Class Query<T extends Query<T>>
java.lang.Object
org.eclipse.rdf4j.sparqlbuilder.core.query.Query<T>
- Type Parameters:
T
- They type of query. Used to support fluency.
- All Implemented Interfaces:
QueryElement
- Direct Known Subclasses:
OuterQuery
,SubSelect
The base class for all SPARQL Queries. Contains elements and methods common to all queries.
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Field Summary
Modifier and TypeFieldDescriptionprotected int
protected int
protected static final String
protected int
protected static final String
protected int
protected QueryPattern
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionbNode()
A shortcut.Set the Dataset clause for this queryAdd datasets to this queryprotected abstract String
Add grouping specifiers for the query results.Set this query's Group By clausehaving
(Expression<?>... constraints) Specify constraints for this query's Having clause.Set this query's Having clauselimit
(int limit) Set a limit on the number of results returned by this query.offset
(int offset) Specify an offset in query results.Specify orderings for the query resultsSet this query's Order By clausevar()
A shortcut.where
(QueryPattern where) Set the query pattern of this querywhere
(GraphPattern... queryPatterns) Add graph patterns to this query's query pattern
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Field Details
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LIMIT
- See Also:
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OFFSET
- See Also:
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from
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where
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groupBy
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orderBy
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having
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limit
protected int limit -
offset
protected int offset -
varCount
protected int varCount -
bnodeCount
protected int bnodeCount
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Constructor Details
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Query
public Query()
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Method Details
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from
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from
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where
Add graph patterns to this query's query pattern- Parameters:
queryPatterns
- the patterns to add- Returns:
- this
- See Also:
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where
Set the query pattern of this query- Parameters:
where
- the query pattern to set- Returns:
- this
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groupBy
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groupBy
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orderBy
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orderBy
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having
Specify constraints for this query's Having clause.- Parameters:
constraints
- the constraints to add to the clause- Returns:
- this
- See Also:
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having
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limit
Set a limit on the number of results returned by this query.- Parameters:
limit
-- Returns:
- this
- See Also:
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offset
Specify an offset in query results.- Parameters:
offset
-- Returns:
- this
- See Also:
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var
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bNode
A shortcut. Each call to this method returns a newRdfBlankNode.LabeledBlankNode
that is unique (i.e., has a unique alias) to this query instance.- Returns:
- a
RdfBlankNode.LabeledBlankNode
object that is unique to this query instance
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getQueryActionString
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getQueryString
- Specified by:
getQueryString
in interfaceQueryElement
- Returns:
- the String representing the SPARQL syntax of this element
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