hibernate3源代码

//$Id: AbstractEntityPersister.java 10286 2006-08-18 21:46:07Z epbernard $ package org.hibernate.persister.entity; import java.io.Serializable; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.Map; import java.util.Set; import java.util.Comparator; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.AssertionFailure; import org.hibernate.EntityMode; import org.hibernate.FetchMode; import org.hibernate.HibernateException; import org.hibernate.LockMode; import org.hibernate.MappingException; import org.hibernate.QueryException; import org.hibernate.StaleObjectStateException; import org.hibernate.StaleStateException; import org.hibernate.jdbc.Expectation; import org.hibernate.jdbc.Expectations; import org.hibernate.jdbc.TooManyRowsAffectedException; import org.hibernate.dialect.lock.LockingStrategy; import org.hibernate.cache.CacheConcurrencyStrategy; import org.hibernate.cache.CacheKey; import org.hibernate.cache.entry.CacheEntry; import org.hibernate.cache.entry.CacheEntryStructure; import org.hibernate.cache.entry.StructuredCacheEntry; import org.hibernate.cache.entry.UnstructuredCacheEntry; import org.hibernate.engine.CascadeStyle; import org.hibernate.engine.CascadingAction; import org.hibernate.engine.EntityEntry; import org.hibernate.engine.Mapping; import org.hibernate.engine.SessionFactoryImplementor; import org.hibernate.engine.SessionImplementor; import org.hibernate.engine.Versioning; import org.hibernate.engine.ExecuteUpdateResultCheckStyle; import org.hibernate.engine.EntityKey; import org.hibernate.exception.JDBCExceptionHelper; import org.hibernate.id.IdentifierGenerator; import org.hibernate.id.PostInsertIdentifierGenerator; import org.hibernate.id.PostInsertIdentityPersister; import org.hibernate.id.insert.InsertGeneratedIdentifierDelegate; import org.hibernate.id.insert.Binder; import org.hibernate.intercept.LazyPropertyInitializer; import org.hibernate.intercept.FieldInterceptionHelper; import org.hibernate.intercept.FieldInterceptor; import org.hibernate.loader.entity.BatchingEntityLoader; import org.hibernate.loader.entity.CascadeEntityLoader; import org.hibernate.loader.entity.EntityLoader; import org.hibernate.loader.entity.UniqueEntityLoader; import org.hibernate.mapping.Column; import org.hibernate.mapping.Component; import org.hibernate.mapping.PersistentClass; import org.hibernate.mapping.Property; import org.hibernate.mapping.Selectable; import org.hibernate.metadata.ClassMetadata; import org.hibernate.pretty.MessageHelper; import org.hibernate.property.BackrefPropertyAccessor; import org.hibernate.sql.Alias; import org.hibernate.sql.Delete; import org.hibernate.sql.Insert; import org.hibernate.sql.JoinFragment; import org.hibernate.sql.Select; import org.hibernate.sql.SelectFragment; import org.hibernate.sql.SimpleSelect; import org.hibernate.sql.Template; import org.hibernate.sql.Update; import org.hibernate.tuple.entity.EntityMetamodel; import org.hibernate.tuple.entity.EntityTuplizer; import org.hibernate.tuple.Tuplizer; import org.hibernate.type.AbstractComponentType; import org.hibernate.type.AssociationType; import org.hibernate.type.EntityType; import org.hibernate.type.Type; import org.hibernate.type.TypeFactory; import org.hibernate.type.VersionType; import org.hibernate.util.ArrayHelper; import org.hibernate.util.CollectionHelper; import org.hibernate.util.FilterHelper; import org.hibernate.util.StringHelper; /** * Basic functionality for persisting an entity via JDBC * through either generated or custom SQL * * @author Gavin King */ public abstract class AbstractEntityPersister implements OuterJoinLoadable, Queryable, ClassMetadata, UniqueKeyLoadable, SQLLoadable, LazyPropertyInitializer, PostInsertIdentityPersister, Lockable { private static final Log log = LogFactory.getLog( AbstractEntityPersister.class ); public static final String ENTITY_CLASS = "class"; // moved up from AbstractEntityPersister ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ private final SessionFactoryImplementor factory; private final CacheConcurrencyStrategy cache; private final boolean isLazyPropertiesCacheable; private final CacheEntryStructure cacheEntryStructure; private final EntityMetamodel entityMetamodel; private final Map entityNameBySubclass = new HashMap(); // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ private final String[] rootTableKeyColumnNames; private final String[] identifierAliases; private final int identifierColumnSpan; private final String versionColumnName; private final boolean hasFormulaProperties; private final int batchSize; private final boolean hasSubselectLoadableCollections; protected final String rowIdName; private final Set lazyProperties; // The optional SQL string defined in the where attribute private final String sqlWhereString; private final String sqlWhereStringTemplate; //information about properties of this class, //including inherited properties //(only really needed for updatable/insertable properties) private final int[] propertyColumnSpans; private final String[] propertySubclassNames; private final String[][] propertyColumnAliases; private final String[][] propertyColumnNames; private final String[][] propertyColumnFormulaTemplates; private final boolean[][] propertyColumnUpdateable; private final boolean[][] propertyColumnInsertable; private final boolean[] propertyUniqueness; private final boolean[] propertySelectable; //information about lazy properties of this class private final String[] lazyPropertyNames; private final int[] lazyPropertyNumbers; private final Type[] lazyPropertyTypes; private final String[][] lazyPropertyColumnAliases; //information about all properties in class hierarchy private final String[] subclassPropertyNameClosure; private final String[] subclassPropertySubclassNameClosure; private final Type[] subclassPropertyTypeClosure; private final String[][] subclassPropertyFormulaTemplateClosure; private final String[][] subclassPropertyColumnNameClosure; private final FetchMode[] subclassPropertyFetchModeClosure; private final boolean[] subclassPropertyNullabilityClosure; private final boolean[] propertyDefinedOnSubclass; private final int[][] subclassPropertyColumnNumberClosure; private final int[][] subclassPropertyFormulaNumberClosure; private final CascadeStyle[] subclassPropertyCascadeStyleClosure; //information about all columns/formulas in class hierarchy private final String[] subclassColumnClosure; private final boolean[] subclassColumnLazyClosure; private final String[] subclassColumnAliasClosure; private final boolean[] subclassColumnSelectableClosure; private final String[] subclassFormulaClosure; private final String[] subclassFormulaTemplateClosure; private final String[] subclassFormulaAliasClosure; private final boolean[] subclassFormulaLazyClosure; // dynamic filters attached to the class-level private final FilterHelper filterHelper; private final Map uniqueKeyLoaders = new HashMap(); private final Map lockers = new HashMap(); private final Map loaders = new HashMap(); // SQL strings private String sqlVersionSelectString; private String sqlSnapshotSelectString; private String sqlLazySelectString; private String sqlIdentityInsertString; private String sqlUpdateByRowIdString; private String sqlLazyUpdateByRowIdString; private String[] sqlDeleteStrings; private String[] sqlInsertStrings; private String[] sqlUpdateStrings; private String[] sqlLazyUpdateStrings; private String sqlInsertGeneratedValuesSelectStr