leveldb

Documentation

Index

• Constants
• func PositionOf(prefix []byte, d quad.Direction, qs *QuadStore) int
• func Type() graph.Type
• type AllIterator
  • func NewAllIterator(prefix string, d quad.Direction, qs *QuadStore) *AllIterator
  • func (it *AllIterator) Clone() graph.Iterator
  • func (it *AllIterator) Close() error
  • func (it *AllIterator) Contains(v graph.Value) bool
  • func (it *AllIterator) Describe() graph.Description
  • func (it *AllIterator) Err() error
  • func (it *AllIterator) Next() bool
  • func (it *AllIterator) NextPath() bool
  • func (it *AllIterator) Optimize() (graph.Iterator, bool)
  • func (it *AllIterator) Reset()
  • func (it *AllIterator) Result() graph.Value
  • func (it *AllIterator) Size() (int64, bool)
  • func (it *AllIterator) Sorted() bool
  • func (it *AllIterator) Stats() graph.IteratorStats
  • func (it *AllIterator) SubIterators() []graph.Iterator
  • func (it *AllIterator) TagResults(dst map[string]graph.Value)
  • func (it *AllIterator) Tagger() *graph.Tagger
  • func (it *AllIterator) Type() graph.Type
  • func (it *AllIterator) UID() uint64
• type Iterator
  • func NewIterator(prefix string, d quad.Direction, value graph.Value, qs *QuadStore) *Iterator
  • func (it *Iterator) Clone() graph.Iterator
  • func (it *Iterator) Close() error
  • func (it *Iterator) Contains(v graph.Value) bool
  • func (it *Iterator) Describe() graph.Description
  • func (it *Iterator) Err() error
  • func (it *Iterator) Next() bool
  • func (it *Iterator) NextPath() bool
  • func (it *Iterator) Optimize() (graph.Iterator, bool)
  • func (it *Iterator) Reset()
  • func (it *Iterator) Result() graph.Value
  • func (it *Iterator) Size() (int64, bool)
  • func (it *Iterator) Sorted() bool
  • func (it *Iterator) Stats() graph.IteratorStats
  • func (it *Iterator) SubIterators() []graph.Iterator
  • func (it *Iterator) TagResults(dst map[string]graph.Value)
  • func (it *Iterator) Tagger() *graph.Tagger
  • func (it *Iterator) Type() graph.Type
  • func (it *Iterator) UID() uint64
• type QuadStore
  • func (qs *QuadStore) ApplyDeltas(deltas []graph.Delta, ignoreOpts graph.IgnoreOpts) error
  • func (qs *QuadStore) Close()
  • func (qs *QuadStore) FixedIterator() graph.FixedIterator
  • func (qs *QuadStore) GetStats() string
  • func (qs *QuadStore) Horizon() graph.PrimaryKey
  • func (qs *QuadStore) NameOf(k graph.Value) quad.Value
  • func (qs *QuadStore) NodesAllIterator() graph.Iterator
  • func (qs *QuadStore) OptimizeIterator(it graph.Iterator) (graph.Iterator, bool)
  • func (qs *QuadStore) Quad(k graph.Value) quad.Quad
  • func (qs *QuadStore) QuadDirection(val graph.Value, d quad.Direction) graph.Value
  • func (qs *QuadStore) QuadIterator(d quad.Direction, val graph.Value) graph.Iterator
  • func (qs *QuadStore) QuadsAllIterator() graph.Iterator
  • func (qs *QuadStore) Size() int64
  • func (qs *QuadStore) SizeOf(k graph.Value) int64
  • func (qs *QuadStore) SizeOfPrefix(pre []byte) (int64, error)
  • func (qs *QuadStore) Type() string
  • func (qs *QuadStore) UpdateValueKeyBy(name quad.Value, amount int64, batch *leveldb.Batch) error
  • func (qs *QuadStore) ValueOf(s quad.Value) graph.Value
• type Token
  • func (t Token) IsNode() bool
  • func (t Token) Key() interface{}

Constants

const (
	DefaultCacheSize       = 2
	DefaultWriteBufferSize = 20
	QuadStoreType          = "leveldb"
)

Functions

func PositionOf

func PositionOf(prefix []byte, d quad.Direction, qs *QuadStore) int

func Type

func Type() graph.Type

Types

type AllIterator

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

func NewAllIterator

func NewAllIterator(prefix string, d quad.Direction, qs *QuadStore) *AllIterator

func (*AllIterator) Clone

func (it *AllIterator) Clone() graph.Iterator

func (*AllIterator) Close

func (it *AllIterator) Close() error

func (*AllIterator) Contains

func (it *AllIterator) Contains(v graph.Value) bool

func (*AllIterator) Describe

func (it *AllIterator) Describe() graph.Description

func (*AllIterator) Err

func (it *AllIterator) Err() error

func (*AllIterator) Next

func (it *AllIterator) Next() bool

func (*AllIterator) NextPath

func (it *AllIterator) NextPath() bool

func (*AllIterator) Optimize

func (it *AllIterator) Optimize() (graph.Iterator, bool)

func (*AllIterator) Reset

func (it *AllIterator) Reset()

func (*AllIterator) Result

func (it *AllIterator) Result() graph.Value

func (*AllIterator) Size

func (it *AllIterator) Size() (int64, bool)

func (*AllIterator) Sorted

func (it *AllIterator) Sorted() bool

func (*AllIterator) Stats

func (it *AllIterator) Stats() graph.IteratorStats

func (*AllIterator) SubIterators

func (it *AllIterator) SubIterators() []graph.Iterator

No subiterators.

func (*AllIterator) TagResults

func (it *AllIterator) TagResults(dst map[string]graph.Value)

func (*AllIterator) Tagger

func (it *AllIterator) Tagger() *graph.Tagger

func (*AllIterator) Type

func (it *AllIterator) Type() graph.Type

func (*AllIterator) UID

func (it *AllIterator) UID() uint64

type Iterator

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

func NewIterator

func NewIterator(prefix string, d quad.Direction, value graph.Value, qs *QuadStore) *Iterator

func (*Iterator) Clone

func (it *Iterator) Clone() graph.Iterator

func (*Iterator) Close

func (it *Iterator) Close() error

func (*Iterator) Contains

func (it *Iterator) Contains(v graph.Value) bool

func (*Iterator) Describe

func (it *Iterator) Describe() graph.Description

func (*Iterator) Err

func (it *Iterator) Err() error

func (*Iterator) Next

func (it *Iterator) Next() bool

func (*Iterator) NextPath

func (it *Iterator) NextPath() bool

func (*Iterator) Optimize

func (it *Iterator) Optimize() (graph.Iterator, bool)

func (*Iterator) Reset

func (it *Iterator) Reset()

func (*Iterator) Result

func (it *Iterator) Result() graph.Value

func (*Iterator) Size

func (it *Iterator) Size() (int64, bool)

func (*Iterator) Sorted

func (it *Iterator) Sorted() bool

func (*Iterator) Stats

func (it *Iterator) Stats() graph.IteratorStats

func (*Iterator) SubIterators

func (it *Iterator) SubIterators() []graph.Iterator

No subiterators.

func (*Iterator) TagResults

func (it *Iterator) TagResults(dst map[string]graph.Value)

func (*Iterator) Tagger

func (it *Iterator) Tagger() *graph.Tagger

func (*Iterator) Type

func (it *Iterator) Type() graph.Type

func (*Iterator) UID

func (it *Iterator) UID() uint64

type QuadStore

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

func (*QuadStore) ApplyDeltas

func (qs *QuadStore) ApplyDeltas(deltas []graph.Delta, ignoreOpts graph.IgnoreOpts) error

func (*QuadStore) Close

func (qs *QuadStore) Close()

func (*QuadStore) FixedIterator

func (qs *QuadStore) FixedIterator() graph.FixedIterator

func (*QuadStore) GetStats

func (qs *QuadStore) GetStats() string

func (*QuadStore) Horizon

func (qs *QuadStore) Horizon() graph.PrimaryKey

func (*QuadStore) NameOf

func (qs *QuadStore) NameOf(k graph.Value) quad.Value

func (*QuadStore) NodesAllIterator

func (qs *QuadStore) NodesAllIterator() graph.Iterator

func (*QuadStore) OptimizeIterator

func (qs *QuadStore) OptimizeIterator(it graph.Iterator) (graph.Iterator, bool)

func (*QuadStore) Quad

func (qs *QuadStore) Quad(k graph.Value) quad.Quad

func (*QuadStore) QuadDirection

func (qs *QuadStore) QuadDirection(val graph.Value, d quad.Direction) graph.Value

func (*QuadStore) QuadIterator

func (qs *QuadStore) QuadIterator(d quad.Direction, val graph.Value) graph.Iterator

func (*QuadStore) QuadsAllIterator

func (qs *QuadStore) QuadsAllIterator() graph.Iterator

func (*QuadStore) Size

func (qs *QuadStore) Size() int64

func (*QuadStore) SizeOf

func (qs *QuadStore) SizeOf(k graph.Value) int64

func (*QuadStore) SizeOfPrefix

func (qs *QuadStore) SizeOfPrefix(pre []byte) (int64, error)

func (*QuadStore) Type

func (qs *QuadStore) Type() string

func (*QuadStore) UpdateValueKeyBy

func (qs *QuadStore) UpdateValueKeyBy(name quad.Value, amount int64, batch *leveldb.Batch) error

func (*QuadStore) ValueOf

func (qs *QuadStore) ValueOf(s quad.Value) graph.Value

type Token

type Token []byte

func (Token) IsNode

func (t Token) IsNode() bool

func (Token) Key

func (t Token) Key() interface{}