Fix checkstyle issues in apex model basic

CHeckstyle issues in apex model basic and knock on changes
in other apex modules.

Issue-ID: POLICY-1034
Change-Id: I65823f5e2e344526abc74b0812877113acb056ec
Signed-off-by: liamfallon <liam.fallon@ericsson.com>

4 files changed, 90 insertions, 90 deletions

diff --git a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/engdep/EngDepMessageListener.java b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/engdep/EngDepMessageListener.java
index 1bc88a409..3840e915d 100644
--- a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/engdep/EngDepMessageListener.java
+++ b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/engdep/EngDepMessageListener.java
@@ -203,90 +203,90 @@ public class EngDepMessageListener implements MessageListener<Message>, Runnable
             switch (enDepAction) {
                 case GET_ENGINE_SERVICE_INFO:
                     final GetEngineServiceInfo engineServiceInformationMessage = (GetEngineServiceInfo) message;
-                    LOGGER.debug("getting engine service information for engine service " + apexService.getKey().getID()
+                    LOGGER.debug("getting engine service information for engine service " + apexService.getKey().getId()
                             + " . . .");
                     // Send a reply with the engine service information
                     sendServiceInfoReply(webSocket, engineServiceInformationMessage, apexService.getKey(),
                             apexService.getEngineKeys(), apexService.getApexModelKey());
                     LOGGER.debug(
-                            "returned engine service information for engine service " + apexService.getKey().getID());
+                            "returned engine service information for engine service " + apexService.getKey().getId());
                     break;
 
                 case UPDATE_MODEL:
                     final UpdateModel updateModelMessage = (UpdateModel) message;
-                    LOGGER.debug("updating model in engine {} . . .", updateModelMessage.getTarget().getID());
+                    LOGGER.debug("updating model in engine {} . . .", updateModelMessage.getTarget().getId());
                     // Update the model
                     apexService.updateModel(updateModelMessage.getTarget(), updateModelMessage.getMessageData(),
                             updateModelMessage.isForceInstall());
                     // Send a reply indicating the message action worked
                     sendReply(webSocket, updateModelMessage, true,
-                            "updated model in engine " + updateModelMessage.getTarget().getID());
-                    LOGGER.debug("updated model in engine service {}", updateModelMessage.getTarget().getID());
+                            "updated model in engine " + updateModelMessage.getTarget().getId());
+                    LOGGER.debug("updated model in engine service {}", updateModelMessage.getTarget().getId());
                     break;
 
                 case START_ENGINE:
                     final StartEngine startEngineMessage = (StartEngine) message;
-                    LOGGER.debug("starting engine {} . . .", startEngineMessage.getTarget().getID());
+                    LOGGER.debug("starting engine {} . . .", startEngineMessage.getTarget().getId());
                     // Start the engine
                     apexService.start(startEngineMessage.getTarget());
                     // Send a reply indicating the message action worked
                     sendReply(webSocket, startEngineMessage, true,
-                            "started engine " + startEngineMessage.getTarget().getID());
-                    LOGGER.debug("started engine {}", startEngineMessage.getTarget().getID());
+                            "started engine " + startEngineMessage.getTarget().getId());
+                    LOGGER.debug("started engine {}", startEngineMessage.getTarget().getId());
                     break;
 
                 case STOP_ENGINE:
                     final StopEngine stopEngineMessage = (StopEngine) message;
-                    LOGGER.debug("stopping engine {} . . .", stopEngineMessage.getTarget().getID());
+                    LOGGER.debug("stopping engine {} . . .", stopEngineMessage.getTarget().getId());
                     // Stop the engine
                     apexService.stop(stopEngineMessage.getTarget());
                     // Send a reply indicating the message action worked
                     sendReply(webSocket, stopEngineMessage, true,
-                            "stopped engine " + stopEngineMessage.getTarget().getID());
-                    LOGGER.debug("stopping engine {}", stopEngineMessage.getTarget().getID());
+                            "stopped engine " + stopEngineMessage.getTarget().getId());
+                    LOGGER.debug("stopping engine {}", stopEngineMessage.getTarget().getId());
                     break;
 
                 case START_PERIODIC_EVENTS:
                     final StartPeriodicEvents startPeriodicEventsMessage = (StartPeriodicEvents) message;
                     LOGGER.debug("starting periodic events on engine {} . . .",
-                            startPeriodicEventsMessage.getTarget().getID());
+                            startPeriodicEventsMessage.getTarget().getId());
                     // Start periodic events with the period specified in the message
                     final Long period = Long.parseLong(startPeriodicEventsMessage.getMessageData());
                     apexService.startPeriodicEvents(period);
                     // Send a reply indicating the message action worked
                     sendReply(webSocket, startPeriodicEventsMessage, true, "started periodic events on engine "
-                            + startPeriodicEventsMessage.getTarget().getID() + " with period " + period);
-                    LOGGER.debug("started periodic events on engine " + startPeriodicEventsMessage.getTarget().getID()
+                            + startPeriodicEventsMessage.getTarget().getId() + " with period " + period);
+                    LOGGER.debug("started periodic events on engine " + startPeriodicEventsMessage.getTarget().getId()
                             + " with period " + period);
                     break;
 
                 case STOP_PERIODIC_EVENTS:
                     final StopPeriodicEvents stopPeriodicEventsMessage = (StopPeriodicEvents) message;
                     LOGGER.debug("stopping periodic events on engine {} . . .",
-                            stopPeriodicEventsMessage.getTarget().getID());
+                            stopPeriodicEventsMessage.getTarget().getId());
                     // Stop periodic events
                     apexService.stopPeriodicEvents();
                     // Send a reply indicating the message action worked
                     sendReply(webSocket, stopPeriodicEventsMessage, true,
-                            "stopped periodic events on engine " + stopPeriodicEventsMessage.getTarget().getID());
-                    LOGGER.debug("stopped periodic events on engine " + stopPeriodicEventsMessage.getTarget().getID());
+                            "stopped periodic events on engine " + stopPeriodicEventsMessage.getTarget().getId());
+                    LOGGER.debug("stopped periodic events on engine " + stopPeriodicEventsMessage.getTarget().getId());
                     break;
 
                 case GET_ENGINE_STATUS:
                     final GetEngineStatus getEngineStatusMessage = (GetEngineStatus) message;
-                    LOGGER.debug("getting status for engine{} . . .", getEngineStatusMessage.getTarget().getID());
+                    LOGGER.debug("getting status for engine{} . . .", getEngineStatusMessage.getTarget().getId());
                     // Send a reply with the engine status
                     sendReply(webSocket, getEngineStatusMessage, true,
                             apexService.getStatus(getEngineStatusMessage.getTarget()));
-                    LOGGER.debug("returned status for engine {}", getEngineStatusMessage.getTarget().getID());
+                    LOGGER.debug("returned status for engine {}", getEngineStatusMessage.getTarget().getId());
                     break;
 
                 case GET_ENGINE_INFO:
                     final GetEngineInfo getEngineInfo = (GetEngineInfo) message;
-                    LOGGER.debug("getting runtime information for engine {} . . .", getEngineInfo.getTarget().getID());
+                    LOGGER.debug("getting runtime information for engine {} . . .", getEngineInfo.getTarget().getId());
                     // Send a reply with the engine runtime information
                     sendReply(webSocket, getEngineInfo, true, apexService.getRuntimeInfo(getEngineInfo.getTarget()));
-                    LOGGER.debug("returned runtime information for engine {}", getEngineInfo.getTarget().getID());
+                    LOGGER.debug("returned runtime information for engine {}", getEngineInfo.getTarget().getId());
                     break;
                 case RESPONSE:
                     throw new ApexException("RESPONSE action on received message not handled by engine");
diff --git a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/event/impl/jsonprotocolplugin/Apex2JSONEventConverter.java b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/event/impl/jsonprotocolplugin/Apex2JSONEventConverter.java
index 21e4cd122..30e9db722 100644
--- a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/event/impl/jsonprotocolplugin/Apex2JSONEventConverter.java
+++ b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/event/impl/jsonprotocolplugin/Apex2JSONEventConverter.java
@@ -176,7 +176,7 @@ public class Apex2JSONEventConverter implements ApexEventProtocolConverter {
 
             if (!apexEvent.containsKey(fieldName)) {
                 if (!eventField.getOptional()) {
-                    final String errorMessage = "error parsing " + eventDefinition.getID() + " event to Json. "
+                    final String errorMessage = "error parsing " + eventDefinition.getId() + " event to Json. "
                             + "Field \"" + fieldName + "\" is missing, but is mandatory. Fields: " + apexEvent;
                     LOGGER.debug(errorMessage);
                     throw new ApexEventRuntimeException(errorMessage);
@@ -240,7 +240,7 @@ public class Apex2JSONEventConverter implements ApexEventProtocolConverter {
             final String fieldName = eventField.getKey().getLocalName();
             if (!hasJSONField(jsonObject, fieldName)) {
                 if (!eventField.getOptional()) {
-                    final String errorMessage = "error parsing " + eventDefinition.getID() + " event from Json. "
+                    final String errorMessage = "error parsing " + eventDefinition.getId() + " event from Json. "
                             + "Field \"" + fieldName + "\" is missing, but is mandatory.";
                     LOGGER.debug(errorMessage);
                     throw new ApexEventException(errorMessage);
diff --git a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineServiceImpl.java b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineServiceImpl.java
index ee5f9ae72..d5cb05507 100644
--- a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineServiceImpl.java
+++ b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineServiceImpl.java
@@ -113,7 +113,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
             final AxArtifactKey engineWorkerKey =
                     new AxArtifactKey(engineServiceKey.getName() + '-' + engineCounter, engineServiceKey.getVersion());
             engineWorkerMap.put(engineWorkerKey, new EngineWorker(engineWorkerKey, queue, atFactory));
-            LOGGER.info("Created apex engine {} .", engineWorkerKey.getID());
+            LOGGER.info("Created apex engine {} .", engineWorkerKey.getId());
         }
 
         LOGGER.info("APEX service created.");
@@ -272,9 +272,9 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
         // Check if the Apex model specified is sane
         if (apexModelString == null || apexModelString.trim().length() == 0) {
             LOGGER.warn(
-                    "model for updating on engine service with key " + incomingEngineServiceKey.getID() + " is empty");
+                    "model for updating on engine service with key " + incomingEngineServiceKey.getId() + " is empty");
             throw new ApexException(
-                    "model for updating on engine service with key " + incomingEngineServiceKey.getID() + " is empty");
+                    "model for updating on engine service with key " + incomingEngineServiceKey.getId() + " is empty");
         }
 
         // Read the Apex model into memory using the Apex Model Reader
@@ -283,14 +283,14 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
             final ApexModelReader<AxPolicyModel> modelReader = new ApexModelReader<>(AxPolicyModel.class);
             apexPolicyModel = modelReader.read(new ByteArrayInputStream(apexModelString.getBytes()));
         } catch (final ApexModelException e) {
-            LOGGER.error("failed to unmarshal the apex model on engine service " + incomingEngineServiceKey.getID(), e);
+            LOGGER.error("failed to unmarshal the apex model on engine service " + incomingEngineServiceKey.getId(), e);
             throw new ApexException(
-                    "failed to unmarshal the apex model on engine service " + incomingEngineServiceKey.getID(), e);
+                    "failed to unmarshal the apex model on engine service " + incomingEngineServiceKey.getId(), e);
         }
 
         if (apexPolicyModel == null) {
-            LOGGER.error("apex model null on engine service " + incomingEngineServiceKey.getID());
-            throw new ApexException("apex model null on engine service " + incomingEngineServiceKey.getID());
+            LOGGER.error("apex model null on engine service " + incomingEngineServiceKey.getId());
+            throw new ApexException("apex model null on engine service " + incomingEngineServiceKey.getId());
         }
 
         // Update the model
@@ -315,17 +315,17 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
         // Check if the Apex model specified is sane
         if (apexModel == null) {
             LOGGER.warn(
-                    "model for updating on engine service with key " + incomingEngineServiceKey.getID() + " is null");
+                    "model for updating on engine service with key " + incomingEngineServiceKey.getId() + " is null");
             throw new ApexException(
-                    "model for updating on engine service with key " + incomingEngineServiceKey.getID() + " is null");
+                    "model for updating on engine service with key " + incomingEngineServiceKey.getId() + " is null");
         }
 
         // Check if the key on the update request is correct
         if (!this.engineServiceKey.equals(incomingEngineServiceKey)) {
-            LOGGER.warn("engine service key " + incomingEngineServiceKey.getID() + " does not match the key"
-                    + engineServiceKey.getID() + " of this engine service");
-            throw new ApexException("engine service key " + incomingEngineServiceKey.getID() + " does not match the key"
-                    + engineServiceKey.getID() + " of this engine service");
+            LOGGER.warn("engine service key " + incomingEngineServiceKey.getId() + " does not match the key"
+                    + engineServiceKey.getId() + " of this engine service");
+            throw new ApexException("engine service key " + incomingEngineServiceKey.getId() + " does not match the key"
+                    + engineServiceKey.getId() + " of this engine service");
         }
 
         // Check model compatibility
@@ -334,14 +334,14 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
             final AxPolicyModel currentModel = ModelService.getModel(AxPolicyModel.class);
             if (!currentModel.getKey().isCompatible(apexModel.getKey())) {
                 if (forceFlag) {
-                    LOGGER.warn("apex model update forced, supplied model with key \"" + apexModel.getKey().getID()
+                    LOGGER.warn("apex model update forced, supplied model with key \"" + apexModel.getKey().getId()
                             + "\" is not a compatible model update from the existing engine model with key \""
-                            + currentModel.getKey().getID() + "\"");
+                            + currentModel.getKey().getId() + "\"");
                 } else {
                     throw new ContextException(
-                            "apex model update failed, supplied model with key \"" + apexModel.getKey().getID()
+                            "apex model update failed, supplied model with key \"" + apexModel.getKey().getId()
                                     + "\" is not a compatible model update from the existing engine model with key \""
-                                    + currentModel.getKey().getID() + "\"");
+                                    + currentModel.getKey().getId() + "\"");
                 }
             }
         }
@@ -359,7 +359,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
             final StringBuilder notStoppedEngineIDBuilder = new StringBuilder();
             for (final Entry<AxArtifactKey, EngineService> engineWorkerEntry : engineWorkerMap.entrySet()) {
                 if (engineWorkerEntry.getValue().getState() != AxEngineState.STOPPED) {
-                    notStoppedEngineIDBuilder.append(engineWorkerEntry.getKey().getID());
+                    notStoppedEngineIDBuilder.append(engineWorkerEntry.getKey().getId());
                     notStoppedEngineIDBuilder.append('(');
                     notStoppedEngineIDBuilder.append(engineWorkerEntry.getValue().getState());
                     notStoppedEngineIDBuilder.append(") ");
@@ -367,7 +367,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
             }
             if (notStoppedEngineIDBuilder.length() > 0) {
                 final String errorString = "cannot update model on engine service with key "
-                        + incomingEngineServiceKey.getID() + ", engines not stopped after " + MAX_STOP_WAIT_TIME
+                        + incomingEngineServiceKey.getId() + ", engines not stopped after " + MAX_STOP_WAIT_TIME
                         + "ms are: " + notStoppedEngineIDBuilder.toString().trim();
                 LOGGER.warn(errorString);
                 throw new ApexException(errorString);
@@ -376,7 +376,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
 
         // Update the engines
         for (final Entry<AxArtifactKey, EngineService> engineWorkerEntry : engineWorkerMap.entrySet()) {
-            LOGGER.info("Registering apex model on engine {}", engineWorkerEntry.getKey().getID());
+            LOGGER.info("Registering apex model on engine {}", engineWorkerEntry.getKey().getId());
             engineWorkerEntry.getValue().updateModel(engineWorkerEntry.getKey(), apexModel, forceFlag);
         }
 
@@ -392,7 +392,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
             for (final Entry<AxArtifactKey, EngineService> engineWorkerEntry : engineWorkerMap.entrySet()) {
                 if (engineWorkerEntry.getValue().getState() != AxEngineState.READY
                         && engineWorkerEntry.getValue().getState() != AxEngineState.EXECUTING) {
-                    notRunningEngineIDBuilder.append(engineWorkerEntry.getKey().getID());
+                    notRunningEngineIDBuilder.append(engineWorkerEntry.getKey().getId());
                     notRunningEngineIDBuilder.append('(');
                     notRunningEngineIDBuilder.append(engineWorkerEntry.getValue().getState());
                     notRunningEngineIDBuilder.append(") ");
@@ -400,7 +400,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
             }
             if (notRunningEngineIDBuilder.length() > 0) {
                 final String errorString = "engine start error on model update on engine service with key "
-                        + incomingEngineServiceKey.getID() + ", engines not running are: "
+                        + incomingEngineServiceKey.getId() + ", engines not running are: "
                         + notRunningEngineIDBuilder.toString().trim();
                 LOGGER.warn(errorString);
                 throw new ApexException(errorString);
@@ -457,8 +457,8 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
 
         // Check if we have this key on our map
         if (!engineWorkerMap.containsKey(engineKey)) {
-            LOGGER.warn("engine with key " + engineKey.getID() + " not found in engine service");
-            throw new ApexException("engine with key " + engineKey.getID() + " not found in engine service");
+            LOGGER.warn("engine with key " + engineKey.getId() + " not found in engine service");
+            throw new ApexException("engine with key " + engineKey.getId() + " not found in engine service");
         }
 
         // Start the engine
@@ -499,8 +499,8 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
 
         // Check if we have this key on our map
         if (!engineWorkerMap.containsKey(engineKey)) {
-            LOGGER.warn("engine with key " + engineKey.getID() + " not found in engine service");
-            throw new ApexException("engine with key " + engineKey.getID() + " not found in engine service");
+            LOGGER.warn("engine with key " + engineKey.getId() + " not found in engine service");
+            throw new ApexException("engine with key " + engineKey.getId() + " not found in engine service");
         }
 
         // Stop the engine
@@ -536,7 +536,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
     public boolean isStarted(final AxArtifactKey engineKey) {
         // Check if we have this key on our map
         if (!engineWorkerMap.containsKey(engineKey)) {
-            LOGGER.warn("engine with key " + engineKey.getID() + " not found in engine service");
+            LOGGER.warn("engine with key " + engineKey.getId() + " not found in engine service");
         }
         return engineWorkerMap.get(engineKey).isStarted();
     }
@@ -568,7 +568,7 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
     public boolean isStopped(final AxArtifactKey engineKey) {
         // Check if we have this key on our map
         if (!engineWorkerMap.containsKey(engineKey)) {
-            LOGGER.warn("engine with key " + engineKey.getID() + " not found in engine service");
+            LOGGER.warn("engine with key " + engineKey.getId() + " not found in engine service");
         }
         return engineWorkerMap.get(engineKey).isStopped();
     }
@@ -582,9 +582,9 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
     public void startPeriodicEvents(final long period) throws ApexException {
         // Check if periodic events are already started
         if (periodicEventGenerator != null) {
-            LOGGER.warn("Peiodic event geneation already running on engine " + engineServiceKey.getID() + ", "
+            LOGGER.warn("Peiodic event geneation already running on engine " + engineServiceKey.getId() + ", "
                     + periodicEventGenerator.toString());
-            throw new ApexException("Peiodic event geneation already running on engine " + engineServiceKey.getID()
+            throw new ApexException("Peiodic event geneation already running on engine " + engineServiceKey.getId()
                     + ", " + periodicEventGenerator.toString());
         }
 
@@ -605,8 +605,8 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
     public void stopPeriodicEvents() throws ApexException {
         // Check if periodic events are already started
         if (periodicEventGenerator == null) {
-            LOGGER.warn("Peiodic event geneation not running on engine " + engineServiceKey.getID());
-            throw new ApexException("Peiodic event geneation not running on engine " + engineServiceKey.getID());
+            LOGGER.warn("Peiodic event geneation not running on engine " + engineServiceKey.getId());
+            throw new ApexException("Peiodic event geneation not running on engine " + engineServiceKey.getId());
         }
 
         // Stop periodic events
@@ -625,8 +625,8 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
     public String getStatus(final AxArtifactKey engineKey) throws ApexException {
         // Check if we have this key on our map
         if (!engineWorkerMap.containsKey(engineKey)) {
-            LOGGER.warn("engine with key " + engineKey.getID() + " not found in engine service");
-            throw new ApexException("engine with key " + engineKey.getID() + " not found in engine service");
+            LOGGER.warn("engine with key " + engineKey.getId() + " not found in engine service");
+            throw new ApexException("engine with key " + engineKey.getId() + " not found in engine service");
         }
 
         // Return the information for this worker
@@ -644,8 +644,8 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
     public String getRuntimeInfo(final AxArtifactKey engineKey) throws ApexException {
         // Check if we have this key on our map
         if (!engineWorkerMap.containsKey(engineKey)) {
-            LOGGER.warn("engine with key " + engineKey.getID() + " not found in engine service");
-            throw new ApexException("engine with key " + engineKey.getID() + " not found in engine service");
+            LOGGER.warn("engine with key " + engineKey.getId() + " not found in engine service");
+            throw new ApexException("engine with key " + engineKey.getId() + " not found in engine service");
         }
 
         // Return the information for this worker
@@ -664,12 +664,12 @@ public final class EngineServiceImpl implements EngineService, EngineServiceEven
         // Check if we have this key on our map
         if (getState() == AxEngineState.STOPPED) {
             LOGGER.warn("event " + event.getName() + " not processed, no engines on engine service "
-                    + engineServiceKey.getID() + " are running");
+                    + engineServiceKey.getId() + " are running");
             return;
         }
 
         if (event == null) {
-            LOGGER.warn("Null events cannot be processed, in engine service " + engineServiceKey.getID());
+            LOGGER.warn("Null events cannot be processed, in engine service " + engineServiceKey.getId());
             return;
         }
 
diff --git a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineWorker.java b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineWorker.java
index f82aae69b..be294aae7 100644
--- a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineWorker.java
+++ b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/impl/EngineWorker.java
@@ -131,7 +131,7 @@ final class EngineWorker implements EngineService {
     public void registerActionListener(final String listenerName, final ApexEventListener apexEventListener) {
         // Sanity checks on the Apex model
         if (engine == null) {
-            LOGGER.warn("listener registration on engine with key " + engineWorkerKey.getID()
+            LOGGER.warn("listener registration on engine with key " + engineWorkerKey.getId()
                     + ", failed, listener is null");
             return;
         }
@@ -150,7 +150,7 @@ final class EngineWorker implements EngineService {
     public void deregisterActionListener(final String listenerName) {
         // Sanity checks on the Apex model
         if (engine == null) {
-            LOGGER.warn("listener deregistration on engine with key " + engineWorkerKey.getID()
+            LOGGER.warn("listener deregistration on engine with key " + engineWorkerKey.getId()
                     + ", failed, listener is null");
             return;
         }
@@ -222,13 +222,13 @@ final class EngineWorker implements EngineService {
             final ApexModelReader<AxPolicyModel> modelReader = new ApexModelReader<>(AxPolicyModel.class);
             apexPolicyModel = modelReader.read(new ByteArrayInputStream(engineModel.getBytes()));
         } catch (final ApexModelException e) {
-            LOGGER.error("failed to unmarshal the apex model on engine " + engineKey.getID(), e);
-            throw new ApexException("failed to unmarshal the apex model on engine " + engineKey.getID(), e);
+            LOGGER.error("failed to unmarshal the apex model on engine " + engineKey.getId(), e);
+            throw new ApexException("failed to unmarshal the apex model on engine " + engineKey.getId(), e);
         }
 
         if (apexPolicyModel == null) {
-            LOGGER.error("apex model null on engine " + engineKey.getID());
-            throw new ApexException("apex model null on engine " + engineKey.getID());
+            LOGGER.error("apex model null on engine " + engineKey.getId());
+            throw new ApexException("apex model null on engine " + engineKey.getId());
         }
 
         // Update the Apex model in the Apex engine
@@ -252,16 +252,16 @@ final class EngineWorker implements EngineService {
 
         // Check if the key on the update request is correct
         if (!engineWorkerKey.equals(engineKey)) {
-            LOGGER.warn("engine key " + engineKey.getID() + " does not match the key" + engineWorkerKey.getID()
+            LOGGER.warn("engine key " + engineKey.getId() + " does not match the key" + engineWorkerKey.getId()
                     + " of this engine");
-            throw new ApexException("engine key " + engineKey.getID() + " does not match the key"
-                    + engineWorkerKey.getID() + " of this engine");
+            throw new ApexException("engine key " + engineKey.getId() + " does not match the key"
+                    + engineWorkerKey.getId() + " of this engine");
         }
 
         // Sanity checks on the Apex model
         if (engine == null) {
-            LOGGER.warn("engine with key " + engineKey.getID() + " not initialized");
-            throw new ApexException("engine with key " + engineKey.getID() + " not initialized");
+            LOGGER.warn("engine with key " + engineKey.getId() + " not initialized");
+            throw new ApexException("engine with key " + engineKey.getId() + " not initialized");
         }
 
         // Check model compatibility
@@ -270,14 +270,14 @@ final class EngineWorker implements EngineService {
             final AxPolicyModel currentModel = ModelService.getModel(AxPolicyModel.class);
             if (!currentModel.getKey().isCompatible(apexModel.getKey())) {
                 if (forceFlag) {
-                    LOGGER.warn("apex model update forced, supplied model with key \"" + apexModel.getKey().getID()
+                    LOGGER.warn("apex model update forced, supplied model with key \"" + apexModel.getKey().getId()
                             + "\" is not a compatible model update from the existing engine model with key \""
-                            + currentModel.getKey().getID() + "\"");
+                            + currentModel.getKey().getId() + "\"");
                 } else {
                     throw new ContextException(
-                            "apex model update failed, supplied model with key \"" + apexModel.getKey().getID()
+                            "apex model update failed, supplied model with key \"" + apexModel.getKey().getId()
                                     + "\" is not a compatible model update from the existing engine model with key \""
-                                    + currentModel.getKey().getID() + "\"");
+                                    + currentModel.getKey().getId() + "\"");
                 }
             }
         }
@@ -285,7 +285,7 @@ final class EngineWorker implements EngineService {
         // Update the Apex model in the Apex engine
         engine.updateModel(apexModel);
 
-        LOGGER.debug("engine model {} added to the engine-{}", apexModel.getKey().getID(), engineWorkerKey);
+        LOGGER.debug("engine model {} added to the engine-{}", apexModel.getKey().getId(), engineWorkerKey);
         LOGGER.exit();
     }
 
@@ -322,22 +322,22 @@ final class EngineWorker implements EngineService {
 
         // Check if the key on the start request is correct
         if (!engineWorkerKey.equals(engineKey)) {
-            LOGGER.warn("engine key " + engineKey.getID() + " does not match the key" + engineWorkerKey.getID()
+            LOGGER.warn("engine key " + engineKey.getId() + " does not match the key" + engineWorkerKey.getId()
                     + " of this engine");
-            throw new ApexException("engine key " + engineKey.getID() + " does not match the key"
-                    + engineWorkerKey.getID() + " of this engine");
+            throw new ApexException("engine key " + engineKey.getId() + " does not match the key"
+                    + engineWorkerKey.getId() + " of this engine");
         }
 
         if (engine == null) {
-            LOGGER.error("apex engine for engine key" + engineWorkerKey.getID() + " null");
-            throw new ApexException("apex engine for engine key" + engineWorkerKey.getID() + " null");
+            LOGGER.error("apex engine for engine key" + engineWorkerKey.getId() + " null");
+            throw new ApexException("apex engine for engine key" + engineWorkerKey.getId() + " null");
         }
 
         // Starts the event processing thread that handles incoming events
         if (processorThread != null && processorThread.isAlive()) {
-            LOGGER.error("apex engine for engine key" + engineWorkerKey.getID() + " is already running with state "
+            LOGGER.error("apex engine for engine key" + engineWorkerKey.getId() + " is already running with state "
                     + getState());
-            throw new ApexException("apex engine for engine key" + engineWorkerKey.getID()
+            throw new ApexException("apex engine for engine key" + engineWorkerKey.getId()
                     + " is already running with state " + getState());
         }
 
@@ -372,22 +372,22 @@ final class EngineWorker implements EngineService {
     public void stop(final AxArtifactKey engineKey) throws ApexException {
         // Check if the key on the start request is correct
         if (!engineWorkerKey.equals(engineKey)) {
-            LOGGER.warn("engine key " + engineKey.getID() + " does not match the key" + engineWorkerKey.getID()
+            LOGGER.warn("engine key " + engineKey.getId() + " does not match the key" + engineWorkerKey.getId()
                     + " of this engine");
-            throw new ApexException("engine key " + engineKey.getID() + " does not match the key"
-                    + engineWorkerKey.getID() + " of this engine");
+            throw new ApexException("engine key " + engineKey.getId() + " does not match the key"
+                    + engineWorkerKey.getId() + " of this engine");
         }
 
         if (engine == null) {
-            LOGGER.error("apex engine for engine key" + engineWorkerKey.getID() + " null");
-            throw new ApexException("apex engine for engine key" + engineWorkerKey.getID() + " null");
+            LOGGER.error("apex engine for engine key" + engineWorkerKey.getId() + " null");
+            throw new ApexException("apex engine for engine key" + engineWorkerKey.getId() + " null");
         }
 
         // Interrupt the worker to stop its thread
         if (processorThread == null || !processorThread.isAlive()) {
             processorThread = null;
 
-            LOGGER.warn("apex engine for engine key" + engineWorkerKey.getID() + " is already stopped with state "
+            LOGGER.warn("apex engine for engine key" + engineWorkerKey.getId() + " is already stopped with state "
                     + getState());
             return;
         }