gda.device.scannable.DummyScannable.java Source code

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Here is the source code for gda.device.scannable.DummyScannable.java

Source

/*-
 * Copyright  2009 Diamond Light Source Ltd.
 *
 * This file is part of GDA.
 *
 * GDA 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.
 *
 * GDA 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 GDA. If not, see <http://www.gnu.org/licenses/>.
 */

package gda.device.scannable;

import gda.device.DeviceException;

import org.apache.commons.lang.math.NumberUtils;

/**
 * Dummy object extending ScannableMotion which represents a single number.
 */
public class DummyScannable extends ScannableMotionBase {

    protected double currentPosition = 0;

    public DummyScannable() {
        this.setInputNames(new String[] { "" });
        try {
            this.setLowerGdaLimits(-Double.MAX_VALUE);
            this.setUpperGdaLimits(Double.MAX_VALUE);
        } catch (Exception e) {
        }
    }

    public DummyScannable(String name) {
        this();
        setName(name);
    }

    @Override
    public void setName(String name) {
        super.setName(name);
        setInputNames(new String[] { name });
    }

    public DummyScannable(String string, double d) {
        this(string);
        this.currentPosition = d;
    }

    @Override
    public void rawAsynchronousMoveTo(Object position) throws DeviceException {
        Double[] positionArray = ScannableUtils.objectToArray(position);
        this.currentPosition = positionArray[0];
        notifyIObservers(this, new ScannablePositionChangeEvent(currentPosition));
    }

    @Override
    public Object rawGetPosition() throws DeviceException {
        return currentPosition;
    }

    @Override
    public boolean rawIsBusy() {
        return false;
    }

    @Override
    public String checkPositionValid(Object position) throws DeviceException {

        if (!NumberUtils.isNumber(position.toString())) {
            return "position not a number";
        }
        return super.checkPositionValid(position);
    }
}