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diff --git a/runtime/org.argeo.slc.support.hibernate/src/main/java/org/argeo/slc/hibernate/process/SlcExecutionDaoHibernate.java b/runtime/org.argeo.slc.support.hibernate/src/main/java/org/argeo/slc/hibernate/process/SlcExecutionDaoHibernate.java
deleted file mode 100644
index f581f9261..000000000
--- a/runtime/org.argeo.slc.support.hibernate/src/main/java/org/argeo/slc/hibernate/process/SlcExecutionDaoHibernate.java
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright (C) 2007-2012 Mathieu Baudier
- *
- * 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.
- */
-package org.argeo.slc.hibernate.process;
-
-import java.sql.SQLException;
-import java.util.List;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.slc.SlcException;
-import org.argeo.slc.dao.process.SlcExecutionDao;
-import org.argeo.slc.process.SlcExecution;
-import org.argeo.slc.process.SlcExecutionStep;
-import org.hibernate.HibernateException;
-import org.hibernate.Session;
-import org.springframework.orm.hibernate3.HibernateCallback;
-import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
-
-public class SlcExecutionDaoHibernate extends HibernateDaoSupport implements
-		SlcExecutionDao {
-	private final static Log log = LogFactory
-			.getLog(SlcExecutionDaoHibernate.class);
-
-	public void create(SlcExecution slcExecution) {
-		getHibernateTemplate().save(slcExecution);
-	}
-
-	public void update(final SlcExecution slcExecution) {
-		getHibernateTemplate().update(slcExecution);
-	}
-
-	public void merge(final SlcExecution slcExecution) {
-		getHibernateTemplate().merge(slcExecution);
-	}
-
-	public SlcExecution getSlcExecution(String uuid) {
-		return (SlcExecution) getHibernateTemplate().get(SlcExecution.class,
-				uuid);
-	}
-
-	@SuppressWarnings("unchecked")
-	public List<SlcExecution> listSlcExecutions() {
-		return (List<SlcExecution>) getHibernateTemplate().loadAll(
-				SlcExecution.class);
-	}
-
-	public void addSteps(final String slcExecutionId,
-			final List<SlcExecutionStep> additionalSteps) {
-		getHibernateTemplate().execute(new HibernateCallback() {
-
-			public Object doInHibernate(Session session)
-					throws HibernateException, SQLException {
-				SlcExecution slcExecution = getSlcExecution(session,
-						slcExecutionId);
-				slcExecution.getSteps().addAll(additionalSteps);
-				session.update(slcExecution);
-				return slcExecution;
-			}
-		});
-
-	}
-
-	@SuppressWarnings("unchecked")
-	public List<SlcExecutionStep> tailSteps(final String slcExecutionId,
-			final Integer nbrOfSteps) {
-		return (List<SlcExecutionStep>) getHibernateTemplate().execute(
-				new HibernateCallback() {
-
-					public Object doInHibernate(Session session)
-							throws HibernateException, SQLException {
-						SlcExecution slcExecution = getSlcExecution(session,
-								slcExecutionId);
-						// TODO: do a query count() instead?
-						int stepCount = slcExecution.getSteps().size();
-						if (stepCount > nbrOfSteps) {
-							return session.createFilter(
-									slcExecution.getSteps(), "")
-									.setFirstResult(stepCount - nbrOfSteps)
-									.setMaxResults(nbrOfSteps).list();
-						} else {
-							return slcExecution.getSteps();
-						}
-					}
-				});
-	}
-
-	@SuppressWarnings("unchecked")
-	public List<SlcExecutionStep> tailSteps(final String slcExecutionId,
-			final String slcExecutionStepId) {
-		Object[] values = { slcExecutionStepId, slcExecutionId };
-		List<Integer> indexes = getHibernateTemplate().findByNamedQuery(
-				SlcExecutionStep.class.getName() + ".stepIndex", values);
-
-		Integer index = indexes.get(0);
-		if (log.isTraceEnabled()){
-			log.trace(indexes.size());
-			log.trace("Index " + index + " for step " + slcExecutionStepId
-					+ " in process " + slcExecutionId);
-		}
-		Object[] values2 = { slcExecutionId, index };
-		return getHibernateTemplate().findByNamedQuery(
-				SlcExecutionStep.class.getName() + ".stepsAfter", values2);
-	}
-
-	protected SlcExecution getSlcExecution(Session session,
-			String slcExecutionId) {
-		SlcExecution slcExecution = (SlcExecution) session.get(
-				SlcExecution.class, slcExecutionId);
-
-		if (slcExecution == null)
-			throw new SlcException("Could not find SLC execution "
-					+ slcExecutionId);
-
-		return slcExecution;
-	}
-
-}