Package com.complexible.common.rdf.query

Class IteratorAsTupleQueryResult

java.lang.Object

com.google.common.collect.UnmodifiableIterator<T>

com.google.common.collect.AbstractIterator<T>

com.complexible.common.rdf.query.IteratorAsTupleQueryResult

All Implemented Interfaces:

CloseableIterator<BindingSet>, QueryResult<BindingSet>, SelectQueryResult, java.lang.AutoCloseable, java.util.Iterator<BindingSet>

public final class IteratorAsTupleQueryResult
extends com.google.common.collect.AbstractIterator<T>
implements SelectQueryResult

Adapter class for using a BindingSetIteration as a TupleQueryResult

Since:

0.4

Author:

Michael Grove

Nested Class Summary

Nested classes/interfaces inherited from interface com.complexible.common.base.CloseableIterator

CloseableIterator.AbstractCloseableIterator<T>, CloseableIterator.DelegatingCloseableIterator<T>, CloseableIterator.EmptyCloseableIterator<T>

Constructor Summary

Constructors

Constructor	Description
IteratorAsTupleQueryResult(CloseableIterator<BindingSet> theIter, java.util.List<java.lang.String> theBindingNames)
IteratorAsTupleQueryResult(CloseableIterator<BindingSet> theIter, java.util.List<java.lang.String> theBindingNames, java.lang.Runnable theOnClose, java.lang.Runnable theOnSuccess, java.util.function.Function<java.lang.Exception,java.lang.RuntimeException> theOnError)

Method Summary

Modifier and Type	Method	Description
void	close()
protected T	computeNext()
java.util.List<java.lang.String>	variables()	Return the list of projected variables from the query

Methods inherited from class com.google.common.collect.AbstractIterator

endOfData, hasNext, next, peek

Methods inherited from class com.google.common.collect.UnmodifiableIterator

remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Methods inherited from interface com.stardog.stark.query.QueryResult

close, hasNext, metadata, next, stream

Constructor Detail

IteratorAsTupleQueryResult

public IteratorAsTupleQueryResult(CloseableIterator<BindingSet> theIter,
                                  java.util.List<java.lang.String> theBindingNames)

IteratorAsTupleQueryResult

public IteratorAsTupleQueryResult(CloseableIterator<BindingSet> theIter,
                                  java.util.List<java.lang.String> theBindingNames,
                                  java.lang.Runnable theOnClose,
                                  java.lang.Runnable theOnSuccess,
                                  java.util.function.Function<java.lang.Exception,java.lang.RuntimeException> theOnError)

Method Detail

variables

public java.util.List<java.lang.String> variables()

Return the list of projected variables from the query

Specified by:

variables in interface SelectQueryResult

Returns:

the projection

close

public void close()
           throws QueryExecutionFailure

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface CloseableIterator<T>

Throws:

QueryExecutionFailure

computeNext

protected T computeNext()

Specified by:

computeNext in class com.google.common.collect.AbstractIterator<T>