TransitionImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package net.sf.orcc.df.impl;

import java.util.Collection;

import net.sf.orcc.df.Action;
import net.sf.orcc.df.DfPackage;
import net.sf.orcc.df.State;
import net.sf.orcc.df.Transition;
import net.sf.orcc.graph.impl.EdgeImpl;

import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Transition</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.orcc.df.impl.TransitionImpl#getActions <em>Actions</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class TransitionImpl extends EdgeImpl implements Transition {

	/**
	 * The cached value of the '{@link #getActions() <em>Actions</em>}' reference list.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getActions()
	 * @generated
	 * @ordered
	 */
	protected EList<Action> actions;

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	protected TransitionImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case DfPackage.TRANSITION__ACTIONS:
			return getActions();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case DfPackage.TRANSITION__ACTIONS:
			return actions != null && !actions.isEmpty();
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case DfPackage.TRANSITION__ACTIONS:
			getActions().clear();
			getActions().addAll((Collection<? extends Action>) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return DfPackage.Literals.TRANSITION;
	}

	@Override
	public Action getAction() {
		if (getActions().isEmpty()) {
			return null;
		}
		return getActions().get(0);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Action> getActions() {
		if (actions == null) {
			actions = new EObjectResolvingEList<Action>(Action.class, this,
					DfPackage.TRANSITION__ACTIONS);
		}
		return actions;
	}

	@Override
	public State getSource() {
		return (State) super.getSource();
	}

	@Override
	public State getTarget() {
		return (State) super.getTarget();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case DfPackage.TRANSITION__ACTIONS:
			getActions().clear();
			return;
		}
		super.eUnset(featureID);
	}

	@Override
	public String toString() {
		StringBuilder builder = new StringBuilder();
		if (getSource() != null) {
			builder.append(getSource().getName());
		}
		builder.append(" (");
		if (getAction() != null) {
			builder.append(getAction().getName());
		}
		builder.append(") --> ");
		if (getSource() != null) {
			builder.append(getTarget().getName());
		}
		return builder.toString();
	}

} // TransitionImpl