Examples of org.hibernate.mapping.Table$ForeignKeyKey

org.hibernate.mapping.Table
A relational table @author Gavin King

    ArrayList keyColumnReaderTemplates = new ArrayList();
    ArrayList cascadeDeletes = new ArrayList();
    Iterator titer = persistentClass.getTableClosureIterator();
    Iterator kiter = persistentClass.getKeyClosureIterator();
    while ( titer.hasNext() ) {
      Table tab = (Table) titer.next();
      KeyValue key = (KeyValue) kiter.next();
      String tabname = tab.getQualifiedName(
          factory.getDialect(),
          factory.getSettings().getDefaultCatalogName(),
          factory.getSettings().getDefaultSchemaName()
      );
      tables.add(tabname);
      String[] keyCols = new String[idColumnSpan];
      String[] keyColReaders = new String[idColumnSpan];
      String[] keyColReaderTemplates = new String[idColumnSpan];
      Iterator citer = key.getColumnIterator();
      for ( int k=0; k<idColumnSpan; k++ ) {
        Column column = (Column) citer.next();
        keyCols[k] = column.getQuotedName( factory.getDialect() );
        keyColReaders[k] = column.getReadExpr( factory.getDialect() );
        keyColReaderTemplates[k] = column.getTemplate( factory.getDialect(), factory.getSqlFunctionRegistry() );
      }
      keyColumns.add(keyCols);
      keyColumnReaders.add(keyColReaders);
      keyColumnReaderTemplates.add(keyColReaderTemplates);
      cascadeDeletes.add( new Boolean( key.isCascadeDeleteEnabled() && factory.getDialect().supportsCascadeDelete() ) );
    }
    
    //Span of the tables directly mapped by this entity and super-classes, if any
    coreTableSpan = tables.size();
    
    isNullableTable = new boolean[persistentClass.getJoinClosureSpan()];
    
    int tabIndex = 0;
    Iterator joinIter = persistentClass.getJoinClosureIterator();
    while ( joinIter.hasNext() ) {
      Join join = (Join) joinIter.next();
      
      isNullableTable[tabIndex++] = join.isOptional();
      
      Table tab = join.getTable();
       
      String tabname = tab.getQualifiedName(
          factory.getDialect(),
          factory.getSettings().getDefaultCatalogName(),
          factory.getSettings().getDefaultSchemaName()
      );
      tables.add(tabname);
      
      KeyValue key = join.getKey();
      int joinIdColumnSpan =   key.getColumnSpan();    
      
      String[] keyCols = new String[joinIdColumnSpan];
      String[] keyColReaders = new String[joinIdColumnSpan];
      String[] keyColReaderTemplates = new String[joinIdColumnSpan];
            
      Iterator citer = key.getColumnIterator();
      
      for ( int k=0; k<joinIdColumnSpan; k++ ) {
        Column column = (Column) citer.next();
        keyCols[k] = column.getQuotedName( factory.getDialect() );
        keyColReaders[k] = column.getReadExpr( factory.getDialect() );
        keyColReaderTemplates[k] = column.getTemplate( factory.getDialect(), factory.getSqlFunctionRegistry() );
      }
      keyColumns.add(keyCols);
      keyColumnReaders.add(keyColReaders);
      keyColumnReaderTemplates.add(keyColReaderTemplates);
      cascadeDeletes.add( new Boolean( key.isCascadeDeleteEnabled() && factory.getDialect().supportsCascadeDelete() ) );
    }
    
    naturalOrderTableNames = ArrayHelper.toStringArray(tables);
    naturalOrderTableKeyColumns = ArrayHelper.to2DStringArray(keyColumns);
    naturalOrderTableKeyColumnReaders = ArrayHelper.to2DStringArray(keyColumnReaders);
    naturalOrderTableKeyColumnReaderTemplates = ArrayHelper.to2DStringArray(keyColumnReaderTemplates);
    naturalOrderCascadeDeleteEnabled = ArrayHelper.toBooleanArray(cascadeDeletes);


    ArrayList subtables = new ArrayList();
    ArrayList isConcretes = new ArrayList();
    ArrayList isDeferreds = new ArrayList();
    ArrayList isLazies = new ArrayList();
    
    keyColumns = new ArrayList();
    titer = persistentClass.getSubclassTableClosureIterator();
    while ( titer.hasNext() ) {
      Table tab = (Table) titer.next();
      isConcretes.add( new Boolean( persistentClass.isClassOrSuperclassTable(tab) ) );
      isDeferreds.add(Boolean.FALSE);
      isLazies.add(Boolean.FALSE);
      String tabname = tab.getQualifiedName(
          factory.getDialect(),
          factory.getSettings().getDefaultCatalogName(),
          factory.getSettings().getDefaultSchemaName()
      );
      subtables.add(tabname);
      String[] key = new String[idColumnSpan];
      Iterator citer = tab.getPrimaryKey().getColumnIterator();
      for ( int k=0; k<idColumnSpan; k++ ) {
        key[k] = ( (Column) citer.next() ).getQuotedName( factory.getDialect() );
      }
      keyColumns.add(key);
    }
    
    //Add joins
    joinIter = persistentClass.getSubclassJoinClosureIterator();
    while ( joinIter.hasNext() ) {
      Join join = (Join) joinIter.next();
      
      Table tab = join.getTable();
       
      isConcretes.add( new Boolean( persistentClass.isClassOrSuperclassTable(tab) ) );
      isDeferreds.add( new Boolean( join.isSequentialSelect() ) );
      isLazies.add(new Boolean(join.isLazy()));
      
      String tabname = tab.getQualifiedName(
          factory.getDialect(),
          factory.getSettings().getDefaultCatalogName(),
          factory.getSettings().getDefaultSchemaName()
      );
      subtables.add(tabname);
      String[] key = new String[idColumnSpan];
      Iterator citer = tab.getPrimaryKey().getColumnIterator();
      for ( int k=0; k<idColumnSpan; k++ ) {
        key[k] = ( (Column) citer.next() ).getQuotedName( factory.getDialect() );
      }
      keyColumns.add(key);
            
    }
        
    String [] naturalOrderSubclassTableNameClosure = ArrayHelper.toStringArray(subtables);
    String[][] naturalOrderSubclassTableKeyColumnClosure = ArrayHelper.to2DStringArray(keyColumns);
    isClassOrSuperclassTable = ArrayHelper.toBooleanArray(isConcretes);
    subclassTableSequentialSelect = ArrayHelper.toBooleanArray(isDeferreds);
    subclassTableIsLazyClosure = ArrayHelper.toBooleanArray(isLazies);
    
    constraintOrderedTableNames = new String[naturalOrderSubclassTableNameClosure.length];
    constraintOrderedKeyColumnNames = new String[naturalOrderSubclassTableNameClosure.length][];
    int currentPosition = 0;
    for ( int i = naturalOrderSubclassTableNameClosure.length - 1; i >= 0 ; i--, currentPosition++ ) {
      constraintOrderedTableNames[currentPosition] = naturalOrderSubclassTableNameClosure[i];
      constraintOrderedKeyColumnNames[currentPosition] = naturalOrderSubclassTableKeyColumnClosure[i];
    } 


    /**
     * Suppose an entity Client extends Person, mapped to the tables CLIENT and PERSON respectively.
     * For the Client entity:
     * naturalOrderTableNames -> PERSON, CLIENT; this reflects the sequence in which the tables are 
     * added to the meta-data when the annotated entities are processed.
     * However, in some instances, for example when generating joins, the CLIENT table needs to be 
     * the first table as it will the driving table.
     * tableNames -> CLIENT, PERSON
     */
        
    tableSpan = naturalOrderTableNames.length;
     tableNames = reverse(naturalOrderTableNames, coreTableSpan);
    tableKeyColumns = reverse(naturalOrderTableKeyColumns, coreTableSpan);
    tableKeyColumnReaders = reverse(naturalOrderTableKeyColumnReaders, coreTableSpan);
    tableKeyColumnReaderTemplates = reverse(naturalOrderTableKeyColumnReaderTemplates, coreTableSpan);
    subclassTableNameClosure = reverse(naturalOrderSubclassTableNameClosure, coreTableSpan);
    subclassTableKeyColumnClosure = reverse(naturalOrderSubclassTableKeyColumnClosure, coreTableSpan);
 
    spaces = ArrayHelper.join(
        tableNames,
        ArrayHelper.toStringArray( persistentClass.getSynchronizedTables() )
    );


    // Custom sql
    customSQLInsert = new String[tableSpan];
    customSQLUpdate = new String[tableSpan];
    customSQLDelete = new String[tableSpan];
    insertCallable = new boolean[tableSpan];
    updateCallable = new boolean[tableSpan];
    deleteCallable = new boolean[tableSpan];
    insertResultCheckStyles = new ExecuteUpdateResultCheckStyle[tableSpan];
    updateResultCheckStyles = new ExecuteUpdateResultCheckStyle[tableSpan];
    deleteResultCheckStyles = new ExecuteUpdateResultCheckStyle[tableSpan];


    PersistentClass pc = persistentClass;
    int jk = coreTableSpan-1;
    while (pc!=null) {
      customSQLInsert[jk] = pc.getCustomSQLInsert();
      insertCallable[jk] = customSQLInsert[jk] != null && pc.isCustomInsertCallable();
      insertResultCheckStyles[jk] = pc.getCustomSQLInsertCheckStyle() == null
                                    ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLInsert[jk], insertCallable[jk] )
                                      : pc.getCustomSQLInsertCheckStyle();
      customSQLUpdate[jk] = pc.getCustomSQLUpdate();
      updateCallable[jk] = customSQLUpdate[jk] != null && pc.isCustomUpdateCallable();
      updateResultCheckStyles[jk] = pc.getCustomSQLUpdateCheckStyle() == null
                                    ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLUpdate[jk], updateCallable[jk] )
                                      : pc.getCustomSQLUpdateCheckStyle();
      customSQLDelete[jk] = pc.getCustomSQLDelete();
      deleteCallable[jk] = customSQLDelete[jk] != null && pc.isCustomDeleteCallable();
      deleteResultCheckStyles[jk] = pc.getCustomSQLDeleteCheckStyle() == null
                                    ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLDelete[jk], deleteCallable[jk] )
                                      : pc.getCustomSQLDeleteCheckStyle();
      jk--;
      pc = pc.getSuperclass();
    }
    
    if ( jk != -1 ) {
      throw new AssertionFailure( "Tablespan does not match height of joined-subclass hiearchy." );
    }
 
    joinIter = persistentClass.getJoinClosureIterator();
    int j = coreTableSpan;
    while ( joinIter.hasNext() ) {
      Join join = (Join) joinIter.next();
      
      customSQLInsert[j] = join.getCustomSQLInsert();
      insertCallable[j] = customSQLInsert[j] != null && join.isCustomInsertCallable();
      insertResultCheckStyles[j] = join.getCustomSQLInsertCheckStyle() == null
                                    ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLInsert[j], insertCallable[j] )
                                      : join.getCustomSQLInsertCheckStyle();
      customSQLUpdate[j] = join.getCustomSQLUpdate();
      updateCallable[j] = customSQLUpdate[j] != null && join.isCustomUpdateCallable();
      updateResultCheckStyles[j] = join.getCustomSQLUpdateCheckStyle() == null
                                    ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLUpdate[j], updateCallable[j] )
                                      : join.getCustomSQLUpdateCheckStyle();
      customSQLDelete[j] = join.getCustomSQLDelete();
      deleteCallable[j] = customSQLDelete[j] != null && join.isCustomDeleteCallable();
      deleteResultCheckStyles[j] = join.getCustomSQLDeleteCheckStyle() == null
                                    ? ExecuteUpdateResultCheckStyle.determineDefault( customSQLDelete[j], deleteCallable[j] )
                                      : join.getCustomSQLDeleteCheckStyle();
      j++;
    }
    
    // PROPERTIES
    int hydrateSpan = getPropertySpan();
    naturalOrderPropertyTableNumbers = new int[hydrateSpan];
    propertyTableNumbers = new int[hydrateSpan];
    Iterator iter = persistentClass.getPropertyClosureIterator();
    int i=0;
    while( iter.hasNext() ) {
      Property prop = (Property) iter.next();
      String tabname = prop.getValue().getTable().getQualifiedName(
        factory.getDialect(),
        factory.getSettings().getDefaultCatalogName(),
        factory.getSettings().getDefaultSchemaName()
      );
      propertyTableNumbers[i] = getTableId(tabname, tableNames);
      naturalOrderPropertyTableNumbers[i] = getTableId(tabname, naturalOrderTableNames);
      i++;
    }


    // subclass closure properties


    //TODO: code duplication with SingleTableEntityPersister


    ArrayList columnTableNumbers = new ArrayList();
    ArrayList formulaTableNumbers = new ArrayList();
    ArrayList propTableNumbers = new ArrayList();


    iter = persistentClass.getSubclassPropertyClosureIterator();
    while ( iter.hasNext() ) {
      Property prop = (Property) iter.next();
      Table tab = prop.getValue().getTable();
      String tabname = tab.getQualifiedName(
          factory.getDialect(),
          factory.getSettings().getDefaultCatalogName(),
          factory.getSettings().getDefaultSchemaName()
      );
      Integer tabnum = new Integer( getTableId(tabname, subclassTableNameClosure) );

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    }
    
    HashSet subclassTables = new HashSet();
    iter = persistentClass.getSubclassTableClosureIterator();
    while ( iter.hasNext() ) {
      Table table = (Table) iter.next();
      subclassTables.add( table.getQualifiedName(
          factory.getDialect(), 
          factory.getSettings().getDefaultCatalogName(), 
          factory.getSettings().getDefaultSchemaName() 
      ) );
    }
    subclassSpaces = ArrayHelper.toStringArray(subclassTables);


    subquery = generateSubquery(persistentClass, mapping);


    if ( isMultiTable() ) {
      int idColumnSpan = getIdentifierColumnSpan();
      ArrayList tableNames = new ArrayList();
      ArrayList keyColumns = new ArrayList();
      if ( !isAbstract() ) {
        tableNames.add( tableName );
        keyColumns.add( getIdentifierColumnNames() );
      }
      iter = persistentClass.getSubclassTableClosureIterator();
      while ( iter.hasNext() ) {
        Table tab = ( Table ) iter.next();
        if ( !tab.isAbstractUnionTable() ) {
          String tableName = tab.getQualifiedName(
              factory.getDialect(),
              factory.getSettings().getDefaultCatalogName(),
              factory.getSettings().getDefaultSchemaName()
          );
          tableNames.add( tableName );
          String[] key = new String[idColumnSpan];
          Iterator citer = tab.getPrimaryKey().getColumnIterator();
          for ( int k=0; k<idColumnSpan; k++ ) {
            key[k] = ( ( Column ) citer.next() ).getQuotedName( factory.getDialect() );
          }
          keyColumns.add( key );
        }

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    }


    HashSet columns = new LinkedHashSet();
    Iterator titer = model.getSubclassTableClosureIterator();
    while ( titer.hasNext() ) {
      Table table = (Table) titer.next();
      if ( !table.isAbstractUnionTable() ) {
        Iterator citer = table.getColumnIterator();
        while ( citer.hasNext() ) columns.add( citer.next() );
      }
    }


    StringBuilder buf = new StringBuilder()
      .append("( ");


    Iterator siter = new JoinedIterator(
      new SingletonIterator(model),
      model.getSubclassIterator()
    );


    while ( siter.hasNext() ) {
      PersistentClass clazz = (PersistentClass) siter.next();
      Table table = clazz.getTable();
      if ( !table.isAbstractUnionTable() ) {
        //TODO: move to .sql package!!
        buf.append("select ");
        Iterator citer = columns.iterator();
        while ( citer.hasNext() ) {
          Column col = (Column) citer.next();
          if ( !table.containsColumn(col) ) {
            int sqlType = col.getSqlTypeCode(mapping);
            buf.append( dialect.getSelectClauseNullString(sqlType) )
              .append(" as ");
          }
          buf.append( col.getQuotedName(dialect) );
          buf.append(", ");
        }
        buf.append( clazz.getSubclassId() )
          .append(" as clazz_");
        buf.append(" from ")
          .append( table.getQualifiedName(
              dialect,
              settings.getDefaultCatalogName(),
              settings.getDefaultSchemaName()
          ) );
        buf.append(" union ");

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    final Iterator<PersistentClass> entityMappings = mappings.iterateClasses();
    final List<Table> idTableDefinitions = new ArrayList<Table>();
    while ( entityMappings.hasNext() ) {
      final PersistentClass entityMapping = entityMappings.next();
      final Table idTableDefinition = generateIdTableDefinition( entityMapping );
      idTableDefinitions.add( idTableDefinition );
    }
    exportTableDefinitions( idTableDefinitions, jdbcServices, connectionAccess, mappings, mapping );
  }

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    }
    exportTableDefinitions( idTableDefinitions, jdbcServices, connectionAccess, mappings, mapping );
  }


  protected Table generateIdTableDefinition(PersistentClass entityMapping) {
    Table idTable = new Table( entityMapping.getTemporaryIdTableName() );
    if ( catalog != null ) {
      idTable.setCatalog( catalog );
    }
    if ( schema != null ) {
      idTable.setSchema( schema );
    }
    Iterator itr = entityMapping.getTable().getPrimaryKey().getColumnIterator();
    while( itr.hasNext() ) {
      Column column = (Column) itr.next();
      idTable.addColumn( column.clone()  );
    }
    Column sessionIdColumn = new Column( "hib_sess_id" );
    sessionIdColumn.setSqlType( "CHAR(36)" );
    sessionIdColumn.setComment( "Used to hold the Hibernate Session identifier" );
    idTable.addColumn( sessionIdColumn );


    idTable.setComment( "Used to hold id values for the " + entityMapping.getEntityName() + " class" );
    return idTable;
  }

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      name = getObjectNameNormalizer().normalizeIdentifierQuoting( name );
      schema = getObjectNameNormalizer().normalizeIdentifierQuoting( schema );
      catalog = getObjectNameNormalizer().normalizeIdentifierQuoting( catalog );


      String key = subselect == null ? Table.qualify( catalog, schema, name ) : subselect;
      Table table = tables.get( key );


      if ( table == null ) {
        table = new Table();
        table.setAbstract( isAbstract );
        table.setName( name );
        table.setSchema( schema );
        table.setCatalog( catalog );
        table.setSubselect( subselect );
        tables.put( key, table );
      }
      else {
        if ( !isAbstract ) {
          table.setAbstract( false );
        }
      }


      return table;
    }

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      String key = subselect == null ? Table.qualify(catalog, schema, name) : subselect;
      if ( tables.containsKey( key ) ) {
        throw new DuplicateMappingException( "table", name );
      }


      Table table = new DenormalizedTable( includedTable );
      table.setAbstract( isAbstract );
      table.setName( name );
      table.setSchema( schema );
      table.setCatalog( catalog );
      table.setSubselect( subselect );


      tables.put( key, table );
      return table;
    }

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    }


    public String getPhysicalColumnName(String logicalName, Table table) throws MappingException {
      logicalName = logicalName.toLowerCase();
      String finalName = null;
      Table currentTable = table;
      do {
        TableColumnNameBinding binding = ( TableColumnNameBinding ) columnNameBindingPerTable.get( currentTable );
        if ( binding != null ) {
          finalName = ( String ) binding.logicalToPhysical.get( logicalName );
        }
        String key = buildTableNameKey(
            currentTable.getQuotedSchema(), currentTable.getQuotedCatalog(), currentTable.getQuotedName()
        );
        TableDescription description = ( TableDescription ) tableNameBinding.get( key );
        if ( description != null ) {
          currentTable = description.denormalizedSupertable;
        }

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      return finalName;
    }


    public String getLogicalColumnName(String physicalName, Table table) throws MappingException {
      String logical = null;
      Table currentTable = table;
      TableDescription description = null;
      do {
        TableColumnNameBinding binding = ( TableColumnNameBinding ) columnNameBindingPerTable.get( currentTable );
        if ( binding != null ) {
          logical = ( String ) binding.physicalToLogical.get( physicalName );
        }
        String key = buildTableNameKey(
            currentTable.getQuotedSchema(), currentTable.getQuotedCatalog(), currentTable.getQuotedName()
        );
        description = ( TableDescription ) tableNameBinding.get( key );
        if ( description != null ) {
          currentTable = description.denormalizedSupertable;
        }

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    Attribute catalogNode = node.attribute( "catalog" );
    String catalog = catalogNode == null ?
        mappings.getCatalogName() : catalogNode.getValue();


    Table table = mappings.addTable(
        schema,
        catalog,
        getClassTableName( entity, node, schema, catalog, null, mappings ),
        getSubselect( node ),
            entity.isAbstract() != null && entity.isAbstract()
      );
    entity.setTable( table );
    bindComment(table, node);


    if ( LOG.isDebugEnabled() ) {
      LOG.debugf( "Mapping class: %s -> %s", entity.getEntityName(), entity.getTable().getName() );
    }


    // MUTABLE
    Attribute mutableNode = node.attribute( "mutable" );
    entity.setMutable( ( mutableNode == null ) || mutableNode.getValue().equals( "true" ) );


    // WHERE
    Attribute whereNode = node.attribute( "where" );
    if ( whereNode != null ) entity.setWhere( whereNode.getValue() );


    // CHECK
    Attribute chNode = node.attribute( "check" );
    if ( chNode != null ) table.addCheckConstraint( chNode.getValue() );


    // POLYMORPHISM
    Attribute polyNode = node.attribute( "polymorphism" );
    entity.setExplicitPolymorphism( ( polyNode != null )
      && polyNode.getValue().equals( "explicit" ) );


    // ROW ID
    Attribute rowidNode = node.attribute( "rowid" );
    if ( rowidNode != null ) table.setRowId( rowidNode.getValue() );


    Iterator subnodes = node.elementIterator();
    while ( subnodes.hasNext() ) {


      Element subnode = (Element) subnodes.next();

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