Package com.yahoo.schema

Class Schema

java.lang.Object
com.yahoo.schema.Schema
All Implemented Interfaces:
ImmutableSchema
Direct Known Subclasses:
DocumentOnlySchema
public class Schema extends Object implements ImmutableSchema
A schema contains a document type, additional fields, rank profiles and document summaries.
Author:
bratseth

  • Constructor Details

    • Schema

      public Schema(String name, com.yahoo.config.application.api.ApplicationPackage applicationPackage)
      Testing only

    • Schema

      public Schema(String name, com.yahoo.config.application.api.ApplicationPackage applicationPackage, com.yahoo.config.application.api.FileRegistry fileRegistry, com.yahoo.config.application.api.DeployLogger deployLogger, com.yahoo.config.model.api.ModelContext.Properties properties)

    • Schema

      public Schema(String name, com.yahoo.config.application.api.ApplicationPackage applicationPackage, Optional<String> inherited, com.yahoo.config.application.api.FileRegistry fileRegistry, com.yahoo.config.application.api.DeployLogger deployLogger, com.yahoo.config.model.api.ModelContext.Properties properties)
      Creates a schema
      Parameters:
      name - of the schema
      inherited - the schema this inherits, if any

    • Schema

      protected Schema(com.yahoo.config.application.api.ApplicationPackage applicationPackage, com.yahoo.config.application.api.FileRegistry fileRegistry, com.yahoo.config.application.api.DeployLogger deployLogger, com.yahoo.config.model.api.ModelContext.Properties properties)

  • Method Details

    • setOwner

      public void setOwner(Application owner)
      Assigns the owner of this
      Throws:
      IllegalStateException - if an owner is already assigned

    • setName

      protected void setName(String name)

    • getName

      public String getName()
      Specified by:
      getName in interface ImmutableSchema

    • isDocumentsOnly

      public boolean isDocumentsOnly()
      Returns true if this only defines a document type, not a full schema

    • inherited

      public Optional<Schema> inherited()
      Specified by:
      inherited in interface ImmutableSchema

    • isRawAsBase64

      public boolean isRawAsBase64()
      Returns true if 'raw' fields shall be presented as base64 in summary Note that this is temporary and will disappear on Vespa 8 as it will become default, and only option.
      Returns:
      true if raw shall be encoded as base64 in summary

    • enableRawAsBase64

      public void enableRawAsBase64(boolean value)

    • setStemming

      public void setStemming(Stemming stemming)
      Sets the stemming default of fields. Default is ALL
      Parameters:
      stemming - set default stemming for this schema
      Throws:
      NullPointerException - if this is attempted set to null

    • getStemming

      public Stemming getStemming()
      Returns whether fields should be stemmed by default or not. Default is BEST. This is never null.

    • addDocument

      public void addDocument(SDDocumentType document)
      Adds a document type which is defined in this search definition
      Parameters:
      document - the document type to add

    • rankExpressionFiles

      public LargeRankingExpressions rankExpressionFiles()
      Specified by:
      rankExpressionFiles in interface ImmutableSchema

    • add

      public void add(RankProfile.Constant constant)

    • declaredConstants

      public Map<com.yahoo.searchlib.rankingexpression.Reference,RankProfile.Constant> declaredConstants()
      Returns an unmodifiable map of the constants declared in this.

    • constants

      public Map<com.yahoo.searchlib.rankingexpression.Reference,RankProfile.Constant> constants()
      Returns an unmodifiable map of the constants available in this.
      Specified by:
      constants in interface ImmutableSchema

    • add

      public void add(OnnxModel model)

    • declaredOnnxModels

      public Map<String,OnnxModel> declaredOnnxModels()
      Returns an unmodifiable map of the onnx models declared in this.

    • onnxModels

      public Map<String,OnnxModel> onnxModels()
      Returns an unmodifiable map of the onnx models available in this.
      Specified by:
      onnxModels in interface ImmutableSchema

    • temporaryImportedFields

      public Optional<TemporaryImportedFields> temporaryImportedFields()

    • importedFields

      public Optional<ImportedFields> importedFields()

    • setImportedFields

      public void setImportedFields(ImportedFields importedFields)

    • allImportedFields

      public Stream<ImmutableSDField> allImportedFields()
      Specified by:
      allImportedFields in interface ImmutableSchema

    • getField

      public ImmutableSDField getField(String name)
      Specified by:
      getField in interface ImmutableSchema

    • fieldsOfThis

      public Map<String,SDField> fieldsOfThis()
      Returns a map of the fields defined explicitly in this schema (that is, not including inherited fields).

    • allFieldsList

      public List<ImmutableSDField> allFieldsList()
      Specified by:
      allFieldsList in interface ImmutableSchema

    • getDocument

      public SDDocumentType getDocument(String name)
      Gets a document from this search definition
      Parameters:
      name - the name of the document to return
      Returns:
      the contained or used document type, or null if there is no such document

    • hasDocument

      public boolean hasDocument()
      Returns true if the document has been added.

    • getDocument

      public SDDocumentType getDocument()
      Returns the document in this search.
      Specified by:
      getDocument in interface ImmutableSchema

    • allConcreteFields

      public List<SDField> allConcreteFields()
      Returns a list of all the fields of this schema, that is all fields in all documents, in the documents they inherit, and all extra fields. The caller receives ownership to the list - subsequent changes to it will not impact this.
      Specified by:
      allConcreteFields in interface ImmutableSchema

    • allConcreteFieldsWithSubFields

      public List<SDField> allConcreteFieldsWithSubFields()
      as allConcreteFields, but includes sub-fields for arrays of structs etc.

    • getRankingExpression

      public Reader getRankingExpression(String fileName)
      Returns the content of a ranking expression file
      Specified by:
      getRankingExpression in interface ImmutableSchema

    • application

      public Application application()

    • applicationPackage

      public com.yahoo.config.application.api.ApplicationPackage applicationPackage()
      Specified by:
      applicationPackage in interface ImmutableSchema

    • getDeployLogger

      public com.yahoo.config.application.api.DeployLogger getDeployLogger()
      Specified by:
      getDeployLogger in interface ImmutableSchema

    • getDeployProperties

      public com.yahoo.config.model.api.ModelContext.Properties getDeployProperties()
      Specified by:
      getDeployProperties in interface ImmutableSchema

    • getConcreteField

      public SDField getConcreteField(String name)
      Returns a field defined in this search definition or one if its documents. Fields in this search definition takes precedence over document fields having the same name
      Specified by:
      getConcreteField in interface ImmutableSchema
      Parameters:
      name - of the field
      Returns:
      the SDField representing the field

    • getDocumentField

      public SDField getDocumentField(String name)
      Returns a field defined in one of the documents of this schema. This does not include the extra fields defined outside the document (those accessible through the getExtraField() method).
      Parameters:
      name - the name of the field to return
      Returns:
      the named field, or null if not found

    • addExtraField

      public void addExtraField(SDField field)
      Adds an extra field of this search definition not contained in a document
      Parameters:
      field - to add to the schemas list of external fields

    • extraFieldList

      public Collection<SDField> extraFieldList()

    • allExtraFields

      public Collection<SDField> allExtraFields()

    • getExtraField

      public SDField getExtraField(String fieldName)
      Returns a field by name, or null if it is not present
      Parameters:
      fieldName - the name of the external field to get
      Returns:
      the SDField of this name

    • addIndex

      public void addIndex(Index index)
      Adds an explicitly defined index to this search definition
      Parameters:
      index - the index to add

    • getIndex

      public Index getIndex(String name)
      Returns an index, or null if no index with this name has had some explicit settings applied. Even if this returns null, the index may be implicitly defined by an indexing statement. This will return the index whether it is defined on this schema or on one of its fields.
      Specified by:
      getIndex in interface ImmutableSchema
      Parameters:
      name - the name of the index to get
      Returns:
      the index requested

    • existsIndex

      public boolean existsIndex(String name)

    • getExplicitIndices

      public List<Index> getExplicitIndices()
      All explicitly defined indices, both on this schema itself (returned first) and all its fields
      Specified by:
      getExplicitIndices in interface ImmutableSchema

    • addSummary

      public void addSummary(DocumentSummary summary)
      Adds an explicitly defined summary to this search definition

    • getSummary

      public DocumentSummary getSummary(String name)
      Returns a summary class defined by this search definition, or null if no summary with this name is defined. The default summary, named "default" is always present.

    • getSummaryField

      public SummaryField getSummaryField(String name)
      Returns the first explicit instance found of a summary field with this name, or null if not present (implicitly or explicitly) in any summary class.

    • getExplicitSummaryField

      public SummaryField getExplicitSummaryField(String name)
      Returns the first explicit instance found of a summary field with this name, or null if not present explicitly in any summary class
      Parameters:
      name - the name of the explicit summary field to get.
      Returns:
      the SummaryField found.

    • getSummaries

      public Map<String,DocumentSummary> getSummaries()
      Summaries defined by fields of this search definition. The default summary, named "default", is always the first one in the returned iterator.

    • getSummariesInThis

      public Map<String,DocumentSummary> getSummariesInThis()
      Returns the summaries defines in this only, not any that are inherited.

    • getSummaryFields

      public List<SummaryField> getSummaryFields(ImmutableSDField field)
      Returns all summary fields, of all document summaries, which has the given field as source. The list becomes owned by the receiver.
      Specified by:
      getSummaryFields in interface ImmutableSchema
      Parameters:
      field - the source field
      Returns:
      the list of summary fields found

    • getUniqueNamedSummaryFields

      public Map<String,SummaryField> getUniqueNamedSummaryFields()
      Returns one summary field for each summary field name. If there are multiple summary fields with the same name, the last one will be used. Multiple fields of the same name should all have the same content in a valid search definition, except from the destination set. So this method can be used for all summary handling except processing the destination set. The map becomes owned by the receiver.

    • getAttribute

      public Attribute getAttribute(String name)
      Returns the first occurrence of an attribute having this name, or null if none

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • isAccessingDiskSummary

      public boolean isAccessingDiskSummary(SummaryField field)

    • fieldSets

      public FieldSets fieldSets()

    • setInheritedSchema

      public void setInheritedSchema(Schema value)

    • validate

      public void validate(com.yahoo.config.application.api.DeployLogger logger)

    • isReservedName

      public static boolean isReservedName(String name)
      Returns true if the given field name is a reserved name