/*******************************************************************************
 *  Copyright (c) 2008  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.eclipselink.core.resource.elorm;

import org.eclipse.emf.common.util.EList;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Xml Single Relationship Mapping</b></em>'.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.jpt.eclipselink.core.resource.elorm.XmlSingleRelationshipMapping#getOptional <em>Optional</em>}</li>
 *   <li>{@link org.eclipse.jpt.eclipselink.core.resource.elorm.XmlSingleRelationshipMapping#getJoinColumns <em>Join Columns</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.jpt.eclipselink.core.resource.elorm.EclipseLinkOrmPackage#getXmlSingleRelationshipMapping()
 * @model kind="class" interface="true" abstract="true"
 * @generated
 */
public interface XmlSingleRelationshipMapping extends XmlRelationshipMapping
{
	/**
	 * Returns the value of the '<em><b>Optional</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Optional</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Optional</em>' attribute.
	 * @see #setOptional(Boolean)
	 * @see org.eclipse.jpt.eclipselink.core.resource.elorm.EclipseLinkOrmPackage#getXmlSingleRelationshipMapping_Optional()
	 * @model dataType="org.eclipse.emf.ecore.xml.type.BooleanObject"
	 * @generated
	 */
	Boolean getOptional();

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.eclipselink.core.resource.elorm.XmlSingleRelationshipMapping#getOptional <em>Optional</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Optional</em>' attribute.
	 * @see #getOptional()
	 * @generated
	 */
	void setOptional(Boolean value);

	/**
	 * Returns the value of the '<em><b>Join Columns</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.jpt.eclipselink.core.resource.elorm.XmlJoinColumn}.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Join 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>Join Columns</em>' containment reference list.
	 * @see org.eclipse.jpt.eclipselink.core.resource.elorm.EclipseLinkOrmPackage#getXmlSingleRelationshipMapping_JoinColumns()
	 * @model containment="true"
	 * @generated
	 */
	EList<XmlJoinColumn> getJoinColumns();

} // XmlSingleRelationshipMapping