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package deb
import (
"sync"
"github.com/aptly-dev/aptly/aptly"
"github.com/aptly-dev/aptly/database"
)
// CollectionFactory is a single place to generate all desired collections
type CollectionFactory struct {
*sync.Mutex
db database.Storage
packages *PackageCollection
remoteRepos *RemoteRepoCollection
snapshots *SnapshotCollection
localRepos *LocalRepoCollection
publishedRepos *PublishedRepoCollection
checksums *ChecksumCollection
}
// NewCollectionFactory creates new factory
func NewCollectionFactory(db database.Storage) *CollectionFactory {
return &CollectionFactory{Mutex: &sync.Mutex{}, db: db}
}
// TemporaryDB creates new temporary DB
//
// DB should be closed/droped after being used
func (factory *CollectionFactory) TemporaryDB() (database.Storage, error) {
return factory.db.CreateTemporary()
}
// PackageCollection returns (or creates) new PackageCollection
func (factory *CollectionFactory) PackageCollection() *PackageCollection {
factory.Lock()
defer factory.Unlock()
if factory.packages == nil {
factory.packages = NewPackageCollection(factory.db)
}
return factory.packages
}
// RemoteRepoCollection returns (or creates) new RemoteRepoCollection
func (factory *CollectionFactory) RemoteRepoCollection() *RemoteRepoCollection {
factory.Lock()
defer factory.Unlock()
if factory.remoteRepos == nil {
factory.remoteRepos = NewRemoteRepoCollection(factory.db)
}
return factory.remoteRepos
}
// SnapshotCollection returns (or creates) new SnapshotCollection
func (factory *CollectionFactory) SnapshotCollection() *SnapshotCollection {
factory.Lock()
defer factory.Unlock()
if factory.snapshots == nil {
factory.snapshots = NewSnapshotCollection(factory.db)
}
return factory.snapshots
}
// LocalRepoCollection returns (or creates) new LocalRepoCollection
func (factory *CollectionFactory) LocalRepoCollection() *LocalRepoCollection {
factory.Lock()
defer factory.Unlock()
if factory.localRepos == nil {
factory.localRepos = NewLocalRepoCollection(factory.db)
}
return factory.localRepos
}
// PublishedRepoCollection returns (or creates) new PublishedRepoCollection
func (factory *CollectionFactory) PublishedRepoCollection() *PublishedRepoCollection {
factory.Lock()
defer factory.Unlock()
if factory.publishedRepos == nil {
factory.publishedRepos = NewPublishedRepoCollection(factory.db)
}
return factory.publishedRepos
}
// ChecksumCollection returns (or creates) new ChecksumCollection
func (factory *CollectionFactory) ChecksumCollection(db database.ReaderWriter) aptly.ChecksumStorage {
factory.Lock()
defer factory.Unlock()
if db != nil {
return NewChecksumCollection(db)
}
if factory.checksums == nil {
factory.checksums = NewChecksumCollection(factory.db)
}
return factory.checksums
}
// Flush removes all references to collections, so that memory could be reclaimed
func (factory *CollectionFactory) Flush() {
factory.Lock()
defer factory.Unlock()
factory.localRepos = nil
factory.snapshots = nil
factory.remoteRepos = nil
factory.publishedRepos = nil
factory.packages = nil
factory.checksums = nil
}
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