FeatureNodeImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package orgomg.cwm.foundation.expressions.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.util.EObjectContainmentWithInverseEList;
import org.eclipse.emf.ecore.util.InternalEList;

import orgomg.cwm.foundation.expressions.ExpressionNode;
import orgomg.cwm.foundation.expressions.ExpressionsPackage;
import orgomg.cwm.foundation.expressions.FeatureNode;

import orgomg.cwm.objectmodel.core.CorePackage;
import orgomg.cwm.objectmodel.core.Feature;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Feature Node</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link orgomg.cwm.foundation.expressions.impl.FeatureNodeImpl#getFeature <em>Feature</em>}</li>
 *   <li>{@link orgomg.cwm.foundation.expressions.impl.FeatureNodeImpl#getArgument <em>Argument</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class FeatureNodeImpl extends ExpressionNodeImpl implements FeatureNode {
	/**
	 * The cached value of the '{@link #getFeature() <em>Feature</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFeature()
	 * @generated
	 * @ordered
	 */
	protected Feature feature;

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Feature getFeature() {
		if (feature != null && feature.eIsProxy()) {
			InternalEObject oldFeature = (InternalEObject)feature;
			feature = (Feature)eResolveProxy(oldFeature);
			if (feature != oldFeature) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ExpressionsPackage.FEATURE_NODE__FEATURE, oldFeature, feature));
			}
		}
		return feature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Feature basicGetFeature() {
		return feature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetFeature(Feature newFeature, NotificationChain msgs) {
		Feature oldFeature = feature;
		feature = newFeature;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ExpressionsPackage.FEATURE_NODE__FEATURE, oldFeature, newFeature);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFeature(Feature newFeature) {
		if (newFeature != feature) {
			NotificationChain msgs = null;
			if (feature != null)
				msgs = ((InternalEObject)feature).eInverseRemove(this, CorePackage.FEATURE__FEATURE_NODE, Feature.class, msgs);
			if (newFeature != null)
				msgs = ((InternalEObject)newFeature).eInverseAdd(this, CorePackage.FEATURE__FEATURE_NODE, Feature.class, msgs);
			msgs = basicSetFeature(newFeature, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ExpressionsPackage.FEATURE_NODE__FEATURE, newFeature, newFeature));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<ExpressionNode> getArgument() {
		if (argument == null) {
			argument = new EObjectContainmentWithInverseEList<ExpressionNode>(ExpressionNode.class, this, ExpressionsPackage.FEATURE_NODE__ARGUMENT, ExpressionsPackage.EXPRESSION_NODE__FEATURE_NODE);
		}
		return argument;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ExpressionsPackage.FEATURE_NODE__FEATURE:
				if (feature != null)
					msgs = ((InternalEObject)feature).eInverseRemove(this, CorePackage.FEATURE__FEATURE_NODE, Feature.class, msgs);
				return basicSetFeature((Feature)otherEnd, msgs);
			case ExpressionsPackage.FEATURE_NODE__ARGUMENT:
				return ((InternalEList<InternalEObject>)(InternalEList<?>)getArgument()).basicAdd(otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ExpressionsPackage.FEATURE_NODE__FEATURE:
				return basicSetFeature(null, msgs);
			case ExpressionsPackage.FEATURE_NODE__ARGUMENT:
				return ((InternalEList<?>)getArgument()).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 ExpressionsPackage.FEATURE_NODE__FEATURE:
				if (resolve) return getFeature();
				return basicGetFeature();
			case ExpressionsPackage.FEATURE_NODE__ARGUMENT:
				return getArgument();
		}
		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 ExpressionsPackage.FEATURE_NODE__FEATURE:
				setFeature((Feature)newValue);
				return;
			case ExpressionsPackage.FEATURE_NODE__ARGUMENT:
				getArgument().clear();
				getArgument().addAll((Collection<? extends ExpressionNode>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ExpressionsPackage.FEATURE_NODE__FEATURE:
				setFeature((Feature)null);
				return;
			case ExpressionsPackage.FEATURE_NODE__ARGUMENT:
				getArgument().clear();
				return;
		}
		super.eUnset(featureID);
	}

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

} //FeatureNodeImpl