Examples with KeyLockResponse io.dingodb.store.row.cmd.store.KeyLockResponse used on opensource projects

Example 1 with KeyLockResponse

use of io.dingodb.store.row.cmd.store.KeyLockResponse in project dingo by dingodb.

the class DefaultRegionKVService method handleKeyLockRequest.

@Override
public void handleKeyLockRequest(final KeyLockRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final KeyLockResponse response = new KeyLockResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final byte[] key = KVParameterRequires.requireNonNull(request.getKey(), "lock.key");
        final byte[] fencingKey = this.regionEngine.getRegion().getStartKey();
        final DistributedLock.Acquirer acquirer = KVParameterRequires.requireNonNull(request.getAcquirer(), "lock.acquirer");
        KVParameterRequires.requireNonNull(acquirer.getId(), "lock.id");
        KVParameterRequires.requirePositive(acquirer.getLeaseMillis(), "lock.leaseMillis");
        this.rawKVStore.tryLockWith(key, fencingKey, request.isKeepLease(), acquirer, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((DistributedLock.Owner) 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);
    }
}