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/*
 * Copyright (c) 1997, 2022 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.ws.api.pipe;

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

import com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl;

/**
 * Clones the whole pipeline.
 *
 * 

* Since {@link Pipe}s may form an arbitrary directed graph, someone needs * to keep track of isomorphism for a clone to happen correctly. This class * serves that role. * * @author Kohsuke Kawaguchi */ @SuppressWarnings("deprecation") public class PipeClonerImpl extends PipeCloner { private static final Logger LOGGER = Logger.getLogger(PipeClonerImpl.class.getName()); // no need to be constructed publicly. always use the static clone method. /*package*/ public PipeClonerImpl() { super(new HashMap<>()); } protected PipeClonerImpl(Map master2copy) { super(master2copy); } /** * {@link Pipe} version of {@link #copy(Tube)} */ @Override @SuppressWarnings("unchecked") public T copy(T p) { Pipe r = (Pipe)master2copy.get(p); if(r==null) { r = p.copy(this); // the pipe must puts its copy to the map by itself assert master2copy.get(p)==r : "the pipe must call the add(...) method to register itself before start copying other pipes, but "+p+" hasn't done so"; } return (T)r; } /** * The {@link Pipe} version of {@link #add(Tube, Tube)}. */ @Override public void add(Pipe original, Pipe copy) { assert !master2copy.containsKey(original); assert original!=null && copy!=null; master2copy.put(original,copy); } /** * Disambiguation version. */ public void add(AbstractTubeImpl original, AbstractTubeImpl copy) { add((Tube)original,copy); } @Override public void add(Tube original, Tube copy) { assert !master2copy.containsKey(original); assert original!=null && copy!=null; master2copy.put(original,copy); } @SuppressWarnings("unchecked") @Override public T copy(T t) { Tube r = (Tube)master2copy.get(t); if(r==null) { if (t != null) { r = t.copy(this); } else { if (LOGGER.isLoggable(Level.FINER)) { LOGGER.fine("WARNING, tube passed to 'copy' in " + this + " was null, so no copy was made"); } } } return (T)r; } }





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