Examples with ScopedValue com.apple.foundationdb.record.provider.foundationdb.keyspace.ScopedValue used on opensource projects

Example 1 with ScopedValue

use of com.apple.foundationdb.record.provider.foundationdb.keyspace.ScopedValue in project fdb-record-layer by FoundationDB.

the class FDBReverseDirectoryCache method put.

/**
 * Explicitly add a new entry to the reverse directory cache.
 *
 * @param context the transactional context
 * @param pathKey the name of an entry in the FDB directory, the value of which is retrieved from the directory
 *                and explicitly inserted into the reverse directory cache
 * @return a future that performs the action
 * @throws NoSuchElementException will be thrown by this future if the <code>name</code> provided does not exist in the directory layer.
 */
public CompletableFuture<Void> put(@Nonnull FDBRecordContext context, @Nonnull ScopedValue<String> pathKey) {
    final LocatableResolver scope = pathKey.getScope();
    final String key = pathKey.getData();
    return getReverseCacheSubspace(scope).thenCompose(reverseCacheSubspace -> scope.mustResolve(context, key).thenApply(value -> {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug(KeyValueLogMessage.of("Adding value to reverse directory cache", LogMessageKeys.KEY, pathKey, LogMessageKeys.VALUE, value));
        }
        context.ensureActive().set(reverseCacheSubspace.pack(value), Tuple.from(pathKey.getData()).pack());
        return null;
    }));
}