyChecker.Default(new DbmsReadOnlyChecker.Default(config), databaseLayout.getDatabaseName());
    var idGeneratorFactory = readOnlyChecker.isReadOnly() ? new ScanOnOpenReadOnlyIdGeneratorFactory() : new DefaultIdGeneratorFactory(fs, immediate(), databaseLayout.getDatabaseName());
    return new StoreFactory(databaseLayout, config, idGeneratorFactory, pageCache, fs, recordFormats, NullLogProvider.getInstance(), cacheTracer, readOnlyChecker, immutable.empty()).openNeoStores(META_DATA).getMetaDataStore();
}

Example 2 with ScanOnOpenReadOnlyIdGeneratorFactory

use of org.neo4j.internal.id.ScanOnOpenReadOnlyIdGeneratorFactory in project neo4j by neo4j.

the class IdGeneratorMigrator method createEmptyPlaceHolderStoreFiles.

private Set<Path> createEmptyPlaceHolderStoreFiles(DatabaseLayout layout, RecordFormats format) {
    Set<Path> createdStores = new HashSet<>();
    StoreType[] storesToCreate = Stream.of(StoreType.values()).filter(t -> {
        Path file = layout.file(t.getDatabaseFile());
        boolean exists = fileSystem.fileExists(file);
        if (!exists) {
            createdStores.add(file);
        }
        return !exists;
    }).toArray(StoreType[]::new);
    createStoreFactory(layout, format, new ScanOnOpenReadOnlyIdGeneratorFactory()).openNeoStores(true, storesToCreate).close();
    return createdStores;
}

Example 3 with ScanOnOpenReadOnlyIdGeneratorFactory

use of org.neo4j.internal.id.ScanOnOpenReadOnlyIdGeneratorFactory in project neo4j by neo4j.

the class DirectRecordStoreMigrator method migrate.

public void migrate(DatabaseLayout fromDirectoryStructure, RecordFormats fromFormat, DatabaseLayout toDirectoryStructure, RecordFormats toFormat, ProgressReporter progressReporter, StoreType[] types, StoreType... additionalTypesToOpen) throws IOException {
    StoreType[] storesToOpen = ArrayUtil.concat(types, additionalTypesToOpen);
    progressReporter.start(storesToOpen.length);
    try (NeoStores fromStores = new StoreFactory(fromDirectoryStructure, config, new ScanOnOpenReadOnlyIdGeneratorFactory(), pageCache, fs, fromFormat, NullLogProvider.getInstance(), cacheTracer, readOnly(), immutable.empty()).openNeoStores(true, storesToOpen);
        NeoStores toStores = new StoreFactory(toDirectoryStructure, withPersistedStoreHeadersAsConfigFrom(fromStores, storesToOpen), new DefaultIdGeneratorFactory(fs, immediate(), toDirectoryStructure.getDatabaseName()), pageCache, fs, toFormat, NullLogProvider.getInstance(), cacheTracer, writable(), immutable.empty()).openNeoStores(true, storesToOpen);
        var cursorContext = new CursorContext(cacheTracer.createPageCursorTracer(DIRECT_STORE_MIGRATOR_TAG))) {
        toStores.start(cursorContext);
        for (StoreType type : types) {
            // This condition will exclude counts store first and foremost.
            migrate(fromStores.getRecordStore(type), toStores.getRecordStore(type), cursorContext);
            progressReporter.progress(1);
        }
    }
}