Examples with Region io.dingodb.store.row.metadata.Region used on opensource projects

Example 11 with Region

use of io.dingodb.store.row.metadata.Region in project dingo by dingodb.

the class DefaultDingoRowStore method internalScan.

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

Example 12 with Region

use of io.dingodb.store.row.metadata.Region in project dingo by dingodb.

the class DefaultDingoRowStore method internalDelete.

private void internalDelete(final byte[] key, final CompletableFuture<Boolean> future, final int retriesLeft, final Errors lastCause) {
    final Region region = this.pdClient.findRegionByKey(key, ErrorsHelper.isInvalidEpoch(lastCause));
    final RegionEngine regionEngine = getRegionEngine(region.getId(), true);
    final RetryRunner retryRunner = retryCause -> internalDelete(key, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).delete(key, closure);
        }
    } else {
        final DeleteRequest request = new DeleteRequest();
        request.setKey(key);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 13 with Region

use of io.dingodb.store.row.metadata.Region in project dingo by dingodb.

the class DefaultDingoRowStore method internalMerge.

private void internalMerge(final byte[] key, final byte[] value, final CompletableFuture<Boolean> future, final int retriesLeft, final Errors lastCause) {
    final Region region = this.pdClient.findRegionByKey(key, ErrorsHelper.isInvalidEpoch(lastCause));
    final RegionEngine regionEngine = getRegionEngine(region.getId(), true);
    final RetryRunner retryRunner = retryCause -> internalMerge(key, value, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).merge(key, value, closure);
        }
    } else {
        final MergeRequest request = new MergeRequest();
        request.setKey(key);
        request.setValue(value);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 14 with Region

use of io.dingodb.store.row.metadata.Region 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);
}

Example 15 with Region

use of io.dingodb.store.row.metadata.Region in project dingo by dingodb.

the class DefaultDingoRowStore method internalPutIfAbsent.

private void internalPutIfAbsent(final byte[] key, final byte[] value, final CompletableFuture<byte[]> future, final int retriesLeft, final Errors lastCause) {
    final Region region = this.pdClient.findRegionByKey(key, ErrorsHelper.isInvalidEpoch(lastCause));
    final RegionEngine regionEngine = getRegionEngine(region.getId(), true);
    final RetryRunner retryRunner = retryCause -> internalPutIfAbsent(key, value, future, retriesLeft - 1, retryCause);
    final FailoverClosure<byte[]> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).putIfAbsent(key, value, closure);
        }
    } else {
        final PutIfAbsentRequest request = new PutIfAbsentRequest();
        request.setKey(key);
        request.setValue(value);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}