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The XSLT and XQuery Processor

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/*
 * Copyright � 2003, 2004, 2005, 2006, 2007, 2008 Oracle.  All rights reserved.
 */

package javax.xml.xquery;

/**
 * This interface represents an item in the XDM.
 */
public interface XQItem extends XQItemAccessor {

    /**
     * Close the item and release all the resources associated with this item.
     * No method other than the isClosed or close method
     * may be called once the item is closed.
     * Calling close on an XQItem object that is already closed has
     * no effect.
     *
     * @throws XQException if there is an error during closing the item
     */
    public void close() throws XQException;

    /**
     * Checks if the item is closed.
     *
     * @return boolean true if the item
     *         is in a closed state, false otherwise
     */
    public boolean isClosed();
}