1 package era.mi.logic.components.gates;
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3 import java.util.Arrays;
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4 import java.util.Collections;
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5 import java.util.List;
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7 import era.mi.logic.Bit;
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8 import era.mi.logic.components.BasicComponent;
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9 import era.mi.logic.wires.WireArray;
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10 import era.mi.logic.wires.WireArray.WireArrayEnd;
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12 public abstract class MultiInputGate extends BasicComponent
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14 protected WireArray[] in;
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15 protected WireArray out;
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16 protected WireArrayEnd outI;
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17 protected final int length;
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18 protected Operation op;
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20 protected MultiInputGate(int processTime, Operation op, WireArray out, WireArray... in)
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24 length = out.length;
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25 this.in = in.clone();
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27 throw new IllegalArgumentException(String.format("Cannot create gate with %d wires.", in.length));
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28 for (WireArray w : in)
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30 if (w.length != length)
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31 throw new IllegalArgumentException("All wires connected to the gate must be of uniform length.");
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32 w.addObserver(this);
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35 outI = out.createInput();
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39 public List<WireArray> getAllInputs()
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41 return Collections.unmodifiableList(Arrays.asList(in));
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45 public List<WireArray> getAllOutputs()
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47 return Collections.unmodifiableList(Arrays.asList(out));
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50 protected void compute()
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52 Bit[] result = in[0].getValues();
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53 for (int i = 1; i < in.length; i++)
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54 result = op.execute(result, in[i].getValues());
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55 outI.feedSignals(result);
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58 protected interface Operation
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60 public Bit[] execute(Bit[] a, Bit[] b);
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