Runnable.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */



package org.openspcoop2.utils.threads;

import org.openspcoop2.utils.Utilities;
import org.openspcoop2.utils.UtilsException;

/**
 * Runnable
 *  
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class Runnable extends Thread{

    /** Logger utilizzato per debug. */
    private RunnableLogger log = null;

    // VARIABILE PER STOP
    private boolean stop = false;
    
    public boolean isStop() {
        return this.stop;
    }

    public void setStop(boolean stop) {
        this.stop = stop;
    }
    
    private boolean finished = false;
    public boolean isFinished() {
        return this.finished;
    }

    private int checkIntervalMs = -1; // ogni X ms reinvoco l'instance
    private IRunnableInstance instance;
    
    private boolean initialized = false; 
    
    /** Costruttore */
    public Runnable(RunnableLogger runnableLogger, IRunnableInstance instance,int checkIntervalMs) throws UtilsException{
        
        this.initialized = true;
        
        this.log = runnableLogger;
        this.instance = instance;
        this.checkIntervalMs = checkIntervalMs;
        
        this.instance.initialize(runnableLogger);
        
        this.log.info("Avviato");
    }
    
    public Runnable(IRunnableInstance instance,int checkIntervalMs) throws UtilsException{
        
        this.instance = instance;
        this.checkIntervalMs = checkIntervalMs;
        
    }
    public void initialize(RunnableLogger runnableLogger)  throws UtilsException{
                
        this.initialized = true;
        
        this.log = runnableLogger;
        
        this.instance.initialize(runnableLogger);
        
        this.log.info("Avviato");
    }
    public String getIdentifier() {
        return this.instance.getIdentifier();
    }
    
    /**
     * Metodo che fa partire il Thread. 
     *
     */
    @Override
    public void run(){
        
        if(this.initialized==false) {
            return; // non inizializzato correttamente
        }
        
        while(this.stop == false){
            
            try{
                this.instance.check();
            }catch(Exception e){
                this.log.error("Errore generale: "+e.getMessage(),e);
            }finally{
            }
            
            if(this.instance.isContinuousRunning()==false) {
                // dopo una invocazione del metodo 'check' il thread termina
                this.stop = true;
            }
                    
            // CheckInterval
            if(this.stop==false){
                if(this.checkIntervalMs<=1000) {
                    Utilities.sleep(1000);
                }
                else {      
                    int checkIntervalSeconds = this.checkIntervalMs / 1000;
                    int checkInterval_resto = this.checkIntervalMs % 1000;
                    int i=0;
                    while(i<checkIntervalSeconds){
                        Utilities.sleep(1000);
                        if(this.stop){
                            break; // thread terminato, non lo devo far piu' dormire
                        }
                        i++;
                    }
                    if(!this.stop && checkInterval_resto>0){
                        Utilities.sleep(checkInterval_resto);
                    }
                }
            }
        } 
        
        this.finished=true;
    }
}