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

Example 21 with FailoverClosure

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

the class DefaultDingoRowStore method internalSingleRegionScan.

private void internalSingleRegionScan(final byte[] startKey, final byte[] endKey, final int limit, final boolean readOnlySafe, final boolean returnValue, final CompletableFuture<List<KVEntry>> future, final int retriesLeft, final Errors lastCause, final boolean requireLeader) {
    Requires.requireNonNull(startKey, "startKey");
    final Region region = this.pdClient.findRegionByKey(startKey, ErrorsHelper.isInvalidEpoch(lastCause));
    final byte[] regionEndKey = region.getEndKey();
    final byte[] realEndKey = regionEndKey == null ? endKey : (endKey == null ? regionEndKey : BytesUtil.min(regionEndKey, endKey));
    final RegionEngine regionEngine = getRegionEngine(region.getId(), requireLeader);
    // require leader on retry
    final RetryRunner retryRunner = retryCause -> internalSingleRegionScan(startKey, endKey, limit, readOnlySafe, returnValue, future, retriesLeft - 1, retryCause, true);
    final FailoverClosure<List<KVEntry>> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).scan(startKey, realEndKey, limit, readOnlySafe, returnValue, closure);
        }
    } else {
        final ScanRequest request = new ScanRequest();
        request.setStartKey(startKey);
        request.setEndKey(realEndKey);
        request.setLimit(limit);
        request.setReadOnlySafe(readOnlySafe);
        request.setReturnValue(returnValue);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause, requireLeader);
    }
}

Example 22 with FailoverClosure

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

the class DefaultDingoRowStore method internalTryLockWith.

private void internalTryLockWith(final byte[] key, final boolean keepLease, final DistributedLock.Acquirer acquirer, final CompletableFuture<DistributedLock.Owner> 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 -> internalTryLockWith(key, keepLease, acquirer, future, retriesLeft - 1, retryCause);
    final FailoverClosure<DistributedLock.Owner> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).tryLockWith(key, region.getStartKey(), keepLease, acquirer, closure);
        }
    } else {
        final KeyLockRequest request = new KeyLockRequest();
        request.setKey(key);
        request.setKeepLease(keepLease);
        request.setAcquirer(acquirer);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 23 with FailoverClosure

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

the class DefaultDingoRowStore method internalCompareAndPut.

private void internalCompareAndPut(final byte[] key, final byte[] expect, final byte[] update, 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 -> internalCompareAndPut(key, expect, update, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).compareAndPut(key, expect, update, closure);
        }
    } else {
        final CompareAndPutRequest request = new CompareAndPutRequest();
        request.setKey(key);
        request.setExpect(expect);
        request.setUpdate(update);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 24 with FailoverClosure

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

the class DefaultDingoRowStore method internalRegionPut.

private void internalRegionPut(final Region region, final List<KVEntry> subEntries, final CompletableFuture<Boolean> future, final int retriesLeft, final Errors lastCause) {
    final RegionEngine regionEngine = getRegionEngine(region.getId(), true);
    final RetryRunner retryRunner = retryCause -> internalRegionPut(region, subEntries, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, false, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            final RawKVStore rawKVStore = getRawKVStore(regionEngine);
            if (this.kvDispatcher == null) {
                rawKVStore.put(subEntries, closure);
            } else {
                this.kvDispatcher.execute(() -> rawKVStore.put(subEntries, closure));
            }
        }
    } else {
        final BatchPutRequest request = new BatchPutRequest();
        request.setKvEntries(subEntries);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 25 with FailoverClosure

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

the class DefaultDingoRowStore method internalRegionDelete.

private void internalRegionDelete(final Region region, final List<byte[]> subKeys, final CompletableFuture<Boolean> future, final int retriesLeft, final Errors lastCause) {
    final RegionEngine regionEngine = getRegionEngine(region.getId(), true);
    final RetryRunner retryRunner = retryCause -> internalRegionDelete(region, subKeys, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, false, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            final RawKVStore rawKVStore = getRawKVStore(regionEngine);
            if (this.kvDispatcher == null) {
                rawKVStore.delete(subKeys, closure);
            } else {
                this.kvDispatcher.execute(() -> rawKVStore.delete(subKeys, closure));
            }
        }
    } else {
        final BatchDeleteRequest request = new BatchDeleteRequest();
        request.setKeys(subKeys);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}