Class GroupIterator.ConcatAggregate

java.lang.Object

org.eclipse.rdf4j.query.parser.sparql.aggregate.AggregateFunction<GroupIterator.StringBuilderCollector, Value>

org.eclipse.rdf4j.query.algebra.evaluation.iterator.GroupIterator.ConcatAggregate

Enclosing class:

GroupIterator

private static class GroupIterator.ConcatAggregate
extends AggregateFunction<GroupIterator.StringBuilderCollector, Value>

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	DEFAULT_SEPERATOR
private final String	separator

Fields inherited from class AggregateFunction

evaluationStep

Constructor Summary

Constructors

Constructor	Description
ConcatAggregate(Function<BindingSet, Value> f)
ConcatAggregate(Function<BindingSet, Value> f, String seperator)

Method Summary

Modifier and Type	Method	Description
void	processAggregate(BindingSet s, Predicate<Value> distinctValue, GroupIterator.StringBuilderCollector collector)

Methods inherited from class AggregateFunction

evaluate

Methods inherited from class Object

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

Field Details

DEFAULT_SEPERATOR

private static final String DEFAULT_SEPERATOR

See Also:

• Constant Field Values

separator

private final String separator

Constructor Details

ConcatAggregate

public ConcatAggregate(Function<BindingSet, Value> f,
 String seperator)
                throws QueryEvaluationException

Throws:

QueryEvaluationException

ConcatAggregate

public ConcatAggregate(Function<BindingSet, Value> f)
                throws QueryEvaluationException

Throws:

QueryEvaluationException

Method Details

processAggregate

public void processAggregate(BindingSet s,
 Predicate<Value> distinctValue,
 GroupIterator.StringBuilderCollector collector)
                      throws QueryEvaluationException

Specified by:

processAggregate in class AggregateFunction<GroupIterator.StringBuilderCollector, Value>

Throws:

QueryEvaluationException