Package org.eclipse.rdf4j.sail.lucene

Class QuerySpecBuilder

java.lang.Object

org.eclipse.rdf4j.sail.lucene.QuerySpecBuilder

All Implemented Interfaces:

SearchQueryInterpreter

public class QuerySpecBuilder
extends Object
implements SearchQueryInterpreter

A QueryInterpreter creates a set of QuerySpecs based on Lucene-related StatementPatterns that it finds in a TupleExpr.

QuerySpecs will only be created when the set of StatementPatterns is complete (i.e. contains at least a matches and a query statement connected properly) and correct (query pattern has a literal object, matches a resource subject, etc.).

Constructor Summary

Constructors

Constructor	Description
QuerySpecBuilder(boolean incompleteQueryFails)	Initialize a new QuerySpecBuilder
QuerySpecBuilder(boolean incompleteQueryFails, IRI indexId)	Initialize a new QuerySpecBuilder

Method Summary

Modifier and Type	Method	Description
Set<QuerySpec>	process(TupleExpr tupleExpr, BindingSet bindings)	Deprecated.
void	process(TupleExpr tupleExpr, BindingSet bindings, Collection<SearchQueryEvaluator> result)	Appends a set of QuerySpecs embodying all necessary information to perform the Lucene query embedded in a TupleExpr.

Methods inherited from class java.lang.Object

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

Constructor Details

QuerySpecBuilder

public QuerySpecBuilder(boolean incompleteQueryFails)

Initialize a new QuerySpecBuilder

Parameters:

incompleteQueryFails - see LuceneSail.isIncompleteQueryFails()

QuerySpecBuilder

public QuerySpecBuilder(boolean incompleteQueryFails,
 IRI indexId)

Initialize a new QuerySpecBuilder

Parameters:

incompleteQueryFails - see LuceneSail.isIncompleteQueryFails()

indexId - the id of the index, null to do not filter by index id, see LuceneSail.INDEX_ID

Method Details

process

@Deprecated
public Set<QuerySpec> process(TupleExpr tupleExpr,
 BindingSet bindings)
                       throws SailException

Deprecated.

Returns a set of QuerySpecs embodying all necessary information to perform the Lucene query embedded in a TupleExpr. To be removed, prefer process(TupleExpr, BindingSet, Collection<SearchQueryEvaluator>).

Throws:

SailException

process

public void process(TupleExpr tupleExpr,
 BindingSet bindings,
 Collection<SearchQueryEvaluator> result)
             throws SailException

Appends a set of QuerySpecs embodying all necessary information to perform the Lucene query embedded in a TupleExpr.

Specified by:

process in interface SearchQueryInterpreter

Parameters:

tupleExpr - the TupleExpr to process.

bindings - any bindings.

result - the Collection to add any SearchQueryEvaluators to.

Throws:

SailException