org.apache.jena.arq.querybuilder.handlers

Class HandlerBlock

java.lang.Object

org.apache.jena.arq.querybuilder.handlers.HandlerBlock

public class HandlerBlock
extends Object

A class to handle all the handlers of a query builder and keep them in sync as needed.

Constructor Summary

Constructors

Constructor and Description
HandlerBlock(Query query) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addAll(AggregationHandler handler) Add the aggregation handler contents to this prolog handler.
void	addAll(ConstructHandler handler) Add the construct handler contents to this prolog handler.
void	addAll(DatasetHandler handler) Add the dataset handler contents to this prolog handler.
void	addAll(HandlerBlock handler) Add all of the handlers in the handler block to this one.
void	addAll(PrologHandler handler) Add the prolog handler contents to this prolog handler.
void	addAll(SelectHandler handler) Add the select handler contents to this prolog handler.
void	addAll(SolutionModifierHandler handler) Add the solution modifier handler contents to this prolog handler.
void	addAll(ValuesHandler handler) Add the values handler contents to this prolog handler.
void	addAll(WhereHandler handler) Add the where handler contents to this prolog handler.
void	build() Build all the enclosed handlers in the proper order.
AggregationHandler	getAggregationHandler() Get the aggregation handler.
ConstructHandler	getConstructHandler() Get the construct handler.
DatasetHandler	getDatasetHandler() Get the dataset handler.
SolutionModifierHandler	getModifierHandler() Get the solution modifier handler.
PrologHandler	getPrologHandler() Get the prolog handler.
SelectHandler	getSelectHandler() Get the select handler.
ValuesHandler	getValueHandler() Get the value handler.
WhereHandler	getWhereHandler() Get the where handler.
void	setVars(Map<Var,Node> values) Set the variables in all the enclosed handlers in the proper order.

Methods inherited from class java.lang.Object

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

Constructor Detail

HandlerBlock

public HandlerBlock(Query query)

Constructor.

Parameters:

query - The query we are working with.

Method Detail

getAggregationHandler

public AggregationHandler getAggregationHandler()

Get the aggregation handler.

Returns:

the aggregation handler.

getConstructHandler

public ConstructHandler getConstructHandler()

Get the construct handler.

Returns:

the construct handler or null.

getDatasetHandler

public DatasetHandler getDatasetHandler()

Get the dataset handler.

Returns:

the dataset handler.

getPrologHandler

public PrologHandler getPrologHandler()

Get the prolog handler.

Returns:

the prolog handler.

getSelectHandler

public SelectHandler getSelectHandler()

Get the select handler.

Returns:

the select handler or null.

getModifierHandler

public SolutionModifierHandler getModifierHandler()

Get the solution modifier handler.

Returns:

the solution modifier handler.

getWhereHandler

public WhereHandler getWhereHandler()

Get the where handler.

Returns:

the where handler.

getValueHandler

public ValuesHandler getValueHandler()

Get the value handler.

Returns:

the value handler.

addAll

public void addAll(PrologHandler handler)

Add the prolog handler contents to this prolog handler.

Parameters:

handler - The prolog handler to add to this one.

addAll

public void addAll(AggregationHandler handler)

Add the aggregation handler contents to this prolog handler.

Parameters:

handler - The aggregation handler to add to this one.

addAll

public void addAll(ConstructHandler handler)

Add the construct handler contents to this prolog handler. If this construct handler is null or the handler argument is null this method does nothing.

Parameters:

handler - The construct handler to add to this one.

addAll

public void addAll(DatasetHandler handler)

Add the dataset handler contents to this prolog handler.

Parameters:

handler - The dataset handler to add to this one.

addAll

public void addAll(SolutionModifierHandler handler)

Add the solution modifier handler contents to this prolog handler.

Parameters:

handler - The solution modifier handler to add to this one.

addAll

public void addAll(SelectHandler handler)

Add the select handler contents to this prolog handler. If this select handler is null or the handler argument is null this method does nothing.

Parameters:

handler - The construct handler to add to this one.

addAll

public void addAll(WhereHandler handler)

Add the where handler contents to this prolog handler.

Parameters:

handler - The where handler to add to this one.

addAll

public void addAll(ValuesHandler handler)

Add the values handler contents to this prolog handler.

Parameters:

handler - The values handler to add to this one.

addAll

public void addAll(HandlerBlock handler)

Add all of the handlers in the handler block to this one. Any handler that is null or is null in the handler argument are properly skipped.

Parameters:

handler - The handler block to add to this one.

setVars

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

Set the variables in all the enclosed handlers in the proper order.

Parameters:

values - The map of values to set.

build

public void build()

Build all the enclosed handlers in the proper order.