Package org.hibernate.tuple.entity

Source Code of org.hibernate.tuple.entity.EntityMetamodel

/*
* 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.tuple.entity;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.jboss.logging.Logger;

import org.hibernate.EntityMode;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.bytecode.instrumentation.internal.FieldInterceptionHelper;
import org.hibernate.engine.internal.Versioning;
import org.hibernate.engine.spi.CascadeStyle;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.spi.ValueInclusion;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.ReflectHelper;
import org.hibernate.internal.util.collections.ArrayHelper;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.PropertyGeneration;
import org.hibernate.metamodel.binding.AttributeBinding;
import org.hibernate.metamodel.binding.EntityBinding;
import org.hibernate.metamodel.binding.SimpleAttributeBinding;
import org.hibernate.metamodel.domain.Attribute;
import org.hibernate.metamodel.domain.SingularAttribute;
import org.hibernate.metamodel.domain.TypeNature;
import org.hibernate.tuple.IdentifierProperty;
import org.hibernate.tuple.PropertyFactory;
import org.hibernate.tuple.StandardProperty;
import org.hibernate.tuple.VersionProperty;
import org.hibernate.type.AssociationType;
import org.hibernate.type.CompositeType;
import org.hibernate.type.EntityType;
import org.hibernate.type.Type;

/**
* Centralizes metamodel information about an entity.
*
* @author Steve Ebersole
*/
public class EntityMetamodel implements Serializable {

    private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class, EntityMetamodel.class.getName());

  private static final int NO_VERSION_INDX = -66;

  private final SessionFactoryImplementor sessionFactory;

  private final String name;
  private final String rootName;
  private final EntityType entityType;

  private final IdentifierProperty identifierProperty;
  private final boolean versioned;

  private final int propertySpan;
  private final int versionPropertyIndex;
  private final StandardProperty[] properties;
  // temporary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  private final String[] propertyNames;
  private final Type[] propertyTypes;
  private final boolean[] propertyLaziness;
  private final boolean[] propertyUpdateability;
  private final boolean[] nonlazyPropertyUpdateability;
  private final boolean[] propertyCheckability;
  private final boolean[] propertyInsertability;
  private final ValueInclusion[] insertInclusions;
  private final ValueInclusion[] updateInclusions;
  private final boolean[] propertyNullability;
  private final boolean[] propertyVersionability;
  private final CascadeStyle[] cascadeStyles;
  private final boolean hasInsertGeneratedValues;
  private final boolean hasUpdateGeneratedValues;
  // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  private final Map<String, Integer> propertyIndexes = new HashMap<String, Integer>();
  private final boolean hasCollections;
  private final boolean hasMutableProperties;
  private final boolean hasLazyProperties;
  private final boolean hasNonIdentifierPropertyNamedId;

  private final int[] naturalIdPropertyNumbers;
  private final boolean hasImmutableNaturalId;

  private boolean lazy; //not final because proxy factory creation can fail
  private final boolean hasCascades;
  private final boolean mutable;
  private final boolean isAbstract;
  private final boolean selectBeforeUpdate;
  private final boolean dynamicUpdate;
  private final boolean dynamicInsert;
  private final int optimisticLockMode;

  private final boolean polymorphic;
  private final String superclass;  // superclass entity-name
  private final boolean explicitPolymorphism;
  private final boolean inherited;
  private final boolean hasSubclasses;
  private final Set subclassEntityNames = new HashSet();
  private final Map entityNameByInheritenceClassMap = new HashMap();

  private final EntityMode entityMode;
  private final EntityTuplizer entityTuplizer;

  public EntityMetamodel(PersistentClass persistentClass, SessionFactoryImplementor sessionFactory) {
    this.sessionFactory = sessionFactory;

    name = persistentClass.getEntityName();
    rootName = persistentClass.getRootClass().getEntityName();
    entityType = sessionFactory.getTypeResolver().getTypeFactory().manyToOne( name );

    identifierProperty = PropertyFactory.buildIdentifierProperty(
            persistentClass,
            sessionFactory.getIdentifierGenerator( rootName )
      );

    versioned = persistentClass.isVersioned();

    boolean lazyAvailable = persistentClass.hasPojoRepresentation() &&
                            FieldInterceptionHelper.isInstrumented( persistentClass.getMappedClass() );
    boolean hasLazy = false;

    propertySpan = persistentClass.getPropertyClosureSpan();
    properties = new StandardProperty[propertySpan];
    List naturalIdNumbers = new ArrayList();
    // temporary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    propertyNames = new String[propertySpan];
    propertyTypes = new Type[propertySpan];
    propertyUpdateability = new boolean[propertySpan];
    propertyInsertability = new boolean[propertySpan];
    insertInclusions = new ValueInclusion[propertySpan];
    updateInclusions = new ValueInclusion[propertySpan];
    nonlazyPropertyUpdateability = new boolean[propertySpan];
    propertyCheckability = new boolean[propertySpan];
    propertyNullability = new boolean[propertySpan];
    propertyVersionability = new boolean[propertySpan];
    propertyLaziness = new boolean[propertySpan];
    cascadeStyles = new CascadeStyle[propertySpan];
    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    Iterator iter = persistentClass.getPropertyClosureIterator();
    int i = 0;
    int tempVersionProperty = NO_VERSION_INDX;
    boolean foundCascade = false;
    boolean foundCollection = false;
    boolean foundMutable = false;
    boolean foundNonIdentifierPropertyNamedId = false;
    boolean foundInsertGeneratedValue = false;
    boolean foundUpdateGeneratedValue = false;
    boolean foundUpdateableNaturalIdProperty = false;

    while ( iter.hasNext() ) {
      Property prop = ( Property ) iter.next();

      if ( prop == persistentClass.getVersion() ) {
        tempVersionProperty = i;
        properties[i] = PropertyFactory.buildVersionProperty( prop, lazyAvailable );
      }
      else {
        properties[i] = PropertyFactory.buildStandardProperty( prop, lazyAvailable );
      }

      if ( prop.isNaturalIdentifier() ) {
        naturalIdNumbers.add( i );
        if ( prop.isUpdateable() ) {
          foundUpdateableNaturalIdProperty = true;
        }
      }

      if ( "id".equals( prop.getName() ) ) {
        foundNonIdentifierPropertyNamedId = true;
      }

      // temporary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      boolean lazy = prop.isLazy() && lazyAvailable;
      if ( lazy ) hasLazy = true;
      propertyLaziness[i] = lazy;

      propertyNames[i] = properties[i].getName();
      propertyTypes[i] = properties[i].getType();
      propertyNullability[i] = properties[i].isNullable();
      propertyUpdateability[i] = properties[i].isUpdateable();
      propertyInsertability[i] = properties[i].isInsertable();
      insertInclusions[i] = determineInsertValueGenerationType( prop, properties[i] );
      updateInclusions[i] = determineUpdateValueGenerationType( prop, properties[i] );
      propertyVersionability[i] = properties[i].isVersionable();
      nonlazyPropertyUpdateability[i] = properties[i].isUpdateable() && !lazy;
      propertyCheckability[i] = propertyUpdateability[i] ||
          ( propertyTypes[i].isAssociationType() && ( (AssociationType) propertyTypes[i] ).isAlwaysDirtyChecked() );

      cascadeStyles[i] = properties[i].getCascadeStyle();
      // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

      if ( properties[i].isLazy() ) {
        hasLazy = true;
      }

      if ( properties[i].getCascadeStyle() != CascadeStyle.NONE ) {
        foundCascade = true;
      }

      if ( indicatesCollection( properties[i].getType() ) ) {
        foundCollection = true;
      }

      if ( propertyTypes[i].isMutable() && propertyCheckability[i] ) {
        foundMutable = true;
      }

      if ( insertInclusions[i] != ValueInclusion.NONE ) {
        foundInsertGeneratedValue = true;
      }

      if ( updateInclusions[i] != ValueInclusion.NONE ) {
        foundUpdateGeneratedValue = true;
      }

      mapPropertyToIndex(prop, i);
      i++;
    }

    if (naturalIdNumbers.size()==0) {
      naturalIdPropertyNumbers = null;
      hasImmutableNaturalId = false;
    }
    else {
      naturalIdPropertyNumbers = ArrayHelper.toIntArray(naturalIdNumbers);
      hasImmutableNaturalId = !foundUpdateableNaturalIdProperty;
    }

    hasInsertGeneratedValues = foundInsertGeneratedValue;
    hasUpdateGeneratedValues = foundUpdateGeneratedValue;

    hasCascades = foundCascade;
    hasNonIdentifierPropertyNamedId = foundNonIdentifierPropertyNamedId;
    versionPropertyIndex = tempVersionProperty;
    hasLazyProperties = hasLazy;
        if (hasLazyProperties) LOG.lazyPropertyFetchingAvailable(name);

    lazy = persistentClass.isLazy() && (
        // TODO: this disables laziness even in non-pojo entity modes:
        !persistentClass.hasPojoRepresentation() ||
        !ReflectHelper.isFinalClass( persistentClass.getProxyInterface() )
    );
    mutable = persistentClass.isMutable();
    if ( persistentClass.isAbstract() == null ) {
      // legacy behavior (with no abstract attribute specified)
      isAbstract = persistentClass.hasPojoRepresentation() &&
                   ReflectHelper.isAbstractClass( persistentClass.getMappedClass() );
    }
    else {
      isAbstract = persistentClass.isAbstract().booleanValue();
      if ( !isAbstract && persistentClass.hasPojoRepresentation() &&
           ReflectHelper.isAbstractClass( persistentClass.getMappedClass() ) ) {
                LOG.entityMappedAsNonAbstract(name);
      }
    }
    selectBeforeUpdate = persistentClass.hasSelectBeforeUpdate();
    dynamicUpdate = persistentClass.useDynamicUpdate();
    dynamicInsert = persistentClass.useDynamicInsert();

    polymorphic = persistentClass.isPolymorphic();
    explicitPolymorphism = persistentClass.isExplicitPolymorphism();
    inherited = persistentClass.isInherited();
    superclass = inherited ?
        persistentClass.getSuperclass().getEntityName() :
        null;
    hasSubclasses = persistentClass.hasSubclasses();

    optimisticLockMode = persistentClass.getOptimisticLockMode();
    if ( optimisticLockMode > Versioning.OPTIMISTIC_LOCK_VERSION && !dynamicUpdate ) {
      throw new MappingException( "optimistic-lock=all|dirty requires dynamic-update=\"true\": " + name );
    }
    if ( versionPropertyIndex != NO_VERSION_INDX && optimisticLockMode > Versioning.OPTIMISTIC_LOCK_VERSION ) {
      throw new MappingException( "version and optimistic-lock=all|dirty are not a valid combination : " + name );
    }

    hasCollections = foundCollection;
    hasMutableProperties = foundMutable;

    iter = persistentClass.getSubclassIterator();
    while ( iter.hasNext() ) {
      subclassEntityNames.add( ( (PersistentClass) iter.next() ).getEntityName() );
    }
    subclassEntityNames.add( name );

    if ( persistentClass.hasPojoRepresentation() ) {
      entityNameByInheritenceClassMap.put( persistentClass.getMappedClass(), persistentClass.getEntityName() );
      iter = persistentClass.getSubclassIterator();
      while ( iter.hasNext() ) {
        final PersistentClass pc = ( PersistentClass ) iter.next();
        entityNameByInheritenceClassMap.put( pc.getMappedClass(), pc.getEntityName() );
      }
    }

    entityMode = persistentClass.hasPojoRepresentation() ? EntityMode.POJO : EntityMode.MAP;
    final EntityTuplizerFactory entityTuplizerFactory = sessionFactory.getSettings().getEntityTuplizerFactory();
    final String tuplizerClassName = persistentClass.getTuplizerImplClassName( entityMode );
    if ( tuplizerClassName == null ) {
      entityTuplizer = entityTuplizerFactory.constructDefaultTuplizer( entityMode, this, persistentClass );
    }
    else {
      entityTuplizer = entityTuplizerFactory.constructTuplizer( tuplizerClassName, this, persistentClass );
    }
  }

  public EntityMetamodel(EntityBinding entityBinding, SessionFactoryImplementor sessionFactory) {
    this.sessionFactory = sessionFactory;

    name = entityBinding.getEntity().getName();

    // TODO: Fix after HHH-6337 is fixed; for now assume entityBinding is the root binding
    //rootName = entityBinding.getRootEntityBinding().getName();
    rootName = name;
    entityType = sessionFactory.getTypeResolver().getTypeFactory().manyToOne( name );

    identifierProperty = PropertyFactory.buildIdentifierProperty(
            entityBinding,
            sessionFactory.getIdentifierGenerator( rootName )
    );

    versioned = entityBinding.isVersioned();

    boolean hasPojoRepresentation = false;
    Class<?> mappedClass = null;
    Class<?> proxyInterfaceClass = null;
    boolean lazyAvailable = false;
    if entityBinding.getEntity().getJavaType() != null ) {
      hasPojoRepresentation = true;
      mappedClass = entityBinding.getEntity().getJavaType().getClassReference();
      proxyInterfaceClass = entityBinding.getProxyInterfaceType().getClassReference();
      lazyAvailable = FieldInterceptionHelper.isInstrumented( mappedClass );
    }

    boolean hasLazy = false;

    // TODO: Fix after HHH-6337 is fixed; for now assume entityBinding is the root binding
    //SimpleAttributeBinding rootEntityIdentifier = entityBinding.getRootEntityBinding().getEntityIdentifier().getValueBinding();
    SimpleAttributeBinding rootEntityIdentifier = entityBinding.getEntityIdentifier().getValueBinding();
    // entityBinding.getAttributeClosureSpan() includes the identifier binding;
    // "properties" here excludes the ID, so subtract 1 if the identifier binding is non-null
    propertySpan = rootEntityIdentifier == null ?
        entityBinding.getAttributeBindingClosureSpan() :
        entityBinding.getAttributeBindingClosureSpan() - 1;

    properties = new StandardProperty[propertySpan];
    List naturalIdNumbers = new ArrayList();
    // temporary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    propertyNames = new String[propertySpan];
    propertyTypes = new Type[propertySpan];
    propertyUpdateability = new boolean[propertySpan];
    propertyInsertability = new boolean[propertySpan];
    insertInclusions = new ValueInclusion[propertySpan];
    updateInclusions = new ValueInclusion[propertySpan];
    nonlazyPropertyUpdateability = new boolean[propertySpan];
    propertyCheckability = new boolean[propertySpan];
    propertyNullability = new boolean[propertySpan];
    propertyVersionability = new boolean[propertySpan];
    propertyLaziness = new boolean[propertySpan];
    cascadeStyles = new CascadeStyle[propertySpan];
    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    int i = 0;
    int tempVersionProperty = NO_VERSION_INDX;
    boolean foundCascade = false;
    boolean foundCollection = false;
    boolean foundMutable = false;
    boolean foundNonIdentifierPropertyNamedId = false;
    boolean foundInsertGeneratedValue = false;
    boolean foundUpdateGeneratedValue = false;
    boolean foundUpdateableNaturalIdProperty = false;

    for ( AttributeBinding attributeBinding : entityBinding.getAttributeBindingClosure() ) {
      if ( attributeBinding == rootEntityIdentifier ) {
        // skip the identifier attribute binding
        continue;
      }

      if ( attributeBinding == entityBinding.getVersioningValueBinding() ) {
        tempVersionProperty = i;
        properties[i] = PropertyFactory.buildVersionProperty( entityBinding.getVersioningValueBinding(), lazyAvailable );
      }
      else {
        properties[i] = PropertyFactory.buildStandardProperty( attributeBinding, lazyAvailable );
      }

      // TODO: fix when natural IDs are added (HHH-6354)
      //if ( attributeBinding.isNaturalIdentifier() ) {
      //  naturalIdNumbers.add( i );
      //  if ( attributeBinding.isUpdateable() ) {
      //    foundUpdateableNaturalIdProperty = true;
      //  }
      //}

      if ( "id".equals( attributeBinding.getAttribute().getName() ) ) {
        foundNonIdentifierPropertyNamedId = true;
      }

      // temporary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      boolean lazy = attributeBinding.isLazy() && lazyAvailable;
      if ( lazy ) hasLazy = true;
      propertyLaziness[i] = lazy;

      propertyNames[i] = properties[i].getName();
      propertyTypes[i] = properties[i].getType();
      propertyNullability[i] = properties[i].isNullable();
      propertyUpdateability[i] = properties[i].isUpdateable();
      propertyInsertability[i] = properties[i].isInsertable();
      insertInclusions[i] = determineInsertValueGenerationType( attributeBinding, properties[i] );
      updateInclusions[i] = determineUpdateValueGenerationType( attributeBinding, properties[i] );
      propertyVersionability[i] = properties[i].isVersionable();
      nonlazyPropertyUpdateability[i] = properties[i].isUpdateable() && !lazy;
      propertyCheckability[i] = propertyUpdateability[i] ||
          ( propertyTypes[i].isAssociationType() && ( (AssociationType) propertyTypes[i] ).isAlwaysDirtyChecked() );

      cascadeStyles[i] = properties[i].getCascadeStyle();
      // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

      if ( properties[i].isLazy() ) {
        hasLazy = true;
      }

      if ( properties[i].getCascadeStyle() != CascadeStyle.NONE ) {
        foundCascade = true;
      }

      if ( indicatesCollection( properties[i].getType() ) ) {
        foundCollection = true;
      }

      if ( propertyTypes[i].isMutable() && propertyCheckability[i] ) {
        foundMutable = true;
      }

      if ( insertInclusions[i] != ValueInclusion.NONE ) {
        foundInsertGeneratedValue = true;
      }

      if ( updateInclusions[i] != ValueInclusion.NONE ) {
        foundUpdateGeneratedValue = true;
      }

      mapPropertyToIndex(attributeBinding.getAttribute(), i);
      i++;
    }

    if (naturalIdNumbers.size()==0) {
      naturalIdPropertyNumbers = null;
      hasImmutableNaturalId = false;
    }
    else {
      naturalIdPropertyNumbers = ArrayHelper.toIntArray(naturalIdNumbers);
      hasImmutableNaturalId = !foundUpdateableNaturalIdProperty;
    }

    hasInsertGeneratedValues = foundInsertGeneratedValue;
    hasUpdateGeneratedValues = foundUpdateGeneratedValue;

    hasCascades = foundCascade;
    hasNonIdentifierPropertyNamedId = foundNonIdentifierPropertyNamedId;
    versionPropertyIndex = tempVersionProperty;
    hasLazyProperties = hasLazy;
    if (hasLazyProperties) {
      LOG.lazyPropertyFetchingAvailable( name );
    }

    lazy = entityBinding.isLazy() && (
        // TODO: this disables laziness even in non-pojo entity modes:
        ! hasPojoRepresentation ||
        ! ReflectHelper.isFinalClass( proxyInterfaceClass )
    );
    mutable = entityBinding.isMutable();
    if ( entityBinding.isAbstract() == null ) {
      // legacy behavior (with no abstract attribute specified)
      isAbstract = hasPojoRepresentation &&
                   ReflectHelper.isAbstractClass( mappedClass );
    }
    else {
      isAbstract = entityBinding.isAbstract().booleanValue();
      if ( !isAbstract && hasPojoRepresentation &&
          ReflectHelper.isAbstractClass( mappedClass ) ) {
        LOG.entityMappedAsNonAbstract(name);
      }
    }
    selectBeforeUpdate = entityBinding.isSelectBeforeUpdate();
    dynamicUpdate = entityBinding.isDynamicUpdate();
    dynamicInsert = entityBinding.isDynamicInsert();

    // TODO: fix this when can get subclass info from EntityBinding (HHH-6337)
    //  for now set hasSubclasses to false
    //hasSubclasses = entityBinding.hasSubclasses();
    hasSubclasses = false;

    //polymorphic = ! entityBinding.isRoot() || entityBinding.hasSubclasses();
    polymorphic = ! entityBinding.isRoot() || hasSubclasses;

    explicitPolymorphism = entityBinding.isExplicitPolymorphism();
    inherited = ! entityBinding.isRoot();
    superclass = inherited ?
        entityBinding.getEntity().getSuperType().getName() :
        null;

    optimisticLockMode = entityBinding.getOptimisticLockMode();
    if ( optimisticLockMode > Versioning.OPTIMISTIC_LOCK_VERSION && !dynamicUpdate ) {
      throw new MappingException( "optimistic-lock=all|dirty requires dynamic-update=\"true\": " + name );
    }
    if ( versionPropertyIndex != NO_VERSION_INDX && optimisticLockMode > Versioning.OPTIMISTIC_LOCK_VERSION ) {
      throw new MappingException( "version and optimistic-lock=all|dirty are not a valid combination : " + name );
    }

    hasCollections = foundCollection;
    hasMutableProperties = foundMutable;

    // TODO: fix this when can get subclass info from EntityBinding (HHH-6337)
    // TODO: uncomment when it's possible to get subclasses from an EntityBinding
    //iter = entityBinding.getSubclassIterator();
    //while ( iter.hasNext() ) {
    //  subclassEntityNames.add( ( (PersistentClass) iter.next() ).getEntityName() );
    //}
    subclassEntityNames.add( name );

    if ( mappedClass != null ) {
      entityNameByInheritenceClassMap.put( mappedClass, name );
    // TODO: uncomment when it's possible to get subclasses from an EntityBinding
    //  iter = entityBinding.getSubclassIterator();
    //  while ( iter.hasNext() ) {
    //    final EntityBinding subclassEntityBinding = ( EntityBinding ) iter.next();
    //    entityNameByInheritenceClassMap.put(
    //        subclassEntityBinding.getEntity().getPojoEntitySpecifics().getEntityClass(),
    //        subclassEntityBinding.getEntity().getName() );
    //  }
    }

    entityMode = hasPojoRepresentation ? EntityMode.POJO : EntityMode.MAP;
    final EntityTuplizerFactory entityTuplizerFactory = sessionFactory.getSettings().getEntityTuplizerFactory();
    Class<EntityTuplizer> tuplizerClass = entityBinding.getEntityTuplizerClass();

    if ( tuplizerClass == null ) {
      entityTuplizer = entityTuplizerFactory.constructDefaultTuplizer( entityMode, this, entityBinding );
    }
    else {
      entityTuplizer = entityTuplizerFactory.constructTuplizer( tuplizerClass, this, entityBinding );
    }
  }

  private ValueInclusion determineInsertValueGenerationType(Property mappingProperty, StandardProperty runtimeProperty) {
    if ( runtimeProperty.isInsertGenerated() ) {
      return ValueInclusion.FULL;
    }
    else if ( mappingProperty.getValue() instanceof Component ) {
      if ( hasPartialInsertComponentGeneration( ( Component ) mappingProperty.getValue() ) ) {
        return ValueInclusion.PARTIAL;
      }
    }
    return ValueInclusion.NONE;
  }

  private ValueInclusion determineInsertValueGenerationType(AttributeBinding mappingProperty, StandardProperty runtimeProperty) {
    if ( runtimeProperty.isInsertGenerated() ) {
      return ValueInclusion.FULL;
    }
    // TODO: fix the following when components are working (HHH-6173)
    //else if ( mappingProperty.getValue() instanceof ComponentAttributeBinding ) {
    //  if ( hasPartialInsertComponentGeneration( ( ComponentAttributeBinding ) mappingProperty.getValue() ) ) {
    //    return ValueInclusion.PARTIAL;
    //  }
    //}
    return ValueInclusion.NONE;
  }

  private boolean hasPartialInsertComponentGeneration(Component component) {
    Iterator subProperties = component.getPropertyIterator();
    while ( subProperties.hasNext() ) {
      Property prop = ( Property ) subProperties.next();
      if ( prop.getGeneration() == PropertyGeneration.ALWAYS || prop.getGeneration() == PropertyGeneration.INSERT ) {
        return true;
      }
      else if ( prop.getValue() instanceof Component ) {
        if ( hasPartialInsertComponentGeneration( ( Component ) prop.getValue() ) ) {
          return true;
        }
      }
    }
    return false;
  }

  private ValueInclusion determineUpdateValueGenerationType(Property mappingProperty, StandardProperty runtimeProperty) {
    if ( runtimeProperty.isUpdateGenerated() ) {
      return ValueInclusion.FULL;
    }
    else if ( mappingProperty.getValue() instanceof Component ) {
      if ( hasPartialUpdateComponentGeneration( ( Component ) mappingProperty.getValue() ) ) {
        return ValueInclusion.PARTIAL;
      }
    }
    return ValueInclusion.NONE;
  }

  private ValueInclusion determineUpdateValueGenerationType(AttributeBinding mappingProperty, StandardProperty runtimeProperty) {
    if ( runtimeProperty.isUpdateGenerated() ) {
      return ValueInclusion.FULL;
    }
    // TODO: fix the following when components are working (HHH-6173)
    //else if ( mappingProperty.getValue() instanceof ComponentAttributeBinding ) {
    //  if ( hasPartialUpdateComponentGeneration( ( ComponentAttributeBinding ) mappingProperty.getValue() ) ) {
    //    return ValueInclusion.PARTIAL;
    //  }
    //}
    return ValueInclusion.NONE;
  }

  private boolean hasPartialUpdateComponentGeneration(Component component) {
    Iterator subProperties = component.getPropertyIterator();
    while ( subProperties.hasNext() ) {
      Property prop = ( Property ) subProperties.next();
      if ( prop.getGeneration() == PropertyGeneration.ALWAYS ) {
        return true;
      }
      else if ( prop.getValue() instanceof Component ) {
        if ( hasPartialUpdateComponentGeneration( ( Component ) prop.getValue() ) ) {
          return true;
        }
      }
    }
    return false;
  }

  private void mapPropertyToIndex(Property prop, int i) {
    propertyIndexes.put( prop.getName(), i );
    if ( prop.getValue() instanceof Component ) {
      Iterator iter = ( (Component) prop.getValue() ).getPropertyIterator();
      while ( iter.hasNext() ) {
        Property subprop = (Property) iter.next();
        propertyIndexes.put(
            prop.getName() + '.' + subprop.getName(),
            i
          );
      }
    }
  }

  private void mapPropertyToIndex(Attribute attribute, int i) {
    propertyIndexes.put( attribute.getName(), i );
    if ( attribute.isSingular() &&
        ( ( SingularAttribute ) attribute ).getSingularAttributeType().getNature() == TypeNature.COMPONENT ) {
      org.hibernate.metamodel.domain.Component component =
          ( org.hibernate.metamodel.domain.Component ) ( ( SingularAttribute ) attribute ).getSingularAttributeType();
      for ( Attribute subAttribute : component.getAttributes() ) {
        propertyIndexes.put(
            attribute.getName() + '.' + subAttribute.getName(),
            i
          );
      }
    }
  }

  public EntityTuplizer getTuplizer() {
    return entityTuplizer;
  }

  public int[] getNaturalIdentifierProperties() {
    return naturalIdPropertyNumbers;
  }

  public boolean hasNaturalIdentifier() {
    return naturalIdPropertyNumbers!=null;
  }

  public boolean hasImmutableNaturalId() {
    return hasImmutableNaturalId;
  }

  public Set getSubclassEntityNames() {
    return subclassEntityNames;
  }

  private boolean indicatesCollection(Type type) {
    if ( type.isCollectionType() ) {
      return true;
    }
    else if ( type.isComponentType() ) {
      Type[] subtypes = ( (CompositeType) type ).getSubtypes();
      for ( int i = 0; i < subtypes.length; i++ ) {
        if ( indicatesCollection( subtypes[i] ) ) {
          return true;
        }
      }
    }
    return false;
  }

  public SessionFactoryImplementor getSessionFactory() {
    return sessionFactory;
  }

  public String getName() {
    return name;
  }

  public String getRootName() {
    return rootName;
  }

  public EntityType getEntityType() {
    return entityType;
  }

  public IdentifierProperty getIdentifierProperty() {
    return identifierProperty;
  }

  public int getPropertySpan() {
    return propertySpan;
  }

  public int getVersionPropertyIndex() {
    return versionPropertyIndex;
  }

  public VersionProperty getVersionProperty() {
    if ( NO_VERSION_INDX == versionPropertyIndex ) {
      return null;
    }
    else {
      return ( VersionProperty ) properties[ versionPropertyIndex ];
    }
  }

  public StandardProperty[] getProperties() {
    return properties;
  }

  public int getPropertyIndex(String propertyName) {
    Integer index = getPropertyIndexOrNull(propertyName);
    if ( index == null ) {
      throw new HibernateException("Unable to resolve property: " + propertyName);
    }
    return index.intValue();
  }

  public Integer getPropertyIndexOrNull(String propertyName) {
    return (Integer) propertyIndexes.get( propertyName );
  }

  public boolean hasCollections() {
    return hasCollections;
  }

  public boolean hasMutableProperties() {
    return hasMutableProperties;
  }

  public boolean hasNonIdentifierPropertyNamedId() {
    return hasNonIdentifierPropertyNamedId;
  }

  public boolean hasLazyProperties() {
    return hasLazyProperties;
  }

  public boolean hasCascades() {
    return hasCascades;
  }

  public boolean isMutable() {
    return mutable;
  }

  public boolean isSelectBeforeUpdate() {
    return selectBeforeUpdate;
  }

  public boolean isDynamicUpdate() {
    return dynamicUpdate;
  }

  public boolean isDynamicInsert() {
    return dynamicInsert;
  }

  public int getOptimisticLockMode() {
    return optimisticLockMode;
  }

  public boolean isPolymorphic() {
    return polymorphic;
  }

  public String getSuperclass() {
    return superclass;
  }

  public boolean isExplicitPolymorphism() {
    return explicitPolymorphism;
  }

  public boolean isInherited() {
    return inherited;
  }

  public boolean hasSubclasses() {
    return hasSubclasses;
  }

  public boolean isLazy() {
    return lazy;
  }

  public void setLazy(boolean lazy) {
    this.lazy = lazy;
  }

  public boolean isVersioned() {
    return versioned;
  }

  public boolean isAbstract() {
    return isAbstract;
  }

  /**
   * Return the entity-name mapped to the given class within our inheritance hierarchy, if any.
   *
   * @param inheritenceClass The class for which to resolve the entity-name.
   * @return The mapped entity-name, or null if no such mapping was found.
   */
  public String findEntityNameByEntityClass(Class inheritenceClass) {
    return ( String ) entityNameByInheritenceClassMap.get( inheritenceClass );
  }

  @Override
    public String toString() {
    return "EntityMetamodel(" + name + ':' + ArrayHelper.toString(properties) + ')';
  }

  // temporary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  public String[] getPropertyNames() {
    return propertyNames;
  }

  public Type[] getPropertyTypes() {
    return propertyTypes;
  }

  public boolean[] getPropertyLaziness() {
    return propertyLaziness;
  }

  public boolean[] getPropertyUpdateability() {
    return propertyUpdateability;
  }

  public boolean[] getPropertyCheckability() {
    return propertyCheckability;
  }

  public boolean[] getNonlazyPropertyUpdateability() {
    return nonlazyPropertyUpdateability;
  }

  public boolean[] getPropertyInsertability() {
    return propertyInsertability;
  }

  public ValueInclusion[] getPropertyInsertGenerationInclusions() {
    return insertInclusions;
  }

  public ValueInclusion[] getPropertyUpdateGenerationInclusions() {
    return updateInclusions;
  }

  public boolean[] getPropertyNullability() {
    return propertyNullability;
  }

  public boolean[] getPropertyVersionability() {
    return propertyVersionability;
  }

  public CascadeStyle[] getCascadeStyles() {
    return cascadeStyles;
  }

  public boolean hasInsertGeneratedValues() {
    return hasInsertGeneratedValues;
  }

  public boolean hasUpdateGeneratedValues() {
    return hasUpdateGeneratedValues;
  }

  public EntityMode getEntityMode() {
    return entityMode;
  }
}
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