UnlinkExpImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id: UnlinkExpImpl.java,v 1.2 2009/01/25 23:11:18 radvorak Exp $
 */
package org.eclipse.m2m.qvt.oml.emof.ImperativeOCL.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.m2m.qvt.oml.emof.ImperativeOCL.ImperativeOCLPackage;
import org.eclipse.m2m.qvt.oml.emof.ImperativeOCL.UnlinkExp;
import org.eclipse.qvt.declarative.emof.EssentialOCL.OclExpression;


/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Unlink Exp</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.m2m.qvt.oml.emof.ImperativeOCL.impl.UnlinkExpImpl#getItem <em>Item</em>}</li>
 *   <li>{@link org.eclipse.m2m.qvt.oml.emof.ImperativeOCL.impl.UnlinkExpImpl#getTarget <em>Target</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class UnlinkExpImpl extends ImperativeExpressionImpl implements UnlinkExp {
	/**
	 * The cached value of the '{@link #getItem() <em>Item</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getItem()
	 * @generated
	 * @ordered
	 */
	protected OclExpression item;

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OclExpression getItem() {
		return item;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetItem(OclExpression newItem, NotificationChain msgs) {
		OclExpression oldItem = item;
		item = newItem;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.UNLINK_EXP__ITEM, oldItem, newItem);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setItem(OclExpression newItem) {
		if (newItem != item) {
			NotificationChain msgs = null;
			if (item != null)
				msgs = ((InternalEObject)item).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.UNLINK_EXP__ITEM, null, msgs);
			if (newItem != null)
				msgs = ((InternalEObject)newItem).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.UNLINK_EXP__ITEM, null, msgs);
			msgs = basicSetItem(newItem, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.UNLINK_EXP__ITEM, newItem, newItem));
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetTarget(OclExpression newTarget, NotificationChain msgs) {
		OclExpression oldTarget = target;
		target = newTarget;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.UNLINK_EXP__TARGET, oldTarget, newTarget);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTarget(OclExpression newTarget) {
		if (newTarget != target) {
			NotificationChain msgs = null;
			if (target != null)
				msgs = ((InternalEObject)target).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.UNLINK_EXP__TARGET, null, msgs);
			if (newTarget != null)
				msgs = ((InternalEObject)newTarget).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.UNLINK_EXP__TARGET, null, msgs);
			msgs = basicSetTarget(newTarget, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.UNLINK_EXP__TARGET, newTarget, newTarget));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ImperativeOCLPackage.UNLINK_EXP__ITEM:
				return basicSetItem(null, msgs);
			case ImperativeOCLPackage.UNLINK_EXP__TARGET:
				return basicSetTarget(null, 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 ImperativeOCLPackage.UNLINK_EXP__ITEM:
				return getItem();
			case ImperativeOCLPackage.UNLINK_EXP__TARGET:
				return getTarget();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case ImperativeOCLPackage.UNLINK_EXP__ITEM:
				setItem((OclExpression)newValue);
				return;
			case ImperativeOCLPackage.UNLINK_EXP__TARGET:
				setTarget((OclExpression)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ImperativeOCLPackage.UNLINK_EXP__ITEM:
				setItem((OclExpression)null);
				return;
			case ImperativeOCLPackage.UNLINK_EXP__TARGET:
				setTarget((OclExpression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ImperativeOCLPackage.UNLINK_EXP__ITEM:
				return item != null;
			case ImperativeOCLPackage.UNLINK_EXP__TARGET:
				return target != null;
		}
		return super.eIsSet(featureID);
	}

} //UnlinkExpImpl