List of openScanner() Examples

Examples of openScanner()

org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()
Opens a remote scanner with a RowFilter. @param regionName name of region to scan @param scan configured scan object @return scannerId scanner identifier used in other calls @throws IOException e
org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner()

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Scan scan = new Scan(firstRowInTable);
      scan.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      scan.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      long scannerid = srvr.openScanner(metaRegionName, scan);
      try {
        while (true) {
          Result data = srvr.next(scannerid);
          if (data == null || data.size() <= 0)
            break;

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Scan scan = new Scan(firstRowInTable);
      scan.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      scan.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      long scannerid = srvr.openScanner(metaRegionName, scan);
      try {
        while (true) {
          Result data = srvr.next(scannerid);
          if (data == null || data.size() <= 0)
            break;

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

    for (int tries = 0; tries < numRetries; tries++) {
      long scannerId = -1L;
      try {
        Scan scan = new Scan().addColumn(HConstants.CATALOG_FAMILY,
          HConstants.REGIONINFO_QUALIFIER);
        scannerId = server.openScanner(
          firstMetaServer.getRegionInfo().getRegionName(), scan);
        // Get a batch at a time.
        Result [] values = server.next(scannerId, batchCount);
        if (values == null || values.length == 0) {
          break;

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

      try {


        Scan scan = MetaReader.getScanForTableName(tableName);
        scan.addColumn(HConstants.CATALOG_FAMILY,
            HConstants.REGIONINFO_QUALIFIER);
        scannerId = server.openScanner(
          firstMetaServer.getRegionInfo().getRegionName(), scan);
        // Get a batch at a time.
        Result values = server.next(scannerId);
        if (values == null) {
          break;

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

      try {


        Scan scan = MetaReader.getScanForTableName(tableName);
        scan.addColumn(HConstants.CATALOG_FAMILY,
            HConstants.REGIONINFO_QUALIFIER);
        scannerId = server.openScanner(
          firstMetaServer.getRegionInfo().getRegionName(), scan);
        // Get a batch at a time.
        Result values = server.next(scannerId);
        if (values == null) {
          break;

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

    HRegionInterface metaServer =
      catalogTracker.waitForMetaServerConnectionDefault();
    Scan scan = new Scan();
    if (startrow != null) scan.setStartRow(startrow);
    scan.addFamily(HConstants.CATALOG_FAMILY);
    long scannerid = metaServer.openScanner(
        HRegionInfo.FIRST_META_REGIONINFO.getRegionName(), scan);
    try {
      Result data;
      while((data = metaServer.next(scannerid)) != null) {
        if (!data.isEmpty()) {

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

    }
    HRegionInterface metaServer =
      catalogTracker.waitForMetaServerConnectionDefault();
    Scan scan = getScanForTableName(Bytes.toBytes(tableName));
    scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
    long scannerid = metaServer.openScanner(
        HRegionInfo.FIRST_META_REGIONINFO.getRegionName(), scan);
    try {
      Result data = metaServer.next(scannerid);
      if (data != null && data.size() > 0) {
          return true;

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

      try {


        Scan scan = MetaReader.getScanForTableName(tableName);
        scan.addColumn(HConstants.CATALOG_FAMILY,
            HConstants.REGIONINFO_QUALIFIER);
        scannerId = server.openScanner(
          firstMetaServer.getRegionInfo().getRegionName(), scan);
        // Get a batch at a time.
        Result values = server.next(scannerId);
        if (values == null) {
          break;

View Full Code Here

Examples of org.apache.hadoop.hbase.ipc.HRegionInterface.openScanner()

    List<HRegionInfo> regions = new ArrayList<HRegionInfo>();


    Scan scan = getScanForTableName(tableName);
    scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
    long scannerid =
      metaServer.openScanner(getCatalogRegionNameForTable(tableName), scan);
    try {
      Result data;
      while((data = metaServer.next(scannerid)) != null) {
        if (data != null && data.size() > 0) {
          HRegionInfo info = Writables.getHRegionInfo(

View Full Code Here

Examples of org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner()

            else if (Bytes.compareTo(endKey, info.getEndKey()) < 0)
                scan.setStopRow(endKey);
            else
                scan.setStopRow(info.getEndKey());


            scannerId = rs.openScanner(regionName, scan);
        } catch (Exception e) {
            throw DbException.convert(e);
        }
    }

View Full Code Here

0 1 2 3 4 5

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.