package org.apache.ojb.broker.metadata.torque;

 /* Copyright 2002-2005 The Apache Software Foundation

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import org.apache.ojb.broker.metadata.ClassDescriptor;

 import org.apache.ojb.broker.metadata.DescriptorRepository;

 import org.apache.ojb.broker.metadata.FieldDescriptor;

 import java.util.HashMap;

 import java.util.Iterator;

 public class TorqueTablePreprocessor {

     private DescriptorRepository repository;

     private HashMap standardTables = new HashMap();

     public TorqueTablePreprocessor(DescriptorRepository repository) {

         this.repository = repository;

     }

     public void buildStandardTables() {

         Iterator classDescriptorIterators = this.repository.iterator();

         while (classDescriptorIterators.hasNext()) {

             ClassDescriptor cd = (ClassDescriptor) classDescriptorIterators.next();

             if(cd.isAbstract() || cd.isInterface())

             {

                 System.out.println("Skip table build for abstract base class / interface called "+cd.getClassNameOfObject());

             }

             else

             {

                 buildStandardTable(cd);

             }

         }

     }

     public HashMap getStandardTables() {

         return this.standardTables;

     }

     private void buildStandardTable(ClassDescriptor cd) {

         String tableName = cd.getFullTableName();

         TableDescriptor tableDescriptor = (TableDescriptor) this.standardTables.get(tableName);

         if (tableDescriptor == null) {

             tableDescriptor = new TableDescriptor();

             tableDescriptor.setName(tableName);

             this.standardTables.put(tableName, tableDescriptor);

         }

         buildStandardTableFieldDescriptors(cd.getFieldDescriptions(), tableDescriptor);

         tableDescriptor.getIndices().addAll(cd.getIndexes());

         tableDescriptor.getReferences().addAll(cd.getObjectReferenceDescriptors());

     }

     private void buildStandardTableFieldDescriptors(FieldDescriptor fieldDescriptors[], TableDescriptor tableDescriptor) {

         if (fieldDescriptors != null) {

             for (int i = 0; i < fieldDescriptors.length; i++) {

                 tableDescriptor.addColumn(fieldDescriptors[i]);

             }

         }

     }

 }