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/*******************************************************************************
 * Copyright (c) 2017 Politecnico di Torino and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Apache License, Version 2.0
 * which accompanies this distribution, and is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *******************************************************************************/

package it.polito.escape.verify.model;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import it.polito.escape.verify.deserializer.GraphCustomDeserializer;
import it.polito.escape.verify.serializer.CustomMapSerializer;

@ApiModel(value = "Graph")
@XmlRootElement
@JsonDeserialize(using = GraphCustomDeserializer.class)
@JsonInclude(JsonInclude.Include.NON_EMPTY)
public class Graph {

	@ApiModelProperty(required = false, hidden = true)
	@XmlTransient
	private long			id;

	@ApiModelProperty(name = "nodes", notes = "Nodes", dataType = "List[it.polito.escape.verify.model.Node]")
	private Map<Long, Node>	nodes	= new HashMap<Long, Node>();

	@ApiModelProperty(required = false, hidden = true)
	@XmlTransient
	private Set<Link>		links	= new HashSet<Link>();

	public Graph() {

	}

	public Graph(long id) {
		this.id = id;
	}

	public long getId() {
		return id;
	}

	public void setId(long id) {
		this.id = id;
	}

	@JsonSerialize(using = CustomMapSerializer.class)
	public Map<Long, Node> getNodes() {
		return nodes;
	}

	public void setNodes(Map<Long, Node> nodes) {
		this.nodes = nodes;
	}

	@XmlTransient
	public Set<Link> getLinks() {
		return links;
	}

	public void setLinks(Set<Link> links) {
		this.links = links;
	}

	public void addLink(String url, String rel) {
		Link link = new Link();
		link.setLink(url);
		link.setRel(rel);
		links.add(link);
	}

	public Node searchNodeByName(String name) {
		for (Node node : this.nodes.values()) {
			if (node.getName().equals(name))
				return node;
		}
		return null;
	}

	public int nodesWithName(String name) {
		int occurrences = 0;
		for (Node node : this.nodes.values()) {
			if (node.getName().equals(name))
				occurrences++;

		}
		return occurrences;
	}

}