praktikum-holons/src/holeg/model/GroupNode.java

package holeg.model;

import java.util.ArrayList;
import java.util.Collection;
import java.util.logging.Logger;
import java.util.stream.Stream;

import holeg.preferences.ImagePreference;
import holeg.serialize.PostDeserialize;

public class GroupNode extends AbstractCanvasObject implements PostDeserialize {
	private static final Logger log = Logger.getLogger(AbstractCanvasObject.class.getName());

	private final ArrayList<HolonObject> objectList = new ArrayList<>();
	private final ArrayList<HolonSwitch> switchList = new ArrayList<>();
	private final ArrayList<Node> nodeList = new ArrayList<>();
	private final ArrayList<GroupNode> groupNodeList = new ArrayList<>();

	public GroupNode(String nodeName) {
		super(nodeName);
	}

	@Override
	public String getImagePath() {
		return ImagePreference.Canvas.GroupNode;
	}
	public void addAll(Stream<AbstractCanvasObject> stream) {
		stream.forEach(this::add);
	}
	public void addAll(Collection<AbstractCanvasObject> collection) {
		collection.forEach(this::add);
	}
	
	public void add(AbstractCanvasObject object) {
		if (object instanceof HolonObject hObject) {
			objectList.add(hObject);
		}else if(object instanceof HolonSwitch hSwitch) {
			switchList.add(hSwitch);
		}else if(object instanceof Node node) {
			nodeList.add(node);
		}else if(object instanceof GroupNode groupNode) {
			groupNodeList.add(groupNode);
		}
		object.setGroupNode(this);
	}
	
	public void remove(AbstractCanvasObject object) {
		if (object instanceof HolonObject hObject) {
			objectList.remove(hObject);
		}else if(object instanceof HolonSwitch hSwitch) {
			switchList.remove(hSwitch);
		}else if(object instanceof Node node) {
			nodeList.remove(node);
		}else if(object instanceof GroupNode groupNode) {
			groupNodeList.remove(groupNode);
		}
		object.setGroupNode(null);
	}
	public void removeAll(Stream<AbstractCanvasObject> stream){
		stream.forEach(this::remove);
	}
	public void removeAll(Collection<AbstractCanvasObject> collection){
		collection.forEach(this::remove);
	}



	public Stream<AbstractCanvasObject> getObjectsInThisLayer() {
		return Stream.of(objectList.stream(), switchList.stream(), nodeList.stream(), groupNodeList.stream())
				.flatMap(s -> s);
	}

	public Stream<AbstractCanvasObject> getAllObjectsRecursive() {
		Stream<AbstractCanvasObject> objects = Stream.of(objectList.stream(), switchList.stream(), nodeList.stream())
				.flatMap(s -> s);
		return Stream.concat(objects,
				groupNodeList.stream().flatMap(GroupNode::getObjectsInThisLayer));

	}

	public Stream<HolonObject> getAllHolonObjectsRecursive() {
		return Stream.concat(objectList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllHolonObjectsRecursive));
	}
	public Stream<HolonSwitch> getAllSwitchObjectsRecursive() {
		return Stream.concat(switchList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllSwitchObjectsRecursive));
	}
	public Stream<Node> getAllNodeObjectsRecursive() {
		return Stream.concat(nodeList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllNodeObjectsRecursive));
	}
	public Stream<GroupNode> getAllGroupNodeObjectsRecursive() {
		return Stream.concat(groupNodeList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllGroupNodeObjectsRecursive));
	}
	
	public Stream<HolonObject> getHolonObjects() {
		return objectList.stream();
	}
	
	public Stream<HolonSwitch> getSwitches() {
		return switchList.stream();
	}
	public Stream<Node> getNodes() {
		return nodeList.stream();
	}
	
	public Stream<GroupNode> getGroupNodes() {
		return groupNodeList.stream();
	}

	public Stream<HolonElement> getHolonElements(){
		return objectList.stream().flatMap(HolonObject::elementsStream);
	}


	public void clear() {
		objectList.clear();
		switchList.clear();
		nodeList.clear();
		groupNodeList.clear();
	}

	@Override
	public void postDeserialize() {
		getObjectsInThisLayer().forEach(obj -> obj.setGroupNode(this));
	}
}