001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2014 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.tide.seam;
023
024import java.util.ArrayList;
025import java.util.List;
026
027import org.granite.tide.invocation.ContextEvent;
028import org.granite.tide.invocation.ContextUpdate;
029
030
031/**
032 * @author William DRAI
033 */
034public class TideInvocation {
035    
036    private static ThreadLocal<TideInvocation> invocation = new ThreadLocal<TideInvocation>();
037    
038    public static TideInvocation get() {
039        return invocation.get();
040    }
041    
042    public static TideInvocation init() {
043        TideInvocation ti = new TideInvocation();
044        invocation.set(ti);
045        return ti;
046    }
047    
048    public static void remove() {
049        invocation.remove();
050    }
051    
052    private boolean locked = false;
053    private boolean enabled = false;
054    private boolean updated = false;
055    private boolean evaluated = false;
056    private final List<ContextUpdate> updates = new ArrayList<ContextUpdate>();
057    private final List<ContextUpdate> results = new ArrayList<ContextUpdate>();
058    private final List<ContextEvent> events = new ArrayList<ContextEvent>();
059
060    
061    public List<ContextUpdate> getUpdates() {
062        return updates;
063    }
064    
065    public List<ContextUpdate> getResults() {
066        return results;
067    }
068    
069    public List<ContextEvent> getEvents() {
070        return events;
071    }
072    
073    public void update(List<ContextUpdate> updates) {
074        this.enabled = true;
075        this.updated = false;
076        this.updates.clear();
077        if (updates != null)
078            this.updates.addAll(updates);
079    }
080    public void updated() {
081        this.updated = true;
082        this.updates.clear();
083    }
084    public boolean isUpdated() {
085        return this.updated;
086    }
087    
088    public void evaluate() {
089        this.evaluated = false;
090        this.results.clear();
091    }
092    public void evaluated(List<ContextUpdate> results) {
093        this.evaluated = true;
094//        this.results.clear();
095        this.results.addAll(results);
096        this.updated = false;
097        this.updates.clear();
098    }
099    public boolean isEvaluated() {
100        return this.evaluated;
101    }
102    
103    public void addEvent(ContextEvent event) {
104        events.add(event);
105    }
106    
107    public void lock() {
108        this.locked = true;
109    }
110    public void unlock() {
111        this.locked = false;
112    }
113    public boolean isLocked() {
114        return this.locked;
115    }
116    
117    public boolean isEnabled() {
118        return enabled;
119    }
120}