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...org.eclipse.ice.datastructures/src/org/eclipse/ice/datastructures/form/MaterialStack.java
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| /******************************************************************************* | ||
| * Copyright (c) 2013, 2014 UT-Battelle, LLC. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Initial API and implementation and/or initial documentation - | ||
| * Kasper Gammeltoft | ||
| *******************************************************************************/ | ||
| package org.eclipse.ice.datastructures.form; | ||
|
|
||
| /** | ||
| * A class to encapsulate a multitude of the same material. This is a much | ||
| * better solution than having a material hold information about its own amount | ||
| * in a stack. | ||
| * | ||
| * | ||
| * @author Kasper Gammeltoft | ||
| * | ||
| */ | ||
| public class MaterialStack implements Comparable<MaterialStack> { | ||
|
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| /** | ||
| * The material in this material stack | ||
| */ | ||
| private Material material; | ||
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| /** | ||
| * The amount in this material stack | ||
| */ | ||
| private int number; | ||
|
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| /** | ||
| * Null constructor. | ||
| */ | ||
| public MaterialStack() { | ||
| material = null; | ||
| number = 0; | ||
| } | ||
|
|
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| /** | ||
| * Create a new material stack for holding a material. | ||
| * | ||
| * @param material | ||
| * The material to hold. | ||
| * @param amount | ||
| * How many to hold. | ||
| */ | ||
| public MaterialStack(Material material, int amount) { | ||
| this.material = material; | ||
| number = amount; | ||
|
|
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| } | ||
|
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| /** | ||
| * Gets the material held in this stack. | ||
| * | ||
| * @return The material | ||
| */ | ||
| public Material getMaterial() { | ||
| return material; | ||
| } | ||
|
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| /** | ||
| * Sets the material that should be held in this stack. Note- does not reset | ||
| * the amount held. | ||
| * | ||
| * @param material | ||
| * The material to take over the stack. | ||
| */ | ||
| public void setMaterial(Material material) { | ||
| this.material = material; | ||
| } | ||
|
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| /** | ||
| * The amount of the material held in this stack. | ||
| * | ||
| * @return The amount in the stack | ||
| */ | ||
| public int getAmount() { | ||
| return number; | ||
| } | ||
|
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| /** | ||
| * Sets the amount of the material in the stack. | ||
| * | ||
| * @param amount | ||
| * The amount | ||
| */ | ||
| public void setAmount(int amount) { | ||
| number = amount; | ||
| } | ||
|
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| /** | ||
| * Adds one to the amount on the stack. A convenience method. The same | ||
| * effect could be achieved by writing MaterialStack.add(1). | ||
| */ | ||
| public void incrimentAmount() { | ||
| number++; | ||
| } | ||
|
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| /** | ||
| * Adds the amount specified to the stacks existing amount. | ||
| * | ||
| * @param amount | ||
| * The amount to add | ||
| */ | ||
| public void addAmount(int amount) { | ||
| number += amount; | ||
| } | ||
|
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| /** | ||
| * Compares two material stacks to tell if they are equal to one another. | ||
| * | ||
| * @param stack | ||
| * The stack to compare this one with | ||
| * @return Returns true if the stacks are equal (same material, same amount) | ||
| * and false if otherwise. | ||
| */ | ||
| public boolean equals(MaterialStack stack) { | ||
| return number == stack.getAmount() | ||
| && material.equals(stack.getMaterial()); | ||
| } | ||
|
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| /** | ||
| * Compares two material stacks to see which should be first in a list | ||
| * containing material stacks. Compares based on the same logic for the | ||
| * materials, but will list lesser (in amount) material stacks before | ||
| * greater if the materials are the same when compared. | ||
| * | ||
| * @param | ||
| * stack The material stack to compare to this one. | ||
| */ | ||
| @Override | ||
| public int compareTo(MaterialStack stack) { | ||
| int retVal = 0; | ||
| // The material names are the same. Order from less amount to greater | ||
| // amount. | ||
| if (material.getName().toLowerCase() | ||
| .equals(stack.getMaterial().getName().toLowerCase())) { | ||
| if (number < stack.getAmount()) { | ||
| retVal = -1; | ||
| } else if (number == stack.getAmount()) { | ||
| retVal = 0; | ||
| } else { | ||
| retVal = 1; | ||
| } | ||
| } else { | ||
| retVal = material.compareTo(stack.getMaterial()); | ||
| } | ||
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| return retVal; | ||
| } | ||
|
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| /** | ||
| * Gets this material stack as a string. In the format [Material Stack:[ of | ||
| * Material[some material name] and amount[#]] | ||
| */ | ||
| @Override | ||
| public String toString() { | ||
| String str = "Material Stack:[ of Material[" + material.getName() | ||
| + "] and amount[" + number + "]"; | ||
| return str; | ||
| } | ||
|
|
||
| } |
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