MNEMONIC-483:Construct a test case to verify the reference breaking
diff --git a/bin/test.conf b/bin/test.conf
index 9a5813b..3f4d799 100644
--- a/bin/test.conf
+++ b/bin/test.conf
@@ -19,6 +19,9 @@
mvn -Dtest=DurablePersonNGTest test -pl mnemonic-core -DskipTests=false
# a testcase for module "mnemonic-core" that requires 'pmalloc' memory service to pass
+mvn -Dtest=DurablePersonRefBreakNGTest test -pl mnemonic-core -DskipTests=fal
+
+# a testcase for module "mnemonic-core" that requires 'pmalloc' memory service to pass
mvn -Dtest=NonVolatileMemAllocatorNGTest test -pl mnemonic-core -DskipTests=false
# a testcase for module "mnemonic-core" that requires 'vmem' memory service to pass
diff --git a/mnemonic-core/src/test/java/org/apache/mnemonic/DurablePersonRefBreakNGTest.java b/mnemonic-core/src/test/java/org/apache/mnemonic/DurablePersonRefBreakNGTest.java
new file mode 100644
index 0000000..2ff5b48
--- /dev/null
+++ b/mnemonic-core/src/test/java/org/apache/mnemonic/DurablePersonRefBreakNGTest.java
@@ -0,0 +1,231 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.mnemonic;
+
+import java.nio.ByteBuffer;
+import java.util.Random;
+import java.util.UUID;
+import java.util.zip.CRC32;
+import java.util.zip.Checksum;
+
+import org.apache.commons.lang3.RandomUtils;
+import org.testng.Assert;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+import sun.misc.Unsafe;
+
+@SuppressWarnings("restriction")
+public class DurablePersonRefBreakNGTest {
+ public static String uri = "./pobj_person_refbreak.dat";
+ private long cKEYCAPACITY;
+ private long pic_checksum;
+ private long fp_checksum;
+ private Random rand;
+ private Unsafe unsafe;
+
+ protected DurableBuffer<NonVolatileMemAllocator>
+ genuptBuffer(NonVolatileMemAllocator act, Checksum cs, int size) {
+ DurableBuffer<NonVolatileMemAllocator> ret = null;
+ ret = act.createBuffer(size, false);
+ if (null == ret) {
+ throw new OutOfHybridMemory("Create Durable Buffer Failed.");
+ }
+ ret.get().clear();
+ byte[] rdbytes = RandomUtils.nextBytes(size);
+ Assert.assertNotNull(rdbytes);
+ ret.get().put(rdbytes);
+ cs.update(rdbytes, 0, rdbytes.length);
+ return ret;
+ }
+
+ protected DurableChunk<NonVolatileMemAllocator>
+ genuptChunk(NonVolatileMemAllocator act, Checksum cs, long size) {
+ DurableChunk<NonVolatileMemAllocator> ret = null;
+ ret = act.createChunk(size, false);
+ if (null == ret) {
+ throw new OutOfHybridMemory("Create Durable Chunk Failed.");
+ }
+ byte b;
+ for (int i = 0; i < ret.getSize(); ++i) {
+ b = (byte) rand.nextInt(255);
+ unsafe.putByte(ret.get() + i, b);
+ cs.update(b);
+ }
+ return ret;
+ }
+
+ protected int genRandSize() {
+ return rand.nextInt(1024 * 1024) + 1024 * 1024;
+ }
+
+ @BeforeClass
+ public void setup() throws Exception {
+ rand = Utils.createRandom();
+ unsafe = Utils.getUnsafe();
+ }
+
+ @Test(expectedExceptions = { OutOfHybridMemory.class })
+ public void testGenPeople() throws OutOfHybridMemory, RetrieveDurableEntityError {
+ Random rand = Utils.createRandom();
+ NonVolatileMemAllocator act = new NonVolatileMemAllocator(Utils.getNonVolatileMemoryAllocatorService("pmalloc"),
+ 1024L * 1024 * 1024, uri, true);
+ cKEYCAPACITY = act.handlerCapacity();
+ act.setBufferReclaimer(new Reclaim<ByteBuffer>() {
+ @Override
+ public boolean reclaim(ByteBuffer mres, Long sz) {
+ System.out.println(String.format("Reclaim Memory Buffer: %X Size: %s", System.identityHashCode(mres),
+ null == sz ? "NULL" : sz.toString()));
+ return false;
+ }
+ });
+ act.setChunkReclaimer(new Reclaim<Long>() {
+ @Override
+ public boolean reclaim(Long mres, Long sz) {
+ System.out.println(String.format("Reclaim Memory Chunk: %X Size: %s", System.identityHashCode(mres),
+ null == sz ? "NULL" : sz.toString()));
+ return false;
+ }
+ });
+
+ for (long i = 0; i < cKEYCAPACITY; ++i) {
+ act.setHandler(i, 0L);
+ }
+
+ Person<Integer> mother;
+ Person<Integer> person;
+
+ Checksum pic_cs = new CRC32();
+ pic_cs.reset();
+ Checksum fp_cs = new CRC32();
+ fp_cs.reset();
+
+ long keyidx = 0;
+ long val;
+
+ try {
+ while (true) {
+ // if (keyidx >= KEYCAPACITY) break;
+
+ keyidx %= cKEYCAPACITY;
+
+ System.out.printf("************ Generating People on Key %d ***********\n", keyidx);
+
+ val = act.getHandler(keyidx);
+ if (0L != val) {
+ PersonFactory.restore(act, val, true);
+ }
+ person = PersonFactory.create(act);
+ person.setAge((short) rand.nextInt(50));
+ person.setName(String.format("Name: [%s]", UUID.randomUUID().toString()), true);
+ person.setName(String.format("Name: [%s]", UUID.randomUUID().toString()), true);
+ person.setName(String.format("Name: [%s]", UUID.randomUUID().toString()), true);
+ person.setName(String.format("Name: [%s]", UUID.randomUUID().toString()), true);
+
+ person.setPicture(genuptBuffer(act, pic_cs, genRandSize()), true);
+ person.setPreference(genuptChunk(act, fp_cs, genRandSize()), true);
+
+ act.setHandler(keyidx, person.getHandler());
+ pic_checksum = pic_cs.getValue();
+ fp_checksum = fp_cs.getValue();
+
+ for (int deep = 0; deep < rand.nextInt(100); ++deep) {
+
+ mother = PersonFactory.create(act);
+ mother.setAge((short) (50 + rand.nextInt(50)));
+ mother.setName(String.format("Name: [%s]", UUID.randomUUID().toString()), true);
+ mother.setPicture(genuptBuffer(act, pic_cs, genRandSize()), true);
+ mother.setPreference(genuptChunk(act, fp_cs, genRandSize()), true);
+
+ person.setMother(mother, true);
+ pic_checksum = pic_cs.getValue();
+ fp_checksum = fp_cs.getValue();
+
+ person = mother;
+
+ }
+ ++keyidx;
+ }
+ } finally {
+ act.close();
+ }
+ }
+
+ @Test(dependsOnMethods = { "testGenPeople" })
+ public void testCheckPeople() throws RetrieveDurableEntityError {
+ NonVolatileMemAllocator act = new NonVolatileMemAllocator(Utils.getNonVolatileMemoryAllocatorService("pmalloc"),
+ 1024 * 1024 * 8, uri, false);
+ act.setBufferReclaimer(new Reclaim<ByteBuffer>() {
+ @Override
+ public boolean reclaim(ByteBuffer mres, Long sz) {
+ System.out.println(String.format("Reclaim Memory Buffer: %X Size: %s", System.identityHashCode(mres),
+ null == sz ? "NULL" : sz.toString()));
+ return false;
+ }
+ });
+ act.setChunkReclaimer(new Reclaim<Long>() {
+ @Override
+ public boolean reclaim(Long mres, Long sz) {
+ System.out.println(String.format("Reclaim Memory Chunk: %X Size: %s", System.identityHashCode(mres),
+ null == sz ? "NULL" : sz.toString()));
+ return false;
+ }
+ });
+
+ Checksum pic_cs = new CRC32();
+ pic_cs.reset();
+ Checksum fp_cs = new CRC32();
+ fp_cs.reset();
+ long size;
+ byte[] buf;
+
+ long val;
+ for (long i = 0; i < cKEYCAPACITY; ++i) {
+ System.out.printf("----------Key %d--------------\n", i);
+ val = act.getHandler(i);
+ if (0L == val) {
+ break;
+ }
+ // autoreclaim must set false for reference breaking operation
+ Person<Integer> person = PersonFactory.restore(act, val, false);
+ Person<Integer> init_person = person;
+ while (null != person) {
+ person = person.getMother();
+ }
+ init_person.refbreak(); // intend to release all marked linked objects and depends on autoreclaim flag
+ person = init_person;
+ while (null != person) {
+ person.testOutput();
+ person.getPicture().get().clear();
+ buf = new byte[person.getPicture().get().capacity()];
+ person.getPicture().get().get(buf);
+ pic_cs.update(buf, 0, buf.length);
+ byte b;
+ for (int j = 0; j < person.getPreference().getSize(); ++j) {
+ b = unsafe.getByte(person.getPreference().get() + j);
+ fp_cs.update(b);
+ }
+ person = person.getMother();
+ }
+ }
+
+ act.close();
+ Assert.assertEquals(pic_cs.getValue(), pic_checksum);
+ Assert.assertEquals(fp_cs.getValue(), fp_checksum);
+ }
+}
diff --git a/mnemonic-core/src/test/java/org/apache/mnemonic/Person.java b/mnemonic-core/src/test/java/org/apache/mnemonic/Person.java
index 0f52eaf..a2b92dd 100644
--- a/mnemonic-core/src/test/java/org/apache/mnemonic/Person.java
+++ b/mnemonic-core/src/test/java/org/apache/mnemonic/Person.java
@@ -83,12 +83,14 @@
public abstract void setPreference(DurableChunk<?> mch, boolean destroy);
@DurableGetter
+ @RefBreak
public abstract Person<E> getMother() throws RetrieveDurableEntityError;
@DurableSetter
public abstract void setMother(Person<E> mother, boolean destroy) throws RetrieveDurableEntityError;
@DurableGetter
+ @RefBreak
public abstract Person<E> getFather() throws RetrieveDurableEntityError;
@DurableSetter
