org.apache.jena.arq.querybuilder.handlers

Class PrologHandler

java.lang.Object

org.apache.jena.arq.querybuilder.handlers.PrologHandler

All Implemented Interfaces:

Handler

public class PrologHandler
extends Object
implements Handler

The prolog handler

Constructor Summary

Constructors

Constructor and Description
PrologHandler(Query query) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addAll(PrologHandler pfxHandler) Add the settings from the prolog handler argument.
void	addPrefix(String pfx, String uri) Add a prefix to the prefix mapping.
void	addPrefixes(Map<String,String> prefixes) Add the map of prefixes to the query prefixes.
void	addPrefixes(PrefixMapping prefixes) Add prefixes from a prefix mapping.
void	build() Called by the build process for this handler to perform any adjustments to the query before the build completes.
void	clearPrefixes() Clear the prefix mapping.
ExprFactory	getExprFactory()
PrefixMapping	getPrefixes()
void	setBase(IRIResolver resolver) Set the base for the query.
void	setBase(String base) Set the base for the query.
void	setVars(Map<Var,Node> values) Set the values for variables managed by the handler implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

PrologHandler

public PrologHandler(Query query)

Constructor.

Parameters:

query - The query to handle.

Method Detail

setBase

public void setBase(IRIResolver resolver)

Set the base for the query. This is the IRI against which relative names will be resolved.

Parameters:

resolver - The IRIResolver to set the base from.

setBase

public void setBase(String base)

Set the base for the query. This is the IRI against which relative names will be resolved.

Parameters:

base - The string to set the base from.

addPrefix

public void addPrefix(String pfx,
                      String uri)

Add a prefix to the prefix mapping.

Parameters:

pfx - The prefix to add.

uri - The uri to resolve the prefix to.

clearPrefixes

public void clearPrefixes()

Clear the prefix mapping.

addPrefixes

public void addPrefixes(Map<String,String> prefixes)

Add the map of prefixes to the query prefixes.

Parameters:

prefixes - The map of prefixes to URIs.

getPrefixes

public PrefixMapping getPrefixes()

getExprFactory

public ExprFactory getExprFactory()

addPrefixes

public void addPrefixes(PrefixMapping prefixes)

Add prefixes from a prefix mapping.

Parameters:

prefixes - THe prefix mapping to add from.

addAll

public void addAll(PrologHandler pfxHandler)

Add the settings from the prolog handler argument.

Parameters:

pfxHandler - The PrologHandler to read from

setVars

public void setVars(Map<Var,Node> values)

Description copied from interface: Handler

Set the values for variables managed by the handler implementation. This method is called by the builder to set values handled by this Handler implementation.

Specified by:

setVars in interface Handler

Parameters:

values - The map of variable to node value.

build

public void build()

Description copied from interface: Handler

Called by the build process for this handler to perform any adjustments to the query before the build completes. The adjustments are made after setVars() has been called.

Specified by:

build in interface Handler