package master

import (
	"github.com/zilliztech/milvus-distributed/internal/errors"
	"github.com/zilliztech/milvus-distributed/internal/kv"
	"github.com/zilliztech/milvus-distributed/internal/proto/etcdpb"
)

type metaTable struct {
	client     kv.Base                         // client of a reliable kv service, i.e. etcd client
	rootPath   string                          // this metaTable's working root path on the reliable kv service
	tenantMeta map[int64]etcdpb.TenantMeta     // tenant id to tenant meta
	proxyMeta  map[int64]etcdpb.ProxyMeta      // proxy id to proxy meta
	collMeta   map[int64]etcdpb.CollectionMeta // collection id to collection meta
	segMeta    map[int64]etcdpb.SegmentMeta    // segment id to segment meta
}

func (mt *metaTable) getCollectionMetaByName(name string) (*etcdpb.CollectionMeta, error) {
	for _, v := range mt.collMeta {
		if v.Schema.Name == name {
			return &v, nil
		}
	}

	return nil, errors.New("Cannot found collection: " + name)
}