io.github.bktlib.lazy.LazyInitVar.java Source code

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Here is the source code for io.github.bktlib.lazy.LazyInitVar.java

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/*
 *  Copyright (C) 2016 Leonardosc
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

package io.github.bktlib.lazy;

import com.google.common.base.Preconditions;

import javax.annotation.Nonnull;
import java.util.function.Supplier;

public abstract class LazyInitVar<T> extends LazyInitValue<T> {

    public static <T> LazyInitVar<T> of(@Nonnull Supplier<T> supp) {
        Preconditions.checkNotNull(supp, "supp");

        return new LazyInitVar<T>() {
            @Override
            protected T init() {
                return supp.get();
            }
        };
    }
}