diff options
Diffstat (limited to 'feature-test-transaction/src/main/java')
| -rw-r--r-- | feature-test-transaction/src/main/java/org/onap/policy/drools/testtransaction/TestTransaction.java | 350 |
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(); + } + } |