/*
 * Copyright (c) 2014 Andrew O'Malley
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.github.andrewoma.dexx.collection;

import com.github.andrewoma.dexx.collection.internal.base.MappedIterable;

/**
 *
 */
public class WrappedMapIterable<T> extends MappedIterable<T, Pair<T, T>> {
    private Iterable<Pair<T, T>> from;

    public WrappedMapIterable(Iterable<Pair<T, T>> from) {
        super(from, new Function<Pair<T, T>, T>() {
            @Override
            public T invoke(Pair<T, T> parameter) {
                return parameter.component1();
            }
        });
        this.from = from;
    }

    @Override
    public boolean equals(Object obj) {
        return obj instanceof WrappedMapIterable && from.equals(((WrappedMapIterable) obj).from);
    }

    @Override
    public int hashCode() {
        return from.hashCode();
    }
}
