Files
java-design-patterns/bytecode/src/main/java/com/iluwatar/bytecode/Instruction.java
2019-10-12 20:05:54 +03:00

66 lines
2.0 KiB
Java

/**
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
* 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.iluwatar.bytecode;
/**
* Representation of instructions understandable by virtual machine
*/
public enum Instruction {
LITERAL(1),
SET_HEALTH(2),
SET_WISDOM(3),
SET_AGILITY(4),
PLAY_SOUND(5),
SPAWN_PARTICLES(6),
GET_HEALTH(7),
GET_AGILITY(8),
GET_WISDOM(9),
ADD(10),
DIVIDE(11);
private int value;
Instruction(int value) {
this.value = value;
}
public int getIntValue() {
return value;
}
/**
* Converts integer value to Instruction
* @param value value of instruction
* @return representation of the instruction
*/
public static Instruction getInstruction(int value) {
for (int i = 0; i < Instruction.values().length; i++) {
if (Instruction.values()[i].getIntValue() == value) {
return Instruction.values()[i];
}
}
throw new IllegalArgumentException("Invalid instruction value");
}
}