X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fentity%2Fadapter%2FEntityAdapter.java;h=2fff4d20d3e3754bd0edb514473ba788636d5a95;hb=97488204d3bc9d251b525a70b2cf0c70956a3484;hp=cafd1eb5cd63b3a9d0130c5328697e409381b1e0;hpb=a459f111d85598df56c6ab711cec11632676b39c;p=mir.git

diff --git a/source/mir/entity/adapter/EntityAdapter.java b/source/mir/entity/adapter/EntityAdapter.java
index cafd1eb5..2fff4d20 100755
--- a/source/mir/entity/adapter/EntityAdapter.java
+++ b/source/mir/entity/adapter/EntityAdapter.java
@@ -18,13 +18,13 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  * In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with  any library licensed under the Apache Software License, 
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library 
- * (or with modified versions of the above that use the same license as the above), 
- * and distribute linked combinations including the two.  You must obey the 
- * GNU General Public License in all respects for all of the code used other than 
- * the above mentioned libraries.  If you modify this file, you may extend this 
- * exception to your version of the file, but you are not obligated to do so.  
+ * the code of this program with  any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two.  You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries.  If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
  * If you do not wish to do so, delete this exception statement from your version.
  */
 package mir.entity.adapter;
@@ -32,12 +32,23 @@ package mir.entity.adapter;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 import mir.entity.Entity;
 import mir.util.CachingRewindableIterator;
 
+/** An EntityAdapter is a wrapper around an Entity meant to add
+ * missing functionality. It provides "calculated fields" 
+ * which mir installations can extend reasonably easilly.
+ * "calculated fields" compute values that are not directly present
+ * in the db table. For example:  
+ * a field to have the number of comments associated with an article;
+ * a field to get the list of hidden comments associated with an article;
+ * etc.
+ * <p>This whole framework is meant to be replaced by hibernate</p>
+ */
 public class EntityAdapter implements Map {
   private Entity entity;
   private EntityAdapterDefinition definition;
@@ -54,9 +65,8 @@ public class EntityAdapter implements Map {
   public boolean containsKey(Object aKey) {
     try {
       if (aKey instanceof String)
-        return     entity.hasValueForField((String) aKey)
-                || definition.hasCalculatedField((String) aKey)
-                || entity.getFields().contains(aKey);
+        return     entity.hasField((String) aKey)
+                || definition.hasCalculatedField((String) aKey);
     }
     catch (Throwable t) {
     }
@@ -94,7 +104,7 @@ public class EntityAdapter implements Map {
       return result;
     }
     else if (aKey instanceof String) {
-      return entity.getValue((String) aKey);
+      return entity.getFieldValue((String) aKey);
     }
     else {
       return null;
@@ -141,29 +151,57 @@ public class EntityAdapter implements Map {
     throw new UnsupportedOperationException("EntityAdapter.entrySet()");
   }
 
-  public Object getRelation(String aWhereClause, String anOrderByClause, String aDefinition) {
+  public Object getComplexRelation(String aMainTablePrefix, List someExtraTables,
+    String aWhereClause, String anOrderByClause, String aDefinition) {
     try {
       return
           new CachingRewindableIterator(
-            new EntityIteratorAdapter(
-                aWhereClause, anOrderByClause, -1, getModel(), aDefinition));
+            new EntityIteratorAdapter(aMainTablePrefix, someExtraTables,
+                aWhereClause, anOrderByClause,
+                -1, getModel(), aDefinition, -1, 0)
+            );
+    }
+    catch (Throwable t) {
+      throw new RuntimeException(t.getMessage());
+    }
+  }
+
+
+  public Object getRelation(String aWhereClause, String anOrderByClause, String aDefinition) {
+    try {
+      return EntityAdapterEngine.retrieveAdapterList(model, aDefinition, aWhereClause, anOrderByClause, -1, 0);
     }
     catch (Throwable t) {
       throw new RuntimeException(t.getMessage());
     }
   }
 
-  public Object getToOneRelation(String aWhereClause, String anOrderByClause, String aDefinition) {
+  public EntityAdapter getToOneRelation(String aWhereClause, String anOrderByClause, String aDefinition) {
     try {
-      Iterator i = new EntityIteratorAdapter(aWhereClause, anOrderByClause, -1, getModel(), aDefinition);
+      Iterator i = new EntityIteratorAdapter(aWhereClause, anOrderByClause, 1, getModel(), aDefinition, 1, 0);
 
       if (i.hasNext())
-        return i.next();
-      else
-        return null;
+        return (EntityAdapter) i.next();
+			return null;
     }
     catch (Throwable t) {
       throw new RuntimeException(t.getMessage());
     }
   }
+
+  public EntityAdapter getComplexToOneRelation(String aMainTablePrefix, List someExtraTables,
+                                               String aWhereClause, String anOrderByClause, String aDefinition) {
+    try {
+      Iterator i = new EntityIteratorAdapter(aMainTablePrefix, someExtraTables, aWhereClause, anOrderByClause, -1,
+          getModel(), aDefinition, 1, 0);
+
+      if (i.hasNext())
+        return (EntityAdapter) i.next();
+			return null;
+    }
+    catch (Throwable t) {
+      throw new RuntimeException(t.getMessage());
+    }
+  }
+
 }
\ No newline at end of file