[Topia-commits] r1361 - topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator

12 Feb 2009

Author: tchemit
Date: 2009-02-12 00:03:21 +0000 (Thu, 12 Feb 2009)
New Revision: 1361

Modified:
   topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOAbstractGenerator.java
   topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOHelperGenerator.java
Log:
the DAOHelper now integrates the EntityEnum

Modified: topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOAbstractGenerator.java
===================================================================

--- topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOAbstractGenerator.java	2009-02-12 00:02:35 UTC (rev 1360)
+++ topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOAbstractGenerator.java	2009-02-12 00:03:21 UTC (rev 1361)
@@ -139,7 +139,7 @@
     public void delete(E entity) throws TopiaException {
 }*/
         String modelName = GeneratorUtil.capitalize(model.getName());
-        String providerFQN = getProperty("defaultPackage") + "." + modelName + "EntityEnum.getImplementationClass";
+        String providerFQN = getProperty("defaultPackage") + "." + modelName + "DAOHelper.getImplementationClass";
         for (ObjectModelAttribute attr : clazz.getAttributes()) {
         	String attrType = attr.getType();
         	String reverseAttrName = attr.getReverseAttributeName();

Modified: topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOHelperGenerator.java
===================================================================
--- topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOHelperGenerator.java	2009-02-12 00:02:35 UTC (rev 1360)
+++ topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator/DAOHelperGenerator.java	2009-02-12 00:03:21 UTC (rev 1361)
@@ -46,10 +46,12 @@
 /**
  * Ce generateur permet d'avoir une classe permettant de recuperer les DAO
  * sans cast.
+ *
+ * La classe générée contient aussi une énumération nommée <code>EntityEnum</code> qui permet
+ * d'avoir facilement les types d'entités gérées par ce dao.
+ *  
  * @author poussin
- * @see Deprecated you should prefer use the {@link EntityEnumGenerator}
  */
-@Deprecated
 public class DAOHelperGenerator extends ObjectModelGenerator {
 
     private Log log = LogFactory.getLog(DAOHelperGenerator.class);
@@ -81,28 +83,179 @@
 }*/
         }
         String modelName = GeneratorUtil.capitalize(model.getName());
+        String daoClazzName = modelName+"DAOHelper";
+        String entityEnumName = modelName+"EntityEnum";
+        
 /*{package <%=getProperty("defaultPackage")%>;
 
 import org.codelutin.topia.TopiaContext;
+import org.codelutin.topia.TopiaException;
 import org.codelutin.topia.framework.TopiaContextImplementor;
-import org.codelutin.topia.TopiaException;
+import org.codelutin.topia.persistence.TopiaDAO;
+import org.codelutin.topia.persistence.TopiaEntity;
 
-public class <%=modelName%>DAOHelper {
+public class <%=daoClazzName%> {
 
 }*/
+        List<ObjectModelClass> classes = TopiaGeneratorUtil.getEntityClasses(model,true);
+/*{    /**
+    *)
+    protected <%=daoClazzName%>() {
+    }
+}*/
+
+        for (ObjectModelClass clazz : classes) {
+        	String clazzFQN = clazz.getQualifiedName();
+        	String clazzName = clazz.getName();
+/*{
+    public static <%=clazzFQN%>DAO get<%=clazzName%>DAO(TopiaContext context) throws TopiaException {
+        TopiaContextImplementor ci = (TopiaContextImplementor)context;
+        <%=clazzFQN%>DAO result = (<%=clazzFQN%>DAO)ci.getDAO(<%=clazzFQN%>.class);
+        return result;
+    }
+}*/
+        }
+/*{
+    @SuppressWarnings({"unchecked"})
+    public static <T extends TopiaEntity, D extends TopiaDAO<? super T>> D getDAO(TopiaContext context, Class<T> klass) throws TopiaException {
+        TopiaContextImplementor ci = (TopiaContextImplementor)context;
+        <%=entityEnumName%> constant = <%=entityEnumName%>.valueOf(klass);
+        D dao = (D) ci.getDAO(constant.getContractClass());
+        return dao;
+    }
+
+    @SuppressWarnings({"unchecked"})
+    public static <T extends TopiaEntity, D extends TopiaDAO<? super T>> D getDAO(TopiaContext context, T entity) throws TopiaException {
+        TopiaContextImplementor ci = (TopiaContextImplementor)context;
+        <%=entityEnumName%> constant = <%=entityEnumName%>.valueOf(entity);
+        D dao = (D) ci.getDAO(constant.getContractClass());
+        return dao;
+    }
+
+    @SuppressWarnings({"unchecked"})
+    public static <T extends TopiaEntity> Class<T> getContractClass(Class<T> klass) throws TopiaException {
+        <%=entityEnumName%> constant = <%=entityEnumName%>.valueOf(klass);
+        return (Class<T>) constant.getContractClass();
+    }
+
+    @SuppressWarnings({"unchecked"})
+    public static <T extends TopiaEntity> Class<T> getImplementationClass(Class<T> klass) throws TopiaException {
+        <%=entityEnumName%> constant = <%=entityEnumName%>.valueOf(klass);
+        return (Class<T>) constant.getImplementationClass();
+    }
+
+    @SuppressWarnings({"unchecked"})
+    public static Class<? extends TopiaEntity>[] getContractClasses() {
+        <%=entityEnumName%>[] values = <%=entityEnumName%>.values();
+        Class<? extends TopiaEntity>[] result = (Class<? extends TopiaEntity>[]) java.lang.reflect.Array.newInstance(Class.class, values.length);
+        for (int i = 0; i < values.length; i++) {
+            result[i] = values[i].getContractClass();
+        }
+        return result;
+    }
+
+    @SuppressWarnings({"unchecked"})
+    public static Class<? extends TopiaEntity>[] getImplementationClasses() {
+        <%=entityEnumName%>[] values = <%=entityEnumName%>.values();
+        Class<? extends TopiaEntity>[] result = (Class<? extends TopiaEntity>[]) java.lang.reflect.Array.newInstance(Class.class, values.length);
+        for (int i = 0; i < values.length; i++) {
+            result[i] = values[i].getImplementationClass();
+        }
+        return result;
+    }
+
+    public static String getImplementationClassesAsString() {
+        StringBuilder buffer = new StringBuilder();
+        for (Class<? extends TopiaEntity> aClass : getImplementationClasses()) {
+            buffer.append(',').append(aClass.getName());
+        }
+        return buffer.substring(1);
+    }
+
+    /*
+     * Enumeration of all types of entitties dealed by this helper.
+     *)
+    public enum <%=entityEnumName%> {
+}*/
+        for (Iterator<ObjectModelClass> i=classes.iterator(); i.hasNext();) {
+            ObjectModelClass clazz = i.next();
+            String clazzFQN = clazz.getQualifiedName();
+            String clazzName = clazz.getName();
+/*{
+        <%=clazzName%>(<%=clazzFQN%>.class)<%=(i.hasNext() ? "," : ";")%>}*/
+        }
+/*{
+
+        /** the contract of the entity *)
+        private Class<? extends TopiaEntity> contractClass;
+
+        /** the fully qualified name of the implementation of the entity *)
+        private String implementationFQN;
+
+        /** the implementation class of the entity (will be lazy computed at runtime)*)
+        private Class<? extends TopiaEntity> implementationClass;
+
+        <%=entityEnumName%>(Class<? extends TopiaEntity > contractClass) {
+            this.contractClass = contractClass;
+            this.implementationFQN = contractClass.getName()+"Impl";
+        }
+
+        public Class<? extends TopiaEntity> getContractClass() {
+            return contractClass;
+        }
+
+        public String getImplementationFQN() {
+            return implementationFQN;
+        }
+
+        @SuppressWarnings({"unchecked"})
+        public Class<? extends TopiaEntity> getImplementationClass() {
+            if (implementationClass == null) {
+                try {
+                    implementationClass = (Class<? extends TopiaEntity>) Class.forName(implementationFQN);
+                } catch (ClassNotFoundException e) {
+                    throw new RuntimeException("could not find class "+implementationFQN);
+                }
+            }
+            return implementationClass;
+        }
+
+        public static <%=entityEnumName%> valueOf(TopiaEntity entity) {
+            return valueOf(entity.getClass());
+        }
+
+        public static <%=entityEnumName%> valueOf(Class<?> klass) {
+            if (klass.isInterface()) {
+                return <%=entityEnumName%>.valueOf(klass.getSimpleName());
+            }
+            for (<%=entityEnumName%> entityEnum : <%=entityEnumName%>.values()) {
+                if (entityEnum.getContractClass().isAssignableFrom(klass)) {
+                    //todo check it works for inheritance
+                    return entityEnum;
+                }
+            }
+            throw new IllegalArgumentException("no entity defined for the class " + klass + " in : " + java.util.Arrays.toString(<%=entityEnumName%>.values()));
+        }        
+    }
+}*/
         String entitiesList = "";
-        List<ObjectModelClass> classes = TopiaGeneratorUtil.getEntityClasses(model,true);
         if (classes.isEmpty()) {
 /*{
+    /**
+      * @eprecated (prefer use {@link #getImplementationClassesAsString()}
+      *) 
     public static final String entitiesList = "";
 }*/
         } else {
 /*{
+    /**
+      * @eprecated (prefer use {@link #getImplementationClassesAsString()}
+      *)
     public static final String entitiesList = "" +
 }*/
 
             for (Iterator<ObjectModelClass> i=classes.iterator(); i.hasNext();) {
-                ObjectModelClass clazz = (ObjectModelClass)i.next();
+                ObjectModelClass clazz = i.next();
                 String doType = TopiaGeneratorUtil.getDOType(clazz, model);
                 entitiesList += doType + (i.hasNext()?",":"");
 /*{        "<%=doType%><%=(i.hasNext()?",\" +":"\";")%>
@@ -112,25 +265,9 @@
         if (log.isDebugEnabled()) {
             log.debug("Full entities list : " + entitiesList);
         }
-/*{    /**
-    *)
-    protected <%=modelName%>DAOHelper() {
-    }
-}*/
-        for (ObjectModelClass clazz : classes) {
-        	String clazzFQN = clazz.getQualifiedName();
-        	String clazzName = clazz.getName();
 /*{
-    static public <%=clazzFQN%>DAO get<%=clazzName%>DAO(TopiaContext context) throws TopiaException {
-        TopiaContextImplementor ci = (TopiaContextImplementor)context;
-        <%=clazzFQN%>DAO result = (<%=clazzFQN%>DAO)ci.getDAO(<%=clazzFQN%>.class);
-        return result;
-    }
+} //<%=daoClazzName%>
 }*/
-        }
-/*{
-} //<%=modelName%>DAOHelper
-}*/
     }
 
 } //DAOHelperGenerator

    

[Topia-commits] r1361 - topia/trunk/topia-persistence/src/main/java/org/codelutin/topia/generator

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