/**
 * Copyright (c) 2007, Regents of the University of California
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the University of California, Los Angeles nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Created Oct 20, 2007
 */
package avrora.sim.output;

import cck.util.Arithmetic;

/**
 * The <code>EventGen</code> definition.
 *
 * @author Ben L. Titzer
 */
public class EventGen {

    private boolean enabled;
    private final EventBuffer buffer;

    public EventGen(EventBuffer buf) {
        buffer = buf;
    }

    public void enable() {
        enabled = true;
    }

    public void disable() {
        enabled = false;
    }

    public void gen(Object o) {
        if (enabled) {
            buffer.recordEvent(o, 0);
        }
    }

    public void gen(Object o, int param) {
        if (enabled) {
            buffer.recordEvent(o, (long) param);
        }
    }

    public void gen(Object o, float param) {
        if (enabled) {
            buffer.recordEvent(o, Float.floatToIntBits(param));
        }
    }

    public void gen(Object o, double param) {
        if (enabled) {
            buffer.recordEvent(o, Double.doubleToLongBits(param));
        }
    }

    public void gen(Object o, int p1, int p2) {
        if (enabled) {
            long param = ((long)p1) << 32 | (0xffffffffL & p2);
            buffer.recordEvent(o, param);
        }
    }

    public void gen(Object o, byte param) {
        if (enabled) {
            buffer.recordEvent(o, (long) param);
        }
    }

    public void gen(Object o, byte p1, byte p2) {
        if (enabled) {
            long param = Arithmetic.word(p1, p2);
            buffer.recordEvent(o, param);
        }
    }

    public void gen(Object o, char param) {
        if (enabled) {
            buffer.recordEvent(o, (long) param);
        }
    }

}
