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/**
 * 
 * 
 *
 * $Id: RuleCallImpl.java,v 1.15 2010/04/06 14:09:55 sefftinge Exp $
 */
package org.eclipse.xtext.impl;

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

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

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

import org.eclipse.xtext.AbstractRule;
import org.eclipse.xtext.RuleCall;
import org.eclipse.xtext.XtextPackage;

/**
 * 
 * An implementation of the model object 'Rule Call'.
 * 
 * 
 * The following features are implemented:
 * 

 *   {@link org.eclipse.xtext.impl.RuleCallImpl#getRule Rule}
 * 
 * 
 *
 * @generated
 */
public class RuleCallImpl extends AbstractElementImpl implements RuleCall {
	/**
	 * The cached value of the '{@link #getRule() Rule}' reference.
	 * 
	 * 
	 * @see #getRule()
	 * @generated
	 * @ordered
	 */
	protected AbstractRule rule;

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

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

	/**
	 * 
	 * 
	 * @generated
	 */
	public AbstractRule getRule() {
		if (rule != null && rule.eIsProxy()) {
			InternalEObject oldRule = (InternalEObject)rule;
			rule = (AbstractRule)eResolveProxy(oldRule);
			if (rule != oldRule) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, XtextPackage.RULE_CALL__RULE, oldRule, rule));
			}
		}
		return rule;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public AbstractRule basicGetRule() {
		return rule;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public void setRule(AbstractRule newRule) {
		AbstractRule oldRule = rule;
		rule = newRule;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, XtextPackage.RULE_CALL__RULE, oldRule, rule));
	}

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

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

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case XtextPackage.RULE_CALL__RULE:
				setRule((AbstractRule)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //RuleCallImpl