Package com.stardog.stark.query.io

Class AsyncGraphQueryResult

java.lang.Object

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

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

com.complexible.common.base.CloseableIterator.AbstractCloseableIterator<Statement>

com.stardog.stark.query.io.AsyncGraphQueryResult

All Implemented Interfaces:

CloseableIterator<Statement>, GraphQueryResult, QueryResult<Statement>, AutoCloseable, Iterator<Statement>

public class AsyncGraphQueryResult
extends CloseableIterator.AbstractCloseableIterator<Statement>
implements GraphQueryResult

A GraphQueryResult which asynchronously parses the result set from an input stream.

Author:

Pavel Klinov

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
AsyncGraphQueryResult(InputStream input, RDFParser parser, Options parserOptions, ExecutorService execService, int batchSize, CancelCheck cancelCheck, Consumer<Boolean> onClose, Function<Exception,RuntimeException> onError)

Method Summary

Modifier and Type	Method	Description
void	close()	Close the query results and return any resources in use back to the system.
protected Statement	computeNext()
Namespaces	namespaces()	The set of namespaces, if specified, that are to be used with the result set.

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 com.stardog.stark.query.GraphQueryResult

toGraph

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

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

hasNext, metadata, next, stream

Constructor Details

AsyncGraphQueryResult

public AsyncGraphQueryResult(InputStream input,
 RDFParser parser,
 Options parserOptions,
 ExecutorService execService,
 int batchSize,
 CancelCheck cancelCheck,
 Consumer<Boolean> onClose,
 Function<Exception,RuntimeException> onError)

Method Details

close

public void close()

Description copied from interface: QueryResult

Close the query results and return any resources in use back to the system. This *must* be called on all result sets to avoid resource leaks.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CloseableIterator<Statement>

Specified by:

close in interface QueryResult<Statement>

computeNext

protected Statement computeNext()

Specified by:

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

namespaces

@Nonnull
public Namespaces namespaces()

Description copied from interface: GraphQueryResult

The set of namespaces, if specified, that are to be used with the result set.

Specified by:

namespaces in interface GraphQueryResult

Returns:

the namespaces