Uses of Interface
com.pervasive.datarush.operators.MetadataCalculationContext

Packages that use MetadataCalculationContext

Package	Description
com.pervasive.datarush.analytics.pmml	Provides shared and base classes for PMML model representation of Analytics algorithms.
com.pervasive.datarush.operators	Provides classes and interfaces for developing dataflow operators.
com.pervasive.datarush.ports.model	Provides implementations of port objects dealing with the flow of single objects between operators.
com.pervasive.datarush.ports.record	Provides implementations of port objects related to the flow of record sets between operators.

Uses of MetadataCalculationContext in com.pervasive.datarush.analytics.pmml

Methods in com.pervasive.datarush.analytics.pmml with parameters of type MetadataCalculationContext

Modifier and Type	Method and Description
void	PMMLPort.setPMMLModelSpec(MetadataCalculationContext ctx, PMMLModelSpec spec) Setter to be used to set the PMMLModelSpec for PMML ports.

Uses of MetadataCalculationContext in com.pervasive.datarush.operators

Subinterfaces of MetadataCalculationContext in com.pervasive.datarush.operators

Modifier and Type	Interface and Description
interface	IterativeMetadataContext Context used by IterativeOperator.computeMetadata(IterativeMetadataContext).
interface	StreamingMetadataContext Context used when computing metadata via StreamingOperator.computeMetadata(StreamingMetadataContext).

Methods in com.pervasive.datarush.operators with parameters of type MetadataCalculationContext

Modifier and Type	Method and Description
abstract Integer	ParallelismStrategy.maxParallelism(Integer configuredParallelism, MetadataCalculationContext ctx) Public only as a matter of implementation; operators should not call this method.

Uses of MetadataCalculationContext in com.pervasive.datarush.ports.model

Methods in com.pervasive.datarush.ports.model with parameters of type MetadataCalculationContext

Modifier and Type	Method and Description
void	AbstractModelPort.setMergeHandler(MetadataCalculationContext ctx, ModelMergeHandler<T> mergeHandler) Sets the merge handler for the input port

Uses of MetadataCalculationContext in com.pervasive.datarush.ports.record

Methods in com.pervasive.datarush.ports.record with parameters of type MetadataCalculationContext

Modifier and Type	Method and Description
static KeyDrivenDataDistribution	MetadataUtil.negotiateGrouping(MetadataCalculationContext ctx, RecordPort port, SortKey... keys) Negotiates the required data distribution on the specified port using the given grouping fields with sort ordering.
static KeyDrivenDataDistribution	MetadataUtil.negotiateGrouping(MetadataCalculationContext ctx, RecordPort port, String... keys) Negotiates the required data ordering and distribution on the specified port using the given grouping fields.
static DataOrdering	MetadataUtil.negotiateOrdering(MetadataCalculationContext ctx, RecordPort port, String... keys) Negotiates the required data ordering on the specified port using the given key fields.
void	RecordPort.setOutputDataDistribution(MetadataCalculationContext ctx, DataDistribution distribution) Sets the data partitioning associated with the given record port.
void	RecordPort.setOutputDataOrdering(MetadataCalculationContext ctx, DataOrdering ordering) Sets the data ordering associated with this output port.
void	RecordPort.setRequiredDataDistribution(MetadataCalculationContext ctx, DataDistribution distribution) Sets the required data distribution of this input port.
void	RecordPort.setRequiredDataOrdering(MetadataCalculationContext ctx, DataOrdering ordering) Sets the required data ordering of the given input.
void	RecordPort.setType(MetadataCalculationContext ctx, RecordTokenType type) Sets the type associated with this port.