private static SSTableReader sstable(
File dataFolder, ColumnFamilyStore cfs, int generation, int size) throws IOException {
Descriptor descriptor =
new Descriptor(dataFolder, cfs.keyspace.getName(), cfs.getTableName(), generation);
Set<Component> components =
ImmutableSet.of(Component.DATA, Component.PRIMARY_INDEX, Component.FILTER, Component.TOC);
for (Component component : components) {
File file = new File(descriptor.filenameFor(component));
if (!file.exists()) assertTrue(file.createNewFile());
try (RandomAccessFile raf = new RandomAccessFile(file, "rw")) {
raf.setLength(size);
}
}
SegmentedFile dFile =
new BufferedSegmentedFile(
new ChannelProxy(new File(descriptor.filenameFor(Component.DATA))),
RandomAccessReader.DEFAULT_BUFFER_SIZE,
0);
SegmentedFile iFile =
new BufferedSegmentedFile(
new ChannelProxy(new File(descriptor.filenameFor(Component.PRIMARY_INDEX))),
RandomAccessReader.DEFAULT_BUFFER_SIZE,
0);
SerializationHeader header = SerializationHeader.make(cfs.metadata, Collections.emptyList());
StatsMetadata metadata =
(StatsMetadata)
new MetadataCollector(cfs.metadata.comparator)
.finalizeMetadata(
cfs.metadata.partitioner.getClass().getCanonicalName(), 0.01f, -1, header)
.get(MetadataType.STATS);
SSTableReader reader =
SSTableReader.internalOpen(
descriptor,
components,
cfs.metadata,
dFile,
iFile,
MockSchema.indexSummary.sharedCopy(),
new AlwaysPresentFilter(),
1L,
metadata,
SSTableReader.OpenReason.NORMAL,
header);
reader.first = reader.last = MockSchema.readerBounds(generation);
return reader;
}
