ObjectBasedExpressionImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id: ObjectBasedExpressionImpl.java,v 1.2 2011/03/05 21:52:04 auhl Exp $
 */
package dataaccess.expressions.impl;

import dataaccess.expressions.Expression;
import dataaccess.expressions.ExpressionsPackage;
import dataaccess.expressions.ObjectBasedExpression;

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>Object Based Expression</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link dataaccess.expressions.impl.ObjectBasedExpressionImpl#getObject <em>Object</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class ObjectBasedExpressionImpl extends ExpressionImpl implements ObjectBasedExpression {
	/**
	 * The cached value of the '{@link #getObject() <em>Object</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getObject()
	 * @generated
	 * @ordered
	 */
	protected Expression object;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Expression getObject() {
		if (object != null && object.eIsProxy()) {
			InternalEObject oldObject = (InternalEObject)object;
			object = (Expression)eResolveProxy(oldObject);
			if (object != oldObject) {
				InternalEObject newObject = (InternalEObject)object;
				NotificationChain msgs =  oldObject.eInverseRemove(this, ExpressionsPackage.EXPRESSION__OBJECT_BASED_EXPRESSION, Expression.class, null);
				if (newObject.eInternalContainer() == null) {
					msgs =  newObject.eInverseAdd(this, ExpressionsPackage.EXPRESSION__OBJECT_BASED_EXPRESSION, Expression.class, msgs);
				}
				if (msgs != null) msgs.dispatch();
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT, oldObject, object));
			}
		}
		return object;
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetObject(Expression newObject, NotificationChain msgs) {
		Expression oldObject = object;
		object = newObject;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT, oldObject, newObject);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setObject(Expression newObject) {
		if (newObject != object) {
			NotificationChain msgs = null;
			if (object != null)
				msgs = ((InternalEObject)object).eInverseRemove(this, ExpressionsPackage.EXPRESSION__OBJECT_BASED_EXPRESSION, Expression.class, msgs);
			if (newObject != null)
				msgs = ((InternalEObject)newObject).eInverseAdd(this, ExpressionsPackage.EXPRESSION__OBJECT_BASED_EXPRESSION, Expression.class, msgs);
			msgs = basicSetObject(newObject, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT, newObject, newObject));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT:
				if (object != null)
					msgs = ((InternalEObject)object).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT, null, msgs);
				return basicSetObject((Expression)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 ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT:
				return basicSetObject(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 ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT:
				if (resolve) return getObject();
				return basicGetObject();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ExpressionsPackage.OBJECT_BASED_EXPRESSION__OBJECT:
				setObject((Expression)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //ObjectBasedExpressionImpl