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/*******************************************************************************
* 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.mappings;
import java.util.List;
import org.eclipse.emf.common.util.EList;
import org.eclipse.jpt.core.internal.ITextRange;
import org.eclipse.jpt.core.internal.ITypeMapping;
import org.eclipse.jpt.db.internal.Table;
/**
* <!-- begin-user-doc -->
* A representation of the model object '<em><b>IAssociation Override</b></em>'.
* <!-- end-user-doc -->
*
* <p>
* The following features are supported:
* <ul>
* <li>{@link org.eclipse.jpt.core.internal.mappings.IAssociationOverride#getJoinColumns <em>Join Columns</em>}</li>
* <li>{@link org.eclipse.jpt.core.internal.mappings.IAssociationOverride#getSpecifiedJoinColumns <em>Specified Join Columns</em>}</li>
* <li>{@link org.eclipse.jpt.core.internal.mappings.IAssociationOverride#getDefaultJoinColumns <em>Default Join Columns</em>}</li>
* </ul>
* </p>
*
* @see org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage#getIAssociationOverride()
* @model kind="class" interface="true" abstract="true"
* @generated
*/
public interface IAssociationOverride extends IOverride
{
/**
* Returns the value of the '<em><b>Join Columns</b></em>' containment reference list.
* The list contents are of type {@link org.eclipse.jpt.core.internal.mappings.IJoinColumn}.
* <!-- 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.core.internal.mappings.JpaCoreMappingsPackage#getIAssociationOverride_JoinColumns()
* @model type="org.eclipse.jpt.core.internal.mappings.IJoinColumn" containment="true" transient="true" changeable="false" volatile="true"
* @generated
*/
EList<IJoinColumn> getJoinColumns();
/**
* Returns the value of the '<em><b>Specified Join Columns</b></em>' containment reference list.
* The list contents are of type {@link org.eclipse.jpt.core.internal.mappings.IJoinColumn}.
* <!-- begin-user-doc -->
* <p>
* If the meaning of the '<em>Specified 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>Specified Join Columns</em>' containment reference list.
* @see org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage#getIAssociationOverride_SpecifiedJoinColumns()
* @model type="org.eclipse.jpt.core.internal.mappings.IJoinColumn" containment="true"
* @generated
*/
EList<IJoinColumn> getSpecifiedJoinColumns();
/**
* Returns the value of the '<em><b>Default Join Columns</b></em>' containment reference list.
* The list contents are of type {@link org.eclipse.jpt.core.internal.mappings.IJoinColumn}.
* <!-- begin-user-doc -->
* <p>
* If the meaning of the '<em>Default 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>Default Join Columns</em>' containment reference list.
* @see org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage#getIAssociationOverride_DefaultJoinColumns()
* @model type="org.eclipse.jpt.core.internal.mappings.IJoinColumn" containment="true"
* @generated
*/
EList<IJoinColumn> getDefaultJoinColumns();
IJoinColumn createJoinColumn(int index);
boolean containsSpecifiedJoinColumns();
ITypeMapping typeMapping();
public class JoinColumnOwner implements IJoinColumn.Owner
{
private IAssociationOverride associationOverride;
public JoinColumnOwner(IAssociationOverride associationOverride) {
super();
this.associationOverride = associationOverride;
}
/**
* by default, the join column is in the type mapping's primary table
*/
public String defaultTableName() {
return this.associationOverride.getOwner().getTypeMapping().getTableName();
}
public List joinColumns() {
return this.associationOverride.getJoinColumns();
}
public IEntity targetEntity() {
return getRelationshipMapping().getResolvedTargetEntity();
}
public String attributeName() {
return this.associationOverride.getName();
}
public IRelationshipMapping getRelationshipMapping() {
//TODO cast or check instanceof first??
return (IRelationshipMapping) this.associationOverride.getOwner().attributeMapping(this.associationOverride.getName());
}
public boolean tableNameIsInvalid(String tableName) {
return getTypeMapping().tableNameIsInvalid(tableName);
}
/**
* the join column can be on a secondary table
*/
public boolean tableIsAllowed() {
return true;
}
public ITextRange getTextRange() {
return this.associationOverride.getTextRange();
}
public ITypeMapping getTypeMapping() {
return this.associationOverride.getOwner().getTypeMapping();
}
public Table dbTable(String tableName) {
return getTypeMapping().dbTable(tableName);
}
public Table dbReferencedColumnTable() {
IEntity targetEntity = targetEntity();
return (targetEntity == null) ? null : targetEntity().primaryDbTable();
}
}
}
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