/*

 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package javax.xml.stream.util;

import javax.xml.stream.events.XMLEvent;

import javax.xml.stream.XMLStreamException;

/**

 * This interface defines an event consumer interface.  The contract of the

 * of a consumer is to accept the event.  This interface can be used to

 * mark an object as able to receive events.  Add may be called several

 * times in immediate succession so a consumer must be able to cache

 * events it hasn't processed yet.

 *

 * @version 1.0

 * @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.

 * @since 1.6

 */

public interface XMLEventConsumer {

  /**

   * This method adds an event to the consumer. Calling this method

   * invalidates the event parameter. The client application should

   * discard all references to this event upon calling add.

   * The behavior of an application that continues to use such references

   * is undefined.

   *

   * @param event the event to add, may not be null

   */

  public void add(XMLEvent event)

    throws XMLStreamException;

}