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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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 * particular file as subject to the "Classpath" exception as provided
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package org.netbeans.modules.profiler.heapwalk.oql;

import java.util.logging.Level;
import java.util.logging.Logger;

 * This visitor is supplied to OQLEngine.executeQuery
 * to receive result set objects one by one.
 * @author A. Sundararajan
 * @author J. Bachorik
00052 public interface ObjectVisitor {
    // return true to terminate the result set callback earlier
    public boolean visit(Object o);

    public static final ObjectVisitor DEFAULT = new ObjectVisitor() {
        final private Logger LOGGER = Logger.getLogger(ObjectVisitor.class.getName());
        public boolean visit(Object o) {
            if (o != null && LOGGER.isLoggable(Level.FINEST)) LOGGER.finest(o.toString());

            return true; // prevent calling "visit" for the rest of the result set

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