Package org.apache.hadoop.hbase.protobuf.generated.ClientProtos

Examples of org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ScanRequest

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  private boolean isScanRequest(final RequestHeader header, final Message param) {
    String methodName = header.getMethodName();
    if (methodName.equalsIgnoreCase("scan")) {
      // The first scan request will be executed as a "short read"
      ScanRequest request = (ScanRequest)param;
      return request.hasScannerId();
    }
    return false;
  }
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          .getRegionName();
      // get and scan should now succeed without exception
      ClientProtos.GetRequest request =
          RequestConverter.buildGetRequest(regionName, new Get(row));
      server.getRSRpcServices().get(null, request);
      ScanRequest scanRequest = RequestConverter.buildScanRequest(
        regionName, new Scan(row), 1, true);
      try {
        server.getRSRpcServices().scan(
          new PayloadCarryingRpcController(), scanRequest);
      } catch (ServiceException se) {
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    try {
      byte[] regionName = con.relocateRegion(tableName, row).getRegionInfo()
          .getRegionName();
      // get and scan should now succeed without exception
      ProtobufUtil.get(server, regionName, new Get(row));
      ScanRequest scanRequest = RequestConverter.buildScanRequest(
        regionName, new Scan(row), 1, true);
      try {
        server.scan(new PayloadCarryingRpcController(), scanRequest);
      } catch (ServiceException se) {
        throw ProtobufUtil.getRemoteException(se);
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    headerBuilder.setMethodName("Scan");
    RequestHeader header = headerBuilder.build();

    //build an empty scan request
    ScanRequest.Builder scanBuilder = ScanRequest.newBuilder();
    ScanRequest scanRequest = scanBuilder.build();
    HRegion mockRegion = Mockito.mock(HRegion.class);
    HRegionServer mockRS = Mockito.mock(HRegionServer.class);
    RSRpcServices mockRpc = Mockito.mock(RSRpcServices.class);
    Mockito.when(mockRS.getRSRpcServices()).thenReturn(mockRpc);
    HRegionInfo mockRegionInfo = Mockito.mock(HRegionInfo.class);
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          .getRegionName();
      // get and scan should now succeed without exception
      ClientProtos.GetRequest request =
          RequestConverter.buildGetRequest(regionName, new Get(row));
      server.getRSRpcServices().get(null, request);
      ScanRequest scanRequest = RequestConverter.buildScanRequest(
        regionName, new Scan(row), 1, true);
      try {
        server.getRSRpcServices().scan(
          new PayloadCarryingRpcController(), scanRequest);
      } catch (ServiceException se) {
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    } else {
      if (scannerId == -1L) {
        this.scannerId = openScanner();
      } else {
        Result [] rrs = null;
        ScanRequest request = null;
        try {
          incRPCcallsMetrics();
          request = RequestConverter.buildScanRequest(scannerId, caching, false, nextCallSeq);
          ScanResponse response = null;
          PayloadCarryingRpcController controller = controllerFactory.newController();
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    if (this.scannerId == -1L) {
      return;
    }
    try {
      incRPCcallsMetrics();
      ScanRequest request =
        RequestConverter.buildScanRequest(this.scannerId, 0, true);
      try {
        getStub().scan(null, request);
      } catch (ServiceException se) {
        throw ProtobufUtil.getRemoteException(se);
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    this.scannerId = -1L;
  }

  protected long openScanner() throws IOException {
    incRPCcallsMetrics();
    ScanRequest request =
      RequestConverter.buildScanRequest(
        getLocation().getRegionInfo().getRegionName(),
        this.scan, 0, false);
    try {
      ScanResponse response = getStub().scan(null, request);
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    public Result[] call(int timeout) throws IOException {
      if (this.closed) return null;
      if (Thread.interrupted()) {
        throw new InterruptedIOException();
      }
      ScanRequest request = RequestConverter.buildScanRequest(getLocation()
          .getRegionInfo().getRegionName(), getScan(), getCaching(), true);
      ScanResponse response = null;
      PayloadCarryingRpcController controller = controllerFactory.newController();
      try {
        controller.setPriority(getTableName());
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  private boolean isScanRequest(final RequestHeader header, final Message param) {
    String methodName = header.getMethodName();
    if (methodName.equalsIgnoreCase("scan")) {
      // The first scan request will be executed as a "short read"
      ScanRequest request = (ScanRequest)param;
      return request.hasScannerId();
    }
    return false;
  }
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Related Classes of org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ScanRequest

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  • org.apache.hadoop.hbase.client.ClientSmallScanner$SmallScannerCallable
  • org.apache.hadoop.hbase.client.HBaseAdmin
  • org.apache.hadoop.hbase.client.ScannerCallable
  • org.apache.hadoop.hbase.ipc.RWQueueRpcExecutor
  • org.apache.hadoop.hbase.regionserver.AnnotationReadingPriorityFunction
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