import com.sun.xml.internal.ws.api.pipe.PipeCloner; //导入依赖的package包/类
/**
 * Copy constructor
 */
private PipeAdapter(PipeAdapter that, TubeCloner cloner) {
    super(that,cloner);
    this.next = ((PipeCloner)cloner).copy(that.next);
}
 

import com.sun.xml.internal.ws.api.pipe.PipeCloner; //导入依赖的package包/类
protected AbstractFilterPipeImpl(AbstractFilterPipeImpl that, PipeCloner cloner) {
    super(that, cloner);
    this.next = cloner.copy(that.next);
    assert next!=null;
}
 

import com.sun.xml.internal.ws.api.pipe.PipeCloner; //导入依赖的package包/类
/**
 * Needs to be implemented by the derived class, but we can't make it abstract
 * without upsetting javac.
 */
public final AbstractTubeImpl copy(PipeCloner cloner) {
    return copy((TubeCloner)cloner);
}
 

import com.sun.xml.internal.ws.api.pipe.PipeCloner; //导入依赖的package包/类
/**
 * Basis for the copy constructor.
 *
 * <p>
 * This registers the newly created {@link Pipe} with the {@link PipeCloner}
 * through {@link PipeCloner#add(Pipe, Pipe)}.
 */
protected AbstractPipeImpl(Pipe that, PipeCloner cloner) {
    cloner.add(that,this);
}