本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.MultiVersionConsistencyControl类的典型用法代码示例。如果您正苦于以下问题:Java MultiVersionConsistencyControl类的具体用法?Java MultiVersionConsistencyControl怎么用?Java MultiVersionConsistencyControl使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
MultiVersionConsistencyControl类属于org.apache.hadoop.hbase.regionserver包,在下文中一共展示了MultiVersionConsistencyControl类的5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: getFromStoreFile
import org.apache.hadoop.hbase.regionserver.MultiVersionConsistencyControl; //导入依赖的package包/类
/**
* Do a small get/scan against one store. This is required because store
* has no actual methods of querying itself, and relies on StoreScanner.
*/
public static List<KeyValue> getFromStoreFile(Store store,
Get get) throws IOException {
MultiVersionConsistencyControl.resetThreadReadPoint();
Scan scan = new Scan(get);
InternalScanner scanner = (InternalScanner) store.getScanner(scan,
scan.getFamilyMap().get(store.getFamily().getName()));
List<KeyValue> result = new ArrayList<KeyValue>();
scanner.next(result);
if (!result.isEmpty()) {
// verify that we are on the row we want:
KeyValue kv = result.get(0);
if (!Bytes.equals(kv.getRow(), get.getRow())) {
result.clear();
}
}
scanner.close();
return result;
}
示例2: getFromStoreFile
import org.apache.hadoop.hbase.regionserver.MultiVersionConsistencyControl; //导入依赖的package包/类
/**
* Do a small get/scan against one store. This is required because store
* has no actual methods of querying itself, and relies on StoreScanner.
*/
public static List<Cell> getFromStoreFile(HStore store,
Get get) throws IOException {
MultiVersionConsistencyControl.resetThreadReadPoint();
Scan scan = new Scan(get);
InternalScanner scanner = (InternalScanner) store.getScanner(scan,
scan.getFamilyMap().get(store.getFamily().getName()));
List<Cell> result = new ArrayList<Cell>();
scanner.next(result);
if (!result.isEmpty()) {
// verify that we are on the row we want:
Cell kv = result.get(0);
if (!CellUtil.matchingRow(kv, get.getRow())) {
result.clear();
}
}
scanner.close();
return result;
}
示例3: getFromStoreFile
import org.apache.hadoop.hbase.regionserver.MultiVersionConsistencyControl; //导入依赖的package包/类
/**
* Do a small get/scan against one store. This is required because store
* has no actual methods of querying itself, and relies on StoreScanner.
*/
public static List<KeyValue> getFromStoreFile(HStore store,
Get get) throws IOException {
MultiVersionConsistencyControl.resetThreadReadPoint();
Scan scan = new Scan(get);
InternalScanner scanner = (InternalScanner) store.getScanner(scan,
scan.getFamilyMap().get(store.getFamily().getName()));
List<KeyValue> result = new ArrayList<KeyValue>();
scanner.next(result);
if (!result.isEmpty()) {
// verify that we are on the row we want:
KeyValue kv = result.get(0);
if (!Bytes.equals(kv.getRow(), get.getRow())) {
result.clear();
}
}
scanner.close();
return result;
}
示例4: process
import org.apache.hadoop.hbase.regionserver.MultiVersionConsistencyControl; //导入依赖的package包/类
@Override
public void process() {
try {
MultiVersionConsistencyControl.setThreadReadPoint(readPoint);
scanner.seek(keyValue);
} catch (IOException e) {
LOG.error("", e);
setErr(e);
} finally {
latch.countDown();
}
}
示例5: setSmallestReadPoint
import org.apache.hadoop.hbase.regionserver.MultiVersionConsistencyControl; //导入依赖的package包/类
protected long setSmallestReadPoint() {
long smallestReadPoint = store.getSmallestReadPoint();
MultiVersionConsistencyControl.setThreadReadPoint(smallestReadPoint);
return smallestReadPoint;
}