X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=era.mi%2Fsrc%2Fera%2Fmi%2Flogic%2Fcomponents%2FMerger.java;h=17d1b57db8412fe0e1c87cfd14d492875fea2848;hb=4712d3e6ee08461b7754dbfba1c9e82372bb474d;hp=534b2ca6b5a966a2e2b00d123020bc2fa7fe6c18;hpb=49f569b513c36e8ad421fd5a547bf34bd830652a;p=Mograsim.git

diff --git a/era.mi/src/era/mi/logic/components/Merger.java b/era.mi/src/era/mi/logic/components/Merger.java
index 534b2ca6..17d1b57d 100644
--- a/era.mi/src/era/mi/logic/components/Merger.java
+++ b/era.mi/src/era/mi/logic/components/Merger.java
@@ -1,68 +1,84 @@
 package era.mi.logic.components;
 
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import era.mi.logic.Bit;
 import era.mi.logic.wires.WireArray;
-import era.mi.logic.wires.WireArray.WireArrayInput;
+import era.mi.logic.wires.WireArray.WireArrayEnd;
 import era.mi.logic.wires.WireArrayObserver;
 
-public class Merger implements WireArrayObserver
+public class Merger implements WireArrayObserver, Component
 {
-    private WireArrayInput outI;
-    private WireArray[] inputs;
-    private int[] beginningIndex;
+	private WireArrayEnd outI;
+	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 Merger(WireArray union, WireArray... inputs)
+	{
+		this.inputs = inputs;
+		this.outI = union.createInput();
+		this.beginningIndex = new int[inputs.length];
 
-    /**
-     * 
-     * @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 Merger(WireArray union, WireArray... inputs)
-    {
-	this.inputs = inputs;
-	this.outI = union.createInput();
-	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().");
+	}
 
-	int length = 0;
-	for (int i = 0; i < inputs.length; i++)
+	public WireArray getInput(int index)
 	{
-	    beginningIndex[i] = length;
-	    length += inputs[i].length;
-	    inputs[i].addObserver(this);
+		return inputs[index];
 	}
 
-	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 getUnion()
+	{
+		return outI.owner;
+	}
 
-    public WireArray getInput(int index)
-    {
-	return inputs[index];
-    }
+	@Override
+	public void update(WireArray initiator, Bit[] oldValues)
+	{
+		int index = find(initiator);
+		int beginning = beginningIndex[index];
+		outI.feedSignals(beginning, initiator.getValues());
+	}
 
-    public WireArray getUnion()
-    {
-	return outI.owner;
-    }
+	private int find(WireArray w)
+	{
+		for (int i = 0; i < inputs.length; i++)
+			if (inputs[i] == w)
+				return i;
+		return -1;
+	}
 
-    @Override
-    public void update(WireArray initiator)
-    {
-	int index = find(initiator);
-	int beginning = beginningIndex[index];
-	outI.feedSignals(beginning, initiator.getValues());
-    }
+	public WireArray[] getInputs()
+	{
+		return inputs.clone();
+	}
 
-    private int find(WireArray w)
-    {
-	for (int i = 0; i < inputs.length; i++)
-	    if (inputs[i] == w)
-		return i;
-	return -1;
-    }
+	@Override
+	public List<WireArray> getAllInputs()
+	{
+		return Collections.unmodifiableList(Arrays.asList(inputs));
+	}
 
-    public WireArray[] getInputs()
-    {
-	return inputs.clone();
-    }
+	@Override
+	public List<WireArray> getAllOutputs()
+	{
+		return Collections.unmodifiableList(Arrays.asList(outI.owner));
+	}
 }