## Uses of Class
org.apache.cassandra.io.sstable.Descriptor

Packages that use Descriptor
org.apache.cassandra.cache
org.apache.cassandra.config
org.apache.cassandra.db
org.apache.cassandra.db.compaction
org.apache.cassandra.io.sstable
org.apache.cassandra.io.sstable.format
org.apache.cassandra.io.sstable.metadata
org.apache.cassandra.io.util
org.apache.cassandra.streaming
org.apache.cassandra.tools

### Uses of Descriptor in org.apache.cassandra.cache

Fields in org.apache.cassandra.cache declared as Descriptor
`Descriptor` KeyCacheKey.`desc`

Constructors in org.apache.cassandra.cache with parameters of type Descriptor
Constructor and Description
`KeyCacheKey(Pair<java.lang.String,java.lang.String> ksAndCFName, Descriptor desc, java.nio.ByteBuffer key)`

### Uses of Descriptor in org.apache.cassandra.config

Methods in org.apache.cassandra.config with parameters of type Descriptor
`CFMetaData` Schema.`getCFMetaData(Descriptor descriptor)`

### Uses of Descriptor in org.apache.cassandra.db

Methods in org.apache.cassandra.db that return Descriptor
`Descriptor` Directories.`find(java.lang.String filename)`

Methods in org.apache.cassandra.db that return types with arguments of type Descriptor
`java.util.Map<Descriptor,java.util.Set<Component>>` Directories.SSTableLister.`list()`

Methods in org.apache.cassandra.db with parameters of type Descriptor
`static java.io.File` Directories.`getBackupsDirectory(Descriptor desc)`
`static java.io.File` Directories.`getSnapshotDirectory(Descriptor desc, java.lang.String snapshotName)`

### Uses of Descriptor in org.apache.cassandra.db.compaction

Method parameters in org.apache.cassandra.db.compaction with type arguments of type Descriptor
`java.util.concurrent.Future<?>` CompactionManager.`submitUserDefined(ColumnFamilyStore cfs, java.util.Collection<Descriptor> dataFiles, int gcBefore)`

### Uses of Descriptor in org.apache.cassandra.io.sstable

Fields in org.apache.cassandra.io.sstable declared as Descriptor
`Descriptor` SSTable.`descriptor`

Methods in org.apache.cassandra.io.sstable that return Descriptor
`Descriptor` Descriptor.`asType(Descriptor.Type type)`
`protected static Descriptor` AbstractSSTableSimpleWriter.`createDescriptor(java.io.File directory, java.lang.String keyspace, java.lang.String columnFamily, SSTableFormat.Type fmt)`
`static Descriptor` Descriptor.`fromFilename(java.lang.String filename)`
`static Descriptor` Descriptor.`fromFilename(java.lang.String filename, boolean skipComponent)`
`static Descriptor` Descriptor.`fromFilename(java.lang.String filename, SSTableFormat.Type formatType)`
`abstract Descriptor` AbstractSSTableSimpleWriter.`getCurrentDescriptor()`
`Descriptor` CQLSSTableWriter.`getCurrentDescriptor()`
`Descriptor` SSTableSimpleUnsortedWriter.`getCurrentDescriptor()` Deprecated.
`Descriptor` SSTableSimpleWriter.`getCurrentDescriptor()` Deprecated.
`Descriptor` Descriptor.`withFormatType(SSTableFormat.Type newType)`
`Descriptor` Descriptor.`withGeneration(int newGeneration)`

Methods in org.apache.cassandra.io.sstable that return types with arguments of type Descriptor
`static Pair<Descriptor,Component>` Component.`fromFilename(java.io.File directory, java.lang.String name)` `Filename of the form "<ksname>/<cfname>-[tmp-][<version>-]<gen>-<component>",`
`static Pair<Descriptor,java.lang.String>` Descriptor.`fromFilename(java.io.File directory, java.lang.String name)`

`static Pair<Descriptor,java.lang.String>`

Descriptor.`fromFilename(java.io.File directory, java.lang.String name, boolean skipComponent)`
Filename of the form is vary by version: <ksname>-<cfname>-(tmp-)?<version>-<gen>-<component> for cassandra 2.0 and before (<tmp marker>-)?<version>-<gen>-<component> for cassandra 3.0 and later If this is for SSTable of secondary index, directory should ends with index name for 2.1+.

`static Pair<Descriptor,Component>` SSTable.`tryComponentFromFilename(java.io.File dir, java.lang.String name)`

Methods in org.apache.cassandra.io.sstable with parameters of type Descriptor
`protected static void` SSTable.`appendTOC(Descriptor descriptor, java.util.Collection<Component> components)` Appends new component names to the TOC component.
`static java.util.Set<Component>` SSTable.`componentsFor(Descriptor desc)` Discovers existing components for the descriptor.
`static boolean` SSTable.`delete(Descriptor desc, java.util.Set<Component> components)` We use a ReferenceQueue to manage deleting files that have been compacted and for which no more SSTable references exist.
`static java.util.Set<Component>` SSTable.`discoverComponentsFor(Descriptor desc)`
`protected static java.util.Set<Component>` SSTable.`readTOC(Descriptor descriptor)` Reads the list of components from the TOC component.

Constructors in org.apache.cassandra.io.sstable with parameters of type Descriptor
Constructor and Description
`KeyIterator(Descriptor desc)`
`SSTable(Descriptor descriptor, CFMetaData metadata, IPartitioner partitioner)`
`SSTable(Descriptor descriptor, java.util.Set<Component> components, CFMetaData metadata, IPartitioner partitioner)`
`SSTableDeletingTask(Descriptor realDescriptor, java.util.Set<Component> components, com.codahale.metrics.Counter totalDiskSpaceUsed, long bytesOnDisk)` realDescriptor is the actual descriptor for the sstable, the descriptor inside referent can be 'faked' as FINAL for early opened files.

### Uses of Descriptor in org.apache.cassandra.io.sstable.format

Methods in org.apache.cassandra.io.sstable.format that return Descriptor
`static Descriptor` SSTableWriter.`rename(Descriptor tmpdesc, java.util.Set<Component> components)`

Methods in org.apache.cassandra.io.sstable.format with parameters of type Descriptor
`static SSTableWriter` SSTableWriter.`create(CFMetaData metadata, Descriptor descriptor, long keyCount, long repairedAt, int sstableLevel, IPartitioner partitioner)`
`static SSTableWriter` SSTableWriter.`create(Descriptor descriptor, long keyCount, long repairedAt)`
`static SSTableWriter` SSTableWriter.`create(Descriptor descriptor, java.lang.Long keyCount, java.lang.Long repairedAt, CFMetaData metadata, IPartitioner partitioner, MetadataCollector metadataCollector)`
`static SSTableWriter` SSTableWriter.`create(Descriptor descriptor, long keyCount, long repairedAt, int sstableLevel)`
`static SSTableReader` SSTableReader.`internalOpen(Descriptor desc, java.util.Set<Component> components, CFMetaData metadata, IPartitioner partitioner, SegmentedFile ifile, SegmentedFile dfile, IndexSummary isummary, IFilter bf, long maxDataAge, StatsMetadata sstableMetadata, SSTableReader.OpenReason openReason)` Open a RowIndexedReader which already has its state initialized (by SSTableWriter).
`static void` SSTableReader.`logOpenException(Descriptor descriptor, java.io.IOException e)`
`static SSTableReader` SSTableReader.`open(Descriptor descriptor)`
`static SSTableReader` SSTableReader.`open(Descriptor desc, CFMetaData metadata)`
`abstract SSTableWriter` SSTableWriter.Factory.`open(Descriptor descriptor, long keyCount, long repairedAt, CFMetaData metadata, IPartitioner partitioner, MetadataCollector metadataCollector)`
`static SSTableReader` SSTableReader.`open(Descriptor descriptor, java.util.Set<Component> components, CFMetaData metadata, IPartitioner partitioner)`
`static SSTableReader` SSTableReader.`open(Descriptor descriptor, java.util.Set<Component> components, CFMetaData metadata, IPartitioner partitioner, boolean validate, boolean trackHotness)`
`abstract SSTableReader` SSTableReader.Factory.`open(Descriptor descriptor, java.util.Set<Component> components, CFMetaData metadata, IPartitioner partitioner, java.lang.Long maxDataAge, StatsMetadata sstableMetadata, SSTableReader.OpenReason openReason)`
`static SSTableReader` SSTableReader.`openForBatch(Descriptor descriptor, java.util.Set<Component> components, CFMetaData metadata, IPartitioner partitioner)` Open SSTable reader to be used in batch mode(such as sstableloader).
`static SSTableReader` SSTableReader.`openNoValidation(Descriptor descriptor, java.util.Set<Component> components, ColumnFamilyStore cfs)`
`static void` SSTableWriter.`rename(Descriptor tmpdesc, Descriptor newdesc, java.util.Set<Component> components)`
`static Descriptor` SSTableWriter.`rename(Descriptor tmpdesc, java.util.Set<Component> components)`
`static void` SSTableReader.`saveSummary(Descriptor descriptor, DecoratedKey first, DecoratedKey last, SegmentedFile.Builder ibuilder, SegmentedFile.Builder dbuilder, IndexSummary summary)` Save index summary to Summary.db file.

Method parameters in org.apache.cassandra.io.sstable.format with type arguments of type Descriptor
`static java.util.Collection<SSTableReader>` SSTableReader.`openAll(java.util.Set<java.util.Map.Entry<Descriptor,java.util.Set<Component>>> entries, CFMetaData metadata, IPartitioner partitioner)`

Constructors in org.apache.cassandra.io.sstable.format with parameters of type Descriptor
Constructor and Description
`SSTableReader(Descriptor desc, java.util.Set<Component> components, CFMetaData metadata, IPartitioner partitioner, long maxDataAge, StatsMetadata sstableMetadata, SSTableReader.OpenReason openReason)`
`SSTableWriter(Descriptor descriptor, long keyCount, long repairedAt, CFMetaData metadata, IPartitioner partitioner, MetadataCollector metadataCollector)`

### Uses of Descriptor in org.apache.cassandra.io.sstable.metadata

Methods in org.apache.cassandra.io.sstable.metadata with parameters of type Descriptor
`java.util.Map<MetadataType,MetadataComponent>` IMetadataSerializer.`deserialize(Descriptor descriptor, java.util.EnumSet<MetadataType> types)` Deserialize specified metadata components from given descriptor.
`java.util.Map<MetadataType,MetadataComponent>` LegacyMetadataSerializer.`deserialize(Descriptor descriptor, java.util.EnumSet<MetadataType> types)` Deprecated. Legacy serializer deserialize all components no matter what types are specified.
`java.util.Map<MetadataType,MetadataComponent>` MetadataSerializer.`deserialize(Descriptor descriptor, java.util.EnumSet<MetadataType> types)`
`java.util.Map<MetadataType,MetadataComponent>` MetadataSerializer.`deserialize(Descriptor descriptor, FileDataInput in, java.util.EnumSet<MetadataType> types)`
`MetadataComponent` IMetadataSerializer.`deserialize(Descriptor descriptor, MetadataType type)` Deserialized only metadata component specified from given descriptor.
`MetadataComponent` MetadataSerializer.`deserialize(Descriptor descriptor, MetadataType type)`
`void` IMetadataSerializer.`mutateLevel(Descriptor descriptor, int newLevel)` Mutate SSTable level
`void` MetadataSerializer.`mutateLevel(Descriptor descriptor, int newLevel)`
`void` IMetadataSerializer.`mutateRepairedAt(Descriptor descriptor, long newRepairedAt)` Mutate repairedAt time
`void` MetadataSerializer.`mutateRepairedAt(Descriptor descriptor, long newRepairedAt)`

### Uses of Descriptor in org.apache.cassandra.io.util

Fields in org.apache.cassandra.io.util declared as Descriptor
`protected Descriptor` SequentialWriter.`descriptor`

Methods in org.apache.cassandra.io.util with parameters of type Descriptor
`static DataIntegrityMetadata.ChecksumValidator` DataIntegrityMetadata.`checksumValidator(Descriptor desc)`
`static DataIntegrityMetadata.FileDigestValidator` DataIntegrityMetadata.`fileDigestValidator(Descriptor desc)`
`static boolean` MmappedSegmentedFile.`maybeRepair(CFMetaData metadata, Descriptor descriptor, IndexSummary indexSummary, SegmentedFile.Builder ibuilder, SegmentedFile.Builder dbuilder)`
`SequentialWriter` SequentialWriter.`setDescriptor(Descriptor descriptor)`
`void` DataIntegrityMetadata.ChecksumWriter.`writeFullChecksum(Descriptor descriptor)`

Constructors in org.apache.cassandra.io.util with parameters of type Descriptor
Constructor and Description
`ChecksumValidator(Descriptor descriptor)`
`FileDigestValidator(Descriptor descriptor)`

### Uses of Descriptor in org.apache.cassandra.streaming

Fields in org.apache.cassandra.streaming declared as Descriptor
`protected Descriptor` StreamReader.`desc`

Methods in org.apache.cassandra.streaming with parameters of type Descriptor
`void` StreamSession.`progress(Descriptor desc, ProgressInfo.Direction direction, long bytes, long total)`

### Uses of Descriptor in org.apache.cassandra.tools

Methods in org.apache.cassandra.tools with parameters of type Descriptor
`static void` SSTableExport.`enumeratekeys(Descriptor desc, java.io.PrintStream outs, CFMetaData metadata)` Enumerate row keys from an SSTableReader and write the result to a PrintStream.
`static void` SSTableExport.`export(Descriptor desc, java.io.PrintStream outs, java.util.Collection<java.lang.String> toExport, java.lang.String[] excludes, CFMetaData metadata)` Export specific rows from an SSTable and write the resulting JSON to a PrintStream.
`static void` SSTableExport.`export(Descriptor desc, java.io.PrintStream outs, java.lang.String[] excludes)` Export an SSTable and write the resulting JSON to a PrintStream.
`static void` SSTableExport.`export(Descriptor desc, java.lang.String[] excludes)` Export an SSTable and write the resulting JSON to standard out.