iface

type BufferType uint8

type Cleaner interface {
	Clean() error
}

type DefaultIOHandle struct {
	Reader
	Writer
	Cleaner
}

type IBufferHandle interface {
	io.Closer
	GetID() uint64
	GetHandle() INodeHandle
}

type INodeBuffer interface {
	buf.IBuffer
	GetID() uint64
}

type INodeHandle interface {
	sync.Locker
	io.Closer
	GetID() uint64
	GetNodeCreator() buf.MemoryNodeConstructor
	Unload()
	// Loadable() bool
	Unloadable() bool
	// GetBuff() buf.IBuffer
	PrepareLoad() bool
	RollbackLoad()
	CommitLoad() error
	MakeHandle() IBufferHandle
	GetState() NodeState
	GetCapacity() uint64
	GetFile() common.IVFile
	IsCompress() bool
	// Size() uint64
	// IsDestroyable() bool
	IsClosed() bool
	Ref()
	// If the current RefCount is already 0, it returns false, else true
	UnRef() bool
	// If the current RefCount is not 0, it returns true, else false
	HasRef() bool
	SetBuffer(buffer buf.IBuffer) error
	Iteration() uint64
	IncIteration() uint64
	GetBuffer() buf.IBuffer
	IsSpillable() bool
	Clean() error
	String() string
}

type IOHandle interface {
	Reader
	Writer
	Cleaner
}

type NodeRTState = uint32

type NodeState = uint32

type Reader interface {
	Load() error
}

type Writer interface {
	Flush() error
}