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[19] | 1 | package de.ugoe.cs.eventbench.models;
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[1] | 2 |
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| 3 | import java.util.LinkedList;
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| 4 | import java.util.List;
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| 5 |
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| 6 | public class IncompleteMemory<T> implements IMemory<T> {
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| 7 |
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| 8 | private int length;
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| 9 |
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| 10 | private List<T> history;
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| 11 |
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| 12 | public IncompleteMemory(int length) {
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| 13 | this.length = length;
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| 14 | history = new LinkedList<T>();
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| 15 | }
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| 16 |
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| 17 | @Override
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| 18 | public void add(T state) {
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| 19 | if( history.size()==length ) {
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| 20 | history.remove(0);
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| 21 | }
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| 22 | history.add(state);
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| 23 | }
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| 24 |
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| 25 | @Override
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| 26 | public List<T> getLast(int num) {
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| 27 | return new LinkedList<T>(history); // defensive copy
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| 28 | }
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| 29 |
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| 30 | public int getLength() {
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| 31 | return history.size();
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| 32 | }
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| 33 | }
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