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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.runtime.objects;
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11
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12 /**
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13 * A storage location that abstracts the method for reading and writing values.
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14 */
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15 public abstract class StorageLocation {
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16
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17 private ObjectLayout objectLayout;
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18
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19 protected StorageLocation(ObjectLayout objectLayout) {
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20 this.objectLayout = objectLayout;
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21 }
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22
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23 public abstract boolean isSet(RubyBasicObject object);
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24
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25 public abstract Object read(RubyBasicObject object, boolean condition);
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26
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27 public abstract void write(RubyBasicObject object, Object value) throws GeneralizeStorageLocationException;
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28
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29 public abstract Class getStoredClass();
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30
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31 public ObjectLayout getObjectLayout() {
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32 return objectLayout;
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33 }
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34
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35 }
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