ApplySquareOpImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package net.sf.etl.samples.ej.ast.impl;

import java.util.Collection;

import net.sf.etl.samples.ej.ast.ApplySquareOp;
import net.sf.etl.samples.ej.ast.AstPackage;
import net.sf.etl.samples.ej.ast.Expression;

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.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Apply Square Op</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.ApplySquareOpImpl#getFunctor <em>Functor</em>}</li>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.ApplySquareOpImpl#getArgs <em>Args</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ApplySquareOpImpl extends ExpressionImpl implements ApplySquareOp {
	/**
	 * The cached value of the '{@link #getFunctor() <em>Functor</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFunctor()
	 * @generated
	 * @ordered
	 */
	protected Expression functor = null;

	/**
	 * The cached value of the '{@link #getArgs() <em>Args</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getArgs()
	 * @generated
	 * @ordered
	 */
	protected EList args = null;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Expression getFunctor() {
		return functor;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetFunctor(Expression newFunctor, NotificationChain msgs) {
		Expression oldFunctor = functor;
		functor = newFunctor;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.APPLY_SQUARE_OP__FUNCTOR, oldFunctor, newFunctor);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFunctor(Expression newFunctor) {
		if (newFunctor != functor) {
			NotificationChain msgs = null;
			if (functor != null)
				msgs = ((InternalEObject)functor).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - AstPackage.APPLY_SQUARE_OP__FUNCTOR, null, msgs);
			if (newFunctor != null)
				msgs = ((InternalEObject)newFunctor).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - AstPackage.APPLY_SQUARE_OP__FUNCTOR, null, msgs);
			msgs = basicSetFunctor(newFunctor, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, AstPackage.APPLY_SQUARE_OP__FUNCTOR, newFunctor, newFunctor));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getArgs() {
		if (args == null) {
			args = new EObjectContainmentEList(Expression.class, this, AstPackage.APPLY_SQUARE_OP__ARGS);
		}
		return args;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case AstPackage.APPLY_SQUARE_OP__FUNCTOR:
				return basicSetFunctor(null, msgs);
			case AstPackage.APPLY_SQUARE_OP__ARGS:
				return ((InternalEList)getArgs()).basicRemove(otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case AstPackage.APPLY_SQUARE_OP__FUNCTOR:
				return getFunctor();
			case AstPackage.APPLY_SQUARE_OP__ARGS:
				return getArgs();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case AstPackage.APPLY_SQUARE_OP__FUNCTOR:
				setFunctor((Expression)newValue);
				return;
			case AstPackage.APPLY_SQUARE_OP__ARGS:
				getArgs().clear();
				getArgs().addAll((Collection)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case AstPackage.APPLY_SQUARE_OP__FUNCTOR:
				setFunctor((Expression)null);
				return;
			case AstPackage.APPLY_SQUARE_OP__ARGS:
				getArgs().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case AstPackage.APPLY_SQUARE_OP__FUNCTOR:
				return functor != null;
			case AstPackage.APPLY_SQUARE_OP__ARGS:
				return args != null && !args.isEmpty();
		}
		return super.eIsSet(featureID);
	}

} //ApplySquareOpImpl