Class IterationWrapper<E>

java.lang.Object
org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E>
org.eclipse.rdf4j.common.iteration.IterationWrapper<E>
All Implemented Interfaces:
AutoCloseable, Iterator<E>, CloseableIteration<E>
Direct Known Subclasses:
BackgroundGraphResult, InsertBindingSetCursor, IteratingGraphQueryResult, IteratingTupleQueryResult, LimitIteration, LockingIteration, SilentIteration, TimeLimitIteration

@Deprecated(since="4.1.0") public class IterationWrapper<E> extends AbstractCloseableIteration<E>
Deprecated.
Abstract superclass for Iterations that wrap other Iterations. The abstract class IterationWrapper itself provides default methods that forward method calls to the wrapped Iteration. Subclasses of IterationWrapper should override some of these methods and may also provide additional methods and fields.
  • Field Summary Link icon

    Fields
    Modifier and Type
    Field
    Description
    protected final CloseableIteration<? extends E>
    Deprecated.
    This will be changed to private, possibly with an accessor in future.
  • Constructor Summary Link icon

    Constructors
    Modifier
    Constructor
    Description
    protected
    Deprecated.
    Creates a new IterationWrapper that operates on the supplied Iteration.
  • Method Summary Link icon

    Modifier and Type
    Method
    Description
    protected void
    Deprecated.
    Closes this Iteration and also closes the wrapped Iteration if it is a CloseableIteration.
    boolean
    Deprecated.
    Checks whether the wrapped Iteration contains more elements, closing this Iteration when this is not the case.
    Deprecated.
    Returns the next element from the wrapped Iteration.
    void
    Deprecated.
    Removes the last element that has been returned from the wrapped Iteration.

    Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration Link icon

    close, isClosed

    Methods inherited from class java.lang.Object Link icon

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

    Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration Link icon

    stream

    Methods inherited from interface java.util.Iterator Link icon

    forEachRemaining
  • Field Details Link icon

    • wrappedIter Link icon

      @Deprecated(since="4.1.0") protected final CloseableIteration<? extends E> wrappedIter
      Deprecated.
      This will be changed to private, possibly with an accessor in future. Do not rely on it.
      The wrapped Iteration.
  • Constructor Details Link icon

    • IterationWrapper Link icon

      protected IterationWrapper(CloseableIteration<? extends E> iter)
      Deprecated.
      Creates a new IterationWrapper that operates on the supplied Iteration.
      Parameters:
      iter - The wrapped Iteration for this IterationWrapper, must not be null.
  • Method Details Link icon

    • hasNext Link icon

      public boolean hasNext()
      Deprecated.
      Checks whether the wrapped Iteration contains more elements, closing this Iteration when this is not the case.
      Returns:
      true if the wrapped Iteration contains more elements, false otherwise.
    • next Link icon

      public E next()
      Deprecated.
      Returns the next element from the wrapped Iteration.
      Throws:
      NoSuchElementException - If all elements have been returned or it has been closed.
    • remove Link icon

      public void remove()
      Deprecated.
      Removes the last element that has been returned from the wrapped Iteration.
      Throws:
      UnsupportedOperationException - If the wrapped Iteration does not support the remove operation.
      IllegalStateException - if the Iteration has been closed, or if next() has not yet been called, or remove() has already been called after the last call to next().
    • handleClose Link icon

      protected void handleClose()
      Deprecated.
      Closes this Iteration and also closes the wrapped Iteration if it is a CloseableIteration.
      Specified by:
      handleClose in class AbstractCloseableIteration<E>