Module org.apache.jena.arq

Package org.apache.jena.sparql.function

Class FunctionRegistry

java.lang.Object

org.apache.jena.sparql.function.FunctionRegistry

public class FunctionRegistry
extends Object

Constructor Summary

Constructors

Constructor	Description
FunctionRegistry()

Method Summary

Modifier and Type	Method	Description
static FunctionRegistry	createFrom(FunctionRegistry from)	Copies the origin registry into a new one, or makes a fresh instance if the specified registry is null.
static FunctionRegistry	get()
FunctionFactory	get(String uri)	Deprecated, for removal: This API element is subject to removal in a future version. Use getFunctionFactory(java.lang.String)
static FunctionRegistry	get(Context context)
Function	getFunction(String uri)	Get a ARQ expression Function.
FunctionFactory	getFunctionFactory(String uri)	Lookup by URI
static void	init()
boolean	isRegistered(String uri)
Iterator<String>	keys()	Iterate over URIs
FunctionRegistry	put(String uri, Class<?> funcClass)	Insert a class that is the function implementation
FunctionRegistry	put(String uri, FunctionFactory f)	Insert a function.
void	remove(String uri)	Remove by URI
static void	set(Context context, FunctionRegistry reg)
static FunctionRegistry	standardRegistry()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FunctionRegistry

public FunctionRegistry()

Method Details

standardRegistry

public static FunctionRegistry standardRegistry()

init

public static void init()

get

public static FunctionRegistry get()

get

public static FunctionRegistry get(Context context)

set

public static void set(Context context,
 FunctionRegistry reg)

createFrom

public static FunctionRegistry createFrom(FunctionRegistry from)

Copies the origin registry into a new one, or makes a fresh instance if the specified registry is null.

Parameters:

from - FunctionRegistry or null

Returns:

FunctionRegistry a new instance

put

public FunctionRegistry put(String uri,
 Class<?> funcClass)

Insert a class that is the function implementation

Parameters:

uri - String URI

funcClass - Class for the function (new instance called).

Returns:

This registry

put

public FunctionRegistry put(String uri,
 FunctionFactory f)

Insert a function. Re-inserting with the same URI overwrites the old entry.

Parameters:

uri -

f -

Returns:

This registry

get

@Deprecated(forRemoval=true)
public FunctionFactory get(String uri)

Deprecated, for removal: This API element is subject to removal in a future version.

Use getFunctionFactory(java.lang.String)

getFunctionFactory

public FunctionFactory getFunctionFactory(String uri)

Lookup by URI

getFunction

public Function getFunction(String uri)

Get a ARQ expression Function. Return null if the URI does not map to a registered entry.

isRegistered

public boolean isRegistered(String uri)

remove

public void remove(String uri)

Remove by URI

keys

public Iterator<String> keys()

Iterate over URIs