OutIfPositive.java

/*
    BeepBeep, an event stream processor
    Copyright (C) 2008-2018 Sylvain Hallé

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published
    by the Free Software Foundation, either version 3 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package customprocessors;

import java.util.Queue;

import ca.uqac.lif.cep.*;

public class OutIfPositive extends SynchronousProcessor {

    public OutIfPositive() {
        super(1, 1);
    }

    public boolean compute(Object[] inputs, Queue<Object[]> outputs) {
        Number n = (Number) inputs[0];
        if (n.floatValue() > 0)
            outputs.add(new Object[]{n});
        return true;
    }

    @Override
    public Processor duplicate(boolean with_state) {
        return new OutIfPositive();
    }
}