Examples with PutIfAbsentResponse com.alipay.sofa.jraft.rhea.cmd.store.PutIfAbsentResponse used on opensource projects

Example 1 with PutIfAbsentResponse

use of com.alipay.sofa.jraft.rhea.cmd.store.PutIfAbsentResponse in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handlePutIfAbsentRequest.

@Override
public void handlePutIfAbsentRequest(final PutIfAbsentRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final PutIfAbsentResponse response = new PutIfAbsentResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final byte[] key = KVParameterRequires.requireNonNull(request.getKey(), "putIfAbsent.key");
        final byte[] value = KVParameterRequires.requireNonNull(request.getValue(), "putIfAbsent.value");
        this.rawKVStore.putIfAbsent(key, value, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((byte[]) 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);
    }
}