本文整理匯總了Java中org.apache.hadoop.hbase.client.Scan.getMaxResultsPerColumnFamily方法的典型用法代碼示例。如果您正苦於以下問題:Java Scan.getMaxResultsPerColumnFamily方法的具體用法?Java Scan.getMaxResultsPerColumnFamily怎麽用?Java Scan.getMaxResultsPerColumnFamily使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.hbase.client.Scan
的用法示例。
在下文中一共展示了Scan.getMaxResultsPerColumnFamily方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: StoreScanner
import org.apache.hadoop.hbase.client.Scan; //導入方法依賴的package包/類
/**
* Opens a scanner across memstore, snapshot, and all StoreFiles. Assumes we
* are not in a compaction.
*
* @param store who we scan
* @param scan the spec
* @param columns which columns we are scanning
* @throws IOException
*/
public StoreScanner(Store store, ScanInfo scanInfo, Scan scan, final NavigableSet<byte[]> columns,
long readPt) throws IOException {
this(store, scan, scanInfo, columns, readPt, scan.getCacheBlocks());
if (columns != null && scan.isRaw()) {
throw new DoNotRetryIOException("Cannot specify any column for a raw scan");
}
matcher = new ScanQueryMatcher(scan, scanInfo, columns, ScanType.USER_SCAN, Long.MAX_VALUE,
HConstants.LATEST_TIMESTAMP, oldestUnexpiredTS, now, store.getCoprocessorHost());
this.store.addChangedReaderObserver(this);
// Pass columns to try to filter out unnecessary StoreFiles.
List<KeyValueScanner> scanners = getScannersNoCompaction();
// Seek all scanners to the start of the Row (or if the exact matching row
// key does not exist, then to the start of the next matching Row).
// Always check bloom filter to optimize the top row seek for delete
// family marker.
seekScanners(scanners, matcher.getStartKey(), explicitColumnQuery && lazySeekEnabledGlobally,
parallelSeekEnabled);
// set storeLimit
this.storeLimit = scan.getMaxResultsPerColumnFamily();
// set rowOffset
this.storeOffset = scan.getRowOffsetPerColumnFamily();
// Combine all seeked scanners with a heap
resetKVHeap(scanners, store.getComparator());
}