forked from TrueCloudLab/frostfs-node
94 lines
2.5 KiB
Go
94 lines
2.5 KiB
Go
package object
|
|
|
|
// ExtendedHeaderType represents the enumeration
|
|
// of extended header types of the NeoFS object.
|
|
type ExtendedHeaderType uint32
|
|
|
|
// ExtendedHeader represents the extended
|
|
// header of NeoFS object.
|
|
type ExtendedHeader struct {
|
|
typ ExtendedHeaderType
|
|
|
|
val interface{}
|
|
}
|
|
|
|
// Type returns the extended header type.
|
|
func (h ExtendedHeader) Type() ExtendedHeaderType {
|
|
return h.typ
|
|
}
|
|
|
|
// SetType sets the extended header type.
|
|
func (h *ExtendedHeader) SetType(v ExtendedHeaderType) {
|
|
h.typ = v
|
|
}
|
|
|
|
// Value returns the extended header value.
|
|
//
|
|
// In the case of a reference type, the value is
|
|
// returned by reference, so value mutations affect
|
|
// header state. Therefore, callers must first copy
|
|
// the value before changing manipulations.
|
|
func (h ExtendedHeader) Value() interface{} {
|
|
return h.val
|
|
}
|
|
|
|
// SetValue sets the extended header value.
|
|
//
|
|
// Caller must take into account that each type of
|
|
// header usually has a limited set of expected
|
|
// value types.
|
|
//
|
|
// In the case of a reference type, the value is set
|
|
// by reference, so source value mutations affect
|
|
// header state. Therefore, callers must first copy
|
|
// the source value before changing manipulations.
|
|
func (h *ExtendedHeader) SetValue(v interface{}) {
|
|
h.val = v
|
|
}
|
|
|
|
// TypeFromUint32 converts builtin
|
|
// uint32 value to Epoch.
|
|
//
|
|
// Try to avoid direct cast for
|
|
// better portability.
|
|
func TypeFromUint32(v uint32) ExtendedHeaderType {
|
|
return ExtendedHeaderType(v)
|
|
}
|
|
|
|
// TypeToUint32 converts Epoch value
|
|
// to builtin uint32.
|
|
//
|
|
// Try to avoid direct cast for
|
|
// better portability.
|
|
func TypeToUint32(v ExtendedHeaderType) uint32 {
|
|
return uint32(v)
|
|
}
|
|
|
|
// TypesEQ reports whether t1 and t2 are the same ExtendedHeaderType.
|
|
//
|
|
// Function defines the relation of equality
|
|
// between two ExtendedHeaderType. Try to avoid comparison through
|
|
// "==" operator for better portability.
|
|
func TypesEQ(t1, t2 ExtendedHeaderType) bool {
|
|
return TypeToUint32(t1) == TypeToUint32(t2)
|
|
}
|
|
|
|
// TypesLT reports whether t1 ExtendedHeaderType
|
|
// is less than t2.
|
|
//
|
|
// Function defines the "less than" relation
|
|
// between two ExtendedHeaderType. Try to avoid
|
|
// comparison through "<" operator for better portability.
|
|
func TypesLT(t1, t2 ExtendedHeaderType) bool {
|
|
return TypeToUint32(t1) < TypeToUint32(t2)
|
|
}
|
|
|
|
// TypesGT reports whether t1 ExtendedHeaderType
|
|
// is greater than t2.
|
|
//
|
|
// Function defines the "greater than" relation
|
|
// between two ExtendedHeaderType. Try to avoid
|
|
// comparison through ">" operator for better portability.
|
|
func TypesGT(t1, t2 ExtendedHeaderType) bool {
|
|
return TypeToUint32(t1) > TypeToUint32(t2)
|
|
}
|