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Example 1 with GetResponse

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

the class DefaultRegionKVService method handleGetRequest.

@Override
public void handleGetRequest(final GetRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final GetResponse response = new GetResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final byte[] key = KVParameterRequires.requireNonNull(request.getKey(), "get.key");
        this.rawKVStore.get(key, request.isReadOnlySafe(), 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);
    }
}
Also used : Status(io.dingodb.raft.Status) BaseKVStoreClosure(io.dingodb.store.row.storage.BaseKVStoreClosure) MultiGetResponse(io.dingodb.store.row.cmd.store.MultiGetResponse) GetResponse(io.dingodb.store.row.cmd.store.GetResponse)

Aggregations

Status (io.dingodb.raft.Status)1 GetResponse (io.dingodb.store.row.cmd.store.GetResponse)1 MultiGetResponse (io.dingodb.store.row.cmd.store.MultiGetResponse)1 BaseKVStoreClosure (io.dingodb.store.row.storage.BaseKVStoreClosure)1