/// <summary>
/// Enumerates all the hashes with <see cref="ContentLocationEntry"/> from a <paramref name="database"/> for a given <paramref name="currentMachineId"/>.
/// </summary>
public static IEnumerable <(ShortHash hash, long size)> EnumerateSortedHashesWithContentSizeForMachineId(
this ContentLocationDatabase database,
OperationContext context,
MachineId currentMachineId)
{
foreach (var(hash, entry) in EnumerateSortedDatabaseEntriesForMachineId(database, context, currentMachineId))
{
yield return(hash, entry.ContentSize);
}
}
/// <summary>
/// Enumerates all the hashes with <see cref="ContentLocationEntry"/> from a <paramref name="database"/> for a given <paramref name="currentMachineId"/>.
/// </summary>
public static IEnumerable <(ShortHash hash, ContentLocationEntry entry)> EnumerateSortedDatabaseEntriesForMachineId(
this ContentLocationDatabase database,
OperationContext context,
MachineId currentMachineId)
{
foreach (var(key, entry) in database.EnumerateEntriesWithSortedKeys(
context.Token,
rawValue => database.HasMachineId(rawValue, currentMachineId.Index)))
{
yield return(key, entry);
}
}
/// <summary>
/// Performs a compare exchange operation on metadata, while ensuring all invariants are kept. If the
/// fingerprint is not present, then it is inserted.
/// </summary>
/// <returns>
/// Result providing the call's completion status. True if the replacement was completed successfully, false otherwise.
/// </returns>
public static Possible <bool> CompareExchange(
this ContentLocationDatabase database,
OperationContext context,
StrongFingerprint strongFingerprint,
ContentHashListWithDeterminism expected,
ContentHashListWithDeterminism replacement)
{
return(database.TryUpsert(
context,
strongFingerprint,
replacement,
entry => entry.ContentHashListWithDeterminism.Equals(expected)));
}
/// <summary>
/// Enumerates all the hashes with <see cref="ContentLocationEntry"/> from a <paramref name="database"/> for a given <paramref name="currentMachineId"/>.
/// </summary>
private static IEnumerable <(ShortHash hash, ContentLocationEntry entry)> EnumerateSortedDatabaseEntriesForMachineId(
this ContentLocationDatabase database,
OperationContext context,
MachineId currentMachineId,
ShortHash?startingPoint)
{
var filter = new ContentLocationDatabase.EnumerationFilter(
rawValue => database.HasMachineId(rawValue, currentMachineId.Index),
startingPoint);
foreach (var(key, entry) in database.EnumerateEntriesWithSortedKeys(context, filter))
{
yield return(key, entry);
}
}
/// <inheritdoc />
public CheckpointManager(
ContentLocationDatabase database,
ICheckpointRegistry checkpointRegistry,
CentralStorage storage,
CheckpointConfiguration configuration,
CounterCollection <ContentLocationStoreCounters> counters)
{
_database = database;
_checkpointRegistry = checkpointRegistry;
_storage = storage;
_configuration = configuration;
_fileSystem = new PassThroughFileSystem();
_checkpointStagingDirectory = configuration.WorkingDirectory / "staging";
Counters = counters;
}
/// <inheritdoc />
public CheckpointManager(
ContentLocationDatabase database,
ICheckpointRegistry checkpointRegistry,
CentralStorage storage,
CheckpointConfiguration configuration,
CounterCollection <ContentLocationStoreCounters> counters)
{
_database = database;
_checkpointRegistry = checkpointRegistry;
_storage = storage;
_configuration = configuration;
_fileSystem = new PassThroughFileSystem();
_checkpointStagingDirectory = configuration.WorkingDirectory / "staging";
_incrementalCheckpointDirectory = configuration.WorkingDirectory / "incremental";
_lastCheckpointFile = configuration.WorkingDirectory / "lastCheckpoint.txt";
_fileSystem.CreateDirectory(_incrementalCheckpointDirectory);
_incrementalCheckpointInfoFile = _incrementalCheckpointDirectory / "checkpointInfo.txt";
Counters = counters;
}
/// <inheritdoc />
public CheckpointManager(
ContentLocationDatabase database,
ICheckpointRegistry checkpointRegistry,
CentralStorage storage,
CheckpointManagerConfiguration configuration,
CounterCollection <ContentLocationStoreCounters> counters,
ICheckpointObserver checkpointObserver = null)
{
Database = database;
CheckpointRegistry = checkpointRegistry;
Storage = storage;
_configuration = configuration;
_fileSystem = new PassThroughFileSystem();
_checkpointStagingDirectory = configuration.WorkingDirectory / "staging";
_checkpointObserver = checkpointObserver;
Counters = counters;
LinkLifetime(Database);
LinkLifetime(CheckpointRegistry);
LinkLifetime(_checkpointObserver);
LinkLifetime(Storage);
}
public FlushableCache(ContentLocationDatabaseConfiguration configuration, ContentLocationDatabase database)
{
_configuration = configuration;
_database = database;
}
