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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.funcdata;
import java.util.List;
/**
* A list that logs when items are inserted into it.
*
* @author bjculkin
*
* @param <T>
* The type of item in the list.
*/
public class SentryList<T> extends FunctionalList<T> {
/** Create a new sentry list. */
public SentryList() {
super();
}
/**
* Create a new sentry list backed by an existing list.
*
* @param backing
* The backing list.
*/
public SentryList(final List<T> backing) {
super(backing);
}
@Override
public boolean add(final T item) {
final boolean val = super.add(item);
if (val) {
System.out.println("Added item (" + item + ") to list");
}
return val;
}
}
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