/*******************************************************************************
 * Copyright (c) 2009 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.jpa.eclipselink.core.resource.orm;

import java.util.Collection;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.jpt.common.core.internal.utility.translators.BooleanTranslator;
import org.eclipse.jpt.common.core.internal.utility.translators.SimpleTranslator;
import org.eclipse.jpt.jpa.core.resource.orm.XmlColumn;
import org.eclipse.jpt.jpa.core.resource.xml.AbstractJpaEObject;
import org.eclipse.jpt.jpa.core.resource.xml.JpaEObject;
import org.eclipse.wst.common.internal.emf.resource.Translator;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Xml Optimistic Locking</b></em>'.
 *  
 * Provisional API: This interface is part of an interim API that is still
 * under development and expected to change significantly before reaching
 * stability. It is available at this early stage to solicit feedback from
 * pioneering adopters on the understanding that any code that uses this API
 * will almost certainly be broken (repeatedly) as the API evolves.
 * 
 * @version 2.2
 * @since 2.2
 * 
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLocking#getType <em>Type</em>}</li>
 *   <li>{@link org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLocking#getCascade <em>Cascade</em>}</li>
 *   <li>{@link org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLocking#getSelectedColumns <em>Selected Columns</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.jpt.jpa.eclipselink.core.resource.orm.EclipseLinkOrmPackage#getXmlOptimisticLocking()
 * @model kind="class"
 * @extends JpaEObject
 * @generated
 */
public class XmlOptimisticLocking extends AbstractJpaEObject implements JpaEObject
{
	/**
	 * 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 XmlOptimisticLockingType TYPE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getType() <em>Type</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected XmlOptimisticLockingType type = TYPE_EDEFAULT;

	/**
	 * The default value of the '{@link #getCascade() <em>Cascade</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getCascade()
	 * @generated
	 * @ordered
	 */
	protected static final Boolean CASCADE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getCascade() <em>Cascade</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getCascade()
	 * @generated
	 * @ordered
	 */
	protected Boolean cascade = CASCADE_EDEFAULT;

	/**
	 * The cached value of the '{@link #getSelectedColumns() <em>Selected Columns</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSelectedColumns()
	 * @generated
	 * @ordered
	 */
	protected EList<XmlColumn> selectedColumns;

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

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

	/**
	 * Returns the value of the '<em><b>Type</b></em>' attribute.
	 * The literals are from the enumeration {@link org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLockingType}.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Type</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Type</em>' attribute.
	 * @see org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLockingType
	 * @see #setType(XmlOptimisticLockingType)
	 * @see org.eclipse.jpt.jpa.eclipselink.core.resource.orm.EclipseLinkOrmPackage#getXmlOptimisticLocking_Type()
	 * @model
	 * @generated
	 */
	public XmlOptimisticLockingType getType()
	{
		return type;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLocking#getType <em>Type</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Type</em>' attribute.
	 * @see org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLockingType
	 * @see #getType()
	 * @generated
	 */
	public void setType(XmlOptimisticLockingType newType)
	{
		XmlOptimisticLockingType oldType = type;
		type = newType == null ? TYPE_EDEFAULT : newType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__TYPE, oldType, type));
	}

	/**
	 * Returns the value of the '<em><b>Cascade</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Cascade</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Cascade</em>' attribute.
	 * @see #setCascade(Boolean)
	 * @see org.eclipse.jpt.jpa.eclipselink.core.resource.orm.EclipseLinkOrmPackage#getXmlOptimisticLocking_Cascade()
	 * @model dataType="org.eclipse.emf.ecore.xml.type.BooleanObject"
	 * @generated
	 */
	public Boolean getCascade()
	{
		return cascade;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlOptimisticLocking#getCascade <em>Cascade</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Cascade</em>' attribute.
	 * @see #getCascade()
	 * @generated
	 */
	public void setCascade(Boolean newCascade)
	{
		Boolean oldCascade = cascade;
		cascade = newCascade;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__CASCADE, oldCascade, cascade));
	}

	/**
	 * Returns the value of the '<em><b>Selected Columns</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.jpt.jpa.core.resource.orm.XmlColumn}.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Selected Columns</em>' containment reference list isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Selected Columns</em>' containment reference list.
	 * @see org.eclipse.jpt.jpa.eclipselink.core.resource.orm.EclipseLinkOrmPackage#getXmlOptimisticLocking_SelectedColumns()
	 * @model containment="true"
	 * @generated
	 */
	public EList<XmlColumn> getSelectedColumns()
	{
		if (selectedColumns == null)
		{
			selectedColumns = new EObjectContainmentEList<XmlColumn>(XmlColumn.class, this, EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__SELECTED_COLUMNS);
		}
		return selectedColumns;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
	{
		switch (featureID)
		{
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__SELECTED_COLUMNS:
				return ((InternalEList<?>)getSelectedColumns()).basicRemove(otherEnd, 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 EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__TYPE:
				return getType();
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__CASCADE:
				return getCascade();
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__SELECTED_COLUMNS:
				return getSelectedColumns();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue)
	{
		switch (featureID)
		{
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__TYPE:
				setType((XmlOptimisticLockingType)newValue);
				return;
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__CASCADE:
				setCascade((Boolean)newValue);
				return;
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__SELECTED_COLUMNS:
				getSelectedColumns().clear();
				getSelectedColumns().addAll((Collection<? extends XmlColumn>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID)
	{
		switch (featureID)
		{
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__TYPE:
				setType(TYPE_EDEFAULT);
				return;
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__CASCADE:
				setCascade(CASCADE_EDEFAULT);
				return;
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__SELECTED_COLUMNS:
				getSelectedColumns().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID)
	{
		switch (featureID)
		{
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__TYPE:
				return type != TYPE_EDEFAULT;
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__CASCADE:
				return CASCADE_EDEFAULT == null ? cascade != null : !CASCADE_EDEFAULT.equals(cascade);
			case EclipseLinkOrmPackage.XML_OPTIMISTIC_LOCKING__SELECTED_COLUMNS:
				return selectedColumns != null && !selectedColumns.isEmpty();
		}
		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(" (type: ");
		result.append(type);
		result.append(", cascade: ");
		result.append(cascade);
		result.append(')');
		return result.toString();
	}
	
	// ********** translators **********

	public static Translator buildTranslator(String elementName, EStructuralFeature structuralFeature) {
		return new SimpleTranslator(elementName, structuralFeature, buildTranslatorChildren());
	}

	private static Translator[] buildTranslatorChildren() {
		return new Translator[] {
			buildTypeTranslator(),
			buildCascadeTranslator(),
			buildSelectedColumnTranslator(),
		};
	}
	
	protected static Translator buildTypeTranslator() {
		return new Translator(EclipseLink.OPTIMISTIC_LOCKING__TYPE, EclipseLinkOrmPackage.eINSTANCE.getXmlOptimisticLocking_Type(), Translator.DOM_ATTRIBUTE);
	}
	
	protected static Translator buildCascadeTranslator() {
		return new BooleanTranslator(EclipseLink.OPTIMISTIC_LOCKING__CASCADE, EclipseLinkOrmPackage.eINSTANCE.getXmlOptimisticLocking_Cascade(), Translator.DOM_ATTRIBUTE);
	}
	
	protected static Translator buildSelectedColumnTranslator() {
		return XmlColumn.buildTranslator(EclipseLink.OPTIMISTIC_LOCKING__SELECTED_COLUMN, EclipseLinkOrmPackage.eINSTANCE.getXmlOptimisticLocking_SelectedColumns());
	}

} // XmlOptimisticLocking