filter_chain.go

package source

import (
	"github.com/goharbor/harbor/src/replication/models"
)

// FilterChain is the interface to define the operations of coordinating multiple filters
// to work together as a whole pipeline.
// E.g:
// (original resources)---->[project filter]---->[repository filter]---->[tag filter]---->[......]---->(filter resources)
type FilterChain interface {
	// Build the filter chain with the filters provided;
	// if failed, an error will be returned.
	Build(filter []Filter) error

	// Return all the filters in the chain.
	Filters() []Filter

	// Filter the items and returned the filtered items via the appended filters in the chain.
	DoFilter(filterItems []models.FilterItem) []models.FilterItem
}