Package com.complexible.common.rdf.query

Class IteratorAsQueryResult<T>

java.lang.Object

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

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

com.complexible.common.rdf.query.IteratorAsQueryResult<T>

All Implemented Interfaces:

CloseableIterator<T>, AutoCloseable, Iterator<T>

Direct Known Subclasses:

IteratorAsBooleanQueryResult, IteratorAsGraphQueryResult, IteratorAsPathQueryResult, IteratorAsTupleQueryResult

public abstract class IteratorAsQueryResult<T>
extends com.google.common.collect.AbstractIterator<T>
implements CloseableIterator<T>

Base super-class for all iterator-as-query-result classes. It handles the on-success, on-failure, and on-close callbacks.

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
IteratorAsQueryResult(CloseableIterator<T> theIter, Runnable theOnClose, Runnable theOnSuccess)
IteratorAsQueryResult(CloseableIterator<T> theIter, Runnable theOnClose, Runnable theOnSuccess, Function<Exception,RuntimeException> theOnError)

Method Summary

Modifier and Type	Method	Description
void	close()
protected T	computeNext()

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, hasNext, next, remove

Constructor Details

IteratorAsQueryResult

public IteratorAsQueryResult(CloseableIterator<T> theIter,
 Runnable theOnClose,
 Runnable theOnSuccess)

IteratorAsQueryResult

public IteratorAsQueryResult(CloseableIterator<T> theIter,
 Runnable theOnClose,
 Runnable theOnSuccess,
 Function<Exception,RuntimeException> theOnError)

Method Details

close

public void close()
           throws QueryExecutionFailure

Specified by:

close in interface 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>