Package org.hibernate.cfg

Source Code of org.hibernate.cfg.AnnotationConfiguration$CacheHolder

// $Id: AnnotationConfiguration.java 14389 2008-03-04 21:22:12Z epbernard $
package org.hibernate.cfg;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.SortedSet;
import java.util.StringTokenizer;
import java.util.TreeSet;
import java.net.URL;

import javax.persistence.Entity;
import javax.persistence.MappedSuperclass;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.hibernate.AnnotationException;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.SessionFactory;
import org.hibernate.Interceptor;
import org.hibernate.annotations.AnyMetaDef;
import org.hibernate.annotations.common.reflection.ReflectionManager;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.cfg.annotations.Version;
import org.hibernate.cfg.annotations.reflection.EJB3ReflectionManager;
import org.hibernate.cfg.search.SearchConfiguration;
import org.hibernate.event.PostDeleteEventListener;
import org.hibernate.event.PostInsertEventListener;
import org.hibernate.event.PostUpdateEventListener;
import org.hibernate.event.PreInsertEventListener;
import org.hibernate.event.PreUpdateEventListener;
import org.hibernate.event.EventListeners;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Join;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Table;
import org.hibernate.mapping.UniqueKey;
import org.hibernate.util.JoinedIterator;
import org.hibernate.util.ReflectHelper;
import org.hibernate.util.StringHelper;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

/**
* Similar to the {@link Configuration} object but handles EJB3 and Hibernate
* specific annotations as a metadata facility
*
* @author Emmanuel Bernard
*/
public class AnnotationConfiguration extends Configuration {
  private static Log log = LogFactory.getLog( AnnotationConfiguration.class );

  static {
    Version.touch(); //touch version
  }

  public static final String ARTEFACT = "hibernate.mapping.precedence";
  public static final String DEFAULT_PRECEDENCE = "hbm, class";

  private Map namedGenerators;
  private Map<String, Map<String, Join>> joins;
  private Map<String, AnnotatedClassType> classTypes;
  private Set<String> defaultNamedQueryNames;
  private Set<String> defaultNamedNativeQueryNames;
  private Set<String> defaultSqlResulSetMappingNames;
  private Set<String> defaultNamedGenerators;
  private Map<String, Properties> generatorTables;
  private Map<Table, List<String[]>> tableUniqueConstraints;
  private Map<String, String> mappedByResolver;
  private Map<String, String> propertyRefResolver;
  private Map<String, AnyMetaDef> anyMetaDefs;
  private List<XClass> annotatedClasses;
  private Map<String, XClass> annotatedClassEntities;
  private Map<String, Document> hbmEntities;
  private List<CacheHolder> caches;
  private List<Document> hbmDocuments; //user ordering matters, hence the list
  private String precedence = null;
  private boolean inSecondPass = false;
  private transient ReflectionManager reflectionManager;
  private boolean isDefaultProcessed = false;
  private boolean isValidatorNotPresentLogged;

  public AnnotationConfiguration() {
    super();
  }

  public AnnotationConfiguration(SettingsFactory sf) {
    super( sf );
  }

  protected List<XClass> orderAndFillHierarchy(List<XClass> original) {
    //TODO remove embeddable
    List<XClass> copy = new ArrayList<XClass>( original );
    //for each class, copy all the relevent hierarchy
    for (XClass clazz : original) {
      XClass superClass = clazz.getSuperclass();
      while ( superClass != null && !reflectionManager.equals( superClass, Object.class ) && !copy.contains( superClass ) ) {
        if ( superClass.isAnnotationPresent( Entity.class )
            || superClass.isAnnotationPresent( MappedSuperclass.class ) ) {
          copy.add( superClass );
        }
        superClass = superClass.getSuperclass();
      }
    }
    List<XClass> workingCopy = new ArrayList<XClass>( copy );
    List<XClass> newList = new ArrayList<XClass>( copy.size() );
    while ( workingCopy.size() > 0 ) {
      XClass clazz = workingCopy.get( 0 );
      orderHierarchy( workingCopy, newList, copy, clazz );
    }
    return newList;
  }

  private void orderHierarchy(List<XClass> copy, List<XClass> newList, List<XClass> original, XClass clazz) {
    if ( clazz == null || reflectionManager.equals( clazz, Object.class ) ) return;
    //process superclass first
    orderHierarchy( copy, newList, original, clazz.getSuperclass() );
    if ( original.contains( clazz ) ) {
      if ( !newList.contains( clazz ) ) {
        newList.add( clazz );
      }
      copy.remove( clazz );
    }
  }

  /**
   * Read a mapping from the class annotation metadata (JSR 175).
   *
   * @param persistentClass the mapped class
   * @return the configuration object
   */
  public AnnotationConfiguration addAnnotatedClass(Class persistentClass) throws MappingException {
    XClass persistentXClass = reflectionManager.toXClass( persistentClass );
    try {
      annotatedClasses.add( persistentXClass );
      return this;
    }
    catch (MappingException me) {
      log.error( "Could not compile the mapping annotations", me );
      throw me;
    }
  }

  /**
   * Read package level metadata
   *
   * @param packageName java package name
   * @return the configuration object
   */
  public AnnotationConfiguration addPackage(String packageName) throws MappingException {
    log.info( "Mapping package " + packageName );
    try {
      AnnotationBinder.bindPackage( packageName, createExtendedMappings() );
      return this;
    }
    catch (MappingException me) {
      log.error( "Could not compile the mapping annotations", me );
      throw me;
    }
  }

  public ExtendedMappings createExtendedMappings() {
    return new ExtendedMappings(
        classes,
        collections,
        tables,
        namedQueries,
        namedSqlQueries,
        sqlResultSetMappings,
        defaultNamedQueryNames,
        defaultNamedNativeQueryNames,
        defaultSqlResulSetMappingNames,
        defaultNamedGenerators,
        imports,
        secondPasses,
        propertyReferences,
        namingStrategy,
        typeDefs,
        filterDefinitions,
        namedGenerators,
        joins,
        classTypes,
        extendsQueue,
        tableNameBinding, columnNameBindingPerTable, auxiliaryDatabaseObjects,
        generatorTables,
        tableUniqueConstraints,
        mappedByResolver,
        propertyRefResolver,
        anyMetaDefs,
        reflectionManager
    );
  }

  @Override
  public void setCacheConcurrencyStrategy(
      String clazz, String concurrencyStrategy, String region, boolean cacheLazyProperty
  ) throws MappingException {
    caches.add( new CacheHolder( clazz, concurrencyStrategy, region, true, cacheLazyProperty ) );
  }

  @Override
  public void setCollectionCacheConcurrencyStrategy(String collectionRole, String concurrencyStrategy, String region)
      throws MappingException {
    caches.add( new CacheHolder( collectionRole, concurrencyStrategy, region, false, false ) );
  }

  @Override
  protected void reset() {
    super.reset();
    namedGenerators = new HashMap();
    joins = new HashMap<String, Map<String, Join>>();
    classTypes = new HashMap<String, AnnotatedClassType>();
    generatorTables = new HashMap<String, Properties>();
    defaultNamedQueryNames = new HashSet<String>();
    defaultNamedNativeQueryNames = new HashSet<String>();
    defaultSqlResulSetMappingNames = new HashSet<String>();
    defaultNamedGenerators = new HashSet<String>();
    tableUniqueConstraints = new HashMap<Table, List<String[]>>();
    mappedByResolver = new HashMap<String, String>();
    propertyRefResolver = new HashMap<String, String>();
    annotatedClasses = new ArrayList<XClass>();
    caches = new ArrayList<CacheHolder>();
    hbmEntities = new HashMap<String, Document>();
    annotatedClassEntities = new HashMap<String, XClass>();
    hbmDocuments = new ArrayList<Document>();
    namingStrategy = EJB3NamingStrategy.INSTANCE;
    setEntityResolver( new EJB3DTDEntityResolver() );
    anyMetaDefs = new HashMap<String, AnyMetaDef>();
    reflectionManager = new EJB3ReflectionManager();
  }

  @Override
  protected void secondPassCompile() throws MappingException {
    log.debug( "Execute first pass mapping processing" );
    //build annotatedClassEntities
    {
      List<XClass> tempAnnotatedClasses = new ArrayList<XClass>( annotatedClasses.size() );
      for (XClass clazz : annotatedClasses) {
        if ( clazz.isAnnotationPresent( Entity.class ) ) {
          annotatedClassEntities.put( clazz.getName(), clazz );
          tempAnnotatedClasses.add( clazz );
        }
        else if ( clazz.isAnnotationPresent( MappedSuperclass.class ) ) {
          tempAnnotatedClasses.add( clazz );
        }
        //only keep MappedSuperclasses and Entity in this list
      }
      annotatedClasses = tempAnnotatedClasses;
    }

    //process default values first
    if ( !isDefaultProcessed ) {
      AnnotationBinder.bindDefaults( createExtendedMappings() );
      isDefaultProcessed = true;
    }

    //process entities
    if ( precedence == null ) precedence = getProperties().getProperty( ARTEFACT );
    if ( precedence == null ) precedence = DEFAULT_PRECEDENCE;
    StringTokenizer precedences = new StringTokenizer( precedence, ",; ", false );
    if ( !precedences.hasMoreElements() ) {
      throw new MappingException( ARTEFACT + " cannot be empty: " + precedence );
    }
    while ( precedences.hasMoreElements() ) {
      String artifact = (String) precedences.nextElement();
      removeConflictedArtifact( artifact );
      processArtifactsOfType( artifact );
    }

    int cacheNbr = caches.size();
    for (int index = 0; index < cacheNbr; index++) {
      CacheHolder cacheHolder = caches.get( index );
      if ( cacheHolder.isClass ) {
        super.setCacheConcurrencyStrategy(
            cacheHolder.role, cacheHolder.usage, cacheHolder.region, cacheHolder.cacheLazy
        );
      }
      else {
        super.setCollectionCacheConcurrencyStrategy( cacheHolder.role, cacheHolder.usage, cacheHolder.region );
      }
    }
    caches.clear();
    try {
      inSecondPass = true;
      processFkSecondPassInOrder();
      Iterator iter = secondPasses.iterator();
      while ( iter.hasNext() ) {
        SecondPass sp = (SecondPass) iter.next();
        //do the second pass of fk before the others and remove them
        if ( sp instanceof CreateKeySecondPass ) {
          sp.doSecondPass( classes );
          iter.remove();
        }
      }

      iter = secondPasses.iterator();
      while ( iter.hasNext() ) {
        SecondPass sp = (SecondPass) iter.next();
        //do the SecondaryTable second pass before any association becasue associations can be built on joins
        if ( sp instanceof SecondaryTableSecondPass ) {
          sp.doSecondPass( classes );
          iter.remove();
        }
      }
      super.secondPassCompile();
      inSecondPass = false;
    }
    catch (RecoverableException e) {
      //the exception was not recoverable after all
      throw (RuntimeException) e.getCause();
    }
    Iterator tables = tableUniqueConstraints.entrySet().iterator();
    Table table;
    Map.Entry entry;
    String keyName;
    int uniqueIndexPerTable;
    while ( tables.hasNext() ) {
      entry = (Map.Entry) tables.next();
      table = (Table) entry.getKey();
      List<String[]> uniqueConstraints = (List<String[]>) entry.getValue();
      uniqueIndexPerTable = 0;
      for (String[] columnNames : uniqueConstraints) {
        keyName = "key" + uniqueIndexPerTable++;
        buildUniqueKeyFromColumnNames( columnNames, table, keyName );
      }
    }
    boolean applyOnDdl = getProperties().getProperty(
        "hibernate.validator.apply_to_ddl", //org.hibernate.validator.Environment.APPLY_TO_DDL
        "true" )
        .equalsIgnoreCase( "true" );

    //TODO search for the method only once and cache it?
    Constructor validatorCtr = null;
    Method applyMethod = null;
    try {
      Class classValidator = ReflectHelper.classForName( "org.hibernate.validator.ClassValidator", this.getClass() );
      Class messageInterpolator = ReflectHelper.classForName( "org.hibernate.validator.MessageInterpolator", this.getClass() );
      validatorCtr = classValidator.getDeclaredConstructor( new Class[] {
          Class.class, ResourceBundle.class, messageInterpolator, Map.class, ReflectionManager.class
      }
      );
      applyMethod = classValidator.getMethod( "apply", PersistentClass.class );
    }
    catch (ClassNotFoundException e) {
      if ( !isValidatorNotPresentLogged ) {
        log.info( "Hibernate Validator not found: ignoring" );
      }
      isValidatorNotPresentLogged = true;
    }
    catch (NoSuchMethodException e) {
      throw new AnnotationException( e );
    }
    if ( applyMethod != null && applyOnDdl ) {
      for (PersistentClass persistentClazz : (Collection<PersistentClass>) classes.values()) {
        //integrate the validate framework
        String className = persistentClazz.getClassName();
        if ( StringHelper.isNotEmpty( className ) ) {
          try {
            Object validator = validatorCtr.newInstance(
                ReflectHelper.classForName( className ), null, null, null, reflectionManager
            );
            applyMethod.invoke( validator, persistentClazz );
          }
          catch (Exception e) {
            log.warn( "Unable to apply constraints on DDL for " + className, e );
          }
        }
      }
    }
  }

  private void processFkSecondPassInOrder() {
    log.debug( "processing fk mappings (*ToOne and JoinedSubclass)" );
    Iterator iter = secondPasses.iterator();
    /* We need to process FKSecond pass trying to resolve any
     * graph circularity (ie PK made of a many to one linking to
     * an entity having a PK made of a ManyToOne ...
     */
    SortedSet<FkSecondPass> fkSecondPasses = new TreeSet<FkSecondPass>(
        new Comparator<FkSecondPass>() {
          //The comparator implementation has to respect the compare=0 => equals() = true for sets
          public int compare(FkSecondPass f1, FkSecondPass f2) {
            int compare = f1.getValue().getTable().getQuotedName().compareTo(
                f2.getValue().getTable().getQuotedName()
            );
            if ( compare == 0 ) {
              //same table, we still need to differenciate true equality
              if ( f1.hashCode() < f2.hashCode() ) {
                compare = -1;
              }
              else if ( f1.hashCode() == f2.hashCode() ) {
                compare = 0;
              }
              else {
                compare = 1;
              }
            }
            return compare;
          }
        }
    );
    while ( iter.hasNext() ) {
      SecondPass sp = (SecondPass) iter.next();
      //do the second pass of fk before the others and remove them
      if ( sp instanceof FkSecondPass ) {
        fkSecondPasses.add( (FkSecondPass) sp );
        iter.remove();
      }
    }
    if ( fkSecondPasses.size() > 0 ) {
      Map<String, Set<String>> isADependencyOf = new HashMap<String, Set<String>>();
      List orderedFkSecondPasses = new ArrayList( fkSecondPasses.size() );
      List endOfQueueFkSecondPasses = new ArrayList( fkSecondPasses.size() );
      List orderedTable = new ArrayList( fkSecondPasses.size() );
      Iterator it = fkSecondPasses.iterator();
      while ( it.hasNext() ) {
        FkSecondPass sp = (FkSecondPass) it.next();
        String referenceEntityName = sp.getReferencedEntityName();
        PersistentClass classMapping = getClassMapping( referenceEntityName );
        if ( sp.isInPrimaryKey() ) {
          String dependentTable = classMapping.getTable().getQuotedName();
          if ( !isADependencyOf.containsKey( dependentTable ) ) {
            isADependencyOf.put( dependentTable, new HashSet<String>() );
          }
          String table = sp.getValue().getTable().getQuotedName();
          isADependencyOf.get( dependentTable ).add( table );
          int beAfter = orderedTable.indexOf( dependentTable );
          int beBefore = orderedFkSecondPasses.size();
          Set<String> dependencies = isADependencyOf.get( table );
          if ( dependencies != null ) {
            for (String tableDep : dependencies) {
              //for each declared dependency take the lowest index
              int index = orderedTable.indexOf( tableDep );
              //index = -1 when we have a self dependency
              beBefore = index != -1 && index < beBefore ? index : beBefore;
            }
          }
          int currentIndex = orderedTable.indexOf( table );
          if ( beBefore < beAfter ||
              ( currentIndex != -1 && ( currentIndex < beAfter || currentIndex > beBefore ) )
              ) {
            StringBuilder sb = new StringBuilder(
                "Foreign key circularity dependency involving the following tables: "
            );
            //TODO deduplicate tables
            sb.append( table );
            if ( beAfter > -1 ) sb.append( ", " ).append( dependentTable );
            if ( beBefore < orderedFkSecondPasses.size() ) {
              sb.append( ", " ).append( orderedTable.get( beBefore ) );
            }
            throw new AnnotationException( sb.toString() );
          }
          currentIndex = currentIndex == -1 ? beBefore : currentIndex;
          orderedTable.add( currentIndex, table );
          orderedFkSecondPasses.add( currentIndex, sp );
        }
        else {
          endOfQueueFkSecondPasses.add( sp );
        }
      }
      it = orderedFkSecondPasses.listIterator();
      while ( it.hasNext() ) {
        ( (SecondPass) it.next() ).doSecondPass( classes );
      }

      /*
       * If a second pass raises a recoverableException, queue it for next round
       * stop of no pass has to be processed or if the number of pass to processes
       * does not diminish between two rounds.
       * If some failing pass remain, raise the original exception
       */
      boolean stopProcess = false;
      RuntimeException originalException = null;
      while ( ! stopProcess ) {
        List failingSecondPasses = new ArrayList();
        it = endOfQueueFkSecondPasses.listIterator();
        while ( it.hasNext() ) {
          final SecondPass pass = (SecondPass) it.next();
          try {
            pass.doSecondPass( classes );
          }
          catch (RecoverableException e) {
            failingSecondPasses.add( pass );
            if (originalException == null) originalException = (RuntimeException) e.getCause();
          }
        }
        stopProcess = failingSecondPasses.size() == 0 || failingSecondPasses.size() == endOfQueueFkSecondPasses.size();
        endOfQueueFkSecondPasses = failingSecondPasses;
      }
      if (endOfQueueFkSecondPasses.size() > 0) {
        throw originalException;
      }
    }
  }

  private void processArtifactsOfType(String artifact) {
    if ( "hbm".equalsIgnoreCase( artifact ) ) {
      log.debug( "Process hbm files" );
      for (Document document : hbmDocuments) {
        super.add( document );
      }
      hbmDocuments.clear();
      hbmEntities.clear();
    }
    else if ( "class".equalsIgnoreCase( artifact ) ) {
      log.debug( "Process annotated classes" );
      //bind classes in the correct order calculating some inheritance state
      List<XClass> orderedClasses = orderAndFillHierarchy( annotatedClasses );
      Map<XClass, InheritanceState> inheritanceStatePerClass = AnnotationBinder.buildInheritanceStates(
          orderedClasses, reflectionManager
      );
      ExtendedMappings mappings = createExtendedMappings();
      for (XClass clazz : orderedClasses) {
        //todo use the same extended mapping
        AnnotationBinder.bindClass( clazz, inheritanceStatePerClass, mappings );
      }
      annotatedClasses.clear();
      annotatedClassEntities.clear();
    }
    else {
      log.warn( "Unknown artifact: " + artifact );
    }
  }

  private void removeConflictedArtifact(String artifact) {
    if ( "hbm".equalsIgnoreCase( artifact ) ) {
      for (String entity : hbmEntities.keySet()) {
        if ( annotatedClassEntities.containsKey( entity ) ) {
          annotatedClasses.remove( annotatedClassEntities.get( entity ) );
          annotatedClassEntities.remove( entity );
        }
      }
    }
    else if ( "class".equalsIgnoreCase( artifact ) ) {
      for (String entity : annotatedClassEntities.keySet()) {
        if ( hbmEntities.containsKey( entity ) ) {
          hbmDocuments.remove( hbmEntities.get( entity ) );
          hbmEntities.remove( entity );
        }
      }
    }
  }

  private void buildUniqueKeyFromColumnNames(String[] columnNames, Table table, String keyName) {
    UniqueKey uc;
    int size = columnNames.length;
    Column[] columns = new Column[size];
    Set<Column> unbound = new HashSet<Column>();
    Set<Column> unboundNoLogical = new HashSet<Column>();
    ExtendedMappings mappings = createExtendedMappings();
    for (int index = 0; index < size; index++) {
      String columnName;
      try {
        columnName = mappings.getPhysicalColumnName( columnNames[index], table );
        columns[index] = new Column( columnName );
        unbound.add( columns[index] );
        //column equals and hashcode is based on column name
      }
      catch (MappingException e) {
        unboundNoLogical.add( new Column( columnNames[index] ) );
      }
    }
    for (Column column : columns) {
      if ( table.containsColumn( column ) ) {
        uc = table.getOrCreateUniqueKey( keyName );
        uc.addColumn( table.getColumn( column ) );
        unbound.remove( column );
      }
    }
    if ( unbound.size() > 0 || unboundNoLogical.size() > 0 ) {
      StringBuilder sb = new StringBuilder( "Unable to create unique key constraint (" );
      for (String columnName : columnNames) {
        sb.append( columnName ).append( ", " );
      }
      sb.setLength( sb.length() - 2 );
      sb.append( ") on table " ).append( table.getName() ).append( ": " );
      for (Column column : unbound) {
        sb.append( column.getName() ).append( ", " );
      }
      for (Column column : unboundNoLogical) {
        sb.append( column.getName() ).append( ", " );
      }
      sb.setLength( sb.length() - 2 );
      sb.append( " not found" );
      throw new AnnotationException( sb.toString() );
    }
  }

  @Override
  protected void parseMappingElement(Element subelement, String name) {
    Attribute rsrc = subelement.attribute( "resource" );
    Attribute file = subelement.attribute( "file" );
    Attribute jar = subelement.attribute( "jar" );
    Attribute pckg = subelement.attribute( "package" );
    Attribute clazz = subelement.attribute( "class" );
    if ( rsrc != null ) {
      log.debug( name + "<-" + rsrc );
      addResource( rsrc.getValue() );
    }
    else if ( jar != null ) {
      log.debug( name + "<-" + jar );
      addJar( new File( jar.getValue() ) );
    }
    else if ( file != null ) {
      log.debug( name + "<-" + file );
      addFile( file.getValue() );
    }
    else if ( pckg != null ) {
      log.debug( name + "<-" + pckg );
      addPackage( pckg.getValue() );
    }
    else if ( clazz != null ) {
      log.debug( name + "<-" + clazz );
      Class loadedClass = null;
      try {
        loadedClass = ReflectHelper.classForName( clazz.getValue() );
      }
      catch (ClassNotFoundException cnf) {
        throw new MappingException(
            "Unable to load class declared as <mapping class=\"" + clazz.getValue() + "\"/> in the configuration:",
            cnf
        );
      }
      catch (NoClassDefFoundError ncdf) {
        throw new MappingException(
            "Unable to load class declared as <mapping class=\"" + clazz.getValue() + "\"/> in the configuration:",
            ncdf
        );
      }

      addAnnotatedClass( loadedClass );
    }
    else {
      throw new MappingException( "<mapping> element in configuration specifies no attributes" );
    }
  }

  @Override
  protected void add(org.dom4j.Document doc) throws MappingException {
    boolean ejb3Xml = "entity-mappings".equals( doc.getRootElement().getName() );
    if ( inSecondPass ) {
      //if in second pass bypass the queueing, getExtendedQueue reuse this method
      if ( !ejb3Xml ) super.add( doc );
    }
    else {
      if ( !ejb3Xml ) {
        final Element hmNode = doc.getRootElement();
        Attribute packNode = hmNode.attribute( "package" );
        String defaultPackage = packNode != null
            ? packNode.getValue()
            : "";
        Set<String> entityNames = new HashSet<String>();
        findClassNames( defaultPackage, hmNode, entityNames );
        for (String entity : entityNames) {
          hbmEntities.put( entity, doc );
        }
        hbmDocuments.add( doc );
      }
      else {
        List<String> classnames = ( (EJB3ReflectionManager) reflectionManager ).getXMLContext().addDocument( doc );
        for (String classname : classnames) {
          try {
            annotatedClasses.add( reflectionManager.classForName( classname, this.getClass() ) );
          }
          catch (ClassNotFoundException e) {
            throw new AnnotationException( "Unable to load class defined in XML: " + classname, e );
          }
        }
      }
    }
  }

  private static void findClassNames(
      String defaultPackage, final Element startNode,
      final java.util.Set names
  ) {
    // if we have some extends we need to check if those classes possibly could be inside the
    // same hbm.xml file...
    Iterator[] classes = new Iterator[4];
    classes[0] = startNode.elementIterator( "class" );
    classes[1] = startNode.elementIterator( "subclass" );
    classes[2] = startNode.elementIterator( "joined-subclass" );
    classes[3] = startNode.elementIterator( "union-subclass" );

    Iterator classIterator = new JoinedIterator( classes );
    while ( classIterator.hasNext() ) {
      Element element = (Element) classIterator.next();
      String entityName = element.attributeValue( "entity-name" );
      if ( entityName == null ) entityName = getClassName( element.attribute( "name" ), defaultPackage );
      names.add( entityName );
      findClassNames( defaultPackage, element, names );
    }
  }

  private static String getClassName(Attribute name, String defaultPackage) {
    if ( name == null ) return null;
    String unqualifiedName = name.getValue();
    if ( unqualifiedName == null ) return null;
    if ( unqualifiedName.indexOf( '.' ) < 0 && defaultPackage != null ) {
      return defaultPackage + '.' + unqualifiedName;
    }
    return unqualifiedName;
  }

  public void setPrecedence(String precedence) {
    this.precedence = precedence;
  }

  private static class CacheHolder {
    public CacheHolder(String role, String usage, String region, boolean isClass, boolean cacheLazy) {
      this.role = role;
      this.usage = usage;
      this.region = region;
      this.isClass = isClass;
      this.cacheLazy = cacheLazy;
    }

    public String role;
    public String usage;
    public String region;
    public boolean isClass;
    public boolean cacheLazy;
  }

  @Override
  public AnnotationConfiguration addInputStream(InputStream xmlInputStream) throws MappingException {
    try {
      List errors = new ArrayList();
      SAXReader saxReader = xmlHelper.createSAXReader( "XML InputStream", errors, getEntityResolver() );
      try {
        saxReader.setFeature( "http://apache.org/xml/features/validation/schema", true );
        //saxReader.setFeature( "http://apache.org/xml/features/validation/dynamic", true );
        //set the default schema locators
        saxReader.setProperty(
            "http://apache.org/xml/properties/schema/external-schemaLocation",
            "http://java.sun.com/xml/ns/persistence/orm orm_1_0.xsd"
        );
      }
      catch (SAXException e) {
        saxReader.setValidation( false );
      }
      org.dom4j.Document doc = saxReader
          .read( new InputSource( xmlInputStream ) );

      if ( errors.size() != 0 ) {
        throw new MappingException( "invalid mapping", (Throwable) errors.get( 0 ) );
      }
      add( doc );
      return this;
    }
    catch (DocumentException e) {
      throw new MappingException( "Could not parse mapping document in input stream", e );
    }
    finally {
      try {
        xmlInputStream.close();
      }
      catch (IOException ioe) {
        log.warn( "Could not close input stream", ioe );
      }
    }
  }

  public SessionFactory buildSessionFactory() throws HibernateException {
    //add validator events if the jar is available
    boolean enableValidatorListeners = !"false".equalsIgnoreCase( getProperty( "hibernate.validator.autoregister_listeners" ) );
    Class validateEventListenerClass = null;
    try {
      validateEventListenerClass = ReflectHelper.classForName(
          "org.hibernate.validator.event.ValidateEventListener",
          AnnotationConfiguration.class );
    }
    catch (ClassNotFoundException e) {
      //validator is not present
      log.debug( "Validator not present in classpath, ignoring event listener registration" );
    }
    if ( enableValidatorListeners && validateEventListenerClass != null ) {
      //TODO so much duplication
      Object validateEventListener;
      try {
        validateEventListener = validateEventListenerClass.newInstance();
      }
      catch (Exception e) {
        throw new AnnotationException( "Unable to load Validator event listener", e );
      }
      {
        boolean present = false;
        PreInsertEventListener[] listeners = getEventListeners().getPreInsertEventListeners();
        if ( listeners != null ) {
          for (Object eventListener : listeners) {
            //not isAssignableFrom since the user could subclass
            present = present || validateEventListenerClass == eventListener.getClass();
          }
          if ( !present ) {
            int length = listeners.length + 1;
            PreInsertEventListener[] newListeners = new PreInsertEventListener[length];
            for (int i = 0; i < length - 1; i++) {
              newListeners[i] = listeners[i];
            }
            newListeners[length - 1] = (PreInsertEventListener) validateEventListener;
            getEventListeners().setPreInsertEventListeners( newListeners );
          }
        }
        else {
          getEventListeners().setPreInsertEventListeners(
              new PreInsertEventListener[] { (PreInsertEventListener) validateEventListener }
          );
        }
      }

      //update event listener
      {
        boolean present = false;
        PreUpdateEventListener[] listeners = getEventListeners().getPreUpdateEventListeners();
        if ( listeners != null ) {
          for (Object eventListener : listeners) {
            //not isAssignableFrom since the user could subclass
            present = present || validateEventListenerClass == eventListener.getClass();
          }
          if ( !present ) {
            int length = listeners.length + 1;
            PreUpdateEventListener[] newListeners = new PreUpdateEventListener[length];
            for (int i = 0; i < length - 1; i++) {
              newListeners[i] = listeners[i];
            }
            newListeners[length - 1] = (PreUpdateEventListener) validateEventListener;
            getEventListeners().setPreUpdateEventListeners( newListeners );
          }
        }
        else {
          getEventListeners().setPreUpdateEventListeners(
              new PreUpdateEventListener[] { (PreUpdateEventListener) validateEventListener }
          );
        }
      }
    }
    SearchConfiguration.enableHibernateSearch( getEventListeners(), getProperties() );


    return super.buildSessionFactory();
  }

  @Override
  public AnnotationConfiguration addFile(String xmlFile) throws MappingException {
    super.addFile( xmlFile );
    return this;
  }

  @Override
  public AnnotationConfiguration addFile(File xmlFile) throws MappingException {
    super.addFile( xmlFile );
    return this;
  }

  @Override
  public AnnotationConfiguration addCacheableFile(File xmlFile) throws MappingException {
    super.addCacheableFile( xmlFile );
    return this;
  }

  @Override
  public AnnotationConfiguration addCacheableFile(String xmlFile) throws MappingException {
    super.addCacheableFile( xmlFile );
    return this;
  }

  @Override
  public AnnotationConfiguration addXML(String xml) throws MappingException {
    super.addXML( xml );
    return this;
  }

  @Override
  public AnnotationConfiguration addURL(URL url) throws MappingException {
    super.addURL( url );
    return this;
  }

  @Override
  public AnnotationConfiguration addResource(String resourceName, ClassLoader classLoader) throws MappingException {
    super.addResource( resourceName, classLoader );
    return this;
  }

  @Override
  public AnnotationConfiguration addDocument(org.w3c.dom.Document doc) throws MappingException {
    super.addDocument( doc );
    return this;
  }

  @Override
  public AnnotationConfiguration addResource(String resourceName) throws MappingException {
    super.addResource( resourceName );
    return this;
  }

  @Override
  public AnnotationConfiguration addClass(Class persistentClass) throws MappingException {
    super.addClass( persistentClass );
    return this;
  }

  @Override
  public AnnotationConfiguration addJar(File jar) throws MappingException {
    super.addJar( jar );
    return this;
  }

  @Override
  public AnnotationConfiguration addDirectory(File dir) throws MappingException {
    super.addDirectory( dir );
    return this;
  }

  @Override
  public AnnotationConfiguration setInterceptor(Interceptor interceptor) {
    super.setInterceptor( interceptor );
    return this;
  }

  @Override
  public AnnotationConfiguration setProperties(Properties properties) {
    super.setProperties( properties );
    return this;
  }

  @Override
  public AnnotationConfiguration addProperties(Properties extraProperties) {
    super.addProperties( extraProperties );
    return this;
  }

  @Override
  public AnnotationConfiguration mergeProperties(Properties properties) {
    super.mergeProperties( properties );
    return this;
  }

  @Override
  public AnnotationConfiguration setProperty(String propertyName, String value) {
    super.setProperty( propertyName, value );
    return this;
  }

  @Override
  public AnnotationConfiguration configure() throws HibernateException {
    super.configure();
    return this;
  }

  @Override
  public AnnotationConfiguration configure(String resource) throws HibernateException {
    super.configure( resource );
    return this;
  }

  @Override
  public AnnotationConfiguration configure(URL url) throws HibernateException {
    super.configure( url );
    return this;
  }

  @Override
  public AnnotationConfiguration configure(File configFile) throws HibernateException {
    super.configure( configFile );
    return this;
  }

  @Override
  protected AnnotationConfiguration doConfigure(InputStream stream, String resourceName) throws HibernateException {
    super.doConfigure( stream, resourceName );
    return this;
  }

  @Override
  public AnnotationConfiguration configure(org.w3c.dom.Document document) throws HibernateException {
    super.configure( document );
    return this;
  }

  @Override
  protected AnnotationConfiguration doConfigure(Document doc) throws HibernateException {
    super.doConfigure( doc );
    return this;
  }

  @Override
  public AnnotationConfiguration setCacheConcurrencyStrategy(String clazz, String concurrencyStrategy) throws MappingException {
    super.setCacheConcurrencyStrategy( clazz, concurrencyStrategy );
    return this;
  }

  @Override
  public AnnotationConfiguration setCollectionCacheConcurrencyStrategy(String collectionRole, String concurrencyStrategy) throws MappingException {
    super.setCollectionCacheConcurrencyStrategy( collectionRole, concurrencyStrategy );
    return this;
  }

  @Override
  public AnnotationConfiguration setNamingStrategy(NamingStrategy namingStrategy) {
    super.setNamingStrategy( namingStrategy );
    return this;
  }

  //not a public API
  public ReflectionManager getReflectionManager() {
    return reflectionManager;
  }
}
TOP

Related Classes of org.hibernate.cfg.AnnotationConfiguration$CacheHolder

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.