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package filter
import (
pdebug "github.com/lestrrat-go/pdebug"
)
func (fs *Set) Reset() {
fs.mutex.Lock()
defer fs.mutex.Unlock()
fs.current = 0
}
func (fs *Set) Size() int {
fs.mutex.Lock()
defer fs.mutex.Unlock()
return len(fs.filters)
}
func (fs *Set) Add(lf Filter) error {
fs.mutex.Lock()
defer fs.mutex.Unlock()
fs.filters = append(fs.filters, lf)
return nil
}
func (fs *Set) Rotate() {
fs.mutex.Lock()
defer fs.mutex.Unlock()
fs.current++
if fs.current >= len(fs.filters) {
fs.current = 0
}
if pdebug.Enabled {
pdebug.Printf("Set.Rotate: now filter in effect is %s", fs.filters[fs.current])
}
}
func (fs *Set) SetCurrentByName(name string) error {
fs.mutex.Lock()
defer fs.mutex.Unlock()
for i, f := range fs.filters {
if f.String() == name {
fs.current = i
return nil
}
}
return ErrFilterNotFound
}
func (fs *Set) Index() int {
fs.mutex.Lock()
defer fs.mutex.Unlock()
return fs.current
}
func (fs *Set) Current() Filter {
fs.mutex.Lock()
defer fs.mutex.Unlock()
return fs.filters[fs.current]
}
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