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authorPatrick Brady <pb071s@att.com>2017-06-01 10:45:37 -0700
committerPatrick Brady <pb071s@att.com>2017-06-02 13:05:15 -0700
commitc7d0075d223eab9f89fd28853c4b138792059be9 (patch)
tree40aa3e41e598ea7a59bcf6899a2004c1abab11c2 /appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java
parent8aac2df744820304ee29354333661699e9695939 (diff)
Merge of new rebased code
Change-Id: I9b8d1f69eb3e0af1935ed8304fea4bf54c1aac47 Signed-off-by: Patrick Brady <pb071s@att.com>
Diffstat (limited to 'appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java')
-rw-r--r--appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/MySqlLockManagerMock.java150
-rw-r--r--appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/TestMySqlLockManager.java121
2 files changed, 271 insertions, 0 deletions
diff --git a/appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/MySqlLockManagerMock.java b/appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/MySqlLockManagerMock.java
new file mode 100644
index 000000000..a94dc18e4
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/MySqlLockManagerMock.java
@@ -0,0 +1,150 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.lockmanager.impl.sql.pessimistic;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+import org.openecomp.appc.lockmanager.api.LockRuntimeException;
+import org.openecomp.appc.lockmanager.impl.sql.Synchronizer;
+import org.openecomp.appc.lockmanager.impl.sql.SynchronizerReceiver;
+import org.openecomp.appc.lockmanager.impl.sql.pessimistic.LockRecord;
+import org.openecomp.appc.lockmanager.impl.sql.pessimistic.MySqlLockManager;
+
+class MySqlLockManagerMock extends MySqlLockManager implements SynchronizerReceiver {
+
+ private final Map<String, LockRecord> locks = new HashMap<>();
+ private final Lock lock = new ReentrantLock();
+ private boolean useReal;
+ private Synchronizer synchronizer;
+
+ MySqlLockManagerMock(boolean useReal) {
+ this.useReal = useReal;
+ }
+
+ @Override
+ public void setSynchronizer(Synchronizer synchronizer) {
+ this.synchronizer = synchronizer;
+ }
+
+ @Override
+ protected Connection openDbConnection() {
+ if(useReal) {
+ return super.openDbConnection();
+ }
+ return null;
+ }
+
+ @Override
+ protected void closeDbConnection(Connection connection) {
+ if(useReal) {
+ super.closeDbConnection(connection);
+ }
+ }
+
+ @Override
+ protected LockRecord loadLockRecord(Connection connection, String resource) throws SQLException {
+ LockRecord res;
+ if(useReal) {
+ res = super.loadLockRecord(connection, resource);
+ } else {
+ res = locks.get(resource);
+ }
+ if(synchronizer != null) {
+ synchronizer.postLoadLockRecord(resource, (res == null) ? null : res.getOwner());
+ }
+ return res;
+ }
+
+ @Override
+ protected void addLockRecord(Connection connection, String resource, String owner, long timeout) throws SQLException {
+ if(synchronizer != null) {
+ synchronizer.preAddLockRecord(resource, owner);
+ }
+ try {
+ if(useReal) {
+ super.addLockRecord(connection, resource, owner, timeout);
+ return;
+ }
+ LockRecord lockRecord = new LockRecord(resource);
+ lockRecord.setOwner(owner);
+ lockRecord.setUpdated(System.currentTimeMillis());
+ lockRecord.setTimeout(timeout);
+ locks.put(resource, lockRecord);
+ } finally {
+ if(synchronizer != null) {
+ synchronizer.postAddLockRecord(resource, owner);
+ }
+ }
+ }
+
+ @Override
+ protected void updateLockRecord(Connection connection, String resource, String owner, long timeout) throws SQLException {
+ if(synchronizer != null) {
+ synchronizer.preUpdateLockRecord(resource, owner);
+ }
+ try {
+ if(useReal) {
+ super.updateLockRecord(connection, resource, owner, timeout);
+ return;
+ }
+ LockRecord lockRecord = loadLockRecord(connection, resource);
+ lockRecord.setOwner(owner);
+ lockRecord.setUpdated(System.currentTimeMillis());
+ lockRecord.setTimeout(timeout);
+ locks.put(resource, lockRecord);
+ } finally {
+ if(synchronizer != null) {
+ synchronizer.postUpdateLockRecord(resource, owner);
+ }
+ }
+ }
+
+ @Override
+ protected void enterCriticalSection(Connection connection, String resource) {
+ if(useReal) {
+ super.enterCriticalSection(connection, resource);
+ return;
+ }
+ try {
+ if(!lock.tryLock(criticalSectionWaitTimeoutSecs, TimeUnit.SECONDS)) {
+ throw new LockRuntimeException("Cannot obtain critical section lock for resource [" + resource + "].");
+ }
+ } catch(InterruptedException e) {
+ throw new LockRuntimeException("Cannot obtain critical section lock.", e);
+ }
+ }
+
+ @Override
+ protected void leaveCriticalSection(Connection connection, String resource) {
+ if(useReal) {
+ super.leaveCriticalSection(connection, resource);
+ return;
+ }
+ lock.unlock();
+ }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/TestMySqlLockManager.java b/appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/TestMySqlLockManager.java
new file mode 100644
index 000000000..cf8781b13
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/lock-manager-lib/lock-manager-impl/src/test/java/org/openecomp/appc/lockmanager/impl/sql/pessimistic/TestMySqlLockManager.java
@@ -0,0 +1,121 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.lockmanager.impl.sql.pessimistic;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openecomp.appc.lockmanager.api.LockException;
+import org.openecomp.appc.lockmanager.api.LockRuntimeException;
+import org.openecomp.appc.lockmanager.impl.sql.JdbcLockManager;
+import org.openecomp.appc.lockmanager.impl.sql.MySqlLockManagerBaseTests;
+import org.openecomp.appc.lockmanager.impl.sql.Synchronizer;
+import org.openecomp.appc.lockmanager.impl.sql.pessimistic.MySqlLockManager;
+
+import java.util.concurrent.*;
+
+public class TestMySqlLockManager extends MySqlLockManagerBaseTests {
+
+ private static int CRITICAL_SECTION_WAIT_TIMEOUT = 1; // in secs
+
+ @Override
+ protected JdbcLockManager createJdbcLockManager(boolean useReal) {
+ return new MySqlLockManagerMock(useReal);
+ }
+
+ @Test
+ public void testConcurrentLock() throws LockException, InterruptedException, ExecutionException, TimeoutException {
+ try {
+ callConcurrentTest(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ try {
+ Assert.assertTrue(lockManager.acquireLock(Resource.Resource1.name(), Owner.A.name()));
+ return true;
+ } catch(LockRuntimeException e) {
+ Assert.assertEquals("Cannot obtain critical section lock for resource [" + Resource.Resource1.name() + "].", e.getMessage());
+ return false;
+ }
+ }
+ });
+ } finally {
+ lockManager.releaseLock(Resource.Resource1.name(), Owner.A.name());
+ }
+ }
+
+ @Test
+ public void testConcurrentUnlock() throws LockException, InterruptedException, ExecutionException, TimeoutException {
+ lockManager.acquireLock(Resource.Resource1.name(), Owner.A.name());
+ callConcurrentTest(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ try {
+ lockManager.releaseLock(Resource.Resource1.name(), Owner.A.name());
+ return true;
+ } catch(LockRuntimeException e) {
+ Assert.assertEquals("Cannot obtain critical section lock for resource [" + Resource.Resource1.name() + "].", e.getMessage());
+ return false;
+ }
+ }
+ });
+ }
+
+ private void callConcurrentTest(Callable<Boolean> callable) throws LockException, InterruptedException, ExecutionException, TimeoutException {
+ final int participantsNo = 2;
+ Synchronizer synchronizer = new Synchronizer(participantsNo) {
+
+ @Override
+ protected void waitForAllParticipants(Object waitObj, int totalParticipantsNo, int currentParticipantsNo) {
+ waitOn(this, TimeUnit.MILLISECONDS.convert(1 + CRITICAL_SECTION_WAIT_TIMEOUT, TimeUnit.SECONDS)); // add 1 sec to make sure timeout occured
+ }
+ };
+ if(!setSynchronizer(synchronizer)) {
+ return;
+ }
+ ((MySqlLockManager)lockManager).setCriticalSectionWaitTimeoutSecs(CRITICAL_SECTION_WAIT_TIMEOUT);
+ ExecutorService executor = Executors.newFixedThreadPool(participantsNo);
+ Future<Boolean> future1 = executor.submit(callable);
+ try {
+ for(int i = 0; i < 10; i++) {
+ Thread.sleep(100);
+ if(synchronizer.getParticipantCount() > 0) {
+ break;
+ }
+ }
+ // make sure 1st thread gets inside critical section
+ if(synchronizer.getParticipantCount() < 1) {
+ Assert.fail(getClass().getName() + " first thread failed to acquireLock()");
+ }
+ Future<Boolean> future2 = executor.submit(callable);
+ try {
+ // 1st thread should acquire the lock
+ Assert.assertTrue(future1.get(3 + CRITICAL_SECTION_WAIT_TIMEOUT, TimeUnit.SECONDS));
+ // 2nd thread should fail waiting for critical section
+ Assert.assertFalse(future2.get(2 + CRITICAL_SECTION_WAIT_TIMEOUT, TimeUnit.SECONDS));
+ } finally {
+ future2.cancel(true);
+ }
+ } finally {
+ future1.cancel(true);
+ setSynchronizer(null);
+ }
+ }
+}