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-rw-r--r--feature-test-transaction/src/main/java/org/onap/policy/drools/testtransaction/TestTransaction.java350
1 files changed, 168 insertions, 182 deletions
diff --git a/feature-test-transaction/src/main/java/org/onap/policy/drools/testtransaction/TestTransaction.java b/feature-test-transaction/src/main/java/org/onap/policy/drools/testtransaction/TestTransaction.java
index b167898a..4da6b6ee 100644
--- a/feature-test-transaction/src/main/java/org/onap/policy/drools/testtransaction/TestTransaction.java
+++ b/feature-test-transaction/src/main/java/org/onap/policy/drools/testtransaction/TestTransaction.java
@@ -7,9 +7,9 @@
* 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.
@@ -24,204 +24,190 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
-
-
import org.onap.policy.drools.controller.DroolsController;
-import org.onap.policy.drools.controller.internal.MavenDroolsController;
import org.onap.policy.drools.system.PolicyController;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+
/**
- * TestTransaction interface
+ * TestTransaction interface
*
*/
public interface TestTransaction {
- public static final String TT_FPC = "TT.FPC";
- public static final String TT_COUNTER = "$ttc";
- public static final String TT_UUID = "43868e59-d1f3-43c2-bd6f-86f89a61eea5";
- public static long DEFAULT_TT_TASK_SLEEP = 20000;
-
- public static final TestTransaction manager = new TTImpl();
+ public static final String TT_FPC = "TT.FPC";
+ public static final String TT_COUNTER = "$ttc";
+ public static final String TT_UUID = "43868e59-d1f3-43c2-bd6f-86f89a61eea5";
+ public static long DEFAULT_TT_TASK_SLEEP = 20000;
- public void register(PolicyController controller);
- public void unregister(PolicyController controller);
+ public static final TestTransaction manager = new TTImpl();
+
+ public void register(PolicyController controller);
+
+ public void unregister(PolicyController controller);
}
+
/**
- * Implementation of TestTransaction interface.
- * Controls the registering/unregistering of
- * PolicyController objects and the management
- * of their related TTControllerTask threads.
+ * Implementation of TestTransaction interface. Controls the registering/unregistering of
+ * PolicyController objects and the management of their related TTControllerTask threads.
*/
class TTImpl implements TestTransaction {
-
- final protected Map<String, TTControllerTask> controllers = new HashMap<>();
-
- @Override
- public synchronized void register(PolicyController controller) {
- if (controllers.containsValue(controller)) {
- TTControllerTask controllerTask = controllers.get(controller.getName());
- if (controllerTask.isAlive())
- return;
-
- // continue : unregister, register operation
- }
-
- TTControllerTask controllerTask = new TTControllerTask(controller);
- controllers.put(controller.getName(), controllerTask);
- }
-
- @Override
- public synchronized void unregister(PolicyController controller) {
- if (!controllers.containsValue(controller))
- return;
-
- TTControllerTask controllerTask = controllers.get(controller.getName());
- controllerTask.stop();
-
- controllers.remove(controller.getName());
- }
+
+ final protected Map<String, TTControllerTask> controllers = new HashMap<>();
+
+ @Override
+ public synchronized void register(PolicyController controller) {
+ if (this.controllers.containsValue(controller)) {
+ final TTControllerTask controllerTask = this.controllers.get(controller.getName());
+ if (controllerTask.isAlive())
+ return;
+
+ // continue : unregister, register operation
+ }
+
+ final TTControllerTask controllerTask = new TTControllerTask(controller);
+ this.controllers.put(controller.getName(), controllerTask);
+ }
+
+ @Override
+ public synchronized void unregister(PolicyController controller) {
+ if (!this.controllers.containsValue(controller))
+ return;
+
+ final TTControllerTask controllerTask = this.controllers.get(controller.getName());
+ controllerTask.stop();
+
+ this.controllers.remove(controller.getName());
+ }
}
+
/**
- * TTControllerTask implements the Runnabale interface
- * Carries out the injection of an event into a drools
- * session and subsequent query of a counter to ensure
- * that forward progress is occuring.
- *
+ * TTControllerTask implements the Runnabale interface Carries out the injection of an event into a
+ * drools session and subsequent query of a counter to ensure that forward progress is occuring.
+ *
*/
class TTControllerTask implements Runnable {
- // get an instance of logger
- private static final Logger logger = LoggerFactory.getLogger(TTControllerTask.class);
-
- protected final PolicyController controller;
-
- protected volatile boolean alive = true;
- protected final Thread thread = new Thread(this);
-
- public TTControllerTask(PolicyController controller) {
- this.controller = controller;
- thread.setName("tt-controller-task-" + controller.getName());
- thread.start();
- }
-
- public PolicyController getController() {
- return controller;
- }
-
- public synchronized boolean isAlive() {
- return alive;
- }
-
- public synchronized void stop() {
- this.alive = false;
- thread.interrupt();
- try {
- thread.join(1000);
- } catch (InterruptedException e) {
- logger.error("TestTransaction thread threw", e);
- thread.interrupt();
- }
- }
-
- public Thread getThread() {
- return thread;
- }
-
- @Override
- public void run() {
- try {
- List<String> sessions =
- controller.getDrools().getSessionNames();
-
- if (!(controller.getDrools().isBrained())) {
- alive = false;
- logger.error(this + ": unknown drools controller");
- return;
- }
-
- DroolsController drools = controller.getDrools();
-
- HashMap<String,Long> fpcs = new HashMap<>();
- for (String session: sessions) {
- fpcs.put(session, -1L);
- }
-
- while (controller.isAlive() &&
- !controller.isLocked() &&
- drools.isBrained() &&
- alive) {
-
- for (String session : sessions) {
- List<Object> facts = controller.getDrools().factQuery(session,
- TestTransaction.TT_FPC,
- TestTransaction.TT_COUNTER,
- false);
- if (facts == null || facts.size() != 1) {
- /*
- * unexpected something wrong here, can't expect to recover
- * note this exception is caught right below at the exit of run()
- */
- logger.error("Controller: {}, with rules artifact: (group) {}, (artifact) {}, (version) {} - FPC query failed after EventObject insertion! ",
- controller.getName(),
- controller.getDrools().getGroupId(),
- controller.getDrools().getArtifactId(),
- controller.getDrools().getVersion());
- break;
- }
- logger.debug("Facts: {}", facts);
-
- long fpc = (Long) facts.get(0);
- if (fpc != fpcs.get(session))
- logger.info("Controller: {} , session {} - Forward progress successful: {} -> {}",
- controller.getName(),
- session,
- fpcs.get(session),
- fpc);
- else
- logger.error("Controller: {}, session {} - Forward progress failure: {}",
- controller.getName(),
- session,
- fpc);
-
- fpcs.put(session, fpc);
- drools.getContainer().insert(session, new EventObject(TestTransaction.TT_UUID));
- }
-
- if (!alive)
- return;
-
- if (!Thread.currentThread().isInterrupted())
- Thread.sleep(TestTransaction.DEFAULT_TT_TASK_SLEEP);
- }
- } catch (InterruptedException e) {
- logger.info("{}: stopping ...", this, e);
- }
- catch (IllegalArgumentException e) {
- logger.error("{}: controller {} has not been enabled for testing: ", this, controller.getName(), e.getMessage());
- } catch (Exception e) {
- logger.error("Controller: {} is not testable - TestTransaction caught exception: {} ",
- controller.getName(),
- e.getMessage());
- logger.error("TestTransaction thread threw", e);
- } finally {
- logger.info("Exiting: {}", this);
- alive = false;
- }
- }
-
- @Override
- public String toString() {
- StringBuilder builder = new StringBuilder();
- builder.append("TTControllerTask [controller=");
- builder.append(controller);
- builder.append(", alive=");
- builder.append(alive);
- builder.append(", thread=");
- builder.append(thread.getName());
- builder.append("]");
- return builder.toString();
- }
-
+ // get an instance of logger
+ private static final Logger logger = LoggerFactory.getLogger(TTControllerTask.class);
+
+ protected final PolicyController controller;
+
+ protected volatile boolean alive = true;
+ protected final Thread thread = new Thread(this);
+
+ public TTControllerTask(PolicyController controller) {
+ this.controller = controller;
+ this.thread.setName("tt-controller-task-" + controller.getName());
+ this.thread.start();
+ }
+
+ public PolicyController getController() {
+ return this.controller;
+ }
+
+ public synchronized boolean isAlive() {
+ return this.alive;
+ }
+
+ public synchronized void stop() {
+ this.alive = false;
+ this.thread.interrupt();
+ try {
+ this.thread.join(1000);
+ } catch (final InterruptedException e) {
+ logger.error("TestTransaction thread threw", e);
+ this.thread.interrupt();
+ }
+ }
+
+ public Thread getThread() {
+ return this.thread;
+ }
+
+ @Override
+ public void run() {
+ try {
+ final List<String> sessions = this.controller.getDrools().getSessionNames();
+
+ if (!(this.controller.getDrools().isBrained())) {
+ this.alive = false;
+ logger.error(this + ": unknown drools controller");
+ return;
+ }
+
+ final DroolsController drools = this.controller.getDrools();
+
+ final HashMap<String, Long> fpcs = new HashMap<>();
+ for (final String session : sessions) {
+ fpcs.put(session, -1L);
+ }
+
+ while (this.controller.isAlive() && !this.controller.isLocked() && drools.isBrained()
+ && this.alive) {
+
+ for (final String session : sessions) {
+ final List<Object> facts = this.controller.getDrools().factQuery(session,
+ TestTransaction.TT_FPC, TestTransaction.TT_COUNTER, false);
+ if (facts == null || facts.size() != 1) {
+ /*
+ * unexpected something wrong here, can't expect to recover note this exception is
+ * caught right below at the exit of run()
+ */
+ logger.error(
+ "Controller: {}, with rules artifact: (group) {}, (artifact) {}, (version) {} - FPC query failed after EventObject insertion! ",
+ this.controller.getName(), this.controller.getDrools().getGroupId(),
+ this.controller.getDrools().getArtifactId(),
+ this.controller.getDrools().getVersion());
+ break;
+ }
+ logger.debug("Facts: {}", facts);
+
+ final long fpc = (Long) facts.get(0);
+ if (fpc != fpcs.get(session))
+ logger.info("Controller: {} , session {} - Forward progress successful: {} -> {}",
+ this.controller.getName(), session, fpcs.get(session), fpc);
+ else
+ logger.error("Controller: {}, session {} - Forward progress failure: {}",
+ this.controller.getName(), session, fpc);
+
+ fpcs.put(session, fpc);
+ drools.getContainer().insert(session, new EventObject(TestTransaction.TT_UUID));
+ }
+
+ if (!this.alive)
+ return;
+
+ if (!Thread.currentThread().isInterrupted())
+ Thread.sleep(TestTransaction.DEFAULT_TT_TASK_SLEEP);
+ }
+ } catch (final InterruptedException e) {
+ logger.info("{}: stopping ...", this, e);
+ } catch (final IllegalArgumentException e) {
+ logger.error("{}: controller {} has not been enabled for testing: ", this,
+ this.controller.getName(), e.getMessage());
+ } catch (final Exception e) {
+ logger.error("Controller: {} is not testable - TestTransaction caught exception: {} ",
+ this.controller.getName(), e.getMessage());
+ logger.error("TestTransaction thread threw", e);
+ } finally {
+ logger.info("Exiting: {}", this);
+ this.alive = false;
+ }
+ }
+
+ @Override
+ public String toString() {
+ final StringBuilder builder = new StringBuilder();
+ builder.append("TTControllerTask [controller=");
+ builder.append(this.controller);
+ builder.append(", alive=");
+ builder.append(this.alive);
+ builder.append(", thread=");
+ builder.append(this.thread.getName());
+ builder.append("]");
+ return builder.toString();
+ }
+
}