EdgeImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.roxgt.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;

import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

import org.roxgt.Edge;
import org.roxgt.Node;
import org.roxgt.Property;
import org.roxgt.RoxgtPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Edge</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.roxgt.impl.EdgeImpl#getLabel <em>Label</em>}</li>
 *   <li>{@link org.roxgt.impl.EdgeImpl#getProperties <em>Properties</em>}</li>
 *   <li>{@link org.roxgt.impl.EdgeImpl#getSource <em>Source</em>}</li>
 *   <li>{@link org.roxgt.impl.EdgeImpl#getTarget <em>Target</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class EdgeImpl extends EObjectImpl implements Edge {
	/**
	 * The default value of the '{@link #getLabel() <em>Label</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getLabel()
	 * @generated
	 * @ordered
	 */
	protected static final String LABEL_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getLabel() <em>Label</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getLabel()
	 * @generated
	 * @ordered
	 */
	protected String label = LABEL_EDEFAULT;

	/**
	 * The cached value of the '{@link #getProperties() <em>Properties</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getProperties()
	 * @generated
	 * @ordered
	 */
	protected EList<Property> properties;

	/**
	 * The cached value of the '{@link #getSource() <em>Source</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSource()
	 * @generated
	 * @ordered
	 */
	protected Node source;

	/**
	 * The cached value of the '{@link #getTarget() <em>Target</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTarget()
	 * @generated
	 * @ordered
	 */
	protected Node target;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getLabel() {
		return label;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setLabel(String newLabel) {
		String oldLabel = label;
		label = newLabel;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, RoxgtPackage.EDGE__LABEL, oldLabel, label));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Property> getProperties() {
		if (properties == null) {
			properties = new EObjectContainmentEList<Property>(Property.class, this, RoxgtPackage.EDGE__PROPERTIES);
		}
		return properties;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Node getSource() {
		if (source != null && source.eIsProxy()) {
			InternalEObject oldSource = (InternalEObject)source;
			source = (Node)eResolveProxy(oldSource);
			if (source != oldSource) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, RoxgtPackage.EDGE__SOURCE, oldSource, source));
			}
		}
		return source;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Node basicGetSource() {
		return source;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSource(Node newSource) {
		Node oldSource = source;
		source = newSource;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, RoxgtPackage.EDGE__SOURCE, oldSource, source));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Node getTarget() {
		if (target != null && target.eIsProxy()) {
			InternalEObject oldTarget = (InternalEObject)target;
			target = (Node)eResolveProxy(oldTarget);
			if (target != oldTarget) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, RoxgtPackage.EDGE__TARGET, oldTarget, target));
			}
		}
		return target;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Node basicGetTarget() {
		return target;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTarget(Node newTarget) {
		Node oldTarget = target;
		target = newTarget;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, RoxgtPackage.EDGE__TARGET, oldTarget, target));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case RoxgtPackage.EDGE__PROPERTIES:
				return ((InternalEList<?>)getProperties()).basicRemove(otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case RoxgtPackage.EDGE__LABEL:
				return getLabel();
			case RoxgtPackage.EDGE__PROPERTIES:
				return getProperties();
			case RoxgtPackage.EDGE__SOURCE:
				if (resolve) return getSource();
				return basicGetSource();
			case RoxgtPackage.EDGE__TARGET:
				if (resolve) return getTarget();
				return basicGetTarget();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case RoxgtPackage.EDGE__LABEL:
				setLabel((String)newValue);
				return;
			case RoxgtPackage.EDGE__PROPERTIES:
				getProperties().clear();
				getProperties().addAll((Collection<? extends Property>)newValue);
				return;
			case RoxgtPackage.EDGE__SOURCE:
				setSource((Node)newValue);
				return;
			case RoxgtPackage.EDGE__TARGET:
				setTarget((Node)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case RoxgtPackage.EDGE__LABEL:
				setLabel(LABEL_EDEFAULT);
				return;
			case RoxgtPackage.EDGE__PROPERTIES:
				getProperties().clear();
				return;
			case RoxgtPackage.EDGE__SOURCE:
				setSource((Node)null);
				return;
			case RoxgtPackage.EDGE__TARGET:
				setTarget((Node)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case RoxgtPackage.EDGE__LABEL:
				return LABEL_EDEFAULT == null ? label != null : !LABEL_EDEFAULT.equals(label);
			case RoxgtPackage.EDGE__PROPERTIES:
				return properties != null && !properties.isEmpty();
			case RoxgtPackage.EDGE__SOURCE:
				return source != null;
			case RoxgtPackage.EDGE__TARGET:
				return target != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (label: ");
		result.append(label);
		result.append(')');
		return result.toString();
	}

} //EdgeImpl