trait FunctionCatalog extends CatalogPlugin
Catalog methods for working with Functions.
- Annotations
- @Evolving()
- Source
- FunctionCatalog.java
- Since
3.2.0
- Alphabetic
- By Inheritance
- FunctionCatalog
- CatalogPlugin
- AnyRef
- Any
- Hide All
- Show All
- Public
- Protected
Abstract Value Members
- abstract def initialize(name: String, options: CaseInsensitiveStringMap): Unit
Called to initialize configuration.
Called to initialize configuration.
This method is called once, just after the provider is instantiated.
- name
the name used to identify and load this catalog
- options
a case-insensitive string map of configuration
- Definition Classes
- CatalogPlugin
- abstract def listFunctions(namespace: Array[String]): Array[Identifier]
List the functions in a namespace from the catalog.
List the functions in a namespace from the catalog.
If there are no functions in the namespace, implementations should return an empty array.
- namespace
a multi-part namespace
- returns
an array of Identifiers for functions
- Exceptions thrown
NoSuchNamespaceExceptionIf the namespace does not exist (optional).
- abstract def loadFunction(ident: Identifier): UnboundFunction
Load a function by
identifierfrom the catalog.Load a function by
identifierfrom the catalog.- ident
a function identifier
- returns
an unbound function instance
- Exceptions thrown
NoSuchFunctionExceptionIf the function doesn't exist
- abstract def name(): String
Called to get this catalog's name.
Called to get this catalog's name.
This method is only called after
CaseInsensitiveStringMap)is called to pass the catalog's name.- Definition Classes
- CatalogPlugin
Concrete Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
- def defaultNamespace(): Array[String]
Return a default namespace for the catalog.
Return a default namespace for the catalog.
When this catalog is set as the current catalog, the namespace returned by this method will be set as the current namespace.
The namespace returned by this method is not required to exist.
- returns
a multi-part namespace
- Definition Classes
- CatalogPlugin
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- def functionExists(ident: Identifier): Boolean
Returns true if the function exists, false otherwise.
Returns true if the function exists, false otherwise.
- Since
3.3.0
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @IntrinsicCandidate() @native()
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @IntrinsicCandidate() @native()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @IntrinsicCandidate() @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @IntrinsicCandidate() @native()
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- AnyRef → Any
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
Deprecated Value Members
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable]) @Deprecated
- Deprecated
(Since version 9)