Mercurial > hg > RemoteEditor > REPSessionManager

annotate rep/optimizers/REPCommandOptimizer.java @ 331:f9fa876d3539

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Optimizer test
author kono
date Sun, 12 Oct 2008 09:43:17 +0900
parents e44c1773d121
children
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1 package rep.optimizers;
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3 import java.util.List;
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4 import rep.REPCommand;
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5
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6 public interface REPCommandOptimizer {
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7
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8 // なんで、Interfaceじゃないの?
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9 // Interface じゃないせいで、NullOptimizer でも余計なコピーが生じている。
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10 // 本来、最適化はコピーしながら作業するので、余計にコピーするのは良くない。
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11 // まぁ、この方が安全臭いことはあるかも知れないけど。kono
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13 // リストとその中身のREPCommandをコピーするため. finalでよい?
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14
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15 // final だとoverride できないので、このコピーを外すことは誰にも出来なくなって
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16 // しまう。kono
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17 // public final List<REPCommand> optimize(List<REPCommand> cmdlist){
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18 // List<REPCommand> copied = new LinkedList<REPCommand>();
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19 // for (REPCommand cmd: cmdlist){
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20 // // ちゃんと new しないといけません!
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21 // copied.add(new REPCommand(cmd));
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22 // }
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23 // return optimize0(copied);
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24 // }
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25
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26 // 継承したクラスでこれを実装してください 直接cmdlistを返すのもあり.
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27 public List<REPCommand> optimize(List<REPCommand> cmdlist);
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29 }