smiklosovic commented on code in PR #2254:
URL: https://github.com/apache/cassandra/pull/2254#discussion_r1176661551
##########
src/java/org/apache/cassandra/schema/CompressionParams.java:
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@@ -97,128 +109,185 @@
// TODO: deprecated, should now be carefully removed. Doesn't affect
schema code as it isn't included in equals() and hashCode()
private volatile double crcCheckChance = 1.0;
- public static CompressionParams fromMap(Map<String, String> opts)
- {
- Map<String, String> options = copyOptions(opts);
-
- String sstableCompressionClass;
-
- if (!opts.isEmpty() && isEnabled(opts) &&
!containsSstableCompressionClass(opts))
- throw new ConfigurationException(format("Missing sub-option '%s'
for the 'compression' option.", CLASS));
- if (!removeEnabled(options))
- {
- sstableCompressionClass = null;
+ public enum CompressorType
+ {
+ lz4("LZ4Compressor"),
+ none(null),
+ noop("NoopCompressor"),
+ snappy("SnappyCompressor"),
+ deflate("DeflateCompressor"),
+ zstd("ZstdCompressor");
- if (!options.isEmpty())
- throw new ConfigurationException(format("If the '%s' option is
set to false no other options must be specified", ENABLED));
- }
- else
- {
- sstableCompressionClass = removeSstableCompressionClass(options);
+ String className;
+ CompressorType(String className) {
+ this.className = className;
}
- int chunkLength = removeChunkLength(options);
- double minCompressRatio = removeMinCompressRatio(options);
-
- CompressionParams cp = new CompressionParams(sstableCompressionClass,
options, chunkLength, minCompressRatio);
- cp.validate();
-
- return cp;
+ static CompressorType forClass(String name) {
+ for (CompressorType type : CompressorType.values()) {
Review Comment:
We could quickly return null if `name` is null so we are not looping
unnecessarily.
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