netdata/netdata

// SPDX-License-Identifier: GPL-3.0-or-later

package discovery

import (
    "github.com/netdata/netdata/go/go.d.plugin/agent/confgroup"
)

type cache map[string]*confgroup.Group // [Source]

func newCache() *cache {
    return &cache{}
}

func (c cache) update(groups []*confgroup.Group) {
    if len(groups) == 0 {
        return
    }
    for _, group := range groups {
        if group != nil {
            c[group.Source] = group
        }
    }
}

func (c cache) reset() {
    for key := range c {
        delete(c, key)
    }
}

func (c cache) groups() []*confgroup.Group {
    groups := make([]*confgroup.Group, 0, len(c))
    for _, group := range c {
        groups = append(groups, group)
    }
    return groups
}