org.apache.clerezza.rdf.core.sparql.query.impl
Class SimpleSelectQuery

java.lang.Object
  org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQuery
      org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQueryWithSolutionModifier
          org.apache.clerezza.rdf.core.sparql.query.impl.SimpleSelectQuery

All Implemented Interfaces:

Query, QueryWithSolutionModifier, SelectQuery

public class SimpleSelectQuery
extends SimpleQueryWithSolutionModifier
implements SelectQuery

Author:

hasan

Constructor Summary

SimpleSelectQuery()

Method Summary

void	addSelection(Variable var)
List<Variable>	getSelection() Gets the list of Variables to project the solution to.
boolean	isDistinct() Tests if this query should return distinct results.
boolean	isReduced() Tests if this query should return reduced results.
boolean	isSelectAll() Tests if this query returns all its variables, and not a projected subset.
void	setDistinct()
void	setReduced()
void	setSelectAll()
String	toString()

Methods inherited from class org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQueryWithSolutionModifier

addOrderCondition, getLimit, getOffset, getOrderConditions, setLimit, setOffset

Methods inherited from class org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQuery

addDefaultGraph, addNamedGraph, getDataSet, getQueryPattern, setQueryPattern

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.clerezza.rdf.core.sparql.query.QueryWithSolutionModifier

getLimit, getOffset, getOrderConditions

Methods inherited from interface org.apache.clerezza.rdf.core.sparql.query.Query

getDataSet, getQueryPattern

Constructor Detail

SimpleSelectQuery

public SimpleSelectQuery()

Method Detail

isDistinct

public boolean isDistinct()

Description copied from interface: SelectQuery

Tests if this query should return distinct results.

Specified by:

isDistinct in interface SelectQuery

Returns:

true if the query should return distinct results.

See Also:

SPARQL Query Language: 9.3.1 DISTINCT

isReduced

public boolean isReduced()

Description copied from interface: SelectQuery

Tests if this query should return reduced results.

Specified by:

isReduced in interface SelectQuery

Returns:

true if the query should return reduced results.

See Also:

SPARQL Query Language: 9.3.2 REDUCED

isSelectAll

public boolean isSelectAll()

Description copied from interface: SelectQuery

Tests if this query returns all its variables, and not a projected subset.

Specified by:

isSelectAll in interface SelectQuery

Returns:

true if the query should return all variables.

See Also:

SPARQL Query Language: 9 Solution Sequences and Modifiers, SPARQL Query Language: 9.2 Projection

getSelection

public List<Variable> getSelection()

Description copied from interface: SelectQuery

Gets the list of Variables to project the solution to. If SelectQuery.isSelectAll() returns true then this list contains all the variables from the query.

Specified by:

getSelection in interface SelectQuery

Returns:

A list of Variables to return from the query.

See Also:

SPARQL Query Language: 10.1 SELECT, SPARQL Query Language: 9.2 Projection

setDistinct

public void setDistinct()

setReduced

public void setReduced()

setSelectAll

public void setSelectAll()

addSelection

public void addSelection(Variable var)

toString

public String toString()

Specified by:

toString in interface Query

Specified by:

toString in class SimpleQuery

Returns:

A valid String representation of the query.