Documentation ¶
Index ¶
- Variables
- func KeyValueToFilter(k string, v interface{}) (*filters.Filter, error)
- func ParamsToFilter(filterOp filters.BoolFilterOp, s ...interface{}) (*filters.Filter, error)
- func ParamsToMetadataFilter(filterOp filters.BoolFilterOp, s ...interface{}) (graph.ElementMatcher, error)
- func ParseSortParameter(keys ...interface{}) (order common.SortOrder, sortBy string, err error)
- type BetweenElementMatcher
- type ForeverPredicate
- type GTEElementMatcher
- type GTElementMatcher
- type GraphTraversal
- func (t *GraphTraversal) Context(s ...interface{}) *GraphTraversal
- func (t *GraphTraversal) E(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (t *GraphTraversal) Error() error
- func (t *GraphTraversal) MarshalJSON() ([]byte, error)
- func (t *GraphTraversal) RLock()
- func (t *GraphTraversal) RUnlock()
- func (t *GraphTraversal) V(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (t *GraphTraversal) Values() []interface{}
- type GraphTraversalAs
- type GraphTraversalE
- func (te *GraphTraversalE) BothV(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (te *GraphTraversalE) Count(ctx StepContext, s ...interface{}) *GraphTraversalValue
- func (te *GraphTraversalE) Dedup(ctx StepContext, keys ...interface{}) *GraphTraversalE
- func (te *GraphTraversalE) Error() error
- func (te *GraphTraversalE) G() *GraphTraversal
- func (te *GraphTraversalE) Has(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (te *GraphTraversalE) HasEither(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (te *GraphTraversalE) HasKey(ctx StepContext, s string) *GraphTraversalE
- func (te *GraphTraversalE) HasNot(ctx StepContext, s string) *GraphTraversalE
- func (te *GraphTraversalE) InV(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (te *GraphTraversalE) Limit(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (te *GraphTraversalE) MarshalJSON() ([]byte, error)
- func (te *GraphTraversalE) OutV(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (te *GraphTraversalE) Range(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (te *GraphTraversalE) SubGraph(ctx StepContext, s ...interface{}) *GraphTraversal
- func (te *GraphTraversalE) Values() []interface{}
- type GraphTraversalRange
- type GraphTraversalShortestPath
- func (sp *GraphTraversalShortestPath) Error() error
- func (sp *GraphTraversalShortestPath) GetNodes() []*graph.Node
- func (sp *GraphTraversalShortestPath) MarshalJSON() ([]byte, error)
- func (sp *GraphTraversalShortestPath) SubGraph(ctx StepContext, s ...interface{}) *GraphTraversal
- func (sp *GraphTraversalShortestPath) Values() []interface{}
- type GraphTraversalStep
- type GraphTraversalV
- func (tv *GraphTraversalV) As(ctx StepContext, keys ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) Both(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) BothE(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (tv *GraphTraversalV) Count(ctx StepContext, s ...interface{}) *GraphTraversalValue
- func (tv *GraphTraversalV) Dedup(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) Error() error
- func (tv *GraphTraversalV) G() *GraphTraversal
- func (tv *GraphTraversalV) GetNodes() (nodes []*graph.Node)
- func (tv *GraphTraversalV) Has(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) HasEither(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) HasKey(ctx StepContext, s string) *GraphTraversalV
- func (tv *GraphTraversalV) HasNot(ctx StepContext, s string) *GraphTraversalV
- func (tv *GraphTraversalV) In(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) InE(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (tv *GraphTraversalV) Limit(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) MarshalJSON() ([]byte, error)
- func (tv *GraphTraversalV) Out(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) OutE(ctx StepContext, s ...interface{}) *GraphTraversalE
- func (tv *GraphTraversalV) PropertyKeys(ctx StepContext, keys ...interface{}) *GraphTraversalValue
- func (tv *GraphTraversalV) PropertyValues(ctx StepContext, k ...interface{}) *GraphTraversalValue
- func (tv *GraphTraversalV) Range(ctx StepContext, s ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) Select(ctx StepContext, keys ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) ShortestPathTo(ctx StepContext, m graph.Metadata, e graph.Metadata) *GraphTraversalShortestPath
- func (tv *GraphTraversalV) Sort(ctx StepContext, keys ...interface{}) *GraphTraversalV
- func (tv *GraphTraversalV) SubGraph(ctx StepContext, s ...interface{}) *GraphTraversal
- func (tv *GraphTraversalV) Sum(ctx StepContext, keys ...interface{}) *GraphTraversalValue
- func (tv *GraphTraversalV) Values() []interface{}
- type GraphTraversalValue
- type GremlinTraversalContext
- type GremlinTraversalExtension
- type GremlinTraversalParser
- type GremlinTraversalScanner
- type GremlinTraversalSequence
- type GremlinTraversalStep
- type GremlinTraversalStepAs
- type GremlinTraversalStepBoth
- type GremlinTraversalStepBothE
- type GremlinTraversalStepBothV
- type GremlinTraversalStepContext
- type GremlinTraversalStepCount
- type GremlinTraversalStepDedup
- type GremlinTraversalStepE
- type GremlinTraversalStepG
- type GremlinTraversalStepHas
- type GremlinTraversalStepHasEither
- type GremlinTraversalStepHasKey
- type GremlinTraversalStepHasNot
- type GremlinTraversalStepIn
- type GremlinTraversalStepInE
- type GremlinTraversalStepInV
- type GremlinTraversalStepKeys
- type GremlinTraversalStepLimit
- type GremlinTraversalStepOut
- type GremlinTraversalStepOutE
- type GremlinTraversalStepOutV
- type GremlinTraversalStepRange
- type GremlinTraversalStepSelect
- type GremlinTraversalStepShortestPathTo
- type GremlinTraversalStepSort
- type GremlinTraversalStepSubGraph
- type GremlinTraversalStepSum
- type GremlinTraversalStepV
- type GremlinTraversalStepValues
- type IPV4RangeElementMatcher
- type InsideElementMatcher
- type LTEElementMatcher
- type LTElementMatcher
- type NEElementMatcher
- type NowPredicate
- type OutsideElementMatcher
- type RegexElementMatcher
- type Since
- type StepContext
- type Token
- type WithinElementMatcher
- type WithoutElementMatcher
Constants ¶
This section is empty.
Variables ¶
var ( // ErrExecutionError execution error ErrExecutionError = errors.New("Error while executing the query") )
Functions ¶
func KeyValueToFilter ¶ added in v0.16.0
KeyValueToFilter creates a filter for a key with a fixed value or a predicate
func ParamsToFilter ¶ added in v0.10.0
func ParamsToFilter(filterOp filters.BoolFilterOp, s ...interface{}) (*filters.Filter, error)
ParamsToFilter converts a slice to a filter
func ParamsToMetadataFilter ¶ added in v0.16.0
func ParamsToMetadataFilter(filterOp filters.BoolFilterOp, s ...interface{}) (graph.ElementMatcher, error)
ParamsToMetadataFilter converts a slice to a ElementMatcher
Types ¶
type BetweenElementMatcher ¶ added in v0.21.0
type BetweenElementMatcher struct {
// contains filtered or unexported fields
}
BetweenElementMatcher describes a list of metadata that match between the range from, to
func Between ¶ added in v0.5.0
func Between(from interface{}, to interface{}) *BetweenElementMatcher
Between predicate
type ForeverPredicate ¶ added in v0.18.0
type ForeverPredicate struct{}
ForeverPredicate describes a entire time limit in the history
type GTEElementMatcher ¶ added in v0.21.0
type GTEElementMatcher struct {
// contains filtered or unexported fields
}
GTEElementMatcher describes a list of metadata that match Greater Than Equal
type GTElementMatcher ¶ added in v0.21.0
type GTElementMatcher struct {
// contains filtered or unexported fields
}
GTElementMatcher describes a list of metadata that match GreaterThan
type GraphTraversal ¶
GraphTraversal describes multiple step within a graph
func NewGraphTraversal ¶
func NewGraphTraversal(g *graph.Graph, lockGraph bool) *GraphTraversal
NewGraphTraversal creates a new graph traversal
func (*GraphTraversal) Context ¶
func (t *GraphTraversal) Context(s ...interface{}) *GraphTraversal
Context step : at, [duration]
func (*GraphTraversal) E ¶ added in v0.12.0
func (t *GraphTraversal) E(ctx StepContext, s ...interface{}) *GraphTraversalE
E step : [edge ID]
func (*GraphTraversal) Error ¶
func (t *GraphTraversal) Error() error
func (*GraphTraversal) MarshalJSON ¶
func (t *GraphTraversal) MarshalJSON() ([]byte, error)
MarshalJSON serialize in JSON
func (*GraphTraversal) RLock ¶ added in v0.10.0
func (t *GraphTraversal) RLock()
RLock reads lock the graph
func (*GraphTraversal) RUnlock ¶ added in v0.10.0
func (t *GraphTraversal) RUnlock()
RUnlock reads unlock the graph
func (*GraphTraversal) V ¶
func (t *GraphTraversal) V(ctx StepContext, s ...interface{}) *GraphTraversalV
V step : [node ID]
func (*GraphTraversal) Values ¶
func (t *GraphTraversal) Values() []interface{}
Values returns the graph values
type GraphTraversalAs ¶ added in v0.19.0
type GraphTraversalAs struct { GraphTraversal *GraphTraversal // contains filtered or unexported fields }
GraphTraversalAs store a state of the nodes selected
type GraphTraversalE ¶
type GraphTraversalE struct { GraphTraversal *GraphTraversal // contains filtered or unexported fields }
GraphTraversalE traversal steps on Edges
func NewGraphTraversalE ¶ added in v0.12.0
func NewGraphTraversalE(gt *GraphTraversal, edges []*graph.Edge, err ...error) *GraphTraversalE
NewGraphTraversalE creates a new graph traversal Edges
func (*GraphTraversalE) BothV ¶ added in v0.13.0
func (te *GraphTraversalE) BothV(ctx StepContext, s ...interface{}) *GraphTraversalV
BothV step, nodes in/out
func (*GraphTraversalE) Count ¶ added in v0.5.0
func (te *GraphTraversalE) Count(ctx StepContext, s ...interface{}) *GraphTraversalValue
Count step
func (*GraphTraversalE) Dedup ¶
func (te *GraphTraversalE) Dedup(ctx StepContext, keys ...interface{}) *GraphTraversalE
Dedup step : deduplicate
func (*GraphTraversalE) Error ¶
func (te *GraphTraversalE) Error() error
func (*GraphTraversalE) G ¶ added in v0.19.0
func (te *GraphTraversalE) G() *GraphTraversal
G returns the GraphTraversal
func (*GraphTraversalE) Has ¶
func (te *GraphTraversalE) Has(ctx StepContext, s ...interface{}) *GraphTraversalE
Has step
func (*GraphTraversalE) HasEither ¶ added in v0.21.0
func (te *GraphTraversalE) HasEither(ctx StepContext, s ...interface{}) *GraphTraversalE
HasEither step
func (*GraphTraversalE) HasKey ¶ added in v0.10.0
func (te *GraphTraversalE) HasKey(ctx StepContext, s string) *GraphTraversalE
HasKey step
func (*GraphTraversalE) HasNot ¶ added in v0.10.0
func (te *GraphTraversalE) HasNot(ctx StepContext, s string) *GraphTraversalE
HasNot step
func (*GraphTraversalE) InV ¶
func (te *GraphTraversalE) InV(ctx StepContext, s ...interface{}) *GraphTraversalV
InV step, node in
func (*GraphTraversalE) Limit ¶ added in v0.6.0
func (te *GraphTraversalE) Limit(ctx StepContext, s ...interface{}) *GraphTraversalE
Limit step
func (*GraphTraversalE) MarshalJSON ¶
func (te *GraphTraversalE) MarshalJSON() ([]byte, error)
MarshalJSON serialize in JSON
func (*GraphTraversalE) OutV ¶
func (te *GraphTraversalE) OutV(ctx StepContext, s ...interface{}) *GraphTraversalV
OutV step, node out
func (*GraphTraversalE) Range ¶ added in v0.6.0
func (te *GraphTraversalE) Range(ctx StepContext, s ...interface{}) *GraphTraversalE
Range step
func (*GraphTraversalE) SubGraph ¶ added in v0.13.0
func (te *GraphTraversalE) SubGraph(ctx StepContext, s ...interface{}) *GraphTraversal
SubGraph step, node/edge out
func (*GraphTraversalE) Values ¶
func (te *GraphTraversalE) Values() []interface{}
Values returns the graph values
type GraphTraversalRange ¶ added in v0.6.0
type GraphTraversalRange [2]int64
GraphTraversalRange is within a min and a max
func (*GraphTraversalRange) Iterator ¶ added in v0.6.0
func (r *GraphTraversalRange) Iterator() *common.Iterator
Iterator on the range
type GraphTraversalShortestPath ¶
type GraphTraversalShortestPath struct { GraphTraversal *GraphTraversal // contains filtered or unexported fields }
GraphTraversalShortestPath traversal step shortest path
func (*GraphTraversalShortestPath) Error ¶
func (sp *GraphTraversalShortestPath) Error() error
func (*GraphTraversalShortestPath) GetNodes ¶ added in v0.11.0
func (sp *GraphTraversalShortestPath) GetNodes() []*graph.Node
GetNodes : returns all the nodes in single array, so it will used to find flows.
func (*GraphTraversalShortestPath) MarshalJSON ¶
func (sp *GraphTraversalShortestPath) MarshalJSON() ([]byte, error)
MarshalJSON serialize in JSON
func (*GraphTraversalShortestPath) SubGraph ¶ added in v0.14.0
func (sp *GraphTraversalShortestPath) SubGraph(ctx StepContext, s ...interface{}) *GraphTraversal
SubGraph step, node/edge out
func (*GraphTraversalShortestPath) Values ¶
func (sp *GraphTraversalShortestPath) Values() []interface{}
Values returns the graph values
type GraphTraversalStep ¶
type GraphTraversalStep interface { Values() []interface{} MarshalJSON() ([]byte, error) Error() error }
GraphTraversalStep describes a step in the graph containing Values
type GraphTraversalV ¶
type GraphTraversalV struct { GraphTraversal *GraphTraversal // contains filtered or unexported fields }
GraphTraversalV traversal steps on nodes
func NewGraphTraversalV ¶
func NewGraphTraversalV(gt *GraphTraversal, nodes []*graph.Node, err ...error) *GraphTraversalV
NewGraphTraversalV returns a new traversal step
func (*GraphTraversalV) As ¶ added in v0.19.0
func (tv *GraphTraversalV) As(ctx StepContext, keys ...interface{}) *GraphTraversalV
As stores the result of the previous step using the given key
func (*GraphTraversalV) Both ¶
func (tv *GraphTraversalV) Both(ctx StepContext, s ...interface{}) *GraphTraversalV
Both step
func (*GraphTraversalV) BothE ¶ added in v0.12.0
func (tv *GraphTraversalV) BothE(ctx StepContext, s ...interface{}) *GraphTraversalE
BothE : both are edges
func (*GraphTraversalV) Count ¶ added in v0.5.0
func (tv *GraphTraversalV) Count(ctx StepContext, s ...interface{}) *GraphTraversalValue
Count step
func (*GraphTraversalV) Dedup ¶
func (tv *GraphTraversalV) Dedup(ctx StepContext, s ...interface{}) *GraphTraversalV
Dedup step : deduplicate output
func (*GraphTraversalV) Error ¶
func (tv *GraphTraversalV) Error() error
func (*GraphTraversalV) G ¶ added in v0.19.0
func (tv *GraphTraversalV) G() *GraphTraversal
G returns the GraphTraversal
func (*GraphTraversalV) GetNodes ¶ added in v0.8.0
func (tv *GraphTraversalV) GetNodes() (nodes []*graph.Node)
GetNodes returns the step nodes
func (*GraphTraversalV) Has ¶
func (tv *GraphTraversalV) Has(ctx StepContext, s ...interface{}) *GraphTraversalV
Has step produces a AND filter
func (*GraphTraversalV) HasEither ¶ added in v0.21.0
func (tv *GraphTraversalV) HasEither(ctx StepContext, s ...interface{}) *GraphTraversalV
HasEither step produces a OR filter
func (*GraphTraversalV) HasKey ¶ added in v0.10.0
func (tv *GraphTraversalV) HasKey(ctx StepContext, s string) *GraphTraversalV
HasKey step
func (*GraphTraversalV) HasNot ¶ added in v0.10.0
func (tv *GraphTraversalV) HasNot(ctx StepContext, s string) *GraphTraversalV
HasNot step
func (*GraphTraversalV) In ¶
func (tv *GraphTraversalV) In(ctx StepContext, s ...interface{}) *GraphTraversalV
In node step
func (*GraphTraversalV) InE ¶
func (tv *GraphTraversalV) InE(ctx StepContext, s ...interface{}) *GraphTraversalE
InE step of an node
func (*GraphTraversalV) Limit ¶ added in v0.6.0
func (tv *GraphTraversalV) Limit(ctx StepContext, s ...interface{}) *GraphTraversalV
Limit step
func (*GraphTraversalV) MarshalJSON ¶
func (tv *GraphTraversalV) MarshalJSON() ([]byte, error)
MarshalJSON serialize in JSON
func (*GraphTraversalV) Out ¶
func (tv *GraphTraversalV) Out(ctx StepContext, s ...interface{}) *GraphTraversalV
Out step : out of a node step
func (*GraphTraversalV) OutE ¶
func (tv *GraphTraversalV) OutE(ctx StepContext, s ...interface{}) *GraphTraversalE
OutE step : out of an edge
func (*GraphTraversalV) PropertyKeys ¶ added in v0.8.0
func (tv *GraphTraversalV) PropertyKeys(ctx StepContext, keys ...interface{}) *GraphTraversalValue
PropertyKeys returns at this step, all the metadata keys of each metadata
func (*GraphTraversalV) PropertyValues ¶ added in v0.8.0
func (tv *GraphTraversalV) PropertyValues(ctx StepContext, k ...interface{}) *GraphTraversalValue
PropertyValues returns at this step, the values of each metadata selected by the first key
func (*GraphTraversalV) Range ¶ added in v0.6.0
func (tv *GraphTraversalV) Range(ctx StepContext, s ...interface{}) *GraphTraversalV
Range step
func (*GraphTraversalV) Select ¶ added in v0.19.0
func (tv *GraphTraversalV) Select(ctx StepContext, keys ...interface{}) *GraphTraversalV
Select implements the SELECT gremlin step
func (*GraphTraversalV) ShortestPathTo ¶
func (tv *GraphTraversalV) ShortestPathTo(ctx StepContext, m graph.Metadata, e graph.Metadata) *GraphTraversalShortestPath
ShortestPathTo step
func (*GraphTraversalV) Sort ¶ added in v0.10.0
func (tv *GraphTraversalV) Sort(ctx StepContext, keys ...interface{}) *GraphTraversalV
Sort step
func (*GraphTraversalV) SubGraph ¶ added in v0.13.0
func (tv *GraphTraversalV) SubGraph(ctx StepContext, s ...interface{}) *GraphTraversal
SubGraph step, node/edge out
func (*GraphTraversalV) Sum ¶ added in v0.8.0
func (tv *GraphTraversalV) Sum(ctx StepContext, keys ...interface{}) *GraphTraversalValue
Sum step : key returns the sum of the metadata values of the first argument key
func (*GraphTraversalV) Values ¶
func (tv *GraphTraversalV) Values() []interface{}
Values returns the graph values
type GraphTraversalValue ¶ added in v0.5.0
type GraphTraversalValue struct { GraphTraversal *GraphTraversal // contains filtered or unexported fields }
GraphTraversalValue traversal step value
func NewGraphTraversalValue ¶ added in v0.5.0
func NewGraphTraversalValue(gt *GraphTraversal, value interface{}) *GraphTraversalValue
NewGraphTraversalValue creates a new traversal value step
func NewGraphTraversalValueFromError ¶ added in v0.17.0
func NewGraphTraversalValueFromError(err ...error) *GraphTraversalValue
NewGraphTraversalValueFromError creates a new traversal value step
func (*GraphTraversalValue) Dedup ¶ added in v0.8.0
func (t *GraphTraversalValue) Dedup(ctx StepContext, keys ...interface{}) *GraphTraversalValue
Dedup step : deduplicate
func (*GraphTraversalValue) Error ¶ added in v0.5.0
func (t *GraphTraversalValue) Error() error
func (*GraphTraversalValue) MarshalJSON ¶ added in v0.5.0
func (t *GraphTraversalValue) MarshalJSON() ([]byte, error)
MarshalJSON serialize in JSON
func (*GraphTraversalValue) Values ¶ added in v0.5.0
func (t *GraphTraversalValue) Values() []interface{}
Values return the graph values
type GremlinTraversalContext ¶ added in v0.6.0
type GremlinTraversalContext struct { StepContext StepContext Params []interface{} }
GremlinTraversalContext describes the context of a step
func (*GremlinTraversalContext) Context ¶ added in v0.6.0
func (p *GremlinTraversalContext) Context() *GremlinTraversalContext
Context step
func (*GremlinTraversalContext) ReduceRange ¶ added in v0.6.0
func (p *GremlinTraversalContext) ReduceRange(next GremlinTraversalStep) bool
ReduceRange Context step
type GremlinTraversalExtension ¶
type GremlinTraversalExtension interface { ScanIdent(s string) (Token, bool) ParseStep(t Token, p GremlinTraversalContext) (GremlinTraversalStep, error) }
GremlinTraversalExtension interface for Gremlin language extension
type GremlinTraversalParser ¶
GremlinTraversalParser describes a parser of gremlin graph expression The mechanism is based on Reduce and Exec steps
func NewGremlinTraversalParser ¶
func NewGremlinTraversalParser() *GremlinTraversalParser
NewGremlinTraversalParser creates a new gremlin language parser on the graph
func (*GremlinTraversalParser) AddTraversalExtension ¶
func (p *GremlinTraversalParser) AddTraversalExtension(e GremlinTraversalExtension)
AddTraversalExtension registers a new gremlin traversal extension
func (*GremlinTraversalParser) Parse ¶
func (p *GremlinTraversalParser) Parse(r io.Reader) (*GremlinTraversalSequence, error)
Parse the Gremlin language and returns a traversal sequence
type GremlinTraversalScanner ¶
type GremlinTraversalScanner struct {
// contains filtered or unexported fields
}
GremlinTraversalScanner describes a buffer scanner for Gremlin expression extension
func NewGremlinTraversalScanner ¶
func NewGremlinTraversalScanner(r io.Reader, e []GremlinTraversalExtension) *GremlinTraversalScanner
NewGremlinTraversalScanner creates a new Gremlin expression scanner
func (*GremlinTraversalScanner) Scan ¶
func (s *GremlinTraversalScanner) Scan() (tok Token, lit string)
Scan and returns tokens
type GremlinTraversalSequence ¶
type GremlinTraversalSequence struct { GraphTraversal *GraphTraversal // contains filtered or unexported fields }
GremlinTraversalSequence describes a sequence of steps
func (*GremlinTraversalSequence) Exec ¶
func (s *GremlinTraversalSequence) Exec(g *graph.Graph, lockGraph bool) (GraphTraversalStep, error)
Exec sequence step
type GremlinTraversalStep ¶
type GremlinTraversalStep interface { Exec(last GraphTraversalStep) (GraphTraversalStep, error) Reduce(previous GremlinTraversalStep) (GremlinTraversalStep, error) Context() *GremlinTraversalContext }
GremlinTraversalStep describes a step
type GremlinTraversalStepAs ¶ added in v0.19.0
type GremlinTraversalStepAs struct {
GremlinTraversalContext
}
GremlinTraversalStepAs step
func (*GremlinTraversalStepAs) Exec ¶ added in v0.19.0
func (s *GremlinTraversalStepAs) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec As step
func (*GremlinTraversalStepAs) Reduce ¶ added in v0.19.0
func (s *GremlinTraversalStepAs) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce As step
type GremlinTraversalStepBoth ¶ added in v0.5.0
type GremlinTraversalStepBoth struct {
GremlinTraversalContext
}
GremlinTraversalStepBoth step
func (*GremlinTraversalStepBoth) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepBoth) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Both step
func (*GremlinTraversalStepBoth) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepBoth) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Both step
type GremlinTraversalStepBothE ¶ added in v0.12.0
type GremlinTraversalStepBothE struct {
GremlinTraversalContext
}
GremlinTraversalStepBothE step
func (*GremlinTraversalStepBothE) Exec ¶ added in v0.12.0
func (s *GremlinTraversalStepBothE) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec BothE step
func (*GremlinTraversalStepBothE) Reduce ¶ added in v0.12.0
func (s *GremlinTraversalStepBothE) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce BothE step
type GremlinTraversalStepBothV ¶ added in v0.13.0
type GremlinTraversalStepBothV struct {
GremlinTraversalContext
}
GremlinTraversalStepBothV step
func (*GremlinTraversalStepBothV) Exec ¶ added in v0.13.0
func (s *GremlinTraversalStepBothV) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec BothV step
func (*GremlinTraversalStepBothV) Reduce ¶ added in v0.13.0
func (s *GremlinTraversalStepBothV) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce BothV step
type GremlinTraversalStepContext ¶ added in v0.5.0
type GremlinTraversalStepContext struct {
GremlinTraversalContext
}
GremlinTraversalStepContext step
func (*GremlinTraversalStepContext) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepContext) Exec(last GraphTraversalStep) (_ GraphTraversalStep, err error)
Exec Context step
func (*GremlinTraversalStepContext) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepContext) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Context step
type GremlinTraversalStepCount ¶ added in v0.5.0
type GremlinTraversalStepCount struct {
GremlinTraversalContext
}
GremlinTraversalStepCount step
func (*GremlinTraversalStepCount) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepCount) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Count step
func (*GremlinTraversalStepCount) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepCount) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Count step
type GremlinTraversalStepDedup ¶ added in v0.5.0
type GremlinTraversalStepDedup struct {
GremlinTraversalContext
}
GremlinTraversalStepDedup step
func (*GremlinTraversalStepDedup) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepDedup) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Dedup step
func (*GremlinTraversalStepDedup) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepDedup) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Dedup step
type GremlinTraversalStepE ¶ added in v0.5.0
type GremlinTraversalStepE struct {
GremlinTraversalContext
}
GremlinTraversalStepE step
func (*GremlinTraversalStepE) Exec ¶ added in v0.12.0
func (s *GremlinTraversalStepE) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec E step
func (*GremlinTraversalStepE) Reduce ¶ added in v0.12.0
func (s *GremlinTraversalStepE) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce E step
type GremlinTraversalStepG ¶ added in v0.5.0
type GremlinTraversalStepG struct {
GremlinTraversalContext
}
GremlinTraversalStepG step
func (*GremlinTraversalStepG) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepG) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec G step
func (*GremlinTraversalStepG) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepG) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce G step
type GremlinTraversalStepHas ¶ added in v0.5.0
type GremlinTraversalStepHas struct {
GremlinTraversalContext
}
GremlinTraversalStepHas step
func (*GremlinTraversalStepHas) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepHas) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Has step
func (*GremlinTraversalStepHas) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepHas) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Has step
type GremlinTraversalStepHasEither ¶ added in v0.21.0
type GremlinTraversalStepHasEither struct {
GremlinTraversalContext
}
GremlinTraversalStepHasEither step
func (*GremlinTraversalStepHasEither) Exec ¶ added in v0.21.0
func (s *GremlinTraversalStepHasEither) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec HasEither
func (*GremlinTraversalStepHasEither) Reduce ¶ added in v0.21.0
func (s *GremlinTraversalStepHasEither) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce HasEither step
type GremlinTraversalStepHasKey ¶ added in v0.10.0
type GremlinTraversalStepHasKey struct {
GremlinTraversalContext
}
GremlinTraversalStepHasKey step
func (*GremlinTraversalStepHasKey) Exec ¶ added in v0.10.0
func (s *GremlinTraversalStepHasKey) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec HasKey step
func (*GremlinTraversalStepHasKey) Reduce ¶ added in v0.10.0
func (s *GremlinTraversalStepHasKey) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce HasKey step
type GremlinTraversalStepHasNot ¶ added in v0.10.0
type GremlinTraversalStepHasNot struct {
GremlinTraversalContext
}
GremlinTraversalStepHasNot step
func (*GremlinTraversalStepHasNot) Exec ¶ added in v0.10.0
func (s *GremlinTraversalStepHasNot) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec HasNot
func (*GremlinTraversalStepHasNot) Reduce ¶ added in v0.10.0
func (s *GremlinTraversalStepHasNot) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce HasNot step
type GremlinTraversalStepIn ¶ added in v0.5.0
type GremlinTraversalStepIn struct {
GremlinTraversalContext
}
GremlinTraversalStepIn step
func (*GremlinTraversalStepIn) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepIn) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec In step
func (*GremlinTraversalStepIn) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepIn) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce In step
type GremlinTraversalStepInE ¶ added in v0.5.0
type GremlinTraversalStepInE struct {
GremlinTraversalContext
}
GremlinTraversalStepInE step
func (*GremlinTraversalStepInE) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepInE) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec InE step
func (*GremlinTraversalStepInE) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepInE) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce InE step
type GremlinTraversalStepInV ¶ added in v0.5.0
type GremlinTraversalStepInV struct {
GremlinTraversalContext
}
GremlinTraversalStepInV step
func (*GremlinTraversalStepInV) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepInV) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec InV step
func (*GremlinTraversalStepInV) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepInV) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce InV step
type GremlinTraversalStepKeys ¶ added in v0.8.0
type GremlinTraversalStepKeys struct {
GremlinTraversalContext
}
GremlinTraversalStepKeys step
func (*GremlinTraversalStepKeys) Exec ¶ added in v0.8.0
func (s *GremlinTraversalStepKeys) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Keys step
func (*GremlinTraversalStepKeys) Reduce ¶ added in v0.8.0
func (s *GremlinTraversalStepKeys) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Keys step
type GremlinTraversalStepLimit ¶ added in v0.6.0
type GremlinTraversalStepLimit struct {
GremlinTraversalContext
}
GremlinTraversalStepLimit step
func (*GremlinTraversalStepLimit) Exec ¶ added in v0.6.0
func (s *GremlinTraversalStepLimit) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Limit step
func (*GremlinTraversalStepLimit) Reduce ¶ added in v0.6.0
func (s *GremlinTraversalStepLimit) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Limit step
type GremlinTraversalStepOut ¶ added in v0.5.0
type GremlinTraversalStepOut struct {
GremlinTraversalContext
}
GremlinTraversalStepOut step
func (*GremlinTraversalStepOut) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepOut) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Out step
func (*GremlinTraversalStepOut) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepOut) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Out step
type GremlinTraversalStepOutE ¶ added in v0.5.0
type GremlinTraversalStepOutE struct {
GremlinTraversalContext
}
GremlinTraversalStepOutE step
func (*GremlinTraversalStepOutE) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepOutE) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec OutE step
func (*GremlinTraversalStepOutE) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepOutE) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce OutE step
type GremlinTraversalStepOutV ¶ added in v0.5.0
type GremlinTraversalStepOutV struct {
GremlinTraversalContext
}
GremlinTraversalStepOutV step
func (*GremlinTraversalStepOutV) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepOutV) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec OutV step
func (*GremlinTraversalStepOutV) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepOutV) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce OutV step
type GremlinTraversalStepRange ¶ added in v0.6.0
type GremlinTraversalStepRange struct {
GremlinTraversalContext
}
GremlinTraversalStepRange step
func (*GremlinTraversalStepRange) Exec ¶ added in v0.6.0
func (s *GremlinTraversalStepRange) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Range step
func (*GremlinTraversalStepRange) Reduce ¶ added in v0.6.0
func (s *GremlinTraversalStepRange) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Range step
type GremlinTraversalStepSelect ¶ added in v0.19.0
type GremlinTraversalStepSelect struct {
GremlinTraversalContext
}
GremlinTraversalStepSelect step
func (*GremlinTraversalStepSelect) Exec ¶ added in v0.19.0
func (s *GremlinTraversalStepSelect) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Select step
func (*GremlinTraversalStepSelect) Reduce ¶ added in v0.19.0
func (s *GremlinTraversalStepSelect) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce As step
type GremlinTraversalStepShortestPathTo ¶ added in v0.5.0
type GremlinTraversalStepShortestPathTo struct {
GremlinTraversalContext
}
GremlinTraversalStepShortestPathTo step
func (*GremlinTraversalStepShortestPathTo) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepShortestPathTo) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec ShortestPathTo step
func (*GremlinTraversalStepShortestPathTo) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepShortestPathTo) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce ShortestPathTo step
type GremlinTraversalStepSort ¶ added in v0.7.0
type GremlinTraversalStepSort struct {
GremlinTraversalContext
}
GremlinTraversalStepSort step
func (*GremlinTraversalStepSort) Exec ¶ added in v0.7.0
func (s *GremlinTraversalStepSort) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Sort step
func (*GremlinTraversalStepSort) Reduce ¶ added in v0.7.0
func (s *GremlinTraversalStepSort) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Sort step
type GremlinTraversalStepSubGraph ¶ added in v0.13.0
type GremlinTraversalStepSubGraph struct {
GremlinTraversalContext
}
GremlinTraversalStepSubGraph step
func (*GremlinTraversalStepSubGraph) Exec ¶ added in v0.13.0
func (s *GremlinTraversalStepSubGraph) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec SubGraph step
func (*GremlinTraversalStepSubGraph) Reduce ¶ added in v0.13.0
func (s *GremlinTraversalStepSubGraph) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce SubGraph step
type GremlinTraversalStepSum ¶ added in v0.8.0
type GremlinTraversalStepSum struct {
GremlinTraversalContext
}
GremlinTraversalStepSum step
func (*GremlinTraversalStepSum) Exec ¶ added in v0.8.0
func (s *GremlinTraversalStepSum) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Sum step
func (*GremlinTraversalStepSum) Reduce ¶ added in v0.8.0
func (s *GremlinTraversalStepSum) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Sum step
type GremlinTraversalStepV ¶ added in v0.5.0
type GremlinTraversalStepV struct {
GremlinTraversalContext
}
GremlinTraversalStepV step
func (*GremlinTraversalStepV) Exec ¶ added in v0.5.0
func (s *GremlinTraversalStepV) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec V step
func (*GremlinTraversalStepV) Reduce ¶ added in v0.5.0
func (s *GremlinTraversalStepV) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce V step
type GremlinTraversalStepValues ¶ added in v0.8.0
type GremlinTraversalStepValues struct {
GremlinTraversalContext
}
GremlinTraversalStepValues step
func (*GremlinTraversalStepValues) Exec ¶ added in v0.8.0
func (s *GremlinTraversalStepValues) Exec(last GraphTraversalStep) (GraphTraversalStep, error)
Exec Values step
func (*GremlinTraversalStepValues) Reduce ¶ added in v0.8.0
func (s *GremlinTraversalStepValues) Reduce(next GremlinTraversalStep) (GremlinTraversalStep, error)
Reduce Values step
type IPV4RangeElementMatcher ¶ added in v0.21.0
type IPV4RangeElementMatcher struct {
// contains filtered or unexported fields
}
IPV4RangeElementMatcher matches ipv4 contained in an ipv4 range
func IPV4Range ¶ added in v0.13.0
func IPV4Range(s interface{}) *IPV4RangeElementMatcher
IPV4Range predicate
type InsideElementMatcher ¶ added in v0.21.0
type InsideElementMatcher struct {
// contains filtered or unexported fields
}
InsideElementMatcher describes a list of metadata that match inside the range from, to
func Inside ¶ added in v0.5.0
func Inside(from, to interface{}) *InsideElementMatcher
Inside predicate
type LTEElementMatcher ¶ added in v0.21.0
type LTEElementMatcher struct {
// contains filtered or unexported fields
}
LTEElementMatcher describes a list of metadata that match Less Than Equal
type LTElementMatcher ¶ added in v0.21.0
type LTElementMatcher struct {
// contains filtered or unexported fields
}
LTElementMatcher describes a list of metadata that match LessThan
type NEElementMatcher ¶ added in v0.21.0
type NEElementMatcher struct {
// contains filtered or unexported fields
}
NEElementMatcher describes a list of metadata that match NotEqual
type NowPredicate ¶ added in v0.18.0
type NowPredicate struct{}
NowPredicate describes a current time in the history
type OutsideElementMatcher ¶ added in v0.21.0
type OutsideElementMatcher struct {
// contains filtered or unexported fields
}
OutsideElementMatcher describes a list of metadata that match outside the range from, to
func Outside ¶ added in v0.5.0
func Outside(from, to interface{}) *OutsideElementMatcher
Outside predicate
type RegexElementMatcher ¶ added in v0.21.0
type RegexElementMatcher struct {
// contains filtered or unexported fields
}
RegexElementMatcher describes a list of metadata that match a regex
type Since ¶ added in v0.8.0
type Since struct {
Seconds int64
}
Since describes a list of metadata that match since seconds
type StepContext ¶ added in v0.20.0
type StepContext struct {
PaginationRange *GraphTraversalRange
}
StepContext a step within a context
type Token ¶
type Token int
Token represents a lexical token.
const ( // Special tokens ILLEGAL Token = iota EOF WS // Literals IDENT // Misc characters COMMA DOT LEFTPARENTHESIS RIGHTPARENTHESIS STRING NUMBER // Keywords G V E HAS HASKEY HASNOT HASEITHER OUT IN OUTV INV BOTHV OUTE INE BOTHE DEDUP WITHIN WITHOUT METADATA SHORTESTPATHTO NE BOTH CONTEXT REGEX LT GT LTE GTE INSIDE OUTSIDE BETWEEN COUNT RANGE LIMIT SORT VALUES KEYS SUM ASC DESC IPV4RANGE SUBGRAPH FOREVER NOW AS SELECT TRUE FALSE )
Default language token, extension token start at 1000
type WithinElementMatcher ¶ added in v0.21.0
type WithinElementMatcher struct {
List []interface{}
}
WithinElementMatcher describes a list of metadata that should match (within)
type WithoutElementMatcher ¶ added in v0.21.0
type WithoutElementMatcher struct {
// contains filtered or unexported fields
}
WithoutElementMatcher describes a list of metadata that shouldn't match (without)