protected ResourceDownloaderBaseImpl(ResourceDownloaderBaseImpl _parent) {
parent = _parent;
if (parent != null) {
parent.addChild(this);
}
}
protected void setParent(ResourceDownloader _parent) {
ResourceDownloaderBaseImpl old_parent = parent;
parent = (ResourceDownloaderBaseImpl) _parent;
if (old_parent != null) {
old_parent.removeChild(this);
}
if (parent != null) {
parent.addChild(this);
}
}
