/**
* Copyright (C) 2012 JBoss Inc
*
* 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.jboss.dashboard.kpi;
import org.jboss.dashboard.commons.events.Publisher;
import org.jboss.dashboard.provider.DataProviderManager;
import org.jboss.dashboard.database.hibernate.HibernateTxFragment;
import java.util.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Session;
import org.hibernate.FlushMode;
import org.hibernate.Query;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
@ApplicationScoped
public class KPIManagerImpl implements KPIManager {
/** Logger */
private transient static Log log = LogFactory.getLog(KPIManagerImpl.class);
@Inject
protected DataProviderManager dataProviderManager;
/**
* Event publisher addressed to store those listeners interested in process events.
*/
protected Publisher eventPublisher;
public KPIManagerImpl() {
eventPublisher = new Publisher();
}
public KPI createKPI() {
return new KPIImpl();
}
public Set getAllKPIs() throws Exception {
final Set results = new HashSet();
new HibernateTxFragment() {
protected void txFragment(Session session) throws Exception {
FlushMode flushMode = session.getFlushMode();
session.setFlushMode(FlushMode.COMMIT);
Query query = session.createQuery("from " + KPIImpl.class.getName() + " order by id");
query.setCacheable(true);
results.addAll(query.list());
session.setFlushMode(flushMode);
}}.execute();
return results;
}
public KPI getKPIById(final Long id) throws Exception {
final List results = new ArrayList();
new HibernateTxFragment() {
protected void txFragment(Session session) throws Exception {
FlushMode flushMode = session.getFlushMode();
session.setFlushMode(FlushMode.COMMIT);
StringBuffer sql = new StringBuffer();
sql.append("from ").append(KPIImpl.class.getName()).append(" as instance ");
sql.append("where instance.id = :id");
Query query = session.createQuery(sql.toString());
if (id != null) query.setLong("id", id.longValue());
query.setCacheable(true);
results.addAll(query.list());
session.setFlushMode(flushMode);
}}.execute();
if (results != null && results.size() > 0) return (KPIImpl) results.get(0);
else log.debug("KPI with id =" + id + " does not exist.");
return null;
}
public KPI getKPIByCode(final String code) throws Exception {
final List results = new ArrayList();
new HibernateTxFragment() {
protected void txFragment(Session session) throws Exception {
FlushMode flushMode = session.getFlushMode();
session.setFlushMode(FlushMode.COMMIT);
StringBuffer sql = new StringBuffer();
sql.append("from ").append(KPIImpl.class.getName()).append(" as instance ");
sql.append("where instance.code = :code");
Query query = session.createQuery(sql.toString());
if (code != null) query.setString("code", code);
query.setCacheable(true);
results.addAll(query.list());
session.setFlushMode(flushMode);
}}.execute();
if (results != null && results.size() > 0) return (KPIImpl) results.get(0);
else log.debug("KPI with code=" + code + " does not exist.");
return null;
}
public void sortKPIsByDescription(List<KPI> list, boolean ascending) {
KPIComparator comp = new KPIComparatorImpl();
comp.addSortCriteria(KPIComparator.CRITERIA_DESCRIPTION, ascending ? KPIComparator.ORDER_ASCENDING : KPIComparator.ORDER_DESCENDING);
Collections.sort(list, comp);
}
// Event handling
public Map<Integer,List<KPIListener>> getKPIListenerMap() {
return eventPublisher.getSubscribers();
}
public List<KPIListener> getKPIListeners(int eventId) {
return eventPublisher.getSubscribers(eventId);
}
public void addKPIListener(KPIListener kpiListener, int eventId) {
eventPublisher.subscribe(kpiListener, eventId);
}
public void removeKPIListener(KPIListener kpiListener, int eventId) {
eventPublisher.unsubscribe(kpiListener, eventId);
}
public void removeKPIListener(KPIListener kpiListener) {
eventPublisher.unsubscribe(kpiListener);
}
public void notifyKPIListener(int eventId, KPI kpi) {
eventPublisher.notifyEvent(eventId, kpi);
}
}