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

Example 6 with RetryCallable

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

the class DefaultDingoRowStore method internalPut.

private FutureGroup<Boolean> internalPut(final List<KVEntry> entries, final int retriesLeft, final Throwable lastCause) {
    final Map<Region, List<KVEntry>> regionMap = this.pdClient.findRegionsByKvEntries(entries, ApiExceptionHelper.isInvalidEpoch(lastCause));
    final List<CompletableFuture<Boolean>> futures = Lists.newArrayListWithCapacity(regionMap.size());
    final Errors lastError = lastCause == null ? null : Errors.forException(lastCause);
    for (final Map.Entry<Region, List<KVEntry>> entry : regionMap.entrySet()) {
        final Region region = entry.getKey();
        final List<KVEntry> subEntries = entry.getValue();
        final RetryCallable<Boolean> retryCallable = retryCause -> internalPut(subEntries, retriesLeft - 1, retryCause);
        final BoolFailoverFuture future = new BoolFailoverFuture(retriesLeft, retryCallable);
        internalRegionPut(region, subEntries, future, retriesLeft, lastError);
        futures.add(future);
    }
    return new FutureGroup<>(futures);
}

Example 7 with RetryCallable

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

the class DefaultDingoRowStore method internalReverseScan.

private FutureGroup<List<KVEntry>> internalReverseScan(final byte[] startKey, final byte[] endKey, final boolean readOnlySafe, final boolean returnValue, final int retriesLeft, final Throwable lastCause) {
    Requires.requireNonNull(endKey, "endKey");
    final List<Region> regionList = this.pdClient.findRegionsByKeyRange(endKey, startKey, ApiExceptionHelper.isInvalidEpoch(lastCause));
    Collections.reverse(regionList);
    final List<CompletableFuture<List<KVEntry>>> futures = Lists.newArrayListWithCapacity(regionList.size());
    final Errors lastError = lastCause == null ? null : Errors.forException(lastCause);
    for (final Region region : regionList) {
        final byte[] regionEndKey = region.getEndKey();
        final byte[] regionStartKey = region.getStartKey();
        final byte[] subStartKey = regionEndKey == null ? startKey : (startKey == null ? regionEndKey : BytesUtil.min(regionEndKey, startKey));
        final byte[] subEndKey = regionStartKey == null ? endKey : BytesUtil.max(regionStartKey, endKey);
        final ListRetryCallable<KVEntry> retryCallable = retryCause -> internalReverseScan(subStartKey, subEndKey, readOnlySafe, returnValue, retriesLeft - 1, retryCause);
        final ListFailoverFuture<KVEntry> future = new ListFailoverFuture<>(retriesLeft, retryCallable);
        internalRegionScan(region, subStartKey, subEndKey, true, readOnlySafe, returnValue, future, retriesLeft, lastError, this.onlyLeaderRead);
        futures.add(future);
    }
    return new FutureGroup<>(futures);
}