+++ /dev/null
-package era.mi.logic.components;
-
-import era.mi.logic.WireArray;
-import era.mi.logic.WireArrayObserver;
-
-public class Merger2 implements WireArrayObserver
-{
- private WireArray out;
- private WireArray[] inputs;
- private int[] beginningIndex;
-
- /**
- *
- * @param union The output of merging n {@link WireArray}s into one. Must have length = a1.length() + a2.length() + ... + an.length().
- * @param inputs The inputs to be merged into the union
- */
- public Merger2(WireArray union, WireArray... inputs)
- {
- this.inputs = inputs;
- this.out = union;
- this.beginningIndex = new int[inputs.length];
-
- int length = 0;
- for(int i = 0; i < inputs.length; i++)
- {
- beginningIndex[i] = length;
- length += inputs[i].length();
- inputs[i].addObserver(this);
- }
-
- if(length != union.length())
- throw new IllegalArgumentException("The output of merging n WireArrays into one must have length = a1.length() + a2.length() + ... + an.length().");
- }
-
- public WireArray getInput(int index)
- {
- return inputs[index];
- }
-
- public WireArray getUnion()
- {
- return out;
- }
-
- @Override
- public void update(WireArray initiator)
- {
- int index = find(initiator);
- int beginning = beginningIndex[index];
- out.feedSignals(beginning, initiator.getValues());
- }
-
- private int find(WireArray w)
- {
- for(int i = 0; i < inputs.length; i++)
- if(inputs[i] == w)
- return i;
- return -1;
- }
-
- public WireArray getOut()
- {
- return out;
- }
-
- public WireArray[] getInputs()
- {
- return inputs.clone();
- }
-}