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

Example 11 with RegionEngine

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

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

Example 12 with RegionEngine

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

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

Example 13 with RegionEngine

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

the class DefaultRheaKVStore method internalRegionScan.

private void internalRegionScan(final Region region, final byte[] subStartKey, final byte[] subEndKey, final boolean reverse, final boolean readOnlySafe, final boolean returnValue, final CompletableFuture<List<KVEntry>> future, final int retriesLeft, final Errors lastCause, final boolean requireLeader) {
    final RegionEngine regionEngine = getRegionEngine(region.getId(), requireLeader);
    // require leader on retry
    final RetryRunner retryRunner = retryCause -> internalRegionScan(region, subStartKey, subEndKey, reverse, readOnlySafe, returnValue, future, retriesLeft - 1, retryCause, true);
    final FailoverClosure<List<KVEntry>> closure = new FailoverClosureImpl<>(future, false, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            final RawKVStore rawKVStore = getRawKVStore(regionEngine);
            if (reverse) {
                if (this.kvDispatcher == null) {
                    rawKVStore.reverseScan(subStartKey, subEndKey, readOnlySafe, returnValue, closure);
                } else {
                    this.kvDispatcher.execute(() -> rawKVStore.reverseScan(subStartKey, subEndKey, readOnlySafe, returnValue, closure));
                }
            } else {
                if (this.kvDispatcher == null) {
                    rawKVStore.scan(subStartKey, subEndKey, readOnlySafe, returnValue, closure);
                } else {
                    this.kvDispatcher.execute(() -> rawKVStore.scan(subStartKey, subEndKey, readOnlySafe, returnValue, closure));
                }
            }
        }
    } else {
        final ScanRequest request = new ScanRequest();
        request.setStartKey(subStartKey);
        request.setEndKey(subEndKey);
        request.setReadOnlySafe(readOnlySafe);
        request.setReturnValue(returnValue);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        request.setReverse(reverse);
        this.rheaKVRpcService.callAsyncWithRpc(request, closure, lastCause, requireLeader);
    }
}

Example 14 with RegionEngine

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

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

Example 15 with RegionEngine

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

the class DefaultRheaKVStore method internalResetSequence.

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