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package filer
import (
"context"
"errors"
"github.com/chrislusf/seaweedfs/weed/util"
)
var (
ErrUnsupportedListDirectoryPrefixed = errors.New("unsupported directory prefix listing")
ErrUnsupportedSuperLargeDirectoryListing = errors.New("unsupported super large directory listing")
ErrKvNotImplemented = errors.New("kv not implemented yet")
ErrKvNotFound = errors.New("kv: not found")
)
type FilerStore interface {
// GetName gets the name to locate the configuration in filer.toml file
GetName() string
// Initialize initializes the file store
Initialize(configuration util.Configuration, prefix string) error
InsertEntry(context.Context, *Entry) error
UpdateEntry(context.Context, *Entry) (err error)
// err == filer_pb.ErrNotFound if not found
FindEntry(context.Context, util.FullPath) (entry *Entry, err error)
DeleteEntry(context.Context, util.FullPath) (err error)
DeleteFolderChildren(context.Context, util.FullPath) (err error)
ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int) ([]*Entry, error)
ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int, prefix string) ([]*Entry, error)
BeginTransaction(ctx context.Context) (context.Context, error)
CommitTransaction(ctx context.Context) error
RollbackTransaction(ctx context.Context) error
KvPut(ctx context.Context, key []byte, value []byte) (err error)
KvGet(ctx context.Context, key []byte) (value []byte, err error)
KvDelete(ctx context.Context, key []byte) (err error)
Shutdown()
}
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