ViewExpressionColumnImpl.java

/*******************************************************************************
 * Copyright (c) 2007 Borland Software Corporation and others.
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Borland Software Corporation - initial API and implementation
 *******************************************************************************/
package rdb.view.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;

import rdb.view.ViewExpressionColumn;
import rdb.view.ViewPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Expression Column</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link rdb.view.impl.ViewExpressionColumnImpl#getExpression <em>Expression</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ViewExpressionColumnImpl extends ViewColumnImpl implements ViewExpressionColumn {
	/**
	 * The default value of the '{@link #getExpression() <em>Expression</em>}' attribute.
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @see #getExpression()
	 * @generated
	 * @ordered
	 */
    protected static final String EXPRESSION_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getExpression() <em>Expression</em>}' attribute.
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @see #getExpression()
	 * @generated
	 * @ordered
	 */
    protected String expression = EXPRESSION_EDEFAULT;

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

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

	/**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    public String getExpression() {
		return expression;
	}

	/**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    public void setExpression(String newExpression) {
		String oldExpression = expression;
		expression = newExpression;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ViewPackage.VIEW_EXPRESSION_COLUMN__EXPRESSION, oldExpression, expression));
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ViewPackage.VIEW_EXPRESSION_COLUMN__EXPRESSION:
				setExpression(EXPRESSION_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ViewPackage.VIEW_EXPRESSION_COLUMN__EXPRESSION:
				return EXPRESSION_EDEFAULT == null ? expression != null : !EXPRESSION_EDEFAULT.equals(expression);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    @Override
				public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (expression: "); //$NON-NLS-1$
		result.append(expression);
		result.append(')');
		return result.toString();
	}

} //ViewExpressionColumnImpl