pipeline

package
v0.12.0 Latest Latest
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 Go to latest Published: Sep 10, 2019 License: Apache-2.0 Imports: 10 Imported by: 13

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Functions

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Types

type AggregationOp 

type AggregationOp struct {
	// Type of aggregation performed.
	Type aggregation.Type
}

AggregationOp is an aggregation operation.

func NewAggregationOpFromProto 

func NewAggregationOpFromProto(pb *pipelinepb.AggregationOp) (AggregationOp, error)

NewAggregationOpFromProto creates a new aggregation op from proto.

func (AggregationOp) Clone 

func (op AggregationOp) Clone() AggregationOp

Clone clones the aggregation operation.

func (AggregationOp) Equal 

func (op AggregationOp) Equal(other AggregationOp) bool

Equal determines whether two aggregation operations are equal.

func (AggregationOp) MarshalText added in v0.12.0 

func (op AggregationOp) MarshalText() ([]byte, error)

MarshalText returns the text encoding of an aggregation operation.

func (AggregationOp) Proto 

func (op AggregationOp) Proto() (*pipelinepb.AggregationOp, error)

Proto returns the proto message for the given aggregation operation.

func (AggregationOp) String 

func (op AggregationOp) String() string

func (*AggregationOp) UnmarshalText added in v0.12.0 

func (op *AggregationOp) UnmarshalText(data []byte) error

UnmarshalText unmarshals text-encoded data into an aggregation operation.

type OpType 

type OpType int

OpType defines the type of an operation. 

const (
	UnknownOpType OpType = iota
	AggregationOpType
	TransformationOpType
	RollupOpType
)

List of supported operation types.

func (OpType) String 

func (i OpType) String() string

type OpUnion 

type OpUnion struct {
	Type           OpType
	Aggregation    AggregationOp
	Transformation TransformationOp
	Rollup         RollupOp
}

OpUnion is a union of different types of operation.

func NewOpUnionFromProto 

func NewOpUnionFromProto(pb pipelinepb.PipelineOp) (OpUnion, error)

NewOpUnionFromProto creates a new operation union from proto.

func (OpUnion) Clone 

func (u OpUnion) Clone() OpUnion

Clone clones an operation union.

func (OpUnion) Equal 

func (u OpUnion) Equal(other OpUnion) bool

Equal determines whether two operation unions are equal.

func (OpUnion) MarshalJSON 

func (u OpUnion) MarshalJSON() ([]byte, error)

MarshalJSON returns the JSON encoding of an operation union.

func (OpUnion) MarshalYAML added in v0.12.0 

func (u OpUnion) MarshalYAML() (interface{}, error)

MarshalJSON returns the JSON encoding of an operation union.

func (OpUnion) Proto 

func (u OpUnion) Proto() (*pipelinepb.PipelineOp, error)

Proto creates a proto message for the given operation.

func (OpUnion) String 

func (u OpUnion) String() string

func (*OpUnion) UnmarshalJSON 

func (u *OpUnion) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals JSON-encoded data into an operation union.

func (*OpUnion) UnmarshalYAML 

func (u *OpUnion) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML unmarshals YAML-encoded data into an operation union.

type Pipeline 

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

Pipeline is a pipeline of operations.

func NewPipeline 

func NewPipeline(ops []OpUnion) Pipeline

NewPipeline creates a new pipeline.

func NewPipelineFromProto 

func NewPipelineFromProto(pb *pipelinepb.Pipeline) (Pipeline, error)

NewPipelineFromProto creates a new pipeline from proto.

func (Pipeline) At 

func (p Pipeline) At(i int) OpUnion

At returns the operation at a given step.

func (Pipeline) Clone 

func (p Pipeline) Clone() Pipeline

Clone clones the pipeline.

func (Pipeline) Equal 

func (p Pipeline) Equal(other Pipeline) bool

Equal determines whether two pipelines are equal.

func (Pipeline) IsEmpty 

func (p Pipeline) IsEmpty() bool

IsEmpty determines whether a pipeline is empty.

func (Pipeline) Len 

func (p Pipeline) Len() int

Len returns the number of steps in a pipeline.

func (Pipeline) MarshalJSON 

func (p Pipeline) MarshalJSON() ([]byte, error)

MarshalJSON returns the JSON encoding of a pipeline.

func (Pipeline) MarshalYAML added in v0.12.0 

func (p Pipeline) MarshalYAML() (interface{}, error)

MarshalYAML returns the YAML representation.

func (Pipeline) Proto 

func (p Pipeline) Proto() (*pipelinepb.Pipeline, error)

Proto returns the proto message for a given pipeline.

func (Pipeline) String 

func (p Pipeline) String() string

func (Pipeline) SubPipeline 

func (p Pipeline) SubPipeline(startInclusive int, endExclusive int) Pipeline

SubPipeline returns a sub-pipeline containing operations between step `startInclusive` and step `endExclusive` of the current pipeline.

func (*Pipeline) UnmarshalJSON 

func (p *Pipeline) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals JSON-encoded data into a pipeline.

func (*Pipeline) UnmarshalYAML 

func (p *Pipeline) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML unmarshals YAML-encoded data into a pipeline.

type RollupOp 

type RollupOp struct {
	// New metric name generated as a result of the rollup.
	NewName []byte
	// Dimensions along which the rollup is performed.
	Tags [][]byte
	// Types of aggregation performed within each unique dimension combination.
	AggregationID aggregation.ID
}

RollupOp is a rollup operation.

func NewRollupOpFromProto 

func NewRollupOpFromProto(pb *pipelinepb.RollupOp) (RollupOp, error)

NewRollupOpFromProto creates a new rollup op from proto. NB: the rollup tags are always sorted on construction.

func (RollupOp) Clone 

func (op RollupOp) Clone() RollupOp

Clone clones the rollup operation.

func (RollupOp) Equal 

func (op RollupOp) Equal(other RollupOp) bool

Equal returns true if two rollup operations are equal.

func (RollupOp) MarshalJSON 

func (op RollupOp) MarshalJSON() ([]byte, error)

MarshalJSON returns the JSON encoding of a rollup operation.

func (RollupOp) MarshalYAML added in v0.12.0 

func (op RollupOp) MarshalYAML() (interface{}, error)

MarshalYAML returns the YAML representation of this type.

func (RollupOp) Proto 

func (op RollupOp) Proto() (*pipelinepb.RollupOp, error)

Proto returns the proto message for the given rollup op.

func (RollupOp) SameTransform 

func (op RollupOp) SameTransform(other RollupOp) bool

SameTransform returns true if the two rollup operations have the same rollup transformation (i.e., same new rollup metric name and same set of rollup tags).

func (RollupOp) String 

func (op RollupOp) String() string

func (*RollupOp) UnmarshalJSON 

func (op *RollupOp) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals JSON-encoded data into a rollup operation.

func (*RollupOp) UnmarshalYAML 

func (op *RollupOp) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML unmarshals YAML-encoded data into a rollup operation.

type TransformationOp 

type TransformationOp struct {
	// Type of transformation performed.
	Type transformation.Type
}

TransformationOp is a transformation operation.

func NewTransformationOpFromProto 

func NewTransformationOpFromProto(pb *pipelinepb.TransformationOp) (TransformationOp, error)

NewTransformationOpFromProto creates a new transformation op from proto.

func (TransformationOp) Clone 

func (op TransformationOp) Clone() TransformationOp

Clone clones the transformation operation.

func (TransformationOp) Equal 

func (op TransformationOp) Equal(other TransformationOp) bool

Equal determines whether two transformation operations are equal.

func (*TransformationOp) FromProto 

func (op *TransformationOp) FromProto(pb *pipelinepb.TransformationOp) error

FromProto converts the protobuf message to a transformation in place.

func (TransformationOp) MarshalText added in v0.12.0 

func (op TransformationOp) MarshalText() (text []byte, err error)

MarshalText serializes this type to its textual representation.

func (TransformationOp) Proto 

func (op TransformationOp) Proto() (*pipelinepb.TransformationOp, error)

Proto returns the proto message for the given transformation op.

func (TransformationOp) String 

func (op TransformationOp) String() string

func (TransformationOp) ToProto 

func (op TransformationOp) ToProto(pb *pipelinepb.TransformationOp) error

ToProto converts the transformation op to a protobuf message in place.

func (*TransformationOp) UnmarshalText added in v0.12.0 

func (op *TransformationOp) UnmarshalText(text []byte) error

UnmarshalText extracts this type from its textual representation.

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