Examples with MapFailoverFuture io.dingodb.store.row.client.failover.impl.MapFailoverFuture used on opensource projects

Example 1 with MapFailoverFuture

use of io.dingodb.store.row.client.failover.impl.MapFailoverFuture in project dingo by dingodb.

the class DefaultDingoRowStore method internalMultiGet.

private FutureGroup<Map<ByteArray, byte[]>> internalMultiGet(final List<byte[]> keys, final boolean readOnlySafe, final int retriesLeft, final Throwable lastCause) {
    final Map<Region, List<byte[]>> regionMap = this.pdClient.findRegionsByKeys(keys, ApiExceptionHelper.isInvalidEpoch(lastCause));
    final List<CompletableFuture<Map<ByteArray, byte[]>>> futures = Lists.newArrayListWithCapacity(regionMap.size());
    final Errors lastError = lastCause == null ? null : Errors.forException(lastCause);
    for (final Map.Entry<Region, List<byte[]>> entry : regionMap.entrySet()) {
        final Region region = entry.getKey();
        final List<byte[]> subKeys = entry.getValue();
        final RetryCallable<Map<ByteArray, byte[]>> retryCallable = retryCause -> internalMultiGet(subKeys, readOnlySafe, retriesLeft - 1, retryCause);
        final MapFailoverFuture<ByteArray, byte[]> future = new MapFailoverFuture<>(retriesLeft, retryCallable);
        internalRegionMultiGet(region, subKeys, readOnlySafe, future, retriesLeft, lastError, this.onlyLeaderRead);
        futures.add(future);
    }
    return new FutureGroup<>(futures);
}