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类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);
}
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);
}
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());
}