001/* 002 * Trident - A Multithreaded Server Alternative 003 * Copyright 2014 The TridentSDK Team 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package net.tridentsdk.inventory.trade; 019 020import net.tridentsdk.inventory.Item; 021 022/** 023 * Represents a pair of ItemStacks designated in a trade 024 * 025 * @author TridentSDK Team 026 */ 027public class ItemPair { 028 private final Item one; 029 private final Item two; 030 031 /** 032 * Construct a ItemPair with only one input ItemStack The second ItemStack will be considered null and thus will be 033 * treated as a single input when trading 034 */ 035 public ItemPair(Item one) { 036 this(one, null); 037 } 038 039 /** 040 * Construct a ItemPair with two input ItemStacks When used in a trade, the pair will be treated as a double input 041 * when trading 042 */ 043 public ItemPair(Item one, Item two) { 044 this.one = one; 045 this.two = two; 046 } 047 048 public Item first() { 049 return this.one; 050 } 051 052 public Item second() { 053 return this.two; 054 } 055}