/*******************************************************************************
* Copyright (c) 2011 Michael Ruflin, Andr� Locher, Claudia von Bastian.
*
* This file is part of Tatool.
*
* Tatool is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tatool is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Tatool. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package ch.tatool.app.service.impl;
import java.util.Date;
import java.util.List;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionCallbackWithoutResult;
import ch.tatool.app.data.ModuleImpl;
import ch.tatool.app.data.ModuleSessionImpl;
import ch.tatool.data.Messages;
import ch.tatool.data.Module;
import ch.tatool.data.DataService;
import ch.tatool.data.ModuleSession;
import ch.tatool.data.Trial;
import ch.tatool.element.Node;
/**
* DataService implementation.
*
* @author Michael Ruflin
*/
public class DataServiceImpl implements DataService {
private Messages messages;
/**
* Save the module instance. This will save all changed module properties
*/
public void saveModule(Module module) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
// load the module data
moduleImpl.getTransactionTemplate().execute(
new TransactionCallbackWithoutResult() {
public void doInTransactionWithoutResult(TransactionStatus status) {
ModuleDAO moduleDAO = moduleImpl.getModuleDAO();
moduleDAO.saveModule(moduleImpl);
}
});
}
// Session data
/**
* Creates a new module session. The module start date is set immediately
*/
@SuppressWarnings("unchecked")
public ModuleSession createSession(Module module) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
ModuleSession moduleSession = (ModuleSession) moduleImpl
.getTransactionTemplate().execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
ModuleSession moduleSession = new ModuleSessionImpl();
moduleSession.setStartTime(new Date());
moduleSession.setCompleted(0);
moduleImpl.getSessionDAO().saveSession(moduleImpl, moduleSession);
return moduleSession;
}
});
return moduleSession;
}
/**
* Save a session without finishing it.
*/
public void saveSession(final ModuleSession moduleSession) {
final ModuleImpl moduleImpl = (ModuleImpl) moduleSession.getModule();
moduleImpl.getTransactionTemplate().execute(
new TransactionCallbackWithoutResult() {
public void doInTransactionWithoutResult(TransactionStatus status) {
moduleImpl.getSessionDAO().saveSession(moduleImpl, moduleSession);
}
});
}
/** Finishes a module session. */
public void finishSession(final ModuleSession moduleSession) {
final ModuleImpl moduleImpl = (ModuleImpl) moduleSession.getModule();
moduleImpl.getTransactionTemplate().execute(
new TransactionCallbackWithoutResult() {
public void doInTransactionWithoutResult(TransactionStatus status) {
moduleSession.setEndTime(new Date());
moduleImpl.getSessionDAO().saveSession(moduleImpl, moduleSession);
}
});
}
/**
* Load all session in a given module.
*/
@SuppressWarnings("unchecked")
public List<ModuleSession> getSessions(Module module) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (List<ModuleSession>) moduleImpl.getTransactionTemplate()
.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getSessionDAO().getSessions(moduleImpl);
}
});
}
// Trial data
/** Inserts a trial object into the session. */
public void insertTrial(final ModuleSession session, final Trial trial) {
final ModuleImpl moduleImpl = (ModuleImpl) session.getModule();
moduleImpl.getTransactionTemplate().execute(
new TransactionCallbackWithoutResult() {
public void doInTransactionWithoutResult(TransactionStatus status) {
moduleImpl.getTrialDAO().saveTrial(moduleImpl, session, trial);
}
});
}
@SuppressWarnings("unchecked")
public List<Trial> getTrials(final ModuleSession session) {
final ModuleImpl moduleImpl = (ModuleImpl) session.getModule();
return (List<Trial>) moduleImpl.getTransactionTemplate()
.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getTrialDAO().getTrials(session);
}
});
}
/** Load all trials of a given module and session. */
public List<Trial> loadAllTrials(Module module) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (List<Trial>) moduleImpl.getTransactionTemplate()
.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getTrialDAO().loadAllTrials(moduleImpl);
}
});
}
/**
* Returns a list of trial instances for a given element or session.
*
* @return list of trials
*/
public List<Trial> getTrials(Module module, final ModuleSession session, final Node node, final int maxResults) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (List<Trial>) moduleImpl.getTransactionTemplate()
.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getTrialDAO().getTrials(session, node, maxResults);
}
});
}
/**
* Get the last session of a module.
*
* @param module
* @return the last created session
*/
public ModuleSession getLastSession(Module module) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (ModuleSession) moduleImpl.getTransactionTemplate()
.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getSessionDAO().findLastSession(moduleImpl);
}
});
}
/**
* Get the number of sessions in a module
*
* @param module
* the module to check
* @param includeUnfinished
* whether to include unfinished module (modules without end
* time)
* @return
*/
@SuppressWarnings("unchecked")
public long getSessionCount(Module module, final boolean includeUnfinished) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (Long) moduleImpl.getTransactionTemplate().execute(
new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getSessionDAO().getSessionCount(moduleImpl, includeUnfinished);
}
});
}
/**
* Find the last x trials with given property of a given element
*
*/
@SuppressWarnings("unchecked")
public List<Trial> getTrials(final Module module, final ModuleSession session, final String elementNameLike, final String propertyNameLike, final int offset, final int maxResults) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (List<Trial>) moduleImpl.getTransactionTemplate().execute(
new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getTrialDAO().getTrials(moduleImpl, session, elementNameLike, propertyNameLike, offset, maxResults);
}
});
}
/**
* Get all distinct trial property names contained in a module
*
* @return a List of object arrays containing [0] the item name and [1] the
* property name
*/
@SuppressWarnings("unchecked")
public List<Object[]> findDistinctTrialPropertyNames(final Module module) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (List<Object[]>) moduleImpl.getTransactionTemplate().execute(
new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getTrialDAO().findDistinctTrialPropertyNames(moduleImpl);
}
});
}
/**
* Get all distinct session property names contained in a module
*
* @return a List of object arrays containing [0] the item name and [1] the
* property name
*/
@SuppressWarnings("unchecked")
public List<Object[]> findDistinctSessionPropertyNames(final Module module) {
final ModuleImpl moduleImpl = (ModuleImpl) module;
return (List<Object[]>) moduleImpl.getTransactionTemplate().execute(
new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
return moduleImpl.getSessionDAO().findDistinctSessionPropertyNames(moduleImpl);
}
});
}
public void setMessages(Messages messages) {
this.messages = messages;
}
public Messages getMessages() {
return messages;
}
}