InfoStatistics.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.id.serial;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.openspcoop2.utils.SemaphoreLock;
import org.openspcoop2.utils.Utilities;

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

    private int errorSerializableAccess = 0;
    private List<Throwable> exceptionOccurs = new ArrayList<Throwable>();
    private List<String> _exceptionOccursDistincts = new ArrayList<>();
    private Map<String, Integer> _occurs = new HashMap<String, Integer>(); 
    
    public int getErrorSerializableAccess() {
        return this.errorSerializableAccess;
    }
    public List<Throwable> getExceptionOccurs() {
        return this.exceptionOccurs;
    }
    public int getNumber(Throwable e){
        return this._occurs.get(e.getMessage());
    }
    
    private org.openspcoop2.utils.Semaphore semaphore = new org.openspcoop2.utils.Semaphore("InfoStatistics");
    public void addErrorSerializableAccess(Throwable e){
        SemaphoreLock lock = this.semaphore.acquireThrowRuntime("addErrorSerializableAccess");
        try {
            Throwable msgE = Utilities.getInnerNotEmptyMessageException(e);
            String msg = null;
            if(msgE!=null) {
                msg = msgE.getMessage();
            }
            else {
                msg = e.toString();
            }
            if(msg==null) {
                msg = "NullException";
            }
            this.errorSerializableAccess++;
            if(this._exceptionOccursDistincts.contains(msg)==false){
                this._exceptionOccursDistincts.add(msg);
                this.exceptionOccurs.add(e);
                this._occurs.put(msg, 1);
            }
            else{
                int occur = this._occurs.remove(msg);
                occur++;
                this._occurs.put(msg, occur);
            }
        }finally {
            this.semaphore.release(lock, "addErrorSerializableAccess");
        }
    }
    
    public void clear(){
        this.errorSerializableAccess = 0;
        this.exceptionOccurs.clear();
        this._exceptionOccursDistincts.clear();
    }
}