/*
* This code is distributed under The GNU Lesser General Public License (LGPLv3)
* Please visit GNU site for LGPLv3 http://www.gnu.org/copyleft/lesser.html
*
* Copyright Denis Pavlov 2009
* Web: http://www.genericdtoassembler.org
* SVN: https://svn.code.sf.net/p/geda-genericdto/code/trunk/
* SVN (mirror): http://geda-genericdto.googlecode.com/svn/trunk/
*/
package com.inspiresoftware.lib.dto.geda.examples.usecases.generics.extend;
import com.inspiresoftware.lib.dto.geda.adapter.BeanFactory;
import com.inspiresoftware.lib.dto.geda.assembler.Assembler;
import com.inspiresoftware.lib.dto.geda.assembler.DTOAssembler;
import java.util.*;
import static org.junit.Assert.*;
/**
* User: denispavlov
* Date: 13-04-23
* Time: 3:01 PM
*/
public class RunWithGenericsExtend {
/**
* Example showing complex extends generic i.e. <? extends MyClass>.
*
* EntityCode is extended by EntityCatalogCode
* EntityCatalog includes a primary code and a set of codes
* There is also a twist where catalog code has reference to catalog to show
* some issues with recursive object graphs.
*/
public void genericsExtendMapping() {
final DtoCatalogClass<DtoCodeClass> dto = new DtoCatalogClass<DtoCodeClass>();
final EntityCatalog<EntityCatalogCode> entity = new EntityCatalogClass<EntityCatalogCode>();
final EntityCatalogCode entityCodePrime = new EntityCatalogCodeClass();
final EntityCatalogCode entityCodeAdditional = new EntityCatalogCodeClass();
entity.setId("ID-ABC");
entityCodePrime.setCatalog(entity);
entityCodePrime.setSectionName("AdvancedGenerics");
entityCodePrime.setCode("CODE-AG1");
entityCodePrime.setId("ID-123");
entityCodeAdditional.setCatalog(entity);
entityCodeAdditional.setSectionName("DtoTrandformations");
entityCodeAdditional.setCode("CODE-DT1");
entityCodeAdditional.setId("ID-235");
entity.setType(entityCodePrime);
entity.setCodes(new ArrayList<EntityCatalogCode>(Arrays.asList(entityCodePrime, entityCodeAdditional)));
final Assembler assembler = DTOAssembler.newAssembler(dto.getClass(), entity.getClass());
final Map<String, Object> adapters = new HashMap<String, Object>();
adapters.put("CatalogCodeMatcher", new CatalogCodeMatcher());
assembler.assembleDto(dto, entity, adapters, new BeanFactory() {
public Class getClazz(final String entityBeanKey) {
if ("DtoCatalogCode".equals(entityBeanKey)) {
return DtoCatalogCodeClass.class;
} else if ("DtoCode".equals(entityBeanKey)) {
return DtoCodeClass.class;
} else if ("DtoCatalog".equals(entityBeanKey)) {
return DtoCatalogClass.class;
}
fail("Unknown DTO key: " + entityBeanKey);
return null;
}
public Object get(final String entityBeanKey) {
if ("DtoCatalogCode".equals(entityBeanKey)) {
return new DtoCatalogCodeClass();
} else if ("DtoCode".equals(entityBeanKey)) {
return new DtoCodeClass();
} else if ("DtoCatalog".equals(entityBeanKey)) {
return new DtoCatalogClass();
}
fail("Unknown DTO key: " + entityBeanKey);
return null;
}
});
assertEquals("ID-ABC", dto.getId());
final DtoCodeClass dtoType = dto.getType();
assertNotNull(dtoType);
assertEquals("ID-123", dtoType.getId());
assertEquals("CODE-AG1", dtoType.getCode());
final Collection<DtoCodeClass> dtoCodes = dto.getCodes();
assertNotNull(dtoCodes);
assertFalse(dtoCodes.isEmpty());
// The collection is actually an ArrayList, so we will cheat a little
final List<DtoCodeClass> dtoCodesAsList = (List) dtoCodes;
assertEquals(2, dtoCodesAsList.size());
final DtoCodeClass dtoCode1 = dtoCodesAsList.get(0);
assertNotNull(dtoCode1);
assertEquals("ID-123", dtoCode1.getId());
assertEquals("CODE-AG1", dtoCode1.getCode());
final DtoCodeClass dtoCode2 = dtoCodesAsList.get(1);
assertNotNull(dtoCode2);
assertEquals("ID-235", dtoCode2.getId());
assertEquals("CODE-DT1", dtoCode2.getCode());
final EntityCatalog<EntityCatalogCode> entityCopy = new EntityCatalogClass<EntityCatalogCode>();
assembler.assembleEntity(dto, entityCopy, adapters, new BeanFactory() {
public Class getClazz(final String entityBeanKey) {
if ("CatalogCode".equals(entityBeanKey)) {
return EntityCatalogCodeClass.class;
} else if ("Catalog".equals(entityBeanKey)) {
return EntityCatalogClass.class;
}
fail("Unknown Entity key: " + entityBeanKey);
return null;
}
public Object get(final String entityBeanKey) {
if ("CatalogCode".equals(entityBeanKey)) {
return new EntityCatalogCodeClass();
} else if ("Catalog".equals(entityBeanKey)) {
return new EntityCatalogClass();
}
fail("Unknown Entity key: " + entityBeanKey);
return null;
}
});
assertEquals("ID-ABC", entityCopy.getId());
final EntityCatalogCode entityCopyType = entityCopy.getType();
assertNotNull(entityCopyType);
assertEquals("ID-123", entityCopyType.getId());
assertEquals("CODE-AG1", entityCopyType.getCode());
assertNull(entityCopyType.getSectionName()); // This property is not part of mapping to prevent recursion
assertNull(entityCopyType.getCatalog()); // This property is not part of mapping to prevent recursion
final Collection<EntityCatalogCode> entityCopyCodes = entityCopy.getCodes();
assertNotNull(entityCopyCodes);
assertFalse(entityCopyCodes.isEmpty());
// The collection is actually an ArrayList, so we will cheat a little
final List<EntityCatalogCode> entityCopyCodesAsList = (List) entityCopyCodes;
assertEquals(2, entityCopyCodesAsList.size());
final EntityCatalogCode entityCopyCode1 = entityCopyCodesAsList.get(0);
assertEquals("ID-123", entityCopyCode1.getId());
assertEquals("CODE-AG1", entityCopyCode1.getCode());
assertNull(entityCopyCode1.getSectionName()); // This property is not part of mapping to prevent recursion
assertNull(entityCopyCode1.getCatalog()); // This property is not part of mapping to prevent recursion
final EntityCatalogCode entityCopyCode2 = entityCopyCodesAsList.get(1);
assertEquals("ID-235", entityCopyCode2.getId());
assertEquals("CODE-DT1", entityCopyCode2.getCode());
assertNull(entityCopyCode2.getSectionName()); // This property is not part of mapping to prevent recursion
assertNull(entityCopyCode2.getCatalog()); // This property is not part of mapping to prevent recursion
}
public static void main(String[] args) {
new RunWithGenericsExtend().genericsExtendMapping();
}
}