Merge pull request #2149 from ControlSystemStudio/pva_cvt_2145

PVA: Allow setting all array types from double[]

core/pva/src/main/java/org/epics/pva/data/Convert.java

+/*******************************************************************************
+ * Copyright (c) 2022 Oak Ridge National Laboratory.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ ******************************************************************************/
+package org.epics.pva.data;
+
+/** Array converters
+ *  @author Kay Kasemir
+ */
+public class Convert
+{
+    public static float[] toFloat(final double[] array)
+    {
+        final float[] cvt = new float[array.length];
+        for (int i=0; i<cvt.length; ++i)
+               cvt[i] = (float) array[i];
+        return cvt;
+    }
+
+    public static long[] toLong(final double[] array)
+    {
+        final long[] cvt = new long[array.length];
+        for (int i=0; i<cvt.length; ++i)
+               cvt[i] = (long) array[i];
+        return cvt;
+    }
+
+    public static int[] toInt(final double[] array)
+    {
+        final int[] cvt = new int[array.length];
+        for (int i=0; i<cvt.length; ++i)
+               cvt[i] = (int) array[i];
+        return cvt;
+    }
+
+    public static short[] toShort(final double[] array)
+    {
+        final short[] cvt = new short[array.length];
+        for (int i=0; i<cvt.length; ++i)
+               cvt[i] = (short) array[i];
+        return cvt;
+    }
+
+    public static byte[] toByte(final double[] array)
+    {
+        final byte[] cvt = new byte[array.length];
+        for (int i=0; i<cvt.length; ++i)
+               cvt[i] = (byte) array[i];
+        return cvt;
+    }
+}

core/pva/src/main/java/org/epics/pva/data/PVAByteArray.java

 /*******************************************************************************
- * Copyright (c) 2019-2020 Oak Ridge National Laboratory.
+ * Copyright (c) 2019-2022 Oak Ridge National Laboratory.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -61,6 +61,10 @@ public class PVAByteArray extends PVAData implements PVAArray
             final byte[] other = ((PVAByteArray) new_value).value;
             value = Arrays.copyOf(other, other.length);
         }
+        else if (new_value instanceof PVADoubleArray)
+            set(Convert.toByte(((PVADoubleArray) new_value).get()));
+        else if (new_value instanceof double[])
+            set(Convert.toByte((double[]) new_value));
         else if (new_value instanceof byte[])
             set(((byte[]) new_value));
         else if (new_value instanceof List)

core/pva/src/main/java/org/epics/pva/data/PVAData.java

 /*******************************************************************************
- * Copyright (c) 2019 Oak Ridge National Laboratory.
+ * Copyright (c) 2019-2022 Oak Ridge National Laboratory.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -41,6 +41,10 @@ public abstract class PVAData
      *  This method allows setting the value from
      *  generic {@link Object}.
      *
+     *  <p>Not all types are supported,
+     *  but the matching type as well as double and String
+     *  generally are.
+     *
      *  @param new_value New value for this data item
      *  @throws Exception on error, including incompatible data type
      */

core/pva/src/main/java/org/epics/pva/data/PVAFloatArray.java

 /*******************************************************************************
- * Copyright (c) 2019-2020 Oak Ridge National Laboratory.
+ * Copyright (c) 2019-2022 Oak Ridge National Laboratory.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -49,9 +49,13 @@ public class PVAFloatArray extends PVAData implements PVAArray
     {
         if (new_value instanceof PVAFloatArray)
         {
-            final float[] other = ((PVAFloatArray) new_value).value;
+            final float[] other = ((PVAFloatArray) new_value).get();
             value = Arrays.copyOf(other, other.length);
         }
+        else if (new_value instanceof PVADoubleArray)
+            set(Convert.toFloat(((PVADoubleArray) new_value).get()));
+        else if (new_value instanceof double[])
+            set(Convert.toFloat((double[]) new_value));
         else if (new_value instanceof float[])
             set(((float[]) new_value));
         else if (new_value instanceof List)

core/pva/src/main/java/org/epics/pva/data/PVAIntArray.java

 /*******************************************************************************
- * Copyright (c) 2019-2020 Oak Ridge National Laboratory.
+ * Copyright (c) 2019-2022 Oak Ridge National Laboratory.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -61,6 +61,10 @@ public class PVAIntArray extends PVAData implements PVAArray
             final int[] other = ((PVAIntArray) new_value).value;
             value = Arrays.copyOf(other, other.length);
         }
+        else if (new_value instanceof PVADoubleArray)
+            set(Convert.toInt(((PVADoubleArray) new_value).get()));
+        else if (new_value instanceof double[])
+            set(Convert.toInt((double[]) new_value));
         else if (new_value instanceof int[])
             set(((int[]) new_value));
         else if (new_value instanceof List)

core/pva/src/main/java/org/epics/pva/data/PVALongArray.java

 /*******************************************************************************
- * Copyright (c) 2019-2020 Oak Ridge National Laboratory.
+ * Copyright (c) 2019-2022 Oak Ridge National Laboratory.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -61,6 +61,10 @@ public class PVALongArray extends PVAData implements PVAArray
             final long[] other = ((PVALongArray) new_value).value;
             value = Arrays.copyOf(other, other.length);
         }
+        else if (new_value instanceof PVADoubleArray)
+            set(Convert.toLong(((PVADoubleArray) new_value).get()));
+        else if (new_value instanceof double[])
+            set(Convert.toLong((double[]) new_value));
         else if (new_value instanceof long[])
             set(((long[]) new_value));
         else if (new_value instanceof List)

core/pva/src/main/java/org/epics/pva/data/PVAShortArray.java

 /*******************************************************************************
- * Copyright (c) 2019-2020 Oak Ridge National Laboratory.
+ * Copyright (c) 2019-2022 Oak Ridge National Laboratory.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -61,6 +61,10 @@ public class PVAShortArray extends PVAData implements PVAArray
             final short[] other = ((PVAShortArray) new_value).value;
             value = Arrays.copyOf(other, other.length);
         }
+        else if (new_value instanceof PVADoubleArray)
+            set(Convert.toShort(((PVADoubleArray) new_value).get()));
+        else if (new_value instanceof double[])
+            set(Convert.toShort((double[]) new_value));
         else if (new_value instanceof short[])
             set(((short[]) new_value));
         else if (new_value instanceof List)