Examples with KVEntry com.alipay.sofa.jraft.rhea.storage.KVEntry used on opensource projects

Example 11 with KVEntry

use of com.alipay.sofa.jraft.rhea.storage.KVEntry in project sofa-jraft by sofastack.

the class DefaultRheaKVStore 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);
}

Example 12 with KVEntry

use of com.alipay.sofa.jraft.rhea.storage.KVEntry in project sofa-jraft by sofastack.

the class DefaultRheaKVStore 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.rheaKVRpcService.callAsyncWithRpc(request, closure, lastCause, requireLeader);
    }
}

Example 13 with KVEntry

use of com.alipay.sofa.jraft.rhea.storage.KVEntry in project sofa-jraft by sofastack.

the class DefaultRheaKVStore 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.rheaKVRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 14 with KVEntry

use of com.alipay.sofa.jraft.rhea.storage.KVEntry in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handleBatchPutRequest.

@Override
public void handleBatchPutRequest(final BatchPutRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final BatchPutResponse response = new BatchPutResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final List<KVEntry> kvEntries = KVParameterRequires.requireNonEmpty(request.getKvEntries(), "put.kvEntries");
        this.rawKVStore.put(kvEntries, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((Boolean) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        });
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}

Example 15 with KVEntry

use of com.alipay.sofa.jraft.rhea.storage.KVEntry in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handleScanRequest.

@Override
public void handleScanRequest(final ScanRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final ScanResponse response = new ScanResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final BaseKVStoreClosure kvStoreClosure = new BaseKVStoreClosure() {

            @SuppressWarnings("unchecked")
            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((List<KVEntry>) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        };
        if (request.isReverse()) {
            this.rawKVStore.reverseScan(request.getStartKey(), request.getEndKey(), request.getLimit(), request.isReadOnlySafe(), request.isReturnValue(), kvStoreClosure);
        } else {
            this.rawKVStore.scan(request.getStartKey(), request.getEndKey(), request.getLimit(), request.isReadOnlySafe(), request.isReturnValue(), kvStoreClosure);
        }
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}