cache

Documentation

Index

• Constants
• Variables
• type Cache
• type CacheContent
• type CacheInterface
  • func NewFileCache(path string, expiry time.Duration) CacheInterface
  • func NewMemoryCache() CacheInterface
• type FileCache
  • func (c *FileCache) Read(key string) (rss.RSS, error)
  • func (c *FileCache) Write(key string, content rss.RSS) error
• type MemoryCache
  • func (c *MemoryCache) Read(key string) (rss.RSS, error)
  • func (c *MemoryCache) Write(key string, content rss.RSS) error

Constants

const DefaultExpiry time.Duration = 24 * 60 * 60 * 1000 * 1000 * 1000

h * m * s * ms * μs * ns 24hrs

Variables

var DefaultPath = filepath.Join(os.TempDir(), "nom")

var ErrCacheMiss = errors.New("cache miss")

Types

type Cache

type Cache struct {
	// contains filtered or unexported fields
}

type CacheContent

type CacheContent = map[string]rss.RSS

key is feedurl

type CacheInterface

type CacheInterface interface {
	Write(key string, content rss.RSS) error
	Read(key string) (rss.RSS, error)
}

func NewFileCache

func NewFileCache(path string, expiry time.Duration) CacheInterface

func NewMemoryCache

func NewMemoryCache() CacheInterface

type FileCache

type FileCache struct {
	// contains filtered or unexported fields
}

func (*FileCache) Read

func (c *FileCache) Read(key string) (rss.RSS, error)

Read reads from the cache, returning a ErrFileCacheMiss if nothing found or if the cache is older than the expiry

func (*FileCache) Write

func (c *FileCache) Write(key string, content rss.RSS) error

Write writes content to a file at the location specified in the cache

type MemoryCache

type MemoryCache struct {
	// contains filtered or unexported fields
}

func (*MemoryCache) Read

func (c *MemoryCache) Read(key string) (rss.RSS, error)

func (*MemoryCache) Write

func (c *MemoryCache) Write(key string, content rss.RSS) error