briar/briar-api/src/org/briarproject/api/clients/MessageTree.java

package org.briarproject.api.clients;

import org.briarproject.api.sync.MessageId;

import java.util.Collection;
import java.util.Comparator;

public interface MessageTree<T extends MessageTree.MessageNode> {

	void add(Collection<T> nodes);
	void add(T node);
	void setComparator(Comparator<T> comparator);
	void clear();
	Collection<T> depthFirstOrder();

	interface MessageNode {
		MessageId getId();
		MessageId getParentId();
		void setLevel(int level);
		void setDescendantCount(int descendantCount);
		long getTimestamp();
	}

}