Package com.yahoo.vespa.model.ml

Class ConvertedModel

java.lang.Object

com.yahoo.vespa.model.ml.ConvertedModel

public class ConvertedModel
extends java.lang.Object

A machine learned model imported from the models/ directory in the application package, for a single rank profile. This encapsulates the difference between reading a model - from a file application package, where it is represented by an ImportedModel, and - from a ZK application package, where the models/ directory is unavailable and models are read from generated files stored in file distribution or ZooKeeper.

Author:

bratseth

Method Summary

Modifier and Type	Method	Description
com.yahoo.searchlib.rankingexpression.rule.ExpressionNode	expression(FeatureArguments arguments, RankProfileTransformContext context)	Returns the expression matching the given arguments.
java.util.Map<java.lang.String,com.yahoo.searchlib.rankingexpression.ExpressionFunction>	expressions()	Returns all the output expressions of this indexed by name.
static ConvertedModel	fromSource(ModelName modelName, java.lang.String modelDescription, RankProfile rankProfile, com.yahoo.search.query.profile.QueryProfileRegistry queryProfileRegistry, ai.vespa.rankingexpression.importer.configmodelview.ImportedMlModel importedModel)
static ConvertedModel	fromSourceOrStore(com.yahoo.path.Path modelPath, boolean pathIsFile, RankProfileTransformContext context)	Create and store a converted model for a rank profile given from either an imported model, or (if unavailable) from stored application package data.
static ConvertedModel	fromStore(ModelName modelName, java.lang.String modelDescription, RankProfile rankProfile)
static java.io.File	sourceModelFile(com.yahoo.config.application.api.ApplicationPackage application, com.yahoo.path.Path sourceModelPath)	Returns the directory which contains the source model to use for these arguments
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

fromSourceOrStore

public static ConvertedModel fromSourceOrStore(com.yahoo.path.Path modelPath,
                                               boolean pathIsFile,
                                               RankProfileTransformContext context)

Create and store a converted model for a rank profile given from either an imported model, or (if unavailable) from stored application package data.

Parameters:

modelPath - the path to the model

pathIsFile - true if that path (this kind of model) is stored in a file, false if it is in a directory

fromSource

public static ConvertedModel fromSource(ModelName modelName,
                                        java.lang.String modelDescription,
                                        RankProfile rankProfile,
                                        com.yahoo.search.query.profile.QueryProfileRegistry queryProfileRegistry,
                                        ai.vespa.rankingexpression.importer.configmodelview.ImportedMlModel importedModel)

fromStore

public static ConvertedModel fromStore(ModelName modelName,
                                       java.lang.String modelDescription,
                                       RankProfile rankProfile)

expressions

public java.util.Map<java.lang.String,com.yahoo.searchlib.rankingexpression.ExpressionFunction> expressions()

Returns all the output expressions of this indexed by name. The names consist of one or two parts separated by dot, where the first part is the signature name if signatures are used, or the expression name if signatures are not used and there are multiple expressions, and the second is the output name if signature names are used.

expression

public com.yahoo.searchlib.rankingexpression.rule.ExpressionNode expression(FeatureArguments arguments,
                                                                            RankProfileTransformContext context)

Returns the expression matching the given arguments.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

sourceModelFile

public static java.io.File sourceModelFile(com.yahoo.config.application.api.ApplicationPackage application,
                                           com.yahoo.path.Path sourceModelPath)

Returns the directory which contains the source model to use for these arguments