/*******************************************************************************
 * Copyright (c) 2007 Oracle. 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:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.core.internal.content.orm;

import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.jpt.core.internal.XmlEObject;

/**
 * This class is purely used to hack around a problem with the translators and representing
 * the IEntity.idClass feature in the xml.  Added this object to correspend to the
 * id-class type in the xml since the translator path approach caused the id-class element
 * to be added even when the idClass was null.  This occurred when you added a new persistent
 * type to the orm.xml via the structure view.
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.jpt.core.internal.content.orm.XmlIdClass#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.jpt.core.internal.content.orm.OrmPackage#getXmlIdClass()
 * @model kind="class"
 * @generated
 */
public class XmlIdClass extends XmlEObject
{
	/**
	 * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected static final String VALUE_EDEFAULT = "";

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

	protected XmlIdClass() {
		super();
		this.eAdapters().add(this.buildListener());
	}

	protected Adapter buildListener() {
		return new AdapterImpl() {
			@Override
			public void notifyChanged(Notification notification) {
				XmlIdClass.this.notifyChanged(notification);
			}
		};
	}

	protected void notifyChanged(Notification notification) {
		switch (notification.getFeatureID(XmlIdClass.class)) {
			case OrmPackage.XML_ID_CLASS__VALUE :
				valueChanged();
				break;
			default :
				break;
		}
	}

	private Owner owner() {
		return (Owner) eContainer();
	}

	protected void valueChanged() {
		owner().setIdClass(getValue());
	}

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

	/**
	 * Returns the value of the '<em><b>Value</b></em>' attribute.
	 * The default value is <code>""</code>.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value</em>' attribute.
	 * @see #setValue(String)
	 * @see org.eclipse.jpt.core.internal.content.orm.OrmPackage#getXmlIdClass_Value()
	 * @model default=""
	 * @generated
	 */
	public String getValue() {
		return value;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.core.internal.content.orm.XmlIdClass#getValue <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value</em>' attribute.
	 * @see #getValue()
	 * @generated
	 */
	public void setValue(String newValue) {
		String oldValue = value;
		value = newValue;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, OrmPackage.XML_ID_CLASS__VALUE, oldValue, value));
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case OrmPackage.XML_ID_CLASS__VALUE :
				setValue(VALUE_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case OrmPackage.XML_ID_CLASS__VALUE :
				return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
		}
		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(" (value: ");
		result.append(value);
		result.append(')');
		return result.toString();
	}


	public interface Owner
	{
		void setIdClass(String idClass);
	}
} // XmlIdClass