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

Example 6 with RegionEngine

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

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

Example 7 with RegionEngine

use of com.alipay.sofa.jraft.rhea.RegionEngine 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 8 with RegionEngine

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

the class DefaultRheaKVStore method internalContainsKey.

private void internalContainsKey(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 -> internalContainsKey(key, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).containsKey(key, closure);
        }
    } else {
        final ContainsKeyRequest request = new ContainsKeyRequest();
        request.setKey(key);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.rheaKVRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 9 with RegionEngine

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

the class InstructionProcessor method processTransferLeader.

private boolean processTransferLeader(final Instruction instruction) {
    try {
        final Instruction.TransferLeader transferLeader = instruction.getTransferLeader();
        if (transferLeader == null) {
            return false;
        }
        final Endpoint toEndpoint = transferLeader.getMoveToEndpoint();
        if (toEndpoint == null) {
            LOG.error("TransferLeader#toEndpoint must not be null, {}.", instruction);
            return false;
        }
        final Region region = instruction.getRegion();
        final long regionId = region.getId();
        final RegionEngine engine = this.storeEngine.getRegionEngine(regionId);
        if (engine == null) {
            LOG.error("Could not found regionEngine, {}.", instruction);
            return false;
        }
        if (!region.equals(engine.getRegion())) {
            LOG.warn("Instruction [{}] is out of date.", instruction);
            return false;
        }
        return engine.transferLeadershipTo(toEndpoint);
    } catch (final Throwable t) {
        LOG.error("Caught an exception on #processTransferLeader: {}.", StackTraceUtil.stackTrace(t));
        return false;
    }
}

Example 10 with RegionEngine

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

the class InstructionProcessor method processSplit.

private boolean processSplit(final Instruction instruction) {
    try {
        final Instruction.RangeSplit rangeSplit = instruction.getRangeSplit();
        if (rangeSplit == null) {
            return false;
        }
        final Long newRegionId = rangeSplit.getNewRegionId();
        if (newRegionId == null) {
            LOG.error("RangeSplit#newRegionId must not be null, {}.", instruction);
            return false;
        }
        final Region region = instruction.getRegion();
        final long regionId = region.getId();
        final RegionEngine engine = this.storeEngine.getRegionEngine(regionId);
        if (engine == null) {
            LOG.error("Could not found regionEngine, {}.", instruction);
            return false;
        }
        if (!region.equals(engine.getRegion())) {
            LOG.warn("Instruction [{}] is out of date.", instruction);
            return false;
        }
        final CompletableFuture<Status> future = new CompletableFuture<>();
        this.storeEngine.applySplit(regionId, newRegionId, new BaseKVStoreClosure() {

            @Override
            public void run(Status status) {
                future.complete(status);
            }
        });
        final Status status = future.get(20, TimeUnit.SECONDS);
        final boolean ret = status.isOk();
        if (ret) {
            LOG.info("Range-split succeeded, instruction: {}.", instruction);
        } else {
            LOG.warn("Range-split failed: {}, instruction: {}.", status, instruction);
        }
        return ret;
    } catch (final Throwable t) {
        LOG.error("Caught an exception on #processSplit: {}.", StackTraceUtil.stackTrace(t));
        return false;
    }
}