Uses of Class
mondrian.spi.SegmentHeader

Packages that use SegmentHeader

Package	Description
mondrian.rolap.agg	Manages a cache of aggregates containing cell values.
mondrian.rolap.cache	Provides primitives for policy-based caching.
mondrian.spi	Contains the server-provider interfaces (SPIs) which user-defined extensions to Mondrian should implement.

Uses of SegmentHeader in mondrian.rolap.agg

Methods in mondrian.rolap.agg that return SegmentHeader

Modifier and Type	Method and Description
SegmentHeader	Segment.getHeader()
static SegmentHeader	SegmentBuilder.toHeader(Segment segment) Creates a SegmentHeader object describing the supplied Segment object.

Methods in mondrian.rolap.agg that return types with arguments of type SegmentHeader

Modifier and Type	Method and Description
List<SegmentHeader>	SegmentCacheWorker.getSegmentHeaders() Returns a list of segments present in the cache.
static Pair<SegmentHeader,SegmentBody>	SegmentBuilder.rollup(Map<SegmentHeader,SegmentBody> map, Set<String> keepColumns, BitKey targetBitkey, Aggregator rollupAggregator, Dialect.Datatype datatype) Given a collection of segments, all of the same dimensionality, rolls up to create a segment with reduced dimensionality.

Methods in mondrian.rolap.agg with parameters of type SegmentHeader

Modifier and Type	Method and Description
SegmentWithData	SegmentBuilder.SegmentConverter.convert(SegmentHeader header, SegmentBody body)
SegmentWithData	SegmentBuilder.SegmentConverterImpl.convert(SegmentHeader header, SegmentBody body)
SegmentWithData	SegmentBuilder.StarSegmentConverter.convert(SegmentHeader header, SegmentBody body)
void	SegmentCacheManager.externalSegmentCreated(SegmentHeader header, MondrianServer server) Tells the cache that a segment is newly available in an external cache.
void	SegmentCacheManager.externalSegmentDeleted(SegmentHeader header, MondrianServer server) Tells the cache that a segment is no longer available in an external cache.
SegmentBody	SegmentCacheWorker.get(SegmentHeader header) Returns a segment body corresponding to a header.
SegmentBuilder.SegmentConverter	SegmentCacheManager.getConverter(RolapStar star, SegmentHeader header)
static boolean	SegmentBuilder.isSubset(SegmentHeader header, Segment segment) Tells if the passed segment is a subset of this segment and could be used for a rollup in cache operation.
void	SegmentCacheManager.loadFailed(RolapStar star, SegmentHeader header, Throwable throwable) Informs cache manager that a segment load failed.
void	SegmentCacheManager.loadSucceeded(RolapStar star, SegmentHeader header, SegmentBody body) Adds a segment to segment index.
void	SegmentCacheWorker.put(SegmentHeader header, SegmentBody body) Places a segment in the cache.
void	SegmentCacheManager.remove(RolapStar star, SegmentHeader header) Removes a segment from segment index.
boolean	SegmentCacheWorker.remove(SegmentHeader header) Removes a segment from the cache.
static Segment	SegmentBuilder.toSegment(SegmentHeader header, RolapStar star, BitKey constrainedColumnsBitKey, RolapStar.Column[] constrainedColumns, RolapStar.Measure measure, List<StarPredicate> compoundPredicates) Creates a segment from a SegmentHeader.

Method parameters in mondrian.rolap.agg with type arguments of type SegmentHeader

Modifier and Type	Method and Description
static Pair<SegmentHeader,SegmentBody>	SegmentBuilder.rollup(Map<SegmentHeader,SegmentBody> map, Set<String> keepColumns, BitKey targetBitkey, Aggregator rollupAggregator, Dialect.Datatype datatype) Given a collection of segments, all of the same dimensionality, rolls up to create a segment with reduced dimensionality.

Uses of SegmentHeader in mondrian.rolap.cache

Methods in mondrian.rolap.cache that return types with arguments of type SegmentHeader

Modifier and Type	Method and Description
List<List<SegmentHeader>>	SegmentCacheIndexImpl.findRollupCandidates(String schemaName, ByteString schemaChecksum, String cubeName, String measureName, String rolapStarFactTableName, BitKey constrainedColsBitKey, Map<String,Comparable> coordinates, List<String> compoundPredicates)
List<List<SegmentHeader>>	SegmentCacheIndex.findRollupCandidates(String schemaName, ByteString schemaChecksum, String cubeName, String measureName, String rolapStarFactTableName, BitKey constrainedColsBitKey, Map<String,Comparable> coordinates, List<String> compoundPredicates) Returns a list of segments that can be rolled up to satisfy a given cell request.
List<SegmentHeader>	MemorySegmentCache.getSegmentHeaders()
List<SegmentHeader>	SegmentCacheIndexImpl.intersectRegion(String schemaName, ByteString schemaChecksum, String cubeName, String measureName, String rolapStarFactTableName, SegmentColumn[] region)
List<SegmentHeader>	SegmentCacheIndex.intersectRegion(String schemaName, ByteString schemaChecksum, String cubeName, String measureName, String rolapStarFactTableName, SegmentColumn[] region) Finds a list of headers that intersect a given region.
List<SegmentHeader>	SegmentCacheIndexImpl.locate(String schemaName, ByteString schemaChecksum, String cubeName, String measureName, String rolapStarFactTableName, BitKey constrainedColsBitKey, Map<String,Comparable> coordinates, List<String> compoundPredicates)
List<SegmentHeader>	SegmentCacheIndex.locate(String schemaName, ByteString schemaChecksum, String cubeName, String measureName, String rolapStarFactTableName, BitKey constrainedColsBitKey, Map<String,Comparable> coordinates, List<String> compoundPredicates) Identifies the segment headers that contain a given cell.

Methods in mondrian.rolap.cache with parameters of type SegmentHeader

Modifier and Type	Method and Description
void	SegmentCacheIndexImpl.add(SegmentHeader header, SegmentBuilder.SegmentConverter converter, boolean loading)
void	SegmentCacheIndex.add(SegmentHeader header, SegmentBuilder.SegmentConverter converter, boolean loading) Adds a header to the index.
boolean	SegmentCacheIndexImpl.contains(SegmentHeader header)
boolean	SegmentCacheIndex.contains(SegmentHeader header) Tells whether or not a given segment is known to this index.
boolean	MemorySegmentCache.contains(SegmentHeader header)
SegmentBody	MemorySegmentCache.get(SegmentHeader header)
Future<SegmentBody>	SegmentCacheIndexImpl.getFuture(Execution exec, SegmentHeader header)
Future<SegmentBody>	SegmentCacheIndex.getFuture(Execution exec, SegmentHeader header) Returns a future slot for a segment body, if a segment is currently loading, otherwise null.
void	SegmentCacheIndexImpl.linkSqlStatement(SegmentHeader header, Statement stmt)
void	SegmentCacheIndex.linkSqlStatement(SegmentHeader header, Statement stmt) Allows to link a Statement to a segment.
void	SegmentCacheIndexImpl.loadFailed(SegmentHeader header, Throwable throwable)
void	SegmentCacheIndex.loadFailed(SegmentHeader header, Throwable throwable) Notifies the segment index that a segment failed to load, and removes the segment from the index.
void	SegmentCacheIndexImpl.loadSucceeded(SegmentHeader header, SegmentBody body)
void	SegmentCacheIndex.loadSucceeded(SegmentHeader header, SegmentBody body) Changes the state of a header from loading to loaded.
static List	SegmentCacheIndexImpl.makeConverterKey(SegmentHeader header)
static boolean	SegmentCacheIndexImpl.matches(SegmentHeader header, Map<String,Comparable> coords, List<String> compoundPredicates)
boolean	MemorySegmentCache.put(SegmentHeader header, SegmentBody body)
void	SegmentCacheIndexImpl.remove(SegmentHeader header)
void	SegmentCacheIndex.remove(SegmentHeader header) Removes a header from the index.
boolean	MemorySegmentCache.remove(SegmentHeader header)
void	SegmentCacheIndexImpl.update(SegmentHeader oldHeader, SegmentHeader newHeader)
void	SegmentCacheIndex.update(SegmentHeader oldHeader, SegmentHeader newHeader) Updates a header in the index.

Uses of SegmentHeader in mondrian.spi

Methods in mondrian.spi that return SegmentHeader

Modifier and Type	Method and Description
SegmentHeader	SegmentHeader.clone(SegmentColumn[] overrideValues) Creates a clone of this header by replacing some of the constrained columns in the process.
SegmentHeader	SegmentHeader.constrain(SegmentColumn[] region) Applies a set of exclusions to this segment header and returns a new segment header representing the original one to which a region has been excluded.
SegmentHeader	SegmentCache.SegmentCacheListener.SegmentCacheEvent.getSource() Returns the segment header at the source of the event.

Methods in mondrian.spi that return types with arguments of type SegmentHeader

Modifier and Type	Method and Description
List<SegmentHeader>	SegmentCache.getSegmentHeaders() Returns a list of all segments present in the cache.

Methods in mondrian.spi with parameters of type SegmentHeader

Modifier and Type	Method and Description
SegmentBody	SegmentCache.get(SegmentHeader header) Returns a SegmentBody once the cache has returned any results, or null if no segment corresponding to the header could be found.
boolean	SegmentCache.put(SegmentHeader header, SegmentBody body) Stores a segment data in the cache.
boolean	SegmentCache.remove(SegmentHeader header) Removes a segment from the cache.