本文整理汇总了Java中org.apache.cassandra.db.filter.ExtendedFilter类的典型用法代码示例。如果您正苦于以下问题：Java ExtendedFilter类的具体用法？Java ExtendedFilter怎么用？Java ExtendedFilter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。
ExtendedFilter类属于org.apache.cassandra.db.filter包，在下文中一共展示了ExtendedFilter类的20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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: makeExtendedFilter
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
public ExtendedFilter makeExtendedFilter(AbstractBounds<RowPosition> range,
IDiskAtomFilter columnFilter,
List<IndexExpression> rowFilter,
int maxResults,
boolean countCQL3Rows,
boolean isPaging,
long timestamp)
{
DataRange dataRange;
if (isPaging)
{
assert columnFilter instanceof SliceQueryFilter;
SliceQueryFilter sfilter = (SliceQueryFilter)columnFilter;
assert sfilter.slices.length == 1;
// create a new SliceQueryFilter that selects all cells, but pass the original slice start and finish
// through to DataRange.Paging to be used on the first and last partitions
SliceQueryFilter newFilter = new SliceQueryFilter(ColumnSlice.ALL_COLUMNS_ARRAY, sfilter.isReversed(), sfilter.count);
dataRange = new DataRange.Paging(range, newFilter, sfilter.start(), sfilter.finish(), metadata.comparator);
}
else
{
dataRange = new DataRange(range, columnFilter);
}
return ExtendedFilter.create(this, dataRange, rowFilter, maxResults, countCQL3Rows, timestamp);
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:26，代码来源:ColumnFamilyStore.java
示例2: makePrefix
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
private Composite makePrefix(CompositesIndex index, ByteBuffer key, ExtendedFilter filter, boolean isStart)
{
if (key.remaining() == 0)
return Composites.EMPTY;
Composite prefix;
IDiskAtomFilter columnFilter = filter.columnFilter(key);
if (columnFilter instanceof SliceQueryFilter)
{
SliceQueryFilter sqf = (SliceQueryFilter)columnFilter;
Composite columnName = isStart ? sqf.start() : sqf.finish();
prefix = columnName.isEmpty() ? index.getIndexComparator().make(key) : index.makeIndexColumnPrefix(key, columnName);
}
else
{
prefix = index.getIndexComparator().make(key);
}
return isStart ? prefix.start() : prefix.end();
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:20，代码来源:CompositesSearcher.java
示例3: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
/**
* Performs a search across a number of column indexes
*
* @param filter the column range to restrict to
* @return found indexed rows
*/
public List<Row> search(ExtendedFilter filter)
{
List<SecondaryIndexSearcher> indexSearchers = getIndexSearchersForQuery(filter.getClause());
if (indexSearchers.isEmpty())
return Collections.emptyList();
SecondaryIndexSearcher mostSelective = null;
long bestEstimate = Long.MAX_VALUE;
for (SecondaryIndexSearcher searcher : indexSearchers)
{
SecondaryIndex highestSelectivityIndex = searcher.highestSelectivityIndex(filter.getClause());
long estimate = highestSelectivityIndex.estimateResultRows();
if (estimate <= bestEstimate)
{
bestEstimate = estimate;
mostSelective = searcher;
}
}
return mostSelective.search(filter);
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:29，代码来源:SecondaryIndexManager.java
示例4: createSecondaryIndexSearcher
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
@Override
protected SecondaryIndexSearcher createSecondaryIndexSearcher(Set<ByteBuffer> columns)
{
return new SecondaryIndexSearcher(baseCfs.indexManager, columns)
{
@Override
public List<Row> search(ExtendedFilter filter)
{
return Arrays.asList(new Row(LAST_INDEXED_KEY, LAST_INDEXED_ROW));
}
@Override
public void validate(IndexExpression indexExpression) throws InvalidRequestException
{
if (indexExpression.value.equals(ByteBufferUtil.bytes("invalid")))
throw new InvalidRequestException("Invalid search!");
}
};
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:22，代码来源:PerRowSecondaryIndexTest.java
示例5: getRow
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
private Row getRow(DecoratedKey key, ExtendedFilter filter)
{
try
{
ColumnFamilyStore store = backend.getBaseCfs();
ReadCommand cmd = ReadCommand.create(store.metadata.ksName,
key.key,
store.metadata.cfName,
System.currentTimeMillis(),
filter.columnFilter(key.key));
return cmd.getRow(store.keyspace);
}
finally
{
controller.checkpoint();
}
}
开发者ID:xedin，项目名称:sasi，代码行数:19，代码来源:QueryPlan.java
示例6: getIndexed
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
private static List<Row> getIndexed(ColumnFamilyStore store, IDiskAtomFilter columnFilter, DecoratedKey startKey, int maxResults, IndexExpression... expressions)
{
IPartitioner p = StorageService.getPartitioner();
AbstractBounds<RowPosition> bounds;
if (startKey == null)
{
bounds = new Range<>(p.getMinimumToken(), p.getMinimumToken()).toRowBounds();
}
else
{
bounds = new Bounds<>(startKey, p.getMinimumToken().maxKeyBound(p));
}
return store.indexManager.search(ExtendedFilter.create(store,
new DataRange(bounds, columnFilter),
Arrays.asList(expressions),
maxResults,
false,
System.currentTimeMillis()));
}
开发者ID:xedin，项目名称:sasi，代码行数:22，代码来源:SSTableAttachedSecondaryIndexTest.java
示例7: makeExtendedFilter
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
public ExtendedFilter makeExtendedFilter(AbstractBounds<RowPosition> range,
IDiskAtomFilter columnFilter,
List<IndexExpression> rowFilter,
int maxResults,
boolean countCQL3Rows,
boolean isPaging,
long timestamp)
{
DataRange dataRange;
if (isPaging)
{
assert columnFilter instanceof SliceQueryFilter;
SliceQueryFilter sfilter = (SliceQueryFilter)columnFilter;
assert sfilter.slices.length == 1;
SliceQueryFilter newFilter = new SliceQueryFilter(ColumnSlice.ALL_COLUMNS_ARRAY, sfilter.isReversed(), sfilter.count);
dataRange = new DataRange.Paging(range, newFilter, sfilter.start(), sfilter.finish(), metadata.comparator);
}
else
{
dataRange = new DataRange(range, columnFilter);
}
return ExtendedFilter.create(this, dataRange, rowFilter, maxResults, countCQL3Rows, timestamp);
}
开发者ID:daidong，项目名称:GraphTrek，代码行数:24，代码来源:ColumnFamilyStore.java
示例8: makePrefix
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
private Composite makePrefix(CompositesIndex index, ByteBuffer key, ExtendedFilter filter, boolean isStart)
{
if (key.remaining() == 0)
return Composites.EMPTY;
Composite prefix;
IDiskAtomFilter columnFilter = filter.columnFilter(key);
if (columnFilter instanceof SliceQueryFilter)
{
SliceQueryFilter sqf = (SliceQueryFilter)columnFilter;
prefix = index.makeIndexColumnPrefix(key, isStart ? sqf.start() : sqf.finish());
}
else
{
prefix = index.getIndexComparator().make(key);
}
return isStart ? prefix.start() : prefix.end();
}
开发者ID:mafernandez-stratio，项目名称:cassandra-cqlMod，代码行数:19，代码来源:CompositesSearcher.java
示例9: executeLocally
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
public List<Row> executeLocally()
{
ColumnFamilyStore cfs = Keyspace.open(keyspace).getColumnFamilyStore(columnFamily);
ExtendedFilter exFilter = cfs.makeExtendedFilter(keyRange, predicate, rowFilter, maxResults, countCQL3Rows, isPaging, timestamp);
if (cfs.indexManager.hasIndexFor(rowFilter))
return cfs.search(exFilter);
else
return cfs.getRangeSlice(exFilter);
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:11，代码来源:RangeSliceCommand.java
示例10: getRangeSlice
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
public List<Row> getRangeSlice(ExtendedFilter filter)
{
long start = System.nanoTime();
try (OpOrder.Group op = readOrdering.start())
{
return filter(getSequentialIterator(filter.dataRange, filter.timestamp), filter);
}
finally
{
metric.rangeLatency.addNano(System.nanoTime() - start);
}
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:13，代码来源:ColumnFamilyStore.java
示例11: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
@Override
public List<Row> search(ExtendedFilter filter)
{
assert filter.getClause() != null && !filter.getClause().isEmpty();
final IndexExpression primary = highestSelectivityPredicate(filter.getClause());
final CompositesIndex index = (CompositesIndex)indexManager.getIndexForColumn(primary.column);
// TODO: this should perhaps not open and maintain a writeOp for the full duration, but instead only *try* to delete stale entries, without blocking if there's no room
// as it stands, we open a writeOp and keep it open for the duration to ensure that should this CF get flushed to make room we don't block the reclamation of any room being made
try (OpOrder.Group writeOp = baseCfs.keyspace.writeOrder.start(); OpOrder.Group baseOp = baseCfs.readOrdering.start(); OpOrder.Group indexOp = index.getIndexCfs().readOrdering.start())
{
return baseCfs.filter(getIndexedIterator(writeOp, filter, primary, index), filter);
}
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:14，代码来源:CompositesSearcher.java
示例12: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
@Override
public List<Row> search(ExtendedFilter filter)
{
assert filter.getClause() != null && !filter.getClause().isEmpty();
final IndexExpression primary = highestSelectivityPredicate(filter.getClause());
final SecondaryIndex index = indexManager.getIndexForColumn(primary.column);
// TODO: this should perhaps not open and maintain a writeOp for the full duration, but instead only *try* to delete stale entries, without blocking if there's no room
// as it stands, we open a writeOp and keep it open for the duration to ensure that should this CF get flushed to make room we don't block the reclamation of any room being made
try (OpOrder.Group writeOp = baseCfs.keyspace.writeOrder.start(); OpOrder.Group baseOp = baseCfs.readOrdering.start(); OpOrder.Group indexOp = index.getIndexCfs().readOrdering.start())
{
return baseCfs.filter(getIndexedIterator(writeOp, filter, primary, index), filter);
}
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:14，代码来源:KeysSearcher.java
示例13: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
/**
* Performs a search across a number of column indexes
* TODO: add support for querying across index types
*
* @param filter the column range to restrict to
* @return found indexed rows
*/
public List<Row> search(ExtendedFilter filter)
{
List<SecondaryIndexSearcher> indexSearchers = getIndexSearchersForQuery(filter.getClause());
if (indexSearchers.isEmpty())
return Collections.emptyList();
//We currently don't support searching across multiple index types
if (indexSearchers.size() > 1)
throw new RuntimeException("Unable to search across multiple secondary index types");
return indexSearchers.get(0).search(filter);
}
开发者ID:pgaref，项目名称:ACaZoo，代码行数:21，代码来源:SecondaryIndexManager.java
示例14: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
public List<Row> search(ExtendedFilter filter)
{
metrics.markRequest();
long startTime = System.nanoTime();
try
{
return filter != null && !filter.getClause().isEmpty()
? new QueryPlan(SSTableAttachedSecondaryIndex.this, filter, DatabaseDescriptor.getRangeRpcTimeout()).execute()
: Collections.<Row>emptyList();
}
catch (Exception e)
{
metrics.markFailure();
if (e instanceof TimeQuotaExceededException)
metrics.markTimeout();
else
logger.warn("error occurred while searching SASI indexes; ignoring", e);
return Collections.emptyList();
}
finally
{
metrics.updateLatency(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
}
}
开发者ID:xedin，项目名称:sasi，代码行数:29，代码来源:SSTableAttachedSecondaryIndex.java
示例15: QueryController
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
public QueryController(SSTableAttachedSecondaryIndex backend, ExtendedFilter filter, long timeQuotaMs)
{
this.backend = backend;
this.executionQuota = TimeUnit.MILLISECONDS.toNanos(timeQuotaMs);
this.executionStart = System.nanoTime();
this.scope = getSSTableScope(backend.getBaseCfs(), filter);
}
开发者ID:xedin，项目名称:sasi，代码行数:8，代码来源:QueryController.java
示例16: beforeTest
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
@Before
public void beforeTest()
{
ExtendedFilter filter = ExtendedFilter.create(BACKEND.getBaseCfs(),
DataRange.allData(new Murmur3Partitioner()),
null,
Integer.MAX_VALUE,
false,
System.currentTimeMillis());
controller = new QueryController(BACKEND, filter, TimeUnit.SECONDS.toMillis(10));
}
开发者ID:xedin，项目名称:sasi，代码行数:13，代码来源:OperationTest.java
示例17: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
@Override
public List<Row> search(ExtendedFilter filter)
{
assert filter.getClause() != null && !filter.getClause().isEmpty();
final IndexExpression primary = highestSelectivityPredicate(filter.getClause(), true);
final CompositesIndex index = (CompositesIndex)indexManager.getIndexForColumn(primary.column);
// TODO: this should perhaps not open and maintain a writeOp for the full duration, but instead only *try* to delete stale entries, without blocking if there's no room
// as it stands, we open a writeOp and keep it open for the duration to ensure that should this CF get flushed to make room we don't block the reclamation of any room being made
try (OpOrder.Group writeOp = baseCfs.keyspace.writeOrder.start(); OpOrder.Group baseOp = baseCfs.readOrdering.start(); OpOrder.Group indexOp = index.getIndexCfs().readOrdering.start())
{
return baseCfs.filter(getIndexedIterator(writeOp, filter, primary, index), filter);
}
}
开发者ID:Stratio，项目名称:stratio-cassandra，代码行数:14，代码来源:CompositesSearcher.java
示例18: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
/**
* Performs a search across a number of column indexes
*
* @param filter the column range to restrict to
* @return found indexed rows
*/
public List<Row> search(ExtendedFilter filter)
{
SecondaryIndexSearcher mostSelective = getHighestSelectivityIndexSearcher(filter.getClause());
if (mostSelective == null)
return Collections.emptyList();
else
return mostSelective.search(filter);
}
开发者ID:Stratio，项目名称:stratio-cassandra，代码行数:15，代码来源:SecondaryIndexManager.java
示例19: search
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
@Override
public List<Row> search(ExtendedFilter filter)
{
assert filter.getClause() != null && !filter.getClause().isEmpty();
final IndexExpression primary = highestSelectivityPredicate(filter.getClause(), true);
final SecondaryIndex index = indexManager.getIndexForColumn(primary.column);
// TODO: this should perhaps not open and maintain a writeOp for the full duration, but instead only *try* to delete stale entries, without blocking if there's no room
// as it stands, we open a writeOp and keep it open for the duration to ensure that should this CF get flushed to make room we don't block the reclamation of any room being made
try (OpOrder.Group writeOp = baseCfs.keyspace.writeOrder.start(); OpOrder.Group baseOp = baseCfs.readOrdering.start(); OpOrder.Group indexOp = index.getIndexCfs().readOrdering.start())
{
return baseCfs.filter(getIndexedIterator(writeOp, filter, primary, index), filter);
}
}
开发者ID:Stratio，项目名称:stratio-cassandra，代码行数:14，代码来源:KeysSearcher.java
示例20: executeLocally
import org.apache.cassandra.db.filter.ExtendedFilter; //导入依赖的package包/类
public List<Row> executeLocally()
{
logger.info(">>> STRATIO >>> RangeSliceCommand.executeLocally()");
ColumnFamilyStore cfs = Keyspace.open(keyspace).getColumnFamilyStore(columnFamily);
ExtendedFilter exFilter = cfs.makeExtendedFilter(keyRange, predicate, rowFilter, maxResults, countCQL3Rows, isPaging, timestamp);
if (cfs.indexManager.hasIndexFor(rowFilter))
return cfs.search(exFilter);
else
return cfs.getRangeSlice(exFilter);
}
开发者ID:mafernandez-stratio，项目名称:cassandra-cqlMod，代码行数:14，代码来源:RangeSliceCommand.java
注：本文中的org.apache.cassandra.db.filter.ExtendedFilter类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
客服电话
APP下载
官方微信
请发表评论