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/**
 * 
 * 
 *
 * $Id: AbstractNegatedTokenImpl.java,v 1.3 2010/04/06 14:09:51 sefftinge Exp $
 */
package org.eclipse.xtext.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.xtext.AbstractElement;
import org.eclipse.xtext.AbstractNegatedToken;
import org.eclipse.xtext.XtextPackage;

/**
 * 
 * An implementation of the model object 'Abstract Negated Token'.
 * 
 * 
 * The following features are implemented:
 * 

 *   {@link org.eclipse.xtext.impl.AbstractNegatedTokenImpl#getTerminal Terminal}
 * 
 * 
 *
 * @generated
 */
public class AbstractNegatedTokenImpl extends AbstractElementImpl implements AbstractNegatedToken {
	/**
	 * The cached value of the '{@link #getTerminal() Terminal}' containment reference.
	 * 
	 * 
	 * @see #getTerminal()
	 * @generated
	 * @ordered
	 */
	protected AbstractElement terminal;

	/**
	 * 
	 * 
	 * @generated
	 */
	protected AbstractNegatedTokenImpl() {
		super();
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return XtextPackage.Literals.ABSTRACT_NEGATED_TOKEN;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public AbstractElement getTerminal() {
		return terminal;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public NotificationChain basicSetTerminal(AbstractElement newTerminal, NotificationChain msgs) {
		AbstractElement oldTerminal = terminal;
		terminal = newTerminal;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL, oldTerminal, newTerminal);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public void setTerminal(AbstractElement newTerminal) {
		if (newTerminal != terminal) {
			NotificationChain msgs = null;
			if (terminal != null)
				msgs = ((InternalEObject)terminal).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL, null, msgs);
			if (newTerminal != null)
				msgs = ((InternalEObject)newTerminal).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL, null, msgs);
			msgs = basicSetTerminal(newTerminal, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL, newTerminal, newTerminal));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL:
				return basicSetTerminal(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL:
				return getTerminal();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL:
				setTerminal((AbstractElement)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL:
				setTerminal((AbstractElement)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL:
				return terminal != null;
		}
		return super.eIsSet(featureID);
	}

} //AbstractNegatedTokenImpl