/**
* @param gcBefore
* @return
*/
private List<SSTableReader> getNextBackgroundSSTables(final int gcBefore) {
if (!isEnabled() || cfs.getSSTables().isEmpty()) return Collections.emptyList();
Set<SSTableReader> uncompacting = Sets.intersection(sstables, cfs.getUncompactingSSTables());
// Find fully expired SSTables. Those will be included no matter what.
Set<SSTableReader> expired =
CompactionController.getFullyExpiredSSTables(
cfs, uncompacting, cfs.getOverlappingSSTables(uncompacting), gcBefore);
Set<SSTableReader> candidates = Sets.newHashSet(filterSuspectSSTables(uncompacting));
List<SSTableReader> compactionCandidates =
new ArrayList<>(getNextNonExpiredSSTables(Sets.difference(candidates, expired), gcBefore));
if (!expired.isEmpty()) {
logger.debug("Including expired sstables: {}", expired);
compactionCandidates.addAll(expired);
}
return compactionCandidates;
}
public void lookupOperatorOverloads(
final SqlIdentifier opName,
SqlFunctionCategory category,
SqlSyntax syntax,
List<SqlOperator> operatorList) {
if (syntax != SqlSyntax.FUNCTION) {
return;
}
final Collection<Function> functions = getFunctionsFrom(opName.names);
if (functions.isEmpty()) {
return;
}
operatorList.addAll(
Collections2.transform(
functions,
new com.google.common.base.Function<Function, SqlOperator>() {
public SqlOperator apply(Function function) {
return toOp(opName, function);
}
}));
}
private Collection<Function> getFunctionsFrom(List<String> names) {
final List<Function> functions2 = Lists.newArrayList();
final List<? extends List<String>> schemaNameList;
if (names.size() > 1) {
// If name is qualified, ignore path.
schemaNameList = ImmutableList.of(ImmutableList.<String>of());
} else {
OptiqSchema schema = getSchema(defaultSchema);
if (schema == null) {
schemaNameList = ImmutableList.of();
} else {
schemaNameList = schema.getPath();
}
}
for (List<String> schemaNames : schemaNameList) {
OptiqSchema schema = getSchema(Iterables.concat(schemaNames, Util.skipLast(names)));
if (schema != null) {
final String name = Util.last(names);
functions2.addAll(schema.getFunctions(name, true));
}
}
return functions2;
}
/**
* Retrieve all the info about the requested package types. This is used for the package types
* that have one or more instances, each with different versions. The resulting array is sorted
* according to the PkgInfo's sort order.
*
* <p>To force the LocalSdk parser to load <b>everything</b>, simply call this method with the
* {@link PkgType#PKG_ALL} argument to load all the known package types.
*
* <p>Note: you can use this with {@link PkgType#PKG_TOOLS}, {@link PkgType#PKG_PLATFORM_TOOLS}
* and {@link PkgType#PKG_DOC} but since there can only be one package of these types, it is more
* efficient to use {@link #getPkgInfo(PkgType)} to query them.
*
* @param filters One or more of {@link PkgType#PKG_ADDON}, {@link PkgType#PKG_PLATFORM}, {@link
* PkgType#PKG_BUILD_TOOLS}, {@link PkgType#PKG_EXTRA}, {@link PkgType#PKG_SOURCE}, {@link
* PkgType#PKG_SYS_IMAGE}
* @return A list (possibly empty) of matching installed packages. Never returns null.
*/
@NonNull
public LocalPkgInfo[] getPkgsInfos(@NonNull EnumSet<PkgType> filters) {
List<LocalPkgInfo> list = Lists.newArrayList();
for (PkgType filter : filters) {
if (filter == PkgType.PKG_TOOLS
|| filter == PkgType.PKG_PLATFORM_TOOLS
|| filter == PkgType.PKG_DOC
|| filter == PkgType.PKG_NDK) {
LocalPkgInfo info = getPkgInfo(filter);
if (info != null) {
list.add(info);
}
} else {
synchronized (mLocalPackages) {
Collection<LocalPkgInfo> existing = mLocalPackages.get(filter);
assert existing != null; // Multimap returns an empty set if not found
if (!existing.isEmpty()) {
list.addAll(existing);
continue;
}
File subDir = new File(mSdkRoot, filter.getFolderName());
if (!mVisitedDirs.containsEntry(filter, new LocalDirInfo.MapComparator(subDir))) {
switch (filter) {
case PKG_BUILD_TOOLS:
scanBuildTools(subDir, existing);
break;
case PKG_PLATFORM:
scanPlatforms(subDir, existing);
break;
case PKG_SYS_IMAGE:
scanSysImages(subDir, existing, false);
break;
case PKG_ADDON_SYS_IMAGE:
scanSysImages(subDir, existing, true);
break;
case PKG_ADDON:
scanAddons(subDir, existing);
break;
case PKG_SAMPLE:
scanSamples(subDir, existing);
break;
case PKG_SOURCE:
scanSources(subDir, existing);
break;
case PKG_EXTRA:
scanExtras(subDir, existing);
break;
case PKG_TOOLS:
case PKG_PLATFORM_TOOLS:
case PKG_DOC:
case PKG_NDK:
break;
default:
throw new IllegalArgumentException("Unsupported pkg type " + filter.toString());
}
mVisitedDirs.put(filter, new LocalDirInfo(mFileOp, subDir));
list.addAll(existing);
}
}
}
}
Collections.sort(list);
return list.toArray(new LocalPkgInfo[list.size()]);
}