jtl-eclipse-master/JTL.emftext.JTL/src/JTL/essentialocl/impl/CollectionRangeImpl.java
/**
 */
package JTL.essentialocl.impl;

import JTL.essentialocl.CollectionRange;
import JTL.essentialocl.EssentialoclPackage;
import JTL.essentialocl.OclExpression;

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;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Collection Range</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link JTL.essentialocl.impl.CollectionRangeImpl#getFirst <em>First</em>}</li>
 *   <li>{@link JTL.essentialocl.impl.CollectionRangeImpl#getLast <em>Last</em>}</li>
 * </ul>
 *
 * @generated
 */
public class CollectionRangeImpl extends CollectionLiteralPartImpl implements CollectionRange {
	/**
	 * The cached value of the '{@link #getFirst() <em>First</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFirst()
	 * @generated
	 * @ordered
	 */
	protected OclExpression first;

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetFirst(OclExpression newFirst, NotificationChain msgs) {
		OclExpression oldFirst = first;
		first = newFirst;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EssentialoclPackage.COLLECTION_RANGE__FIRST, oldFirst, newFirst);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFirst(OclExpression newFirst) {
		if (newFirst != first) {
			NotificationChain msgs = null;
			if (first != null)
				msgs = ((InternalEObject)first).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - EssentialoclPackage.COLLECTION_RANGE__FIRST, null, msgs);
			if (newFirst != null)
				msgs = ((InternalEObject)newFirst).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - EssentialoclPackage.COLLECTION_RANGE__FIRST, null, msgs);
			msgs = basicSetFirst(newFirst, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, EssentialoclPackage.COLLECTION_RANGE__FIRST, newFirst, newFirst));
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetLast(OclExpression newLast, NotificationChain msgs) {
		OclExpression oldLast = last;
		last = newLast;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EssentialoclPackage.COLLECTION_RANGE__LAST, oldLast, newLast);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setLast(OclExpression newLast) {
		if (newLast != last) {
			NotificationChain msgs = null;
			if (last != null)
				msgs = ((InternalEObject)last).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - EssentialoclPackage.COLLECTION_RANGE__LAST, null, msgs);
			if (newLast != null)
				msgs = ((InternalEObject)newLast).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - EssentialoclPackage.COLLECTION_RANGE__LAST, null, msgs);
			msgs = basicSetLast(newLast, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, EssentialoclPackage.COLLECTION_RANGE__LAST, newLast, newLast));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case EssentialoclPackage.COLLECTION_RANGE__FIRST:
				return basicSetFirst(null, msgs);
			case EssentialoclPackage.COLLECTION_RANGE__LAST:
				return basicSetLast(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 EssentialoclPackage.COLLECTION_RANGE__FIRST:
				return getFirst();
			case EssentialoclPackage.COLLECTION_RANGE__LAST:
				return getLast();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case EssentialoclPackage.COLLECTION_RANGE__FIRST:
				setFirst((OclExpression)newValue);
				return;
			case EssentialoclPackage.COLLECTION_RANGE__LAST:
				setLast((OclExpression)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case EssentialoclPackage.COLLECTION_RANGE__FIRST:
				setFirst((OclExpression)null);
				return;
			case EssentialoclPackage.COLLECTION_RANGE__LAST:
				setLast((OclExpression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case EssentialoclPackage.COLLECTION_RANGE__FIRST:
				return first != null;
			case EssentialoclPackage.COLLECTION_RANGE__LAST:
				return last != null;
		}
		return super.eIsSet(featureID);
	}

} //CollectionRangeImpl
