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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau.utils;

import static org.apache.juneau.internal.ObjectUtils.*;

import org.apache.juneau.internal.*;

/**
 * Represents a simple tuple of 3 objects.
 *
 * See Also:

 * 
 *
 * @param  Object 1 type.
 * @param  Object 2 type.
 * @param  Object 3 type.
 */
public class Tuple3 {

	/**
	 * Static creator.
	 *
	 * @param  Object 1 type.
	 * @param  Object 2 type.
	 * @param  Object 3 type.
	 * @param a Object 1.
	 * @param b Object 2.
	 * @param c Object 3.
	 * @return A new tuple object.
	 */
	public static  Tuple3 of(A a, B b, C c) {
		return new Tuple3<>(a,b,c);
	}

	private final A a;
	private final B b;
	private final C c;

	/**
	 * Constructor.
	 *
	 * @param a Object 1.
	 * @param b Object 2.
	 * @param c Object 3.
	 */
	public Tuple3(A a, B b, C c) {
		this.a = a;
		this.b = b;
		this.c = c;
	}

	/**
	 * Returns the first object in this tuple.
	 *
	 * @return The first object in this tuple.
	 */
	public A getA() {
		return a;
	}

	/**
	 * Returns the second object in this tuple.
	 *
	 * @return The second object in this tuple.
	 */
	public B getB() {
		return b;
	}

	/**
	 * Returns the third object in this tuple.
	 *
	 * @return The third object in this tuple.
	 */
	public C getC() {
		return c;
	}

	@Override /* Object */
	public int hashCode() {
		return HashCode.of(a,b,c);
	}

	@Override /* Object */
	public boolean equals(Object o) {
		return o instanceof Tuple3 && eq(this, (Tuple3)o, (x,y)->eq(x.a,y.a) && eq(x.b,y.b) && eq(x.c,y.c));
	}
}