import org.apache.hadoop.hbase.coprocessor.protobuf.generated.PingProtos.NoopResponse; //导入依赖的package包/类
private Map<byte [], String> noop(final Table table, final byte [] start,
    final byte [] end)
throws ServiceException, Throwable {
  return table.coprocessorService(PingProtos.PingService.class, start, end,
      new Batch.Call<PingProtos.PingService, String>() {
        @Override
        public String call(PingProtos.PingService instance) throws IOException {
          BlockingRpcCallback<PingProtos.NoopResponse> rpcCallback =
            new BlockingRpcCallback<PingProtos.NoopResponse>();
          PingProtos.NoopRequest.Builder builder = PingProtos.NoopRequest.newBuilder();
          instance.noop(null, builder.build(), rpcCallback);
          rpcCallback.get();
          // Looks like null is expected when void.  That is what the test below is looking for
          return null;
        }
      });
}
 

import org.apache.hadoop.hbase.coprocessor.protobuf.generated.PingProtos.NoopResponse; //导入依赖的package包/类
private Map<byte [], String> noop(final HTable table, final byte [] start,
    final byte [] end)
throws ServiceException, Throwable {
  return table.coprocessorService(PingProtos.PingService.class, start, end,
      new Batch.Call<PingProtos.PingService, String>() {
        @Override
        public String call(PingProtos.PingService instance) throws IOException {
          BlockingRpcCallback<PingProtos.NoopResponse> rpcCallback =
            new BlockingRpcCallback<PingProtos.NoopResponse>();
          PingProtos.NoopRequest.Builder builder = PingProtos.NoopRequest.newBuilder();
          instance.noop(null, builder.build(), rpcCallback);
          rpcCallback.get();
          // Looks like null is expected when void.  That is what the test below is looking for
          return null;
        }
      });
}
 

import org.apache.hadoop.hbase.coprocessor.protobuf.generated.PingProtos.NoopResponse; //导入依赖的package包/类
private Map<byte [], String> noop(final Table table, final byte [] start,
    final byte [] end)
throws ServiceException, Throwable {
  return table.coprocessorService(PingProtos.PingService.class, start, end,
      new Batch.Call<PingProtos.PingService, String>() {
        @Override
        public String call(PingProtos.PingService instance) throws IOException {
          CoprocessorRpcUtils.BlockingRpcCallback<PingProtos.NoopResponse> rpcCallback =
            new CoprocessorRpcUtils.BlockingRpcCallback<>();
          PingProtos.NoopRequest.Builder builder = PingProtos.NoopRequest.newBuilder();
          instance.noop(null, builder.build(), rpcCallback);
          rpcCallback.get();
          // Looks like null is expected when void.  That is what the test below is looking for
          return null;
        }
      });
}
 

import org.apache.hadoop.hbase.coprocessor.protobuf.generated.PingProtos.NoopResponse; //导入依赖的package包/类
@Override
public void noop(RpcController controller, NoopRequest request,
    RpcCallback<NoopResponse> callback) {
  callback.run(NoopResponse.newBuilder().build());
}