HCOLL-219 support the importing and exporting of entries to a human readable file format like JSON

src/test/java/net/openhft/chronicle/map/ChronicleMapImportExportTest.java

@@ -0,0 +1,47 @@
+package net.openhft.chronicle.map;
+
+import junit.framework.Assert;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * @author Rob Austin.
+ */
+public class ChronicleMapImportExportTest {
+
+
+    public static final String TMP = System.getProperty("java.io.tmpdir");
+
+    @Test
+    public void test() throws IOException, InterruptedException {
+
+        File file = new File(TMP + "/chronicle-map-" + System.nanoTime() + ".json");
+        file.deleteOnExit();
+
+        try (ChronicleMap<String, String> expected = ChronicleMapBuilder.of(String.class, String
+                .class)
+                .create()) {
+
+            expected.put("hello", "world");
+            expected.put("aKey", "aValue");
+
+            System.out.println(expected);
+            expected.getAll(file);
+
+            try (ChronicleMap<String, String> actual = ChronicleMapBuilder.of(String.class, String
+                    .class)
+                    .create()) {
+
+                actual.putAll(file);
+
+                Assert.assertEquals(expected, actual);
+            }
+        } finally {
+            file.delete();
+        }
+
+
+    }
+}

src/test/java/net/openhft/chronicle/map/ReplicationCheckingMap.java

@@ -270,6 +270,16 @@ public class ReplicationCheckingMap<K, V> implements ChronicleMap<K, V> {
         throw new UnsupportedOperationException();
     }
 
+    @Override
+    public void getAll(File toFile) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void putAll(File fromFile) {
+        throw new UnsupportedOperationException();
+    }
+
     @Override
     public V acquireUsing(@NotNull K key, V usingValue) {
         return map1.acquireUsing(key, usingValue);

src/test/java/net/openhft/chronicle/map/jrs166/map/StatelessChronicleMapTest.java

@@ -192,6 +192,16 @@ public class StatelessChronicleMapTest extends JSR166TestCase {
             return d.removeLater(key);
         }
 
+        @Override
+        public void getAll(File toFile) throws IOException {
+            d.getAll(toFile);
+        }
+
+        @Override
+        public void putAll(File fromFile) throws IOException {
+            d.putAll(fromFile);
+        }
+
         @Override
         public V putIfAbsent(K key, V value) {
             return d.putIfAbsent(key, value);