| /******************************************************************************* |
| * 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.platform; |
| |
| import java.util.List; |
| import org.eclipse.jpt.core.internal.content.orm.XmlRelationshipMapping; |
| import org.eclipse.jpt.core.internal.content.orm.XmlTypeMapping; |
| import org.eclipse.jpt.core.internal.mappings.IEntity; |
| import org.eclipse.jpt.core.internal.mappings.IJoinColumn; |
| import org.eclipse.jpt.core.internal.validation.IJpaValidationMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationMessages; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| |
| public class JoinColumnContext extends AbstractJoinColumnContext<IJoinColumn> |
| { |
| public JoinColumnContext(IContext parentContext, IJoinColumn column) { |
| super(parentContext, column); |
| } |
| |
| /** |
| * return the join column's default name; |
| * which is typically <attribute name>_<referenced column name> |
| * but, if we don't have an attribute name (e.g. in a unidirectional |
| * OneToMany or ManyToMany) is |
| * <target entity name>_<referenced column name> |
| */ |
| // <attribute name>_<referenced column name> |
| // or |
| // <target entity name>_<referenced column name> |
| protected String buildDefaultName() { |
| if (getColumn().getOwner().joinColumns().size() != 1) { |
| return null; |
| } |
| String prefix = getColumn().getOwner().attributeName(); |
| if (prefix == null) { |
| prefix = targetEntityName(); |
| } |
| if (prefix == null) { |
| return null; |
| } |
| // TODO not sure which of these is correct... |
| // (the spec implies that the referenced column is always the |
| // primary key column of the target entity) |
| // String targetColumn = this.targetPrimaryKeyColumnName(); |
| String targetColumn = getColumn().getReferencedColumnName(); |
| if (targetColumn == null) { |
| return null; |
| } |
| return prefix + "_" + targetColumn; |
| } |
| |
| /** |
| * return the name of the target entity |
| */ |
| private String targetEntityName() { |
| IEntity targetEntity = getColumn().getOwner().targetEntity(); |
| return (targetEntity == null) ? null : targetEntity.getName(); |
| } |
| |
| protected String buildDefaultReferencedColumnName() { |
| if (getColumn().getOwner().joinColumns().size() != 1) { |
| return null; |
| } |
| return this.targetPrimaryKeyColumnName(); |
| } |
| /** |
| * return the name of the single primary key column of the target entity |
| */ |
| private String targetPrimaryKeyColumnName() { |
| IEntity targetEntity = getColumn().getOwner().targetEntity(); |
| return (targetEntity == null) ? null : targetEntity.primaryKeyColumnName(); |
| } |
| |
| /** used internally as a mechanism to short circuit continued message adding */ |
| private boolean doContinue; |
| |
| @Override |
| public void addToMessages(List<IMessage> messages) { |
| super.addToMessages(messages); |
| |
| String table = column.getTable(); |
| XmlRelationshipMapping mapping = |
| (XmlRelationshipMapping) column.getOwner().getRelationshipMapping(); |
| XmlTypeMapping typeMapping = |
| (XmlTypeMapping) column.getOwner().getTypeMapping(); |
| doContinue = column.isConnected(); |
| |
| // if (doContinue && typeMapping.tableNameIsInvalid(table)) { |
| // if (mapping.isVirtual()) { |
| // messages.add( |
| // JpaValidationMessages.buildMessage( |
| // IMessage.HIGH_SEVERITY, |
| // IJpaValidationMessages.VIRTUAL_ATTRIBUTE_COLUMN_UNRESOLVED_TABLE, |
| // new String[] {mapping.getPersistentAttribute().getName(), table, column.getName()}, |
| // column, column.getTableTextRange()) |
| // ); |
| // } |
| // else { |
| // messages.add( |
| // JpaValidationMessages.buildMessage( |
| // IMessage.HIGH_SEVERITY, |
| // IJpaValidationMessages.COLUMN_UNRESOLVED_TABLE, |
| // new String[] {table, column.getName()}, |
| // column, column.getTableTextRange()) |
| // ); |
| // } |
| // doContinue = false; |
| // } |
| // |
| if (doContinue && ! column.isResolved()) { |
| if (mapping.isVirtual()) { |
| messages.add( |
| JpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| IJpaValidationMessages.VIRTUAL_ATTRIBUTE_COLUMN_UNRESOLVED_NAME, |
| new String[] {mapping.getPersistentAttribute().getName(), column.getName()}, |
| column, column.nameTextRange()) |
| ); |
| } |
| else { |
| messages.add( |
| JpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| IJpaValidationMessages.COLUMN_UNRESOLVED_NAME, |
| new String[] {column.getName()}, |
| column, column.nameTextRange()) |
| ); |
| } |
| } |
| } |
| } |