| /******************************************************************************* |
| * Copyright (c) 2006, 2011 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.core.context; |
| |
| import org.eclipse.jpt.common.core.resource.java.JavaResourceType; |
| import org.eclipse.jpt.jpa.core.context.java.JavaPersistentType; |
| import org.eclipse.jpt.jpa.db.Schema; |
| |
| /** |
| * type mapping:<ul> |
| * <li>entity |
| * <li>mapped superclass |
| * <li>embeddable |
| * </ul> |
| * 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 3.1 |
| * @since 2.0 |
| */ |
| public interface TypeMapping |
| extends JpaContextNode |
| { |
| PersistentType getPersistentType(); |
| |
| /** |
| * Return the corresponding java resource type, this can be null |
| */ |
| JavaResourceType getJavaResourceType(); |
| |
| |
| /** |
| * Return a unique key for the type mapping. If this is defined in an |
| * extension they should be equal. |
| */ |
| String getKey(); |
| |
| /** |
| * Return the name, specified or default if not specified. |
| */ |
| String getName(); |
| |
| boolean isMapped(); |
| |
| /** |
| * Return the resolved id class specified on this type mapping, null otherwise |
| */ |
| JavaPersistentType getIdClass(); |
| |
| Iterable<Query> getQueries(); |
| |
| Iterable<Generator> getGenerators(); |
| |
| |
| // ********** inheritance ********** |
| |
| /** |
| * Return the type mapping of this type mapping's super type. |
| * Return null if this is the root. |
| */ |
| TypeMapping getSuperTypeMapping(); |
| |
| /** |
| * Return the type mapping's "persistence" inheritance hierarchy, |
| * <em>including</em> the type mapping itself. |
| * The returned iterator will return elements infinitely if the hierarchy |
| * has a loop. |
| */ |
| Iterable<TypeMapping> getInheritanceHierarchy(); |
| |
| /** |
| * Return the inheritance strategy or null |
| */ |
| InheritanceType getInheritanceStrategy(); |
| |
| /** |
| * Return whether this type mapping is a root entity in an inheritance hierarchy. |
| */ |
| boolean isRootEntity(); |
| |
| /** |
| * Return the root entity of the inheritance hierarchy or null. |
| */ |
| Entity getRootEntity(); |
| |
| // ********** tables ********** |
| |
| /** |
| * Return the type mapping's primary table name. |
| * Return null if a primary table is not applicable. |
| */ |
| String getPrimaryTableName(); |
| |
| /** |
| * Return the type mapping's primary database table. |
| * Return null if a primary table is not applicable. |
| */ |
| org.eclipse.jpt.jpa.db.Table getPrimaryDbTable(); |
| |
| Schema getDbSchema(); |
| |
| /** |
| * Return the type mapping's "associated" tables, which includes the primary |
| * table and the collection of secondary tables. |
| */ |
| Iterable<ReadOnlyTable> getAssociatedTables(); |
| |
| /** |
| * Return the type mapping's "associated" tables, which includes the primary |
| * table and the collection of secondary tables, as well as all inherited |
| * "associated" tables. |
| */ |
| Iterable<ReadOnlyTable> getAllAssociatedTables(); |
| |
| /** |
| * Return the names of the type mapping's "associated" tables, which |
| * includes the primary table and the collection of secondary tables, as |
| * well as all the inherited "associated" tables. |
| */ |
| Iterable<String> getAllAssociatedTableNames(); |
| |
| /** |
| * Return the resolved <em>associated</em> db table with the specified name; |
| * i.e. the specified table must be among those associated with the type |
| * mapping otherwise return <code>null</code>. |
| * <p> |
| * <strong>NB:</strong> The spec does allow for columns or join columns to |
| * specify a schema and/or catalog; so the results can be unpredictable.... |
| */ |
| org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName); |
| |
| /** |
| * Return whether the specified table is invalid for any annotations |
| * associated with the type mapping. The table name is case- |
| * <em>sensitive</em> when the database connection is missing or inactive; |
| * when the database connection is active, case-sensitivity is determined |
| * by the database. |
| */ |
| boolean tableNameIsInvalid(String tableName); |
| |
| |
| // ********** attribute mappings ********** |
| |
| /** |
| * A convenience method for getting the attribute mappings from PersistentType.attributes() |
| */ |
| <T extends AttributeMapping> Iterable<T> getAttributeMappings(); |
| |
| /** |
| * Return attribute mappings of a particular mapping type that are declared on this type mapping |
| */ |
| <T extends AttributeMapping> Iterable<T> getAttributeMappings(String mappingKey); |
| |
| /** |
| * Return all the attribute mappings in the type mapping's |
| * inheritance hierarchy. |
| */ |
| Iterable<AttributeMapping> getAllAttributeMappings(); |
| |
| /** |
| * Return all the non-transient attribute mappings in the type mapping's |
| * inheritance hierarchy |
| */ |
| Iterable<AttributeMapping> getNonTransientAttributeMappings(); |
| |
| /** |
| * Return attribute mappings of a particular mapping type that are declared anywhere on this |
| * type mapping's hierarchy |
| */ |
| <T extends AttributeMapping> Iterable<T> getAllAttributeMappings(String mappingKey); |
| |
| /** |
| * Return whether the given attribute mapping key is valid for this |
| * particular type mapping (for example, id's are not valid for an |
| * embeddable type mapping) |
| */ |
| boolean attributeMappingKeyAllowed(String attributeMappingKey); |
| |
| /** |
| * Return whether the attribute with the specified name is a derived ID. |
| */ |
| boolean attributeIsDerivedId(String attributeName); |
| |
| |
| // ********** attribute overrides ********** |
| |
| /** |
| * Return an Iterator of attribute names that can be overridden by a |
| * sub type mapping. |
| */ |
| Iterable<String> getOverridableAttributeNames(); |
| |
| /** |
| * Return an Iterator of all attribute names that can be overridden in this |
| * type mapping. |
| */ |
| Iterable<String> getAllOverridableAttributeNames(); |
| |
| /** |
| * Return the column of the overridable attribute mapping (or attribute |
| * override) with the specified attribute name. |
| * <p> |
| * In JPA 2.0 this name can use dot-notation to designate nested attributes |
| * in embedded attribute mapping's embeddable type mapping. |
| */ |
| Column resolveOverriddenColumn(String attributeName); |
| |
| |
| // ********** association overrides ********** |
| |
| /** |
| * Return an Iterator of associations names that can be overridden in this |
| * type mapping. |
| */ |
| Iterable<String> getOverridableAssociationNames(); |
| |
| /** |
| * Return an Iterator of all associations names that can be overridden in this |
| * type mapping. |
| */ |
| Iterable<String> getAllOverridableAssociationNames(); |
| |
| Relationship resolveOverriddenRelationship(String attributeName); |
| |
| |
| // ********** validation ********** |
| |
| /** |
| * Return whether any database metadata specific validation should occur. |
| * (For instance, if the connection is not active, then it should not.) |
| */ |
| boolean validatesAgainstDatabase(); |
| } |