NPE fix for Acorn cluster stream undo handling

[simantics/platform.git] / bundles / org.simantics.acorn / src / org / simantics / acorn / internal / ClusterChange2.java

diff --git a/bundles/org.simantics.acorn/src/org/simantics/acorn/internal/ClusterChange2.java b/bundles/org.simantics.acorn/src/org/simantics/acorn/internal/ClusterChange2.java
deleted file mode 100644 (file)
index 472b4d7..0000000
--- a/bundles/org.simantics.acorn/src/org/simantics/acorn/internal/ClusterChange2.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package org.simantics.acorn.internal;
-
-
-public class ClusterChange2 {
-    public static final int VERSION = 2;
-    public static final byte SET_IMMUTABLE_OPERATION = 1; // <byte : 0 = false>
-    public static final byte UNDO_VALUE_OPERATION = 2; // <int : resource index>
-    private static final int INCREMENT = 1<<10;
-//    private boolean dirty = false;
-//    private byte[] bytes;
-//    private int byteIndex;
-//    private ClusterUID clusterUID;
-//    private ClusterImpl cluster;
-//    ClusterChange2(ClusterUID clusterUID, ClusterImpl cluster) {
-//        this.clusterUID = clusterUID;
-//        this.cluster = cluster;
-//        init();
-//    }
-//    void init() {
-////        System.err.println("clusterChange2 dirty " + cluster.clusterId);
-//        dirty = false;
-//        bytes = new byte[INCREMENT];
-//        byteIndex = 0;
-//        addInt(0); // Size of byte vector. Set by flush.
-//        addInt(VERSION);
-//        byteIndex = clusterUID.toByte(bytes, 8);
-//    }
-//    boolean isDirty() {
-//        return dirty;
-//    }
-//    void flush(GraphSession graphSession) {
-////        System.err.println("flush2 clusterChange2 " + dirty + this);
-//        if (!dirty)
-//            return;
-//        Bytes.writeLE(bytes, 0, byteIndex - 4);
-//        byte[] ops = Arrays.copyOf(bytes, byteIndex);
-////        System.err.println("flush2 clusterChange2 " + cluster.clusterId + " " + ops.length + " bytes.");
-//        graphSession.updateCluster(new UpdateClusterFunction(ops));
-//        init();
-//    }
-//    void setImmutable(boolean immutable) {
-//        dirty = true;
-//        addByte(SET_IMMUTABLE_OPERATION);
-//        addByte((byte)(immutable ? -1 : 0));
-//    }
-//    void undoValueEx(int resourceIndex) {
-//        dirty = true;
-//        addByte(UNDO_VALUE_OPERATION);
-//        addInt(resourceIndex);
-//    }
-//    private final void checkSpace(int len) {
-//        if (bytes.length - byteIndex > len)
-//            return;
-//       bytes = Arrays.copyOf(bytes, bytes.length + len + INCREMENT);
-//    }
-//    private final void addByte(byte value) {
-//        checkSpace(1);
-//        bytes[byteIndex++] = value;
-//    }
-//    private final void addInt(int value) {
-//        checkSpace(4);
-//        Bytes.writeLE(bytes, byteIndex, value);
-//        byteIndex += 4;
-//    }
-////    private void addLong(long value) {
-////        checkSpace(8);
-////        Bytes.writeLE(bytes, byteIndex, value);
-////        byteIndex += 8;
-////    }
-}