Package com.complexible.common.rdf

Class MultiStatementIterator

java.lang.Object

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

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

com.complexible.common.rdf.MultiStatementIterator

All Implemented Interfaces:

CloseableIterator<Statement>, StatementIterator, AutoCloseable, Iterator<Statement>

public final class MultiStatementIterator
extends com.google.common.collect.AbstractIterator<Statement>
implements StatementIterator

StatementIterator whose contents are the concatenation of multiple iterators.

Since:

0.4.3

Version:

6.0

Author:

Michael Grove, Evren Sirin

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
MultiStatementIterator(List<StatementIterator> theIters)	Create a new MultiStatementIteration

Method Summary

Modifier and Type	Method	Description
void	close()
protected Statement	computeNext()
Namespaces	namespaces()	Returns namespaces associated with this statement iteration if any.

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

Methods inherited from interface com.complexible.common.rdf.StatementIterator

process, toGraph

Constructor Details

MultiStatementIterator

public MultiStatementIterator(List<StatementIterator> theIters)

Create a new MultiStatementIteration

Parameters:

theIters - the list of iterations to iterate against

Method Details

computeNext

protected Statement computeNext()

Specified by:

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

close

public void close()
           throws RuntimeException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CloseableIterator<Statement>

Throws:

RuntimeException

namespaces

public Namespaces namespaces()

Returns namespaces associated with this statement iteration if any.

Specified by:

namespaces in interface StatementIterator

Returns:

possibly empty namespaces but never null