traversal

package
v0.0.0-...-5b448de Latest Latest
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 Go to latest Published: Aug 15, 2017 License: Apache-2.0 Imports: 13 Imported by: 0

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Constants

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Variables

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Functions

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Types

type AggregatesGremlinTraversalStep 

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

AggregatesGremlinTraversalStep Aggregates step

func (*AggregatesGremlinTraversalStep) Context 

func (a *AggregatesGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context Aggregates step

func (*AggregatesGremlinTraversalStep) Exec 

func (a *AggregatesGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec Aggregates step

func (*AggregatesGremlinTraversalStep) Reduce 

func (a *AggregatesGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce Aggregates step

type CaptureNodeGremlinTraversalStep 

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

CaptureNodeGremlinTraversalStep capture step

func (*CaptureNodeGremlinTraversalStep) Context 

func (s *CaptureNodeGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context step

func (*CaptureNodeGremlinTraversalStep) Exec 

func (s *CaptureNodeGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec Capture step

func (*CaptureNodeGremlinTraversalStep) Reduce 

func (s *CaptureNodeGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce Capture step

type FlowGremlinTraversalStep 

type FlowGremlinTraversalStep struct {
	TableClient *flow.TableClient
	Storage     storage.Storage
	// contains filtered or unexported fields
}

FlowGremlinTraversalStep a flow Gremlin language step

func (*FlowGremlinTraversalStep) Context 

func (s *FlowGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context flow step

func (*FlowGremlinTraversalStep) Exec 

func (s *FlowGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec flow step

func (*FlowGremlinTraversalStep) Reduce 

func (s *FlowGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce flow step

type FlowTraversalExtension 

type FlowTraversalExtension struct {
	FlowToken        traversal.Token
	HopsToken        traversal.Token
	NodesToken       traversal.Token
	CaptureNodeToken traversal.Token
	AggregatesToken  traversal.Token
	TableClient      *flow.TableClient
	Storage          storage.Storage
}

FlowTraversalExtension describes flows in a graph Gremlin language extension

func NewFlowTraversalExtension 

func NewFlowTraversalExtension(client *flow.TableClient, storage storage.Storage) *FlowTraversalExtension

NewFlowTraversalExtension creates a new flow tranversal extension for Gremlin parser

func (*FlowTraversalExtension) ParseStep 

func (e *FlowTraversalExtension) ParseStep(t traversal.Token, p traversal.GremlinTraversalContext) (traversal.GremlinTraversalStep, error)

ParseStep creates steps from token

func (*FlowTraversalExtension) ScanIdent 

func (e *FlowTraversalExtension) ScanIdent(s string) (traversal.Token, bool)

ScanIdent tokenize the step

type FlowTraversalStep 

type FlowTraversalStep struct {
	GraphTraversal *traversal.GraphTraversal
	Storage        storage.Storage
	// contains filtered or unexported fields
}

FlowTraversalStep a flow step linked to a storage

func (*FlowTraversalStep) Both 

func (f *FlowTraversalStep) Both(s ...interface{}) *traversal.GraphTraversalV

Both way step

func (*FlowTraversalStep) CaptureNode 

func (f *FlowTraversalStep) CaptureNode(s ...interface{}) *traversal.GraphTraversalV

CaptureNode step

func (*FlowTraversalStep) Count 

func (f *FlowTraversalStep) Count(s ...interface{}) *traversal.GraphTraversalValue

Count step

func (*FlowTraversalStep) Dedup 

func (f *FlowTraversalStep) Dedup(keys ...interface{}) *FlowTraversalStep

Dedup deduplicate step

func (*FlowTraversalStep) Error 

func (f *FlowTraversalStep) Error() error

Error returns tranversal error

func (*FlowTraversalStep) Has 

func (f *FlowTraversalStep) Has(s ...interface{}) *FlowTraversalStep

Has step

func (*FlowTraversalStep) Hops 

func (f *FlowTraversalStep) Hops(s ...interface{}) *traversal.GraphTraversalV

Hops step

func (*FlowTraversalStep) In 

func (f *FlowTraversalStep) In(s ...interface{}) *traversal.GraphTraversalV

In way step

func (*FlowTraversalStep) MarshalJSON 

func (f *FlowTraversalStep) MarshalJSON() ([]byte, error)

MarshalJSON serialize in JSON

func (*FlowTraversalStep) Metrics 

func (f *FlowTraversalStep) Metrics() *traversal.MetricsTraversalStep

Metrics returns flow mertics interface counters

func (*FlowTraversalStep) Nodes 

func (f *FlowTraversalStep) Nodes(s ...interface{}) *traversal.GraphTraversalV

Nodes step

func (*FlowTraversalStep) Out 

func (f *FlowTraversalStep) Out(s ...interface{}) *traversal.GraphTraversalV

Out way step

func (*FlowTraversalStep) PropertyKeys 

func (f *FlowTraversalStep) PropertyKeys(keys ...interface{}) *traversal.GraphTraversalValue

PropertyKeys returns a flow fileds

func (*FlowTraversalStep) PropertyValues 

func (f *FlowTraversalStep) PropertyValues(keys ...interface{}) *traversal.GraphTraversalValue

PropertyValues returns a flow field value

func (*FlowTraversalStep) Sort 

func (f *FlowTraversalStep) Sort(keys ...interface{}) *FlowTraversalStep

Sort step

func (*FlowTraversalStep) Sum 

func (f *FlowTraversalStep) Sum(keys ...interface{}) *traversal.GraphTraversalValue

Sum aggregates integer values mapped by 'key' cross flows

func (*FlowTraversalStep) Values 

func (f *FlowTraversalStep) Values() []interface{}

Values returns flows

type HopsGremlinTraversalStep 

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

HopsGremlinTraversalStep hops step

func (*HopsGremlinTraversalStep) Context 

func (s *HopsGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context hops step

func (*HopsGremlinTraversalStep) Exec 

func (s *HopsGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec hops step

func (*HopsGremlinTraversalStep) Reduce 

func (s *HopsGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce hops step

type NodesGremlinTraversalStep 

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

NodesGremlinTraversalStep nodes step

func (*NodesGremlinTraversalStep) Context 

func (s *NodesGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context Nodes step

func (*NodesGremlinTraversalStep) Exec 

func (s *NodesGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec Nodes step

func (*NodesGremlinTraversalStep) Reduce 

func (s *NodesGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce Nodes step

Source Files

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