New Chronicle-Map

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

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2014 Higher Frequency Trading http://www.higherfrequencytrading.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.openhft.chronicle.map;
+
+import net.openhft.lang.io.Bytes;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.concurrent.atomic.AtomicLong;
+
+import static org.junit.Assert.assertEquals;
+
+public class CHMMetaDataTest {
+    private static final String TMP = System.getProperty("java.io.tmpdir");
+
+    @Test
+    public void testAccessTimes() throws IOException {
+        File file = new File(TMP, "testAccessTimes");
+        MapEventListener<String, String, ChronicleMap<String, String>> listener =
+                new StringStringMapEventListener(new AtomicLong(1));
+        ChronicleMap<String, String> map = ChronicleMapBuilder.of(String.class, String.class)
+                .metaDataBytes(8)
+                .eventListener(listener)
+                .create(file);
+
+        try {
+            map.put("a", "aye");
+            map.put("b", "bee");
+            map.put("c", "see");
+            map.put("d", "dee");
+//            assertEquals(5, timeStamps.longValue());
+            assertEquals("aye", map.get("a"));
+            assertEquals("bee", map.get("b"));
+            assertEquals("see", map.get("c"));
+            assertEquals("dee", map.get("d"));
+//            assertEquals(9, timeStamps.longValue());
+            assertEquals("aye", map.remove("a"));
+            assertEquals("bee", map.remove("b"));
+            assertEquals("see", map.remove("c"));
+            assertEquals("dee", map.remove("d"));
+//            assertEquals(9, timeStamps.longValue());
+        } finally {
+            map.close();
+            file.delete();
+        }
+
+    }
+
+    private static class StringStringMapEventListener
+            extends MapEventListener<String, String, ChronicleMap<String, String>> {
+        private static final long serialVersionUID = 0L;
+
+        private final AtomicLong timeStamps;
+
+        public StringStringMapEventListener(AtomicLong timeStamps) {
+            this.timeStamps = timeStamps;
+        }
+
+        @Override
+        public void onGetFound(ChronicleMap<String, String> map, Bytes entry, int metaDataBytes,
+                               String key, String value) {
+            assertEquals(8, metaDataBytes);
+            entry.writeLong(0, timeStamps.incrementAndGet());
+        }
+
+        @Override
+        public void onPut(ChronicleMap<String, String> map, Bytes entry, int metaDataBytes,
+                          boolean added, String key, String value, long pos,
+                          SharedSegment segment) {
+            assertEquals(8, metaDataBytes);
+            if (added)
+                assertEquals(0, entry.readLong());
+            entry.writeLong(0, timeStamps.incrementAndGet());
+        }
+
+        @Override
+        public void onRemove(ChronicleMap<String, String> map, Bytes entry, int metaDataBytes,
+                             String key, String value, int pos, SharedSegment segment) {
+            assertEquals(8, metaDataBytes);
+            System.out.println("Removed " + key + "/" + value + " with ts of " + entry.readLong(0));
+        }
+    }
+}