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Example 1 with CompareAndPutResponse

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

the class DefaultRegionKVService method handleCompareAndPutRequest.

@Override
public void handleCompareAndPutRequest(final CompareAndPutRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final CompareAndPutResponse response = new CompareAndPutResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final byte[] key = KVParameterRequires.requireNonNull(request.getKey(), "compareAndPut.key");
        final byte[] expect = KVParameterRequires.requireNonNull(request.getExpect(), "compareAndPut.expect");
        final byte[] update = KVParameterRequires.requireNonNull(request.getUpdate(), "compareAndPut.update");
        this.rawKVStore.compareAndPut(key, expect, update, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((Boolean) 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);
    }
}
Also used : Status(com.alipay.sofa.jraft.Status) BaseKVStoreClosure(com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure) CompareAndPutResponse(com.alipay.sofa.jraft.rhea.cmd.store.CompareAndPutResponse)

Aggregations

Status (com.alipay.sofa.jraft.Status)1 CompareAndPutResponse (com.alipay.sofa.jraft.rhea.cmd.store.CompareAndPutResponse)1 BaseKVStoreClosure (com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure)1