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/*
* esodata - data structures and other things, of varying utility
* Copyright 2022, Ben Culkin
*
* 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 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 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 <https://www.gnu.org/licenses/>.
*/
package bjc.data;
/**
* A simple implementation of {@link Toggle}.
*
* @author EVE
*
* @param <E>
* The type of value to toggle between.
*/
public class ValueToggle<E> implements Toggle<E> {
/* Our left value. */
private final E lft;
/* Our right value. */
private final E rght;
/* Our alignment. */
private final BooleanToggle alignment;
/**
* Create a new toggle.
*
* All toggles start right-aligned.
*
* @param left
* The value when the toggle is left-aligned.
*
* @param right
* The value when the toggle is right-aligned.
*/
public ValueToggle(final E left, final E right) {
lft = left;
rght = right;
alignment = new BooleanToggle();
}
@Override
public E get() {
return alignment.get() ? lft : rght;
}
@Override
public E peek() {
return alignment.peek() ? lft : rght;
}
@Override
public void set(final boolean isLeft) {
alignment.set(isLeft);
}
}
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