/*******************************************************************************
 * 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.resource.orm;

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 -->
 * A representation of the model object '<em><b>Version</b></em>'.
 * <!-- end-user-doc -->
 *
 *
 * @see org.eclipse.jpt.core.resource.orm.OrmPackage#getVersionImpl()
 * @model kind="class"
 * @generated
 */
public class VersionImpl extends AbstractXmlAttributeMapping implements XmlVersion
{
	/**
	 * The cached value of the '{@link #getColumn() <em>Column</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getColumn()
	 * @generated
	 * @ordered
	 */
	protected XmlColumn column;

	/**
	 * changed this to null and removed the generated flag so emf won't generate over it
	 * we don't want a default for enums, just null if the tag does not exist
	 */
	protected static final TemporalType TEMPORAL_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getTemporal() <em>Temporal</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTemporal()
	 * @generated
	 * @ordered
	 */
	protected TemporalType temporal = TEMPORAL_EDEFAULT;

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

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

	/**
	 * Returns the value of the '<em><b>Column</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Column</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Column</em>' containment reference.
	 * @see #setColumn(XmlColumn)
	 * @see org.eclipse.jpt.core.resource.orm.OrmPackage#getColumnMapping_Column()
	 * @model containment="true"
	 * @generated
	 */
	public XmlColumn getColumn()
	{
		return column;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetColumn(XmlColumn newColumn, NotificationChain msgs)
	{
		XmlColumn oldColumn = column;
		column = newColumn;
		if (eNotificationRequired())
		{
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, OrmPackage.VERSION_IMPL__COLUMN, oldColumn, newColumn);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.core.resource.orm.VersionImpl#getColumn <em>Column</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Column</em>' containment reference.
	 * @see #getColumn()
	 * @generated
	 */
	public void setColumn(XmlColumn newColumn)
	{
		if (newColumn != column)
		{
			NotificationChain msgs = null;
			if (column != null)
				msgs = ((InternalEObject)column).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - OrmPackage.VERSION_IMPL__COLUMN, null, msgs);
			if (newColumn != null)
				msgs = ((InternalEObject)newColumn).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - OrmPackage.VERSION_IMPL__COLUMN, null, msgs);
			msgs = basicSetColumn(newColumn, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, OrmPackage.VERSION_IMPL__COLUMN, newColumn, newColumn));
	}

	/**
	 * Returns the value of the '<em><b>Temporal</b></em>' attribute.
	 * The literals are from the enumeration {@link org.eclipse.jpt.core.resource.orm.TemporalType}.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Temporal</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Temporal</em>' attribute.
	 * @see org.eclipse.jpt.core.resource.orm.TemporalType
	 * @see #setTemporal(TemporalType)
	 * @see org.eclipse.jpt.core.resource.orm.OrmPackage#getXmlVersion_Temporal()
	 * @model
	 * @generated
	 */
	public TemporalType getTemporal()
	{
		return temporal;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.core.resource.orm.VersionImpl#getTemporal <em>Temporal</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Temporal</em>' attribute.
	 * @see org.eclipse.jpt.core.resource.orm.TemporalType
	 * @see #getTemporal()
	 * @generated
	 */
	public void setTemporal(TemporalType newTemporal)
	{
		TemporalType oldTemporal = temporal;
		temporal = newTemporal == null ? TEMPORAL_EDEFAULT : newTemporal;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, OrmPackage.VERSION_IMPL__TEMPORAL, oldTemporal, temporal));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
	{
		switch (featureID)
		{
			case OrmPackage.VERSION_IMPL__COLUMN:
				return basicSetColumn(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 OrmPackage.VERSION_IMPL__COLUMN:
				return getColumn();
			case OrmPackage.VERSION_IMPL__TEMPORAL:
				return getTemporal();
		}
		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.VERSION_IMPL__COLUMN:
				setColumn((XmlColumn)newValue);
				return;
			case OrmPackage.VERSION_IMPL__TEMPORAL:
				setTemporal((TemporalType)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID)
	{
		switch (featureID)
		{
			case OrmPackage.VERSION_IMPL__COLUMN:
				setColumn((XmlColumn)null);
				return;
			case OrmPackage.VERSION_IMPL__TEMPORAL:
				setTemporal(TEMPORAL_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID)
	{
		switch (featureID)
		{
			case OrmPackage.VERSION_IMPL__COLUMN:
				return column != null;
			case OrmPackage.VERSION_IMPL__TEMPORAL:
				return temporal != TEMPORAL_EDEFAULT;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass)
	{
		if (baseClass == ColumnMapping.class)
		{
			switch (derivedFeatureID)
			{
				case OrmPackage.VERSION_IMPL__COLUMN: return OrmPackage.COLUMN_MAPPING__COLUMN;
				default: return -1;
			}
		}
		if (baseClass == XmlVersion.class)
		{
			switch (derivedFeatureID)
			{
				case OrmPackage.VERSION_IMPL__TEMPORAL: return OrmPackage.XML_VERSION__TEMPORAL;
				default: return -1;
			}
		}
		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eDerivedStructuralFeatureID(int baseFeatureID, Class<?> baseClass)
	{
		if (baseClass == ColumnMapping.class)
		{
			switch (baseFeatureID)
			{
				case OrmPackage.COLUMN_MAPPING__COLUMN: return OrmPackage.VERSION_IMPL__COLUMN;
				default: return -1;
			}
		}
		if (baseClass == XmlVersion.class)
		{
			switch (baseFeatureID)
			{
				case OrmPackage.XML_VERSION__TEMPORAL: return OrmPackage.VERSION_IMPL__TEMPORAL;
				default: return -1;
			}
		}
		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
	}

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

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (temporal: ");
		result.append(temporal);
		result.append(')');
		return result.toString();
	}

} // Version