/*******************************************************************************
 *******************************************************************************/
package at.gv.egiz.eaaf.core.impl.idp.process.model;

import java.util.ArrayList;
import java.util.List;

import at.gv.egiz.eaaf.core.impl.idp.process.ProcessDefinitionParser;

/**
 * Represents a {@link StartEvent}, an {@link EndEvent} or a {@linkplain TaskInfo Task}.
 * @author tknall
 *
 */
public abstract class ProcessNode {

	private String id;
	private List<Transition> outgoingTransitions = new ArrayList<>();
	private List<Transition> incomingTransitions = new ArrayList<>();

	/**
	 * Returns the unique identifier of the process node.
	 * 
	 * @return The unique identifier (never {@code null} if process node comes from a process definition from
	 *         {@link ProcessDefinitionParser}).
	 */
	public String getId() {
		return id;
	}

	/**
	 * Sets the unique identifier of the process node.
	 * @param id The unique identifier.
	 */
	public void setId(String id) {
		this.id = id;
	}

	/**
	 * Returns a list of transitions pointing from this process node to another one.
	 * @return A list of transitions (never {@code null} if process node comes from a process definition from {@link ProcessDefinitionParser}).
	 */
	public List<Transition> getOutgoingTransitions() {
		return outgoingTransitions;
	}

	/**
	 * Sets the list of transitions pointing from this process node to another one.
	 * @param outgoingTransitions The list of transitions originating from this process node.
	 */
	public void setOutgoingTransitions(List<Transition> outgoingTransitions) {
		this.outgoingTransitions = outgoingTransitions;
	}

	/**
	 * Returns a list of transitions pointing from another process node to this one.
	 * @return A list of transitions (never {@code null} if process node comes from a process definition from {@link ProcessDefinitionParser}).
	 */
	public List<Transition> getIncomingTransitions() {
		return incomingTransitions;
	}

	/**
	 * Sets the list of transitions pointing from another process node to this one.
	 * @param incomingTransitions A list of transitions pointing to this process node.
	 */
	public void setIncomingTransitions(List<Transition> incomingTransitions) {
		this.incomingTransitions = incomingTransitions;
	}
	
}