Examples with OrderedKeyValueStoreManager org.janusgraph.diskstorage.keycolumnvalue.keyvalue.OrderedKeyValueStoreManager used on opensource projects

Example 1 with OrderedKeyValueStoreManager

use of org.janusgraph.diskstorage.keycolumnvalue.keyvalue.OrderedKeyValueStoreManager in project janusgraph by JanusGraph.

the class Backend method getStorageManager.

public static KeyColumnValueStoreManager getStorageManager(Configuration storageConfig) {
    StoreManager manager = getImplementationClass(storageConfig, storageConfig.get(STORAGE_BACKEND), StandardStoreManager.getAllManagerClasses());
    if (manager instanceof OrderedKeyValueStoreManager) {
        Map<String, Integer> keyLength = new HashMap<>(3);
        keyLength.put(EDGESTORE_NAME, 8);
        keyLength.put(EDGESTORE_NAME + LOCK_STORE_SUFFIX, 8);
        keyLength.put(storageConfig.get(IDS_STORE_NAME), 8);
        keyLength = Collections.unmodifiableMap(keyLength);
        manager = new OrderedKeyValueStoreManagerAdapter((OrderedKeyValueStoreManager) manager, keyLength);
    }
    Preconditions.checkArgument(manager instanceof KeyColumnValueStoreManager, "Invalid storage manager: %s", manager.getClass());
    return (KeyColumnValueStoreManager) manager;
}