From 635446a8f223568d13a590c294fe08749b7c2e13 Mon Sep 17 00:00:00 2001
From: Mathieu Baudier <mbaudier@argeo.org>
Date: Thu, 15 Oct 2009 12:08:34 +0000
Subject: [PATCH] Improve hibernate

git-svn-id: https://svn.argeo.org/commons/trunk@3037 4cfe0d0a-d680-48aa-b62c-e0a02a3f76cc
---
 .../server/hibernate/LightDaoInterceptor.java | 43 +++++++++++++++++++
 .../argeo/server/json/FilterSerializer.java   | 20 +++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 server/runtime/org.argeo.server.json/src/main/java/org/argeo/server/json/FilterSerializer.java

diff --git a/server/runtime/org.argeo.server.hibernate/src/main/java/org/argeo/server/hibernate/LightDaoInterceptor.java b/server/runtime/org.argeo.server.hibernate/src/main/java/org/argeo/server/hibernate/LightDaoInterceptor.java
index d664b6588..4d6f7d951 100644
--- a/server/runtime/org.argeo.server.hibernate/src/main/java/org/argeo/server/hibernate/LightDaoInterceptor.java
+++ b/server/runtime/org.argeo.server.hibernate/src/main/java/org/argeo/server/hibernate/LightDaoInterceptor.java
@@ -1,5 +1,6 @@
 package org.argeo.server.hibernate;
 
+import java.beans.PropertyDescriptor;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -83,6 +84,48 @@ public class LightDaoInterceptor extends EmptyInterceptor {
 		return super.onSave(entity, id, state, propertyNames, types);
 	}
 
+	@Override
+	public boolean onLoad(Object entity, Serializable id, Object[] state,
+			String[] propertyNames, Type[] types) {
+		Class<?> clss = entity.getClass();
+		Object source = null;
+		if (lightDaoSupport.getSupportedClasses().contains(clss)) {
+			if (businessIdFields.containsKey(clss)) {
+				String field = businessIdFields.get(clss);
+				Object value = bidMappings.get(clss).get(id);
+				source = lightDaoSupport.getByField(clss, field, value);
+				if (log.isTraceEnabled())
+					log.debug("Loading entity " + clss + " (" + field + "="
+							+ value + ")");
+			} else {
+				source = lightDaoSupport.getByKey(clss, id);
+				if (log.isTraceEnabled())
+					log.debug("Loading entity " + clss + " (id=" + id + ")");
+			}
+		}
+
+		if (source != null) {
+			BeanWrapper bwTarget = new BeanWrapperImpl(entity);
+			BeanWrapper bwSource = new BeanWrapperImpl(source);
+			for (PropertyDescriptor pd : bwTarget.getPropertyDescriptors()) {
+				String propName = pd.getName();
+				if (bwSource.isReadableProperty(propName)
+						&& bwTarget.isWritableProperty(propName)) {
+					bwTarget.setPropertyValue(propName, bwSource
+							.getPropertyValue(propName));
+					if (log.isTraceEnabled())
+						log.debug("Loaded property " + propName + " for class "
+								+ clss + " (id=" + id + ")");
+				}
+			}
+
+			return true;
+		} else {
+			// res = super.getEntity(entityName, id);
+			return super.onLoad(entity, id, state, propertyNames, types);
+		}
+	}
+
 	protected Boolean supports(Object object) {
 		if (classes.contains(object.getClass()))
 			return lightDaoSupport.getSupportedClasses().contains(
diff --git a/server/runtime/org.argeo.server.json/src/main/java/org/argeo/server/json/FilterSerializer.java b/server/runtime/org.argeo.server.json/src/main/java/org/argeo/server/json/FilterSerializer.java
new file mode 100644
index 000000000..909158b3a
--- /dev/null
+++ b/server/runtime/org.argeo.server.json/src/main/java/org/argeo/server/json/FilterSerializer.java
@@ -0,0 +1,20 @@
+package org.argeo.server.json;
+
+import java.io.IOException;
+
+import org.codehaus.jackson.JsonGenerator;
+import org.codehaus.jackson.JsonProcessingException;
+import org.codehaus.jackson.map.JsonSerializer;
+import org.codehaus.jackson.map.SerializerProvider;
+
+public class FilterSerializer extends JsonSerializer {
+
+	@Override
+	public void serialize(Object value, JsonGenerator jgen,
+			SerializerProvider provider) throws IOException,
+			JsonProcessingException {
+		// TODO Auto-generated method stub
+
+	}
+
+}
-- 
2.30.2