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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.cfg;

import java.io.Serializable;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Properties;

import org.hibernate.AnnotationException;
import org.hibernate.DuplicateMappingException;
import org.hibernate.MappingException;
import org.hibernate.annotations.AnyMetaDef;
import org.hibernate.annotations.common.reflection.ReflectionManager;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.engine.ResultSetMappingDefinition;
import org.hibernate.engine.spi.FilterDefinition;
import org.hibernate.engine.spi.NamedQueryDefinition;
import org.hibernate.engine.spi.NamedSQLQueryDefinition;
import org.hibernate.id.factory.spi.MutableIdentifierGeneratorFactory;
import org.hibernate.mapping.AuxiliaryDatabaseObject;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.FetchProfile;
import org.hibernate.mapping.IdGenerator;
import org.hibernate.mapping.Join;
import org.hibernate.mapping.MetadataSource;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Table;
import org.hibernate.mapping.TypeDef;
import org.hibernate.type.TypeResolver;

/**
 * A collection of mappings from classes and collections to relational database tables.  Represents a single
 * <hibernate-mapping> element.
 * 

* todo : the statement about this representing a single mapping element is simply not true if it was ever the case. * this contract actually represents 3 scopes of information:

    *
  1. bounded state : this is information which is indeed scoped by a single mapping
  2. *
  3. unbounded state : this is information which is Configuration wide (think of metadata repository)
  4. *
  5. transient state : state which changed at its own pace (naming strategy)
  6. *
* * @author Gavin King * @author Steve Ebersole */ public interface Mappings { /** * Retrieve the type resolver in effect. * * @return The type resolver. */ public TypeResolver getTypeResolver(); /** * Get the current naming strategy. * * @return The current naming strategy. */ public NamingStrategy getNamingStrategy(); /** * Set the current naming strategy. * * @param namingStrategy The naming strategy to use. */ public void setNamingStrategy(NamingStrategy namingStrategy); /** * Returns the currently bound default schema name. * * @return The currently bound schema name */ public String getSchemaName(); /** * Sets the currently bound default schema name. * * @param schemaName The schema name to bind as the current default. */ public void setSchemaName(String schemaName); /** * Returns the currently bound default catalog name. * * @return The currently bound catalog name, or null if none. */ public String getCatalogName(); /** * Sets the currently bound default catalog name. * * @param catalogName The catalog name to use as the current default. */ public void setCatalogName(String catalogName); /** * Get the currently bound default package name. * * @return The currently bound default package name */ public String getDefaultPackage(); /** * Set the current default package name. * * @param defaultPackage The package name to set as the current default. */ public void setDefaultPackage(String defaultPackage); /** * Determine whether auto importing of entity names is currently enabled. * * @return True if currently enabled; false otherwise. */ public boolean isAutoImport(); /** * Set whether to enable auto importing of entity names. * * @param autoImport True to enable; false to diasable. * @see #addImport */ public void setAutoImport(boolean autoImport); /** * Determine whether default laziness is currently enabled. * * @return True if enabled, false otherwise. */ public boolean isDefaultLazy(); /** * Set whether to enable default laziness. * * @param defaultLazy True to enable, false to disable. */ public void setDefaultLazy(boolean defaultLazy); /** * Get the current default cascade style. * * @return The current default cascade style. */ public String getDefaultCascade(); /** * Sets the current default cascade style. * . * @param defaultCascade The cascade style to set as the current default. */ public void setDefaultCascade(String defaultCascade); /** * Get the current default property access style. * * @return The current default property access style. */ public String getDefaultAccess(); /** * Sets the current default property access style. * * @param defaultAccess The access style to use as the current default. */ public void setDefaultAccess(String defaultAccess); /** * Retrieves an iterator over the entity metadata present in this repository. * * @return Iterator over class metadata. */ public Iterator iterateClasses(); /** * Retrieves the entity mapping metadata for the given entity name. * * @param entityName The entity name for which to retrieve the metadata. * @return The entity mapping metadata, or null if none found matching given entity name. */ public PersistentClass getClass(String entityName); /** * Retrieves the entity mapping metadata for the given entity name, potentially accounting * for imports. * * @param entityName The entity name for which to retrieve the metadata. * @return The entity mapping metadata, or null if none found matching given entity name. */ public PersistentClass locatePersistentClassByEntityName(String entityName); /** * Add entity mapping metadata. * * @param persistentClass The entity metadata * @throws DuplicateMappingException Indicates there4 was already an extry * corresponding to the given entity name. */ public void addClass(PersistentClass persistentClass) throws DuplicateMappingException; /** * Adds an import (HQL entity rename) to the repository. * * @param entityName The entity name being renamed. * @param rename The rename * @throws DuplicateMappingException If rename already is mapped to another * entity name in this repository. */ public void addImport(String entityName, String rename) throws DuplicateMappingException; /** * Retrieves the collection mapping metadata for the given collection role. * * @param role The collection role for which to retrieve the metadata. * @return The collection mapping metadata, or null if no matching collection role found. */ public Collection getCollection(String role); /** * Returns an iterator over collection metadata. * * @return Iterator over collection metadata. */ public Iterator iterateCollections(); /** * Add collection mapping metadata to this repository. * * @param collection The collection metadata * @throws DuplicateMappingException Indicates there was already an entry * corresponding to the given collection role */ public void addCollection(Collection collection) throws DuplicateMappingException; /** * Returns the named table metadata. * * @param schema The named schema in which the table belongs (or null). * @param catalog The named catalog in which the table belongs (or null). * @param name The table name * @return The table metadata, or null. */ public Table getTable(String schema, String catalog, String name); /** * Returns an iterator over table metadata. * * @return Iterator over table metadata. */ public Iterator iterateTables(); /** * Adds table metadata to this repository returning the created * metadata instance. * * @param schema The named schema in which the table belongs (or null). * @param catalog The named catalog in which the table belongs (or null). * @param name The table name * @param subselect A select statement which defines a logical table, much * like a DB view. * @param isAbstract Is the table abstract (i.e. not really existing in the DB)? * @return The created table metadata, or the existing reference. */ public Table addTable(String schema, String catalog, String name, String subselect, boolean isAbstract); /** * Adds a 'denormalized table' to this repository. * * @param schema The named schema in which the table belongs (or null). * @param catalog The named catalog in which the table belongs (or null). * @param name The table name * @param isAbstract Is the table abstract (i.e. not really existing in the DB)? * @param subselect A select statement which defines a logical table, much * like a DB view. * @param includedTable ??? * @return The created table metadata. * @throws DuplicateMappingException If such a table mapping already exists. */ public Table addDenormalizedTable(String schema, String catalog, String name, boolean isAbstract, String subselect, Table includedTable) throws DuplicateMappingException; /** * Get named query metadata by name. * * @param name The named query name * @return The query metadata, or null. */ public NamedQueryDefinition getQuery(String name); /** * Adds metadata for a named query to this repository. * * @param name The name * @param query The metadata * @throws DuplicateMappingException If a query already exists with that name. */ public void addQuery(String name, NamedQueryDefinition query) throws DuplicateMappingException; /** * Get named SQL query metadata. * * @param name The named SQL query name. * @return The meatdata, or null if none found. */ public NamedSQLQueryDefinition getSQLQuery(String name); /** * Adds metadata for a named SQL query to this repository. * * @param name The name * @param query The metadata * @throws DuplicateMappingException If a query already exists with that name. */ public void addSQLQuery(String name, NamedSQLQueryDefinition query) throws DuplicateMappingException; /** * Get the metadata for a named SQL result set mapping. * * @param name The mapping name. * @return The SQL result set mapping metadat, or null if none found. */ public ResultSetMappingDefinition getResultSetMapping(String name); /** * Adds the metadata for a named SQL result set mapping to this repository. * * @param sqlResultSetMapping The metadata * @throws DuplicateMappingException If metadata for another SQL result mapping was * already found under the given name. */ public void addResultSetMapping(ResultSetMappingDefinition sqlResultSetMapping) throws DuplicateMappingException; /** * Retrieve a type definition by name. * * @param typeName The name of the type definition to retrieve. * @return The type definition, or null if none found. */ public TypeDef getTypeDef(String typeName); /** * Adds a type definition to this metadata repository. * * @param typeName The type name. * @param typeClass The class implementing the {@link org.hibernate.type.Type} contract. * @param paramMap Map of parameters to be used to configure the type after instantiation. */ public void addTypeDef(String typeName, String typeClass, Properties paramMap); /** * Retrieves the copmplete map of filter definitions. * * @return The filter definition map. */ public Map getFilterDefinitions(); /** * Retrieves a filter definition by name. * * @param name The name of the filter definition to retrieve. * @return The filter definition, or null. */ public FilterDefinition getFilterDefinition(String name); /** * Adds a filter definition to this repository. * * @param definition The filter definition to add. */ public void addFilterDefinition(FilterDefinition definition); /** * Retrieves a fetch profile by either finding one currently in this repository matching the given name * or by creating one (and adding it). * * @param name The name of the profile. * @param source The source from which this profile is named. * @return The fetch profile metadata. */ public FetchProfile findOrCreateFetchProfile(String name, MetadataSource source); /** * @deprecated To fix misspelling; use {@link #iterateAuxiliaryDatabaseObjects} instead */ @Deprecated @SuppressWarnings({ "JavaDoc" }) public Iterator iterateAuxliaryDatabaseObjects(); /** * Retrieves an iterator over the metadata pertaining to all auxiliary database objects int this repository. * * @return Iterator over the auxiliary database object metadata. */ public Iterator iterateAuxiliaryDatabaseObjects(); /** * @deprecated To fix misspelling; use {@link #iterateAuxiliaryDatabaseObjectsInReverse} instead */ @Deprecated @SuppressWarnings({ "JavaDoc" }) public ListIterator iterateAuxliaryDatabaseObjectsInReverse(); /** * Same as {@link #iterateAuxiliaryDatabaseObjects()} except that here the iterator is reversed. * * @return The reversed iterator. */ public ListIterator iterateAuxiliaryDatabaseObjectsInReverse(); /** * Add metadata pertaining to an auxiliary database object to this repository. * * @param auxiliaryDatabaseObject The metadata. */ public void addAuxiliaryDatabaseObject(AuxiliaryDatabaseObject auxiliaryDatabaseObject); /** * Get the logical table name mapped for the given physical table. * * @param table The table for which to determine the logical name. * @return The logical name. * @throws MappingException Indicates that no logical name was bound for the given physical table. */ public String getLogicalTableName(Table table) throws MappingException; /** * Adds a table binding to this repository. * * @param schema The schema in which the table belongs (may be null). * @param catalog The catalog in which the table belongs (may be null). * @param logicalName The logical table name. * @param physicalName The physical table name. * @param denormalizedSuperTable ??? * @throws DuplicateMappingException Indicates physical table was already bound to another logical name. */ public void addTableBinding( String schema, String catalog, String logicalName, String physicalName, Table denormalizedSuperTable) throws DuplicateMappingException; /** * Binds the given 'physicalColumn' to the give 'logicalName' within the given 'table'. * * @param logicalName The logical column name binding. * @param physicalColumn The physical column metadata. * @param table The table metadata. * @throws DuplicateMappingException Indicates a duplicate binding for either the physical column name * or the logical column name. */ public void addColumnBinding(String logicalName, Column physicalColumn, Table table) throws DuplicateMappingException; /** * Find the physical column name for the given logical column name within the given table. * * @param logicalName The logical name binding. * @param table The table metatdata. * @return The physical column name. * @throws MappingException Indicates that no such binding was found. */ public String getPhysicalColumnName(String logicalName, Table table) throws MappingException; /** * Find the logical column name against whcih the given physical column name was bound within the given table. * * @param physicalName The physical column name * @param table The table metadata. * @return The logical column name. * @throws MappingException Indicates that no such binding was found. */ public String getLogicalColumnName(String physicalName, Table table) throws MappingException; /** * Adds a second-pass to the end of the current queue. * * @param sp The second pass to add. */ public void addSecondPass(SecondPass sp); /** * Adds a second pass. * @param sp The second pass to add. * @param onTopOfTheQueue True to add to the beginning of the queue; false to add to the end. */ public void addSecondPass(SecondPass sp, boolean onTopOfTheQueue); /** * Represents a property-ref mapping. *

* TODO : currently needs to be exposed because Configuration needs access to it for second-pass processing */ public static final class PropertyReference implements Serializable { public final String referencedClass; public final String propertyName; public final boolean unique; public PropertyReference(String referencedClass, String propertyName, boolean unique) { this.referencedClass = referencedClass; this.propertyName = propertyName; this.unique = unique; } } /** * Adds a property reference binding to this repository. * * @param referencedClass The referenced entity name. * @param propertyName The referenced property name. */ public void addPropertyReference(String referencedClass, String propertyName); /** * Adds a property reference binding to this repository where said proeprty reference is marked as unique. * * @param referencedClass The referenced entity name. * @param propertyName The referenced property name. */ public void addUniquePropertyReference(String referencedClass, String propertyName); /** * Adds an entry to the extends queue queue. * * @param entry The entry to add. */ public void addToExtendsQueue(ExtendsQueueEntry entry); /** * Retrieve the IdentifierGeneratorFactory in effect for this mapping. * * @return The IdentifierGeneratorFactory */ public MutableIdentifierGeneratorFactory getIdentifierGeneratorFactory(); /** * add a new MappedSuperclass * This should not be called if the MappedSuperclass already exists * (it would be erased) * @param type type corresponding to the Mappedsuperclass * @param mappedSuperclass MappedSuperclass */ public void addMappedSuperclass(Class type, org.hibernate.mapping.MappedSuperclass mappedSuperclass); /** * Get a MappedSuperclass or null if not mapped * * @param type class corresponding to the MappedSuperclass * @return the MappedSuperclass */ org.hibernate.mapping.MappedSuperclass getMappedSuperclass(Class type); /** * Retrieve the database identifier normalizer for this context. * * @return The normalizer. */ public ObjectNameNormalizer getObjectNameNormalizer(); /** * Retrieve the configuration properties currently in effect. * * @return The configuration properties */ public Properties getConfigurationProperties(); /** * Adds a default id generator. * * @param generator The id generator */ public void addDefaultGenerator(IdGenerator generator); /** * Retrieve the id-generator by name. * * @param name The generator name. * * @return The generator, or null. */ public IdGenerator getGenerator(String name); /** * Try to find the generator from the localGenerators * and then from the global generator list * * @param name generator name * @param localGenerators local generators * * @return the appropriate idgenerator or null if not found */ public IdGenerator getGenerator(String name, Map localGenerators); /** * Add a generator. * * @param generator The generator to add. */ public void addGenerator(IdGenerator generator); /** * Add a generator table properties. * * @param name The generator name * @param params The generator table properties. */ public void addGeneratorTable(String name, Properties params); /** * Retrieve the properties related to a generator table. * * @param name generator name * @param localGeneratorTables local generator tables * * @return The properties, or null. */ public Properties getGeneratorTableProperties(String name, Map localGeneratorTables); /** * Retrieve join metadata for a particular persistent entity. * * @param entityName The entity name * * @return The join metadata */ public Map getJoins(String entityName); /** * Add join metadata for a persistent entity. * * @param persistentClass The persistent entity metadata. * @param joins The join metadata to add. * * @throws MappingException */ public void addJoins(PersistentClass persistentClass, Map joins); /** * Get and maintain a cache of class type. * * @param clazz The XClass mapping * * @return The class type. */ public AnnotatedClassType getClassType(XClass clazz); /** * FIXME should be private but will this break things? * Add a class type. * * @param clazz The XClass mapping. * * @return The class type. */ public AnnotatedClassType addClassType(XClass clazz); /** * @deprecated Use {@link #getUniqueConstraintHoldersByTable} instead */ @Deprecated @SuppressWarnings({ "JavaDoc" }) public Map> getTableUniqueConstraints(); public Map> getUniqueConstraintHoldersByTable(); /** * @deprecated Use {@link #addUniqueConstraintHolders} instead */ @Deprecated @SuppressWarnings({ "JavaDoc" }) public void addUniqueConstraints(Table table, List uniqueConstraints); public void addUniqueConstraintHolders(Table table, List uniqueConstraintHolders); public void addMappedBy(String entityName, String propertyName, String inversePropertyName); public String getFromMappedBy(String entityName, String propertyName); public void addPropertyReferencedAssociation(String entityName, String propertyName, String propertyRef); public String getPropertyReferencedAssociation(String entityName, String propertyName); public ReflectionManager getReflectionManager(); public void addDefaultQuery(String name, NamedQueryDefinition query); public void addDefaultSQLQuery(String name, NamedSQLQueryDefinition query); public void addDefaultResultSetMapping(ResultSetMappingDefinition definition); public Map getClasses(); public void addAnyMetaDef(AnyMetaDef defAnn) throws AnnotationException; public AnyMetaDef getAnyMetaDef(String name); public boolean isInSecondPass(); /** * Return the property annotated with @MapsId("propertyName") if any. * Null otherwise */ public PropertyData getPropertyAnnotatedWithMapsId(XClass entityType, String propertyName); public void addPropertyAnnotatedWithMapsId(XClass entityType, PropertyData property); public void addPropertyAnnotatedWithMapsIdSpecj(XClass entityType, PropertyData property, String mapsIdValue); public boolean isSpecjProprietarySyntaxEnabled(); /** * Should we use the new generator strategy mappings. This is controlled by the * {@link AvailableSettings#USE_NEW_ID_GENERATOR_MAPPINGS} setting. * * @return True if the new generators should be used, false otherwise. */ public boolean useNewGeneratorMappings(); /** * Should we handle absent DiscriminatorColumn mappings for joined inheritance by implicitly mapping a * discriminator column? * * @return {@code true} indicates we should infer DiscriminatorColumn implicitly (aka, map to a discriminator * column even without a DiscriminatorColumn annotation); {@code false} (the default) indicates that we should not. * * @see AvailableSettings#IMPLICIT_DISCRIMINATOR_COLUMNS_FOR_JOINED_SUBCLASS */ public boolean useImplicitDiscriminatorColumnForJoinedInheritance(); /** * Should we ignore explicit DiscriminatorColumn annotations when combined with joined inheritance? * * @return {@code true} indicates we should ignore explicit DiscriminatorColumn annotations; {@code false} (the * default) indicates we should not ignore them * * @see AvailableSettings#IGNORE_EXPLICIT_DISCRIMINATOR_COLUMNS_FOR_JOINED_SUBCLASS */ public boolean ignoreExplicitDiscriminatorColumnForJoinedInheritance(); /** * Should we use nationalized variants of character data by default? This is controlled by the * {@link AvailableSettings#USE_NATIONALIZED_CHARACTER_DATA} setting. * * @return {@code true} if nationalized character data should be used by default; {@code false} otherwise. */ public boolean useNationalizedCharacterData(); /** * Return the property annotated with @ToOne and @Id if any. * Null otherwise */ public PropertyData getPropertyAnnotatedWithIdAndToOne(XClass entityType, String propertyName); void addToOneAndIdProperty(XClass entity, PropertyData property); public boolean forceDiscriminatorInSelectsByDefault(); }