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

Example 1 with RegionEngine

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

the class DefaultRheaKVStore method getLeaderByRegionEngine.

private Endpoint getLeaderByRegionEngine(final long regionId) {
    final RegionEngine regionEngine = getRegionEngine(regionId);
    if (regionEngine != null) {
        final PeerId leader = regionEngine.getLeaderId();
        if (leader != null) {
            final String raftGroupId = JRaftHelper.getJRaftGroupId(this.pdClient.getClusterName(), regionId);
            RouteTable.getInstance().updateLeader(raftGroupId, leader);
            return leader.getEndpoint();
        }
    }
    return null;
}

Example 2 with RegionEngine

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

the class DefaultRheaKVStore method internalRegionDeleteRange.

private void internalRegionDeleteRange(final Region region, final byte[] subStartKey, final byte[] subEndKey, final CompletableFuture<Boolean> future, final int retriesLeft, final Errors lastCause) {
    final RegionEngine regionEngine = getRegionEngine(region.getId(), true);
    final RetryRunner retryRunner = retryCause -> internalRegionDeleteRange(region, subStartKey, subEndKey, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, false, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).deleteRange(subStartKey, subEndKey, closure);
        }
    } else {
        final DeleteRangeRequest request = new DeleteRangeRequest();
        request.setStartKey(subStartKey);
        request.setEndKey(subEndKey);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.rheaKVRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}

Example 3 with RegionEngine

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

the class DefaultRheaKVStore method isLeader.

public boolean isLeader(final long regionId) {
    checkState();
    final RegionEngine regionEngine = getRegionEngine(regionId);
    return regionEngine != null && regionEngine.isLeader();
}

Example 4 with RegionEngine

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

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

Example 5 with RegionEngine

use of com.alipay.sofa.jraft.rhea.RegionEngine 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);
    }
}