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Example 1 with ContainsKeyResponse

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

the class DefaultRegionKVService method handleContainsKeyRequest.

@Override
public void handleContainsKeyRequest(final ContainsKeyRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final ContainsKeyResponse response = new ContainsKeyResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final byte[] key = KVParameterRequires.requireNonNull(request.getKey(), "containsKey.key");
        this.rawKVStore.containsKey(key, 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) ContainsKeyResponse(com.alipay.sofa.jraft.rhea.cmd.store.ContainsKeyResponse) BaseKVStoreClosure(com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure)

Aggregations

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