jacek-lewandowski commented on code in PR #2064:
URL: https://github.com/apache/cassandra/pull/2064#discussion_r1090298510
##########
src/java/org/apache/cassandra/io/sstable/Component.java:
##########
@@ -35,43 +41,49 @@
{
public static final char separator = '-';
- final static EnumSet<Type> TYPES = EnumSet.allOf(Type.class);
+ final static ImmutableSet<Type> TYPES = Type.all;
/**
* WARNING: Be careful while changing the names or string representation
of the enum
* members. Streaming code depends on the names during streaming (Ref:
CASSANDRA-14556).
*/
- public enum Type
+ public static class Type
{
+ private final static List<Type> singletonsCollector = new
ArrayList<>(11);
// the base data for an sstable: the remaining components can be
regenerated
// based on the data component
- DATA("Data.db"),
- // index of the row keys with pointers to their positions in the data
file
- PRIMARY_INDEX("Index.db"),
- // serialized bloom filter for the row keys in the sstable
- FILTER("Filter.db"),
+ public static final Type DATA = new Type("DATA", "Data.db", name ->
Component.DATA);
// file to hold information about uncompressed data length, chunk
offsets etc.
- COMPRESSION_INFO("CompressionInfo.db"),
+ public static final Type COMPRESSION_INFO = new
Type("COMPRESSION_INFO", "CompressionInfo.db", name ->
Component.COMPRESSION_INFO);
// statistical metadata about the content of the sstable
- STATS("Statistics.db"),
+ public static final Type STATS = new Type("STATS", "Statistics.db",
name -> Component.STATS);
+ // serialized bloom filter for the row keys in the sstable
+ public static final Type FILTER = new Type("FILTER", "Filter.db", name
-> Component.FILTER);
// holds CRC32 checksum of the data file
- DIGEST("Digest.crc32"),
+ public static final Type DIGEST = new Type("DIGEST","Digest.crc32",
name -> Component.DIGEST);
// holds the CRC32 for chunks in an a uncompressed file.
- CRC("CRC.db"),
- // holds SSTable Index Summary (sampling of Index component)
- SUMMARY("Summary.db"),
+ public static final Type CRC = new Type("CRC","CRC.db", name ->
Component.CRC);
// table of contents, stores the list of all components for the sstable
- TOC("TOC.txt"),
+ public static final Type TOC = new Type("TOC","TOC.txt", name ->
Component.TOC);
// built-in secondary index (may be multiple per sstable)
- SECONDARY_INDEX("SI_.*.db"),
+ public static final Type SECONDARY_INDEX = new
Type("SECONDARY_INDEX","SI_.*.db", name -> new Component(Type.SECONDARY_INDEX,
name));
// custom component, used by e.g. custom compaction strategy
- CUSTOM(null);
+ public static final Type CUSTOM = new Type("CUSTOM",null, name -> new
Component(Type.CUSTOM, name));
- final String repr;
+ public static final ImmutableSet<Type> all =
ImmutableSet.copyOf(singletonsCollector);
Review Comment:
https://github.com/apache/cassandra/pull/2064/commits/5689be8c3a242074a29663be46a06c820020416a
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