Function restoreCollection

store.go:698–743

(co *CollectionOptions, storeFooter *Footer)

}

func restoreCollection(co *CollectionOptions, storeFooter *Footer) (
	rv *collection, err error) {
	var coll *collection
	if storeFooter.incarNum == 0 {
		var newColl Collection
		newColl, err = NewCollection(*co)
		if err != nil {
			return nil, err
		}

		var ok bool
		coll, ok = newColl.(*collection)
		if !ok {
			return nil, fmt.Errorf("store: wrong collection type")
		}
	} else {
		coll = &collection{
			options:  co,
			stats:    &CollectionStats{},
			incarNum: storeFooter.incarNum,
		}
	}

	coll.highestIncarNum = coll.incarNum

	for collName, childFooter := range storeFooter.ChildFooters {
		if len(coll.childCollections) == 0 {
			coll.childCollections = make(map[string]*collection)
		}

		// Keep the incarnation numbers of the newly restored child
		// collections monotonically increasing.
		coll.highestIncarNum++
		childFooter.incarNum = coll.highestIncarNum

		var childCollection *collection
		childCollection, err = restoreCollection(co, childFooter)
		if err != nil {
			break
		}

		coll.childCollections[collName] = childCollection
	}

	return coll, err
}

// --------------------------------------------------------