New Chronicle-Map

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

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+/*
+ * 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 org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.IOException;
+import java.net.InetSocketAddress;
+
+import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Test ReplicatedChronicleMap where the Replicated is over a TCP Socket, but with 4 nodes
+ *
+ * @author Rob Austin.
+ */
+public class SingleMapClusterTest {
+
+    private ChronicleMap<Integer, CharSequence> map1a;
+
+    private ChronicleMap<Integer, CharSequence> map1b;
+
+    private ReplicatingCluster clusterB;
+    private ReplicatingCluster clusterA;
+
+    private ReplicatingClusterBuilder replicatingClusterBuilder;
+    private ReplicatingClusterBuilder replicatingClusterBuilder1;
+
+
+    public static File getPersistenceFile() {
+        String TMP = System.getProperty("java.io.tmpdir");
+        File file = new File(TMP + "/test" + System.nanoTime());
+        file.deleteOnExit();
+        return file;
+    }
+
+
+    @Before
+    public void setup() throws IOException {
+
+        {
+            final TcpReplicationConfig tcpReplicationConfig =
+                    TcpReplicationConfig.of(8086, new InetSocketAddress("localhost", 8087))
+                            .heartBeatInterval(1, SECONDS);
+
+            clusterA = new ReplicatingClusterBuilder((byte) 1, 1024)
+                    .tcpReplication(tcpReplicationConfig).create();
+            // this is how you add maps after the custer is created
+            map1a = ChronicleMapBuilder.of(Integer.class, CharSequence.class)
+                    .entries(1000)
+                    .addReplicator(clusterA.channelReplicator((short) 1))
+                    .create(getPersistenceFile());
+        }
+
+
+        {
+
+            final TcpReplicationConfig replicationConfig =
+                    TcpReplicationConfig.of(8087).heartBeatInterval(1, SECONDS);
+
+            clusterB = new ReplicatingClusterBuilder((byte) 2, 1024)
+                    .tcpReplication(replicationConfig).create();
+            // this is how you add maps after the custer is created
+            map1b = ChronicleMapBuilder.of(Integer.class, CharSequence.class)
+                    .addReplicator(clusterB.channelReplicator((short) 1))
+                    .entries(1000)
+                    .create(getPersistenceFile());
+        }
+    }
+
+    @After
+    public void tearDown() throws InterruptedException {
+
+        for (final Closeable closeable : new Closeable[]{clusterA, clusterB}) {
+            try {
+                closeable.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+
+    @Test
+    public void test() throws IOException, InterruptedException {
+
+        // todo remove this sleep
+
+
+        map1a.put(1, "EXAMPLE-1");
+
+        // allow time for the recompilation to resolve
+        waitTillEqual(2500);
+
+        Assert.assertEquals("map1a=map1b", map1a, map1b);
+
+
+        assertTrue("map1a.empty", !map1a.isEmpty());
+
+
+    }
+
+
+    /**
+     * waits until map1 and map2 show the same value
+     *
+     * @param timeOutMs timeout in milliseconds
+     * @throws InterruptedException
+     */
+
+    private void waitTillEqual(final int timeOutMs) throws InterruptedException {
+        for (int t = 0; t < timeOutMs; t++) {
+            if (map1a.equals(map1b))
+
+                break;
+            Thread.sleep(1);
+        }
+
+    }
+
+}
+
+
+