DefImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package net.sf.orcc.ir.impl;

import net.sf.orcc.ir.Def;
import net.sf.orcc.ir.IrPackage;
import net.sf.orcc.ir.Var;

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.emf.ecore.impl.EObjectImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Def</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.orcc.ir.impl.DefImpl#getVariable <em>Variable</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class DefImpl extends EObjectImpl implements Def {
	/**
	 * The cached value of the '{@link #getVariable() <em>Variable</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariable()
	 * @generated
	 * @ordered
	 */
	protected Var variable;

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Var basicGetVariable() {
		return variable;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetVariable(Var newVariable,
			NotificationChain msgs) {
		Var oldVariable = variable;
		variable = newVariable;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, IrPackage.DEF__VARIABLE, oldVariable,
					newVariable);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case IrPackage.DEF__VARIABLE:
			if (resolve)
				return getVariable();
			return basicGetVariable();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case IrPackage.DEF__VARIABLE:
			if (variable != null)
				msgs = ((InternalEObject) variable).eInverseRemove(this,
						IrPackage.VAR__DEFS, Var.class, msgs);
			return basicSetVariable((Var) otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case IrPackage.DEF__VARIABLE:
			return basicSetVariable(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case IrPackage.DEF__VARIABLE:
			return variable != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case IrPackage.DEF__VARIABLE:
			setVariable((Var) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case IrPackage.DEF__VARIABLE:
			setVariable((Var) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Var getVariable() {
		if (variable != null && variable.eIsProxy()) {
			InternalEObject oldVariable = (InternalEObject) variable;
			variable = (Var) eResolveProxy(oldVariable);
			if (variable != oldVariable) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
							IrPackage.DEF__VARIABLE, oldVariable, variable));
			}
		}
		return variable;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setVariable(Var newVariable) {
		if (newVariable != variable) {
			NotificationChain msgs = null;
			if (variable != null)
				msgs = ((InternalEObject) variable).eInverseRemove(this,
						IrPackage.VAR__DEFS, Var.class, msgs);
			if (newVariable != null)
				msgs = ((InternalEObject) newVariable).eInverseAdd(this,
						IrPackage.VAR__DEFS, Var.class, msgs);
			msgs = basicSetVariable(newVariable, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					IrPackage.DEF__VARIABLE, newVariable, newVariable));
	}

	@Override
	public String toString() {
		return "def of: " + variable;
	}

} //DefImpl