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pagination.go
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/
pagination.go
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package database
// Option - Option type
type Option func(*Pagination)
// Size -
func Size(size uint32) Option {
return func(c *Pagination) {
c.size = size
}
}
// Token -
func Token(token string) Option {
return func(c *Pagination) {
c.token = token
}
}
// Pagination -
type Pagination struct {
size uint32
token string
}
// NewPagination -
func NewPagination(opts ...Option) Pagination {
pagination := &Pagination{}
// Custom options
for _, opt := range opts {
opt(pagination)
}
if pagination.size == 0 {
pagination.size = _defaultPageSize
}
return *pagination
}
// PageSize -
func (p Pagination) PageSize() uint32 {
return p.size
}
// Token -
func (p Pagination) Token() string {
return p.token
}
// EncodedContinuousToken -
type EncodedContinuousToken interface {
// String returns the string representation of the continuous token.
String() string
// Decode decodes the continuous token from a string
Decode() (ContinuousToken, error)
}
// ContinuousToken -
type ContinuousToken interface {
// Encode encodes the continuous token to a string.
Encode() EncodedContinuousToken
}