本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.HStore.getScanner方法的典型用法代码示例。如果您正苦于以下问题:Java HStore.getScanner方法的具体用法?Java HStore.getScanner怎么用?Java HStore.getScanner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.HStore
的用法示例。
在下文中一共展示了HStore.getScanner方法的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.HStore; //导入方法依赖的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 {
Scan scan = new Scan(get);
InternalScanner scanner = (InternalScanner) store.getScanner(scan,
scan.getFamilyMap().get(store.getFamily().getName()),
// originally MultiVersionConcurrencyControl.resetThreadReadPoint() was called to set
// readpoint 0.
0);
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2: getFromStoreFile
import org.apache.hadoop.hbase.regionserver.HStore; //导入方法依赖的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 {
Scan scan = new Scan(get);
InternalScanner scanner = (InternalScanner) store.getScanner(scan,
scan.getFamilyMap().get(store.getFamily().getName()),
// originally MultiVersionConsistencyControl.resetThreadReadPoint() was called to set
// readpoint 0.
0);
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.HStore; //导入方法依赖的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 {
Scan scan = new Scan(get);
InternalScanner scanner = (InternalScanner) store.getScanner(scan,
scan.getFamilyMap().get(store.getColumnFamilyDescriptor().getName()),
// originally MultiVersionConcurrencyControl.resetThreadReadPoint() was called to set
// readpoint 0.
0);
List<Cell> result = new ArrayList<>();
scanner.next(result);
if (!result.isEmpty()) {
// verify that we are on the row we want:
Cell kv = result.get(0);
if (!CellUtil.matchingRows(kv, get.getRow())) {
result.clear();
}
}
scanner.close();
return result;
}
示例4: getFromStoreFile
import org.apache.hadoop.hbase.regionserver.HStore; //导入方法依赖的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5: getFromStoreFile
import org.apache.hadoop.hbase.regionserver.HStore; //导入方法依赖的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;
}