[Csvtosql-cvs] csvtosql_jdk50/src/net/sf/csv2sql/idgenerators IdGenerator.java,NONE,1.1 Incremental.java,NONE,1.1 Time.java,NONE,1.1

[consonni d. <dav...@us...>]

Update of /cvsroot/csvtosql/csvtosql_jdk50/src/net/sf/csv2sql/idgenerators
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv15138/net/sf/csv2sql/idgenerators

Added Files:
	IdGenerator.java Incremental.java Time.java 
Log Message:
no message

--- NEW FILE: IdGenerator.java ---
/*
    Copyright (C) 2004  Davide Consonni <dco...@en...>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package net.sf.csv2sql.idgenerators;

/**
 * The id's generator classes simply returns a unique number 
 * that can be used as primary key.
 * <p>
 * <b>Extend this class</b> to define a new id generator, you must implement
 * the <code>getID()</code> method, with must return a unique id
 * @author <a href="mailto:dco...@en...">Davide Consonni</a>
 */
public interface IdGenerator {
    
    /**
     * return unique key
     */
    public long getID();
    
}

--- NEW FILE: Time.java ---
/*
    Copyright (C) 2004  Davide Consonni <dco...@en...>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package net.sf.csv2sql.idgenerators;

/**
 * create incremental positive id starting from zero based on system tickcount (time).
 * <p>
 * example: 1085607797580, 1085607797581, 1085607797582
 * <p>
 * note: max value is <code>Long.MAX_VALUE</code>
 * @see IdGenerator
 * @author <a href="mailto:dco...@en...">Davide Consonni</a>
 */
public class Time implements IdGenerator {
    
    long oldId;
     
    public long getID() {
        long currentId = System.currentTimeMillis(); 
        while (oldId == currentId) {
           currentId = System.currentTimeMillis();
        }
        oldId = currentId;
            
        return currentId;
    }
    
}

--- NEW FILE: Incremental.java ---
/*
    Copyright (C) 2004  Davide Consonni <dco...@en...>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package net.sf.csv2sql.idgenerators;

/**
 * create incremental positive id starting from zero.
 * <p>
 * example: 1, 2, 3
 * <p>
 * note: max value is <code>Long.MAX_VALUE</code>
 * @see IdGenerator
 * @author <a href="mailto:dco...@en...">Davide Consonni</a>
 */
public class Incremental implements IdGenerator {
    
    private long currentId = 0;    
    
    /**
     * @see IdGenerator#getID
     */
    public long getID() {
        return currentId++;
    }    
    
}