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

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

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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);
    HRegionInfo mockRegionInfo = Mockito.mock(HRegionInfo.class);
    Mockito.when(mockRS.getRegion((RegionSpecifier)Mockito.any())).thenReturn(mockRegion);
    Mockito.when(mockRegion.getRegionInfo()).thenReturn(mockRegionInfo);
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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 = new PayloadCarryingRpcController();
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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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    for (int tries = 0; tries < (this.numRetries * this.retryLongerMultiplier); tries++) {
      try {

        Scan scan = MetaReader.getScanForTableName(tableName);
        scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
        ScanRequest request = RequestConverter.buildScanRequest(
          firstMetaServer.getRegionInfo().getRegionName(), scan, 1, true);
        Result[] values = null;
        // Get a batch at a time.
        ClientService.BlockingInterface server = connection.getClient(firstMetaServer
            .getServerName());
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    for (int tries = 0; tries < (this.numRetries * this.retryLongerMultiplier); tries++) {
      try {

        Scan scan = MetaReader.getScanForTableName(tableName);
        scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
        ScanRequest request = RequestConverter.buildScanRequest(
          firstMetaServer.getRegionInfo().getRegionName(), scan, 1, true);
        Result[] values = null;
        // Get a batch at a time.
        ClientService.BlockingInterface server = connection.getClient(firstMetaServer
            .getServerName());
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      byte[] localStartKey, final int cacheNum) {
    this.scan.setStartRow(localStartKey);
    RegionServerCallable<Result[]> callable = new RegionServerCallable<Result[]>(
        getConnection(), getTable(), scan.getStartRow()) {
      public Result[] call() throws IOException {
        ScanRequest request = RequestConverter.buildScanRequest(getLocation()
            .getRegionInfo().getRegionName(), scan, cacheNum, true);
        ScanResponse response = null;
        PayloadCarryingRpcController controller = new PayloadCarryingRpcController();
        try {
          controller.setPriority(getTableName());
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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);
    HRegionInfo mockRegionInfo = Mockito.mock(HRegionInfo.class);
    Mockito.when(mockRS.getRegion((RegionSpecifier)Mockito.any())).thenReturn(mockRegion);
    Mockito.when(mockRegion.getRegionInfo()).thenReturn(mockRegionInfo);
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      if (LOG.isTraceEnabled()) LOG.trace("Marking normal priority after getting exception=" + ex);
      return HConstants.NORMAL_QOS;
    }

    if (methodName.equals("scan")) { // scanner methods...
      ScanRequest request = (ScanRequest)param;
      if (!request.hasScannerId()) {
        return HConstants.NORMAL_QOS;
      }
      RegionScanner scanner = hRegionServer.getScanner(request.getScannerId());
      if (scanner != null && scanner.getRegionInfo().isMetaRegion()) {
        if (LOG.isTraceEnabled()) {
          // Scanner requests are small in size so TextFormat version should not overwhelm log.
          LOG.trace("High priority scanner request " + TextFormat.shortDebugString(request));
        }
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Related Classes of org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ScanRequest

  • org.apache.hadoop.hbase.client.ClientSmallScanner
  • 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
  • org.apache.hadoop.hbase.regionserver.QosFunction
  • org.apache.hadoop.hbase.regionserver.TestEndToEndSplitTransaction
  • org.apache.hadoop.hbase.regionserver.TestPriorityRpc
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