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From bschucha...@apache.org
Subject [44/48] geode git commit: GEODE-3047 Atomic creation flag is not set if the region is recoverd from the disk.
Date Tue, 22 Aug 2017 22:36:46 GMT
GEODE-3047 Atomic creation flag is not set if the region is recoverd from the disk.

While creating bucket region, to satisfy the redudndancy copies the bucket regions
are created on all vailable nodes. The initialization (setting persistentIDs) of
these buckets are done after creating buckets on all the nodes. This introduced
a race condition for the bucket region which are recovered from the disk to
exchange thier old id with the peer node resulting in ConflictingPersistentData
Exception.

The changes are done so that the regions persistent ids are set as soon as they
are created/initialized.


Project: http://git-wip-us.apache.org/repos/asf/geode/repo
Commit: http://git-wip-us.apache.org/repos/asf/geode/commit/35d3a97e
Tree: http://git-wip-us.apache.org/repos/asf/geode/tree/35d3a97e
Diff: http://git-wip-us.apache.org/repos/asf/geode/diff/35d3a97e

Branch: refs/heads/feature/GEODE-3447
Commit: 35d3a97edd5c6e8b3f4dd73af51771b0c4728cf6
Parents: e2c3d53
Author: Anil <agingade@pivotal.io>
Authored: Thu Aug 17 16:29:57 2017 -0700
Committer: Anil <agingade@pivotal.io>
Committed: Tue Aug 22 14:19:16 2017 -0700

----------------------------------------------------------------------
 .../cache/BucketPersistenceAdvisor.java         |  7 +++
 .../cache/BucketPersistenceAdvisorTest.java     | 56 ++++++++++++++++++++
 2 files changed, 63 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/geode/blob/35d3a97e/geode-core/src/main/java/org/apache/geode/internal/cache/BucketPersistenceAdvisor.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/internal/cache/BucketPersistenceAdvisor.java
b/geode-core/src/main/java/org/apache/geode/internal/cache/BucketPersistenceAdvisor.java
index 367bb75..423fb64 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/cache/BucketPersistenceAdvisor.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/cache/BucketPersistenceAdvisor.java
@@ -463,7 +463,14 @@ public class BucketPersistenceAdvisor extends PersistenceAdvisorImpl
{
     super.setOnline(false, true, newId);
   }
 
+  public boolean isAtomicCreation() {
+    return this.atomicCreation;
+  }
+
   public void setAtomicCreation(boolean atomicCreation) {
+    if (getPersistentID() != null) {
+      return;
+    }
     synchronized (lock) {
       this.atomicCreation = atomicCreation;
     }

http://git-wip-us.apache.org/repos/asf/geode/blob/35d3a97e/geode-core/src/test/java/org/apache/geode/internal/cache/BucketPersistenceAdvisorTest.java
----------------------------------------------------------------------
diff --git a/geode-core/src/test/java/org/apache/geode/internal/cache/BucketPersistenceAdvisorTest.java
b/geode-core/src/test/java/org/apache/geode/internal/cache/BucketPersistenceAdvisorTest.java
new file mode 100644
index 0000000..d97f3e4
--- /dev/null
+++ b/geode-core/src/test/java/org/apache/geode/internal/cache/BucketPersistenceAdvisorTest.java
@@ -0,0 +1,56 @@
+/*
+ * 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.geode.internal.cache;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import org.apache.geode.distributed.DistributedLockService;
+import org.apache.geode.internal.cache.PartitionedRegion.BucketLock;
+import org.apache.geode.internal.cache.persistence.PersistentMemberID;
+import org.apache.geode.internal.cache.persistence.PersistentMemberManager;
+import org.apache.geode.internal.cache.persistence.PersistentMemberView;
+import org.apache.geode.test.junit.categories.UnitTest;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import static org.junit.Assert.*;
+
+@Category(UnitTest.class)
+public class BucketPersistenceAdvisorTest {
+
+  @Test
+  public void shouldBeMockable() throws Exception {
+    BucketPersistenceAdvisor mockBucketAdvisor = mock(BucketPersistenceAdvisor.class);
+    when(mockBucketAdvisor.isRecovering()).thenReturn(true);
+    assertTrue(mockBucketAdvisor.isRecovering());
+  }
+
+  @Test
+  public void atomicCreationShouldNotBeSetForPersistentRegion() throws Exception {
+    PersistentMemberID mockPersistentID = mock(PersistentMemberID.class);
+    PersistentMemberView mockStorage = mock(PersistentMemberView.class);
+    when(mockStorage.getMyPersistentID()).thenReturn(mockPersistentID);
+
+    BucketPersistenceAdvisor bpa = new BucketPersistenceAdvisor(
+        mock(CacheDistributionAdvisor.class), mock(DistributedLockService.class), mockStorage,
+        "/region", mock(DiskRegionStats.class), mock(PersistentMemberManager.class),
+        mock(BucketLock.class), mock(ProxyBucketRegion.class));
+    bpa.setAtomicCreation(true);
+    assertFalse(bpa.isAtomicCreation());
+  }
+
+}


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