Class SubSelect
- java.lang.Object
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- org.eclipse.rdf4j.sparqlbuilder.core.query.Query<SubSelect>
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- org.eclipse.rdf4j.sparqlbuilder.graphpattern.SubSelect
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- All Implemented Interfaces:
QueryElement,GraphPattern
public class SubSelect extends Query<SubSelect> implements GraphPattern
A SPARQL subquery- See Also:
- SPARQL Subquery
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Constructor Summary
Constructors Constructor Description SubSelect()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description SubSelectall()Specify that this query's projection should select all in-scope expressionsSubSelectall(boolean selectAll)Specify if this query's projection should select all in-scope expressions or not.SubSelectdistinct()Specify the query's projection to be distinctSubSelectdistinct(boolean isDistinct)Specify if the query's projection should be distinct or notprotected StringgetQueryActionString()StringgetQueryString()booleanisEmpty()SubSelectselect(Projectable... projectables)Add expressions to the query's projectionSubSelectselect(Projection select)Set this query's projection-
Methods inherited from class org.eclipse.rdf4j.sparqlbuilder.core.query.Query
bNode, from, from, groupBy, groupBy, having, having, limit, offset, orderBy, orderBy, var, where, where
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.rdf4j.sparqlbuilder.graphpattern.GraphPattern
and, filter, filterExists, filterExists, filterNotExists, from, minus, optional, optional, union
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Method Detail
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distinct
public SubSelect distinct()
Specify the query's projection to be distinct- Returns:
- this
- See Also:
Projection.distinct()
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distinct
public SubSelect distinct(boolean isDistinct)
Specify if the query's projection should be distinct or not- Parameters:
isDistinct- if this query's projection should be distinct- Returns:
- this
- See Also:
Projection.distinct(boolean)
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all
public SubSelect all()
Specify that this query's projection should select all in-scope expressionsNOTE: setting this takes precedence over any expressions added to the projection via
select(Projectable...)when printing- Returns:
- this
- See Also:
Projection.all()
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all
public SubSelect all(boolean selectAll)
Specify if this query's projection should select all in-scope expressions or not.NOTE: if called with
true, this setting will take precedence over any expressions added to the projection viaselect(Projectable...)when printing- Parameters:
selectAll- if all in-scope expressions should be selected- Returns:
- this
- See Also:
Projection.all(boolean)
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select
public SubSelect select(Projectable... projectables)
Add expressions to the query's projectionNOTE: if SELECT * has been specified (by
all()or callingall(boolean)withtrue), that will take precedence over specified expressions when converting to string viagetQueryString()- Parameters:
projectables- expressions to add- Returns:
- this
- See Also:
Projection.select(Projectable...)
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select
public SubSelect select(Projection select)
Set this query's projection- Parameters:
select- theProjectionto set- Returns:
- this
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isEmpty
public boolean isEmpty()
- Specified by:
isEmptyin interfaceGraphPattern- Returns:
- if this pattern is a collection of GraphPatterns (ie., Group or Alternative patterns), returns if the collection contains any patterns
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getQueryActionString
protected String getQueryActionString()
- Specified by:
getQueryActionStringin classQuery<SubSelect>
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getQueryString
public String getQueryString()
- Specified by:
getQueryStringin interfaceQueryElement- Overrides:
getQueryStringin classQuery<SubSelect>- Returns:
- the String representing the SPARQL syntax of this element
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