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Java ScanInfo.getTtl方法代码示例

本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.Store.ScanInfo.getTtl方法的典型用法代码示例。如果您正苦于以下问题:Java ScanInfo.getTtl方法的具体用法?Java ScanInfo.getTtl怎么用?Java ScanInfo.getTtl使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.apache.hadoop.hbase.regionserver.Store.ScanInfo的用法示例。


在下文中一共展示了ScanInfo.getTtl方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: StoreScanner

import org.apache.hadoop.hbase.regionserver.Store.ScanInfo; //导入方法依赖的package包/类
/**
 * Used for major compactions.
 * <p>
 * Opens a scanner across specified StoreFiles.
 * @param store who we scan
 * @param scan the spec
 * @param scanners ancillary scanners
 * @param smallestReadPoint the readPoint that we should use for tracking versions
 */
public StoreScanner(Store store, ScanInfo scanInfo, Scan scan,
    List<? extends KeyValueScanner> scanners, ScanType scanType, long smallestReadPoint,
    long earliestPutTs) throws IOException {
  this(store, false, scan, null, scanInfo.getTtl(), scanInfo.getMinVersions());
  initializeMetricNames();
  matcher =
      new ScanQueryMatcher(scan, scanInfo, null, scanType, smallestReadPoint, earliestPutTs,
          oldestUnexpiredTS);

  // Filter the list of scanners using Bloom filters, time range, TTL, etc.
  scanners = selectScannersFrom(scanners);

  // Seek all scanners to the initial key
  for (KeyValueScanner scanner : scanners) {
    scanner.seek(matcher.getStartKey());
  }

  // Combine all seeked scanners with a heap
  heap = new KeyValueHeap(scanners, store.comparator);
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:30,代码来源:StoreScanner.java

示例2: StoreScanner

import org.apache.hadoop.hbase.regionserver.Store.ScanInfo; //导入方法依赖的package包/类
/**
 * Used for major compactions.<p>
 *
 * Opens a scanner across specified StoreFiles.
 * @param store who we scan
 * @param scan the spec
 * @param scanners ancillary scanners
 * @param smallestReadPoint the readPoint that we should use for tracking
 *          versions
 */
public StoreScanner(Store store, ScanInfo scanInfo, Scan scan,
    List<? extends KeyValueScanner> scanners, ScanType scanType,
    long smallestReadPoint, long earliestPutTs) throws IOException {
  this(store, false, scan, null, scanInfo.getTtl(),
      scanInfo.getMinVersions());
  initializeMetricNames();
  matcher = new ScanQueryMatcher(scan, scanInfo, null, scanType,
      smallestReadPoint, earliestPutTs, oldestUnexpiredTS);

  // Filter the list of scanners using Bloom filters, time range, TTL, etc.
  scanners = selectScannersFrom(scanners);

  // Seek all scanners to the initial key
  for(KeyValueScanner scanner : scanners) {
    scanner.seek(matcher.getStartKey());
  }

  // Combine all seeked scanners with a heap
  heap = new KeyValueHeap(scanners, store.comparator);
}
 
开发者ID:wanhao,项目名称:IRIndex,代码行数:31,代码来源:StoreScanner.java

示例3: getScanInfo

import org.apache.hadoop.hbase.regionserver.Store.ScanInfo; //导入方法依赖的package包/类
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());
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:14,代码来源:ZooKeeperScanPolicyObserver.java


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