Package org.apache.hadoop.hbase.regionserver

Examples of org.apache.hadoop.hbase.regionserver.ScanInfo

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        final ObserverContext<RegionCoprocessorEnvironment> c,
        Store store, List<? extends KeyValueScanner> scanners, ScanType scanType,
        long earliestPutTs, InternalScanner s) throws IOException {
      Long newTtl = ttls.get(store.getTableName());
      Integer newVersions = versions.get(store.getTableName());
      ScanInfo oldSI = store.getScanInfo();
      HColumnDescriptor family = store.getFamily();
      ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
          newVersions == null ? family.getMaxVersions() : newVersions,
          newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
          oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
      Scan scan = new Scan();
      scan.setMaxVersions(newVersions == null ? oldSI.getMaxVersions() : newVersions);
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        final NavigableSet<byte[]> targetCols, KeyValueScanner s) throws IOException {
      TableName tn = store.getTableName();
      if (!tn.isSystemTable()) {
        Long newTtl = ttls.get(store.getTableName());
        Integer newVersions = versions.get(store.getTableName());
        ScanInfo oldSI = store.getScanInfo();
        HColumnDescriptor family = store.getFamily();
        ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
            newVersions == null ? family.getMaxVersions() : newVersions,
            newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
            oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
        return new StoreScanner(store, scanInfo, scan, targetCols,
            ((HStore) store).getHRegion().getReadpoint(IsolationLevel.READ_COMMITTED));
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      Long newTtl = ttls.get(store.getTableName());
      if (newTtl != null) {
        System.out.println("PreFlush:" + newTtl);
      }
      Integer newVersions = versions.get(store.getTableName());
      ScanInfo oldSI = store.getScanInfo();
      HColumnDescriptor family = store.getFamily();
      ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
          newVersions == null ? family.getMaxVersions() : newVersions,
          newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
          oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
      Scan scan = new Scan();
      scan.setMaxVersions(newVersions == null ? oldSI.getMaxVersions() : newVersions);
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        final ObserverContext<RegionCoprocessorEnvironment> c,
        Store store, List<? extends KeyValueScanner> scanners, ScanType scanType,
        long earliestPutTs, InternalScanner s) throws IOException {
      Long newTtl = ttls.get(store.getTableName());
      Integer newVersions = versions.get(store.getTableName());
      ScanInfo oldSI = store.getScanInfo();
      HColumnDescriptor family = store.getFamily();
      ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
          newVersions == null ? family.getMaxVersions() : newVersions,
          newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
          oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
      Scan scan = new Scan();
      scan.setMaxVersions(newVersions == null ? oldSI.getMaxVersions() : newVersions);
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        final NavigableSet<byte[]> targetCols, KeyValueScanner s) throws IOException {
      TableName tn = store.getTableName();
      if (!tn.isSystemTable()) {
        Long newTtl = ttls.get(store.getTableName());
        Integer newVersions = versions.get(store.getTableName());
        ScanInfo oldSI = store.getScanInfo();
        HColumnDescriptor family = store.getFamily();
        ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
            newVersions == null ? family.getMaxVersions() : newVersions,
            newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
            oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
        return new StoreScanner(store, scanInfo, scan, targetCols,
            ((HStore) store).getHRegion().getReadpoint(IsolationLevel.READ_COMMITTED));
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      Long newTtl = ttls.get(store.getTableName());
      if (newTtl != null) {
        System.out.println("PreFlush:" + newTtl);
      }
      Integer newVersions = versions.get(store.getTableName());
      ScanInfo oldSI = store.getScanInfo();
      HColumnDescriptor family = store.getFamily();
      ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
          newVersions == null ? family.getMaxVersions() : newVersions,
          newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
          oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
      Scan scan = new Scan();
      scan.setMaxVersions(newVersions == null ? oldSI.getMaxVersions() : newVersions);
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        final ObserverContext<RegionCoprocessorEnvironment> c,
        Store store, List<? extends KeyValueScanner> scanners, ScanType scanType,
        long earliestPutTs, InternalScanner s) throws IOException {
      Long newTtl = ttls.get(store.getTableName());
      Integer newVersions = versions.get(store.getTableName());
      ScanInfo oldSI = store.getScanInfo();
      HColumnDescriptor family = store.getFamily();
      ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
          newVersions == null ? family.getMaxVersions() : newVersions,
          newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
          oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
      Scan scan = new Scan();
      scan.setMaxVersions(newVersions == null ? oldSI.getMaxVersions() : newVersions);
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    public KeyValueScanner preStoreScannerOpen(
        final ObserverContext<RegionCoprocessorEnvironment> c, Store store, final Scan scan,
        final NavigableSet<byte[]> targetCols, KeyValueScanner s) throws IOException {
      Long newTtl = ttls.get(store.getTableName());
      Integer newVersions = versions.get(store.getTableName());
      ScanInfo oldSI = store.getScanInfo();
      HColumnDescriptor family = store.getFamily();
      ScanInfo scanInfo = new ScanInfo(family.getName(), family.getMinVersions(),
          newVersions == null ? family.getMaxVersions() : newVersions,
          newTtl == null ? oldSI.getTtl() : newTtl, family.getKeepDeletedCells(),
          oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
      return new StoreScanner(store, scanInfo, scan, targetCols,
        ((HStore)store).getHRegion().getReadpoint(IsolationLevel.READ_COMMITTED));
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  protected ScanInfo getScanInfo(Store store, RegionCoprocessorEnvironment e) {
    byte[] data = ((ZKWatcher)e.getSharedData().get(zkkey)).getData();
    if (data == null) {
      return null;
    }
    ScanInfo oldSI = store.getScanInfo();
    if (oldSI.getTtl() == Long.MAX_VALUE) {
      return null;
    }
    long ttl = Math.max(EnvironmentEdgeManager.currentTimeMillis() -
        Bytes.toLong(data), oldSI.getTtl());
    return new ScanInfo(store.getFamily(), ttl,
        oldSI.getTimeToPurgeDeletes(), oldSI.getComparator());
  }
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  }

  @Override
  public InternalScanner preFlushScannerOpen(final ObserverContext<RegionCoprocessorEnvironment> c,
      Store store, KeyValueScanner memstoreScanner, InternalScanner s) throws IOException {
    ScanInfo scanInfo = getScanInfo(store, c.getEnvironment());
    if (scanInfo == null) {
      // take default action
      return null;
    }
    Scan scan = new Scan();
    scan.setMaxVersions(scanInfo.getMaxVersions());
    return new StoreScanner(store, scanInfo, scan, Collections.singletonList(memstoreScanner),
        ScanType.COMPACT_RETAIN_DELETES, store.getSmallestReadPoint(), HConstants.OLDEST_TIMESTAMP);
  }
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Related Classes of org.apache.hadoop.hbase.regionserver.ScanInfo

  • org.apache.hadoop.hbase.coprocessor.example.ZooKeeperScanPolicyObserver
  • org.apache.hadoop.hbase.regionserver.TestMemStore
  • org.apache.hadoop.hbase.regionserver.TestStoreScanner
  • org.apache.hadoop.hbase.util.TestCoprocessorScanPolicy$ScanObserver
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