org.apache.jena.arq.querybuilder.handlers

Class ValuesHandler

java.lang.Object

org.apache.jena.arq.querybuilder.handlers.ValuesHandler

All Implemented Interfaces:

Handler

public class ValuesHandler
extends Object
implements Handler

Constructor Summary

Constructors

Constructor and Description
ValuesHandler() Constructor.
ValuesHandler(Query query)

Method Summary

Modifier and Type	Method and Description
void	addAll(ValuesHandler handler) Add the ValuesHandler values to this values Handler.
void	addValueRow(Collection<Node> values) Add the values for the variables.
void	addValueVar(Var var, Collection<Node> nodes) Add a variable to the value statement.
ElementData	asElement()
void	build() Called by the build process for this handler to perform any adjustments to the query before the build completes.
void	clear()
Map<Var,List<Node>>	getValuesMap()
List<Var>	getValuesVars()
boolean	isEmpty()
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

ValuesHandler

public ValuesHandler()

Constructor.

ValuesHandler

public ValuesHandler(Query query)

Method Detail

asElement

public ElementData asElement()

isEmpty

public boolean isEmpty()

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

addValueVar

public void addValueVar(Var var,
                        Collection<Node> nodes)

Add a variable to the value statement. A variable may only be added once. Attempting to add the same variable multiple times will be silently ignored.

Parameters:

var - The variable to add.

addValueRow

public void addValueRow(Collection<Node> values)

Add the values for the variables. There must be one value for each value var.

Parameters:

values - the collection of values to add.

addAll

public void addAll(ValuesHandler handler)

Add the ValuesHandler values to this values Handler.

Parameters:

handler - the handler that has the values to add.

clear

public void clear()

getValuesVars

public List<Var> getValuesVars()

getValuesMap

public Map<Var,List<Node>> getValuesMap()