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authorJim Hahn <jrh3@att.com>2018-06-13 12:23:26 -0400
committerJim Hahn <jrh3@att.com>2018-06-20 15:19:50 -0400
commit0b8f4922ebebcf421fb5bc6c25b22380edef6270 (patch)
treef59e8bdeb2b2bcf0aa4ca8f79c9e253f89c4fb17 /integrity-audit/src/test
parent5c04cdde760ff9f92235f29f8892977853bce864 (diff)
IntegrityAudit - remove latches from non-test code
Change-Id: I5d5cc7d581f78d5551e2fe7447720403bb63ada2 Issue-ID: POLICY-908 Signed-off-by: Jim Hahn <jrh3@att.com>
Diffstat (limited to 'integrity-audit/src/test')
-rw-r--r--integrity-audit/src/test/java/org/onap/policy/common/ia/IntegrityAuditTestBase.java103
1 files changed, 62 insertions, 41 deletions
diff --git a/integrity-audit/src/test/java/org/onap/policy/common/ia/IntegrityAuditTestBase.java b/integrity-audit/src/test/java/org/onap/policy/common/ia/IntegrityAuditTestBase.java
index afbcc452..c9179908 100644
--- a/integrity-audit/src/test/java/org/onap/policy/common/ia/IntegrityAuditTestBase.java
+++ b/integrity-audit/src/test/java/org/onap/policy/common/ia/IntegrityAuditTestBase.java
@@ -22,10 +22,6 @@ package org.onap.policy.common.ia;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
-
-import ch.qos.logback.classic.Level;
-import ch.qos.logback.classic.Logger;
-
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
@@ -34,21 +30,19 @@ import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Properties;
-import java.util.concurrent.BlockingQueue;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
-
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
-
import org.onap.policy.common.utils.jpa.EntityMgrCloser;
import org.onap.policy.common.utils.jpa.EntityMgrFactoryCloser;
import org.onap.policy.common.utils.jpa.EntityTransCloser;
import org.onap.policy.common.utils.test.log.logback.ExtractAppender;
import org.slf4j.LoggerFactory;
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.Logger;
/**
* All JUnits are designed to run in the local development environment where they have write
@@ -464,26 +458,26 @@ public class IntegrityAuditTestBase {
protected void runAudit(MyIntegrityAudit... auditors) throws InterruptedException {
// start an audit cycle on each auditor
- List<CountDownLatch> latches = new ArrayList<>(auditors.length);
+ List<Semaphore> semaphores = new ArrayList<>(auditors.length);
for (MyIntegrityAudit p : auditors) {
- latches.add(p.startAudit());
+ semaphores.add(p.startAudit());
}
// wait for each auditor to complete its cycle
- for (CountDownLatch latch : latches) {
- waitLatch(latch);
+ for (Semaphore sem : semaphores) {
+ waitSem(sem);
}
}
/**
- * Waits for a latch to reach zero.
+ * Waits for a semaphore to be released.
*
- * @param latch the latch to wait for
+ * @param sem the semaphore for which to wait
* @throws InterruptedException if the thread is interrupted
* @throws AssertionError if the latch did not reach zero in the allotted time
*/
- protected void waitLatch(CountDownLatch latch) throws InterruptedException {
- assertTrue(latch.await(WAIT_MS, TimeUnit.SECONDS));
+ protected void waitSem(Semaphore sem) throws InterruptedException {
+ assertTrue(sem.tryAcquire(WAIT_MS, TimeUnit.SECONDS));
}
/**
@@ -520,11 +514,16 @@ public class IntegrityAuditTestBase {
* Manages audits by inserting latches into a queue for the AuditThread to count.
*/
protected class MyIntegrityAudit extends IntegrityAudit {
-
+
+ /**
+ * Semaphore on which the audit thread should wait.
+ */
+ private Semaphore auditSem = null;
+
/**
- * Queue from which the AuditThread will take latches.
+ * Semaphore on which the junit management thread should wait.
*/
- private BlockingQueue<CountDownLatch> queue = null;
+ private Semaphore junitSem = null;
/**
* Constructs an auditor and starts the AuditThread.
@@ -550,16 +549,14 @@ public class IntegrityAuditTestBase {
}
/**
- * Triggers an audit by adding a latch to the queue.
+ * Triggers an audit by releasing the audit thread's semaphore.
*
- * @return the latch that was added
+ * @return the semaphore on which to wait
* @throws InterruptedException if the thread is interrupted
*/
- public CountDownLatch startAudit() throws InterruptedException {
- CountDownLatch latch = new CountDownLatch(1);
- queue.add(latch);
-
- return latch;
+ public Semaphore startAudit() throws InterruptedException {
+ auditSem.release();
+ return junitSem;
}
/**
@@ -567,25 +564,23 @@ public class IntegrityAuditTestBase {
*/
@Override
public final void startAuditThread() throws IntegrityAuditException {
- if (queue != null) {
- // queue up a bogus latch, in case a thread is still running
- queue.add(new CountDownLatch(1) {
- @Override
- public void countDown() {
- throw new RuntimeException("auditor has multiple threads");
- }
- });
+ if (auditSem != null) {
+ // release a bunch of semaphores, in case a thread is still running
+ auditSem.release(1000);
}
+
+ auditSem = new Semaphore(0);
+ junitSem = new Semaphore(0);
+
+ super.startAuditThread();
- queue = new LinkedBlockingQueue<>();
+ if (haveAuditThread()) {
+ // tell the thread it can run
+ auditSem.release();
- if (super.startAuditThread(queue)) {
// wait for the thread to start
- CountDownLatch latch = new CountDownLatch(1);
- queue.add(latch);
-
try {
- waitLatch(latch);
+ waitSem(junitSem);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
@@ -605,5 +600,31 @@ public class IntegrityAuditTestBase {
assertTrue(waitThread(this));
}
+
+ @Override
+ protected AuditThread makeAuditThread(String resourceName2, String persistenceUnit2, Properties properties2,
+ long integrityAuditPeriodMillis2) throws IntegrityAuditException {
+
+ return new AuditThread(resourceName2, persistenceUnit2, properties2, integrityAuditPeriodMillis2, this) {
+
+ private Semaphore auditSem = MyIntegrityAudit.this.auditSem;
+ private Semaphore junitSem = MyIntegrityAudit.this.junitSem;
+
+ @Override
+ public void runStarted() throws InterruptedException {
+ auditSem.acquire();
+
+ junitSem.release();
+ auditSem.acquire();
+ }
+
+ @Override
+ public void auditCompleted() throws InterruptedException {
+ junitSem.release();
+ auditSem.acquire();
+ }
+
+ };
+ }
}
}