本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.RegionScanner.close方法的典型用法代码示例。如果您正苦于以下问题：Java RegionScanner.close方法的具体用法？Java RegionScanner.close怎么用？Java RegionScanner.close使用的例子？那么, 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.RegionScanner的用法示例。
在下文中一共展示了RegionScanner.close方法的15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: getExistingLabelsWithAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
protected List<List<Cell>> getExistingLabelsWithAuths() throws IOException {
Scan scan = new Scan();
RegionScanner scanner = labelsRegion.getScanner(scan);
List<List<Cell>> existingLabels = new ArrayList<List<Cell>>();
try {
while (true) {
List<Cell> cells = new ArrayList<Cell>();
scanner.next(cells);
if (cells.isEmpty()) {
break;
}
existingLabels.add(cells);
}
} finally {
scanner.close();
}
return existingLabels;
}
示例2: getExistingLabelsWithAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
private List<List<Cell>> getExistingLabelsWithAuths() throws IOException {
Scan scan = new Scan();
RegionScanner scanner = this.regionEnv.getRegion().getScanner(scan);
List<List<Cell>> existingLabels = new ArrayList<List<Cell>>();
try {
while (true) {
List<Cell> cells = new ArrayList<Cell>();
scanner.next(cells);
if (cells.isEmpty()) {
break;
}
existingLabels.add(cells);
}
} finally {
scanner.close();
}
return existingLabels;
}
示例3: getExistingLabelsWithAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
protected List<List<Cell>> getExistingLabelsWithAuths() throws IOException {
Scan scan = new Scan();
RegionScanner scanner = labelsRegion.getScanner(scan);
List<List<Cell>> existingLabels = new ArrayList<>();
try {
while (true) {
List<Cell> cells = new ArrayList<>();
scanner.next(cells);
if (cells.isEmpty()) {
break;
}
existingLabels.add(cells);
}
} finally {
scanner.close();
}
return existingLabels;
}
示例4: initiateScan
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
private void initiateScan(HRegion region) throws IOException {
Scan scan = new Scan();
scan.setCaching(1);
RegionScanner resScanner = null;
try {
resScanner = region.getScanner(scan);
List<Cell> results = new ArrayList<>();
boolean next = resScanner.next(results);
try {
counter.incrementAndGet();
latch.await();
} catch (InterruptedException e) {
}
while (next) {
next = resScanner.next(results);
}
} finally {
scanCompletedCounter.incrementAndGet();
resScanner.close();
}
}
示例5: getUserAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Override
public List<String> getUserAuths(byte[] user, boolean systemCall)
throws IOException {
assert (labelsRegion != null || systemCall);
if (systemCall || labelsRegion == null) {
return this.labelsCache.getUserAuths(Bytes.toString(user));
}
Scan s = new Scan();
if (user != null && user.length > 0) {
s.addColumn(LABELS_TABLE_FAMILY, user);
}
Filter filter = VisibilityUtils.createVisibilityLabelFilter(this.labelsRegion,
new Authorizations(SYSTEM_LABEL));
s.setFilter(filter);
ArrayList<String> auths = new ArrayList<String>();
RegionScanner scanner = this.labelsRegion.getScanner(s);
try {
List<Cell> results = new ArrayList<Cell>(1);
while (true) {
scanner.next(results);
if (results.isEmpty()) break;
Cell cell = results.get(0);
int ordinal = Bytes.toInt(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength());
String label = this.labelsCache.getLabel(ordinal);
if (label != null) {
auths.add(label);
}
results.clear();
}
} finally {
scanner.close();
}
return auths;
}
示例6: getGroupAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Override
public List<String> getGroupAuths(String[] groups, boolean systemCall)
throws IOException {
assert (labelsRegion != null || systemCall);
if (systemCall || labelsRegion == null) {
return this.labelsCache.getGroupAuths(groups);
}
Scan s = new Scan();
if (groups != null && groups.length > 0) {
for (String group : groups) {
s.addColumn(LABELS_TABLE_FAMILY, Bytes.toBytes(AuthUtil.toGroupEntry(group)));
}
}
Filter filter = VisibilityUtils.createVisibilityLabelFilter(this.labelsRegion,
new Authorizations(SYSTEM_LABEL));
s.setFilter(filter);
Set<String> auths = new HashSet<String>();
RegionScanner scanner = this.labelsRegion.getScanner(s);
try {
List<Cell> results = new ArrayList<Cell>(1);
while (true) {
scanner.next(results);
if (results.isEmpty()) break;
Cell cell = results.get(0);
int ordinal = Bytes.toInt(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength());
String label = this.labelsCache.getLabel(ordinal);
if (label != null) {
auths.add(label);
}
results.clear();
}
} finally {
scanner.close();
}
return new ArrayList<String>(auths);
}
示例7: runScanner
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
private void runScanner(Table hTable, int expectedSize, Filter filter) throws IOException {
String cf = "f";
Scan scan = new Scan();
scan.addFamily(cf.getBytes());
scan.setFilter(filter);
List<HRegion> regions = TEST_UTIL.getHBaseCluster().getRegions(table.getBytes());
HRegion first = regions.get(0);
first.getScanner(scan);
RegionScanner scanner = first.getScanner(scan);
List<Cell> results = new ArrayList<Cell>();
// Result result;
long timeBeforeScan = System.currentTimeMillis();
int found = 0;
while (scanner.next(results)) {
found += results.size();
results.clear();
}
found += results.size();
long scanTime = System.currentTimeMillis() - timeBeforeScan;
scanner.close();
LOG.info("\nscan time = " + scanTime + "ms");
LOG.info("found " + found + " results\n");
assertEquals(expectedSize, found);
}
示例8: getUserAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Override
public List<String> getUserAuths(byte[] user, boolean systemCall)
throws IOException {
assert (labelsRegion != null || systemCall);
if (systemCall || labelsRegion == null) {
return this.labelsCache.getUserAuths(Bytes.toString(user));
}
Scan s = new Scan();
if (user != null && user.length > 0) {
s.addColumn(LABELS_TABLE_FAMILY, user);
}
Filter filter = VisibilityUtils.createVisibilityLabelFilter(this.labelsRegion,
new Authorizations(SYSTEM_LABEL));
s.setFilter(filter);
ArrayList<String> auths = new ArrayList<String>();
RegionScanner scanner = this.labelsRegion.getScanner(s);
try {
List<Cell> results = new ArrayList<Cell>(1);
while (true) {
scanner.next(results);
if (results.isEmpty()) break;
Cell cell = results.get(0);
int ordinal = Bytes.toInt(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength());
String label = this.labelsCache.getLabel(ordinal);
if (label != null) {
auths.add(label);
}
results.clear();
}
} finally {
scanner.close();
}
return auths;
}
示例9: getGroupAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Override
public List<String> getGroupAuths(String[] groups, boolean systemCall)
throws IOException {
assert (labelsRegion != null || systemCall);
if (systemCall || labelsRegion == null) {
return this.labelsCache.getGroupAuths(groups);
}
Scan s = new Scan();
if (groups != null && groups.length > 0) {
for (String group : groups) {
s.addColumn(LABELS_TABLE_FAMILY, Bytes.toBytes(AccessControlLists.toGroupEntry(group)));
}
}
Filter filter = VisibilityUtils.createVisibilityLabelFilter(this.labelsRegion,
new Authorizations(SYSTEM_LABEL));
s.setFilter(filter);
Set<String> auths = new HashSet<String>();
RegionScanner scanner = this.labelsRegion.getScanner(s);
try {
List<Cell> results = new ArrayList<Cell>(1);
while (true) {
scanner.next(results);
if (results.isEmpty()) break;
Cell cell = results.get(0);
int ordinal = Bytes.toInt(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength());
String label = this.labelsCache.getLabel(ordinal);
if (label != null) {
auths.add(label);
}
results.clear();
}
} finally {
scanner.close();
}
return new ArrayList<String>(auths);
}
示例10: getUserAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Override
public List<String> getUserAuths(byte[] user, boolean systemCall)
throws IOException {
assert (labelsRegion != null || systemCall);
if (systemCall || labelsRegion == null) {
return this.labelsCache.getUserAuths(Bytes.toString(user));
}
Scan s = new Scan();
if (user != null && user.length > 0) {
s.addColumn(LABELS_TABLE_FAMILY, user);
}
Filter filter = VisibilityUtils.createVisibilityLabelFilter(this.labelsRegion,
new Authorizations(SYSTEM_LABEL));
s.setFilter(filter);
ArrayList<String> auths = new ArrayList<>();
RegionScanner scanner = this.labelsRegion.getScanner(s);
try {
List<Cell> results = new ArrayList<>(1);
while (true) {
scanner.next(results);
if (results.isEmpty()) break;
Cell cell = results.get(0);
int ordinal = PrivateCellUtil.getRowAsInt(cell);
String label = this.labelsCache.getLabel(ordinal);
if (label != null) {
auths.add(label);
}
results.clear();
}
} finally {
scanner.close();
}
return auths;
}
示例11: getGroupAuths
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Override
public List<String> getGroupAuths(String[] groups, boolean systemCall)
throws IOException {
assert (labelsRegion != null || systemCall);
if (systemCall || labelsRegion == null) {
return this.labelsCache.getGroupAuths(groups);
}
Scan s = new Scan();
if (groups != null && groups.length > 0) {
for (String group : groups) {
s.addColumn(LABELS_TABLE_FAMILY, Bytes.toBytes(AuthUtil.toGroupEntry(group)));
}
}
Filter filter = VisibilityUtils.createVisibilityLabelFilter(this.labelsRegion,
new Authorizations(SYSTEM_LABEL));
s.setFilter(filter);
Set<String> auths = new HashSet<>();
RegionScanner scanner = this.labelsRegion.getScanner(s);
try {
List<Cell> results = new ArrayList<>(1);
while (true) {
scanner.next(results);
if (results.isEmpty()) break;
Cell cell = results.get(0);
int ordinal = PrivateCellUtil.getRowAsInt(cell);
String label = this.labelsCache.getLabel(ordinal);
if (label != null) {
auths.add(label);
}
results.clear();
}
} finally {
scanner.close();
}
return new ArrayList<>(auths);
}
示例12: testStoreFileMissing
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Test
public void testStoreFileMissing() throws Exception {
// Write 3 records and create 3 store files.
write("row1");
region.flush(true);
write("row2");
region.flush(true);
write("row3");
region.flush(true);
Scan scan = new Scan();
scan.setCaching(1);
RegionScanner scanner = region.getScanner(scan);
List<Cell> res = new ArrayList<Cell>();
// Read first item
scanner.next(res);
assertEquals("row1", Bytes.toString(CellUtil.cloneRow(res.get(0))));
res.clear();
// Create a new file in between scan nexts
write("row4");
region.flush(true);
// Compact the table
region.compact(true);
// Create the cleaner object
CompactedHFilesDischarger cleaner =
new CompactedHFilesDischarger(1000, (Stoppable) null, rss, false);
cleaner.chore();
// This issues scan next
scanner.next(res);
assertEquals("row2", Bytes.toString(CellUtil.cloneRow(res.get(0))));
scanner.close();
}
示例13: runScanner
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
private void runScanner(Table hTable, int expectedSize, Filter filter) throws IOException {
String cf = "f";
Scan scan = new Scan();
scan.addFamily(cf.getBytes());
scan.setFilter(filter);
List<HRegion> regions = TEST_UTIL.getHBaseCluster().getRegions(table.getBytes());
HRegion first = regions.get(0);
first.getScanner(scan);
RegionScanner scanner = first.getScanner(scan);
List<Cell> results = new ArrayList<>();
// Result result;
long timeBeforeScan = System.currentTimeMillis();
int found = 0;
while (scanner.next(results)) {
found += results.size();
results.clear();
}
found += results.size();
long scanTime = System.currentTimeMillis() - timeBeforeScan;
scanner.close();
LOG.info("\nscan time = " + scanTime + "ms");
LOG.info("found " + found + " results\n");
assertEquals(expectedSize, found);
}
示例14: testNoMeasure
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Test
public void testNoMeasure() throws IOException {
CoprocessorRowType rowType = newRowType();
CoprocessorProjector projector = new CoprocessorProjector(mask);
ObserverAggregators aggregators = new ObserverAggregators(new HCol[] {});
CoprocessorFilter filter = CoprocessorFilter.deserialize(null); // a default,
// always-true,
// filter
HashSet<String> expectedResult = new HashSet<String>();
expectedResult.add("\\x02\\x02\\x00\\x00");
expectedResult.add("\\x01\\x01\\x00\\x00");
MockupRegionScanner innerScanner = new MockupRegionScanner(cellsInput);
RegionScanner aggrScanner = new AggregationScanner(rowType, filter, projector, aggregators, innerScanner);
ArrayList<Cell> result = Lists.newArrayList();
boolean hasMore = true;
while (hasMore) {
result.clear();
hasMore = aggrScanner.next(result);
if (result.isEmpty())
continue;
Cell cell = result.get(0);
String rowKey = toString(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(), mask);
assertTrue(expectedResult.contains(rowKey));
}
aggrScanner.close();
}
示例15: close
import org.apache.hadoop.hbase.regionserver.RegionScanner; //导入方法依赖的package包/类
@Override
public void close() throws IOException {
String lastRow = lastCell != null ? CellUtil.getCellKeyAsString(lastCell) : null;
LOG.info(String.format("close split scanner with table [%s], scan [%s] with rowCount=%d, reinitCount=%d, scannerExceptionCount=%d, lastRows=%s",htable.getName().toString(),initialScan,totalScannerCount,reInitCount,scanExceptionCount,lastRow), new RuntimeException());
closed = true;
for (RegionScanner rs : regionScanners) {
rs.close();
}
regionScanners.clear();
currentScanner = null;
}