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-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java56
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/PolicySession.java54
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/PolicySessionFeatureAPI.java129
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmx.java42
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxListener.java63
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxMBean.java7
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/lock/Lock.java8
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockFeatureAPI.java41
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockManager.java18
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/lock/SimpleLockManager.java89
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/util/FeatureEnabledChecker.java2
-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java28
12 files changed, 290 insertions, 247 deletions
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java b/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java
index 8a86a5c5..f2a084e4 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java
@@ -79,7 +79,7 @@ public class PolicyContainer implements Startable {
* dependencies from the Maven repository to create the 'PolicyContainer' and associated
* 'KieContainer'.
*
- * An exception occurs if the creation of the 'KieContainer' fails.
+ * <p>An exception occurs if the creation of the 'KieContainer' fails.
*
* @param groupId the 'groupId' associated with the artifact
* @param artifactId the artifact name
@@ -94,7 +94,7 @@ public class PolicyContainer implements Startable {
* associated artifact and remaining dependencies from the Maven repository to create the
* 'PolicyContainer' and associated 'KieContainer'.
*
- * An exception occurs if the creation of the 'KieContainer' fails.
+ * <p>An exception occurs if the creation of the 'KieContainer' fails.
*
* @param releaseId indicates the artifact that is to be installed in this container
*/
@@ -109,7 +109,7 @@ public class PolicyContainer implements Startable {
}
synchronized (containers) {
if (newReleaseId != null) {
- logger.info("Add a new kieContainer in containers: releaseId: " + newReleaseId.toString());
+ logger.info("Add a new kieContainer in containers: releaseId: {}", newReleaseId.toString());
} else {
logger.warn("input releaseId is null");
}
@@ -133,7 +133,7 @@ public class PolicyContainer implements Startable {
private ReleaseId loadArtifact(String groupId, String artifactId, String version) {
String[] versions = version.split(",");
if (versions.length > 1) {
- logger.info("Multiple KieContainer versions are specified: " + version);
+ logger.info("Multiple KieContainer versions are specified: {}", version);
}
// indicates a 'newKieContainer' call failed
@@ -147,7 +147,7 @@ public class PolicyContainer implements Startable {
try {
// Create a 'ReleaseId' object describing the artifact, and
// create a 'KieContainer' based upon it.
- logger.info("Create new KieContainer start, version = " + ver + " ...");
+ logger.info("Create new KieContainer start, version = {} ...", ver);
releaseId = kieServices.newReleaseId(groupId, artifactId, ver);
kieContainer = kieServices.newKieContainer(releaseId);
@@ -168,6 +168,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get name.
+ *
* @return the name of the container, which is the String equivalent of the 'ReleaseId'. It has
* the form:
*
@@ -181,6 +183,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get kie container.
+ *
* @return the associated 'KieContainer' instance
*/
public KieContainer getKieContainer() {
@@ -188,6 +192,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get class loader.
+ *
* @return the 'ClassLoader' associated with the 'KieContainer' instance
*/
public ClassLoader getClassLoader() {
@@ -195,6 +201,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get group Id.
+ *
* @return the Maven GroupId of the top-level artifact wrapped by the container.
*/
public String getGroupId() {
@@ -202,6 +210,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get artifact id.
+ *
* @return the Maven ArtifactId of the top-level artifact wrapped by the container.
*/
public String getArtifactId() {
@@ -209,6 +219,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get version.
+ *
* @return the version of the top-level artifact wrapped by the container (this may change as
* updates occur)
*/
@@ -236,10 +248,10 @@ public class PolicyContainer implements Startable {
*/
private PolicySession activatePolicySession(String name, String kieBaseName) {
synchronized (sessions) {
- logger.info("activatePolicySession:name :" + name);
+ logger.info("activatePolicySession:name :{}", name);
PolicySession session = sessions.get(name);
if (session != null) {
- logger.info("activatePolicySession:session - " + session.getFullName() + " is returned.");
+ logger.info("activatePolicySession:session - {} is returned.", session.getFullName());
return session;
}
KieSession kieSession = null;
@@ -275,7 +287,7 @@ public class PolicyContainer implements Startable {
logger.error(ERROR_STRING + feature.getClass().getName(), e);
}
}
- logger.info("activatePolicySession:new session was added in sessions with name " + name);
+ logger.info("activatePolicySession:new session was added in sessions with name {}", name);
}
logger.info("activatePolicySession:session - " + (session == null ? "null" : session.getFullName())
+ " is returned.");
@@ -310,15 +322,15 @@ public class PolicyContainer implements Startable {
// fetch KieBase, and verify it belongs to this KieContainer
boolean match = false;
KieBase kieBase = kieSession.getKieBase();
- logger.info("adoptKieSession:kieBase: " + kieBase);
+ logger.info("adoptKieSession:kieBase: {}", kieBase);
for (String kieBaseName : kieContainer.getKieBaseNames()) {
- logger.info("adoptKieSession:kieBaseName: " + kieBaseName);
+ logger.info("adoptKieSession:kieBaseName: {}", kieBaseName);
if (kieBase == kieContainer.getKieBase(kieBaseName)) {
match = true;
break;
}
}
- logger.info("adoptKieSession:match " + match);
+ logger.info("adoptKieSession:match {}", match);
// if we don't have a match yet, the last chance is to look at the
// default KieBase, if it exists
if (!match && kieBase != kieContainer.getKieBase()) {
@@ -333,7 +345,7 @@ public class PolicyContainer implements Startable {
// create the new 'PolicySession', add it to the table,
// and return the object to the caller
- logger.info("adoptKieSession:create a new policySession with name " + name);
+ logger.info("adoptKieSession:create a new policySession with name {}", name);
PolicySession policySession = new PolicySession(name, this, kieSession);
sessions.put(name, policySession);
@@ -378,7 +390,7 @@ public class PolicyContainer implements Startable {
if (releaseId == null) {
logger.warn("updateToVersion:input releaseId is null");
} else {
- logger.info("updateToVersion:releaseId " + releaseId.toString());
+ logger.info("updateToVersion:releaseId {}", releaseId);
}
// stop all session threads
@@ -399,6 +411,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get policy containers.
+ *
* @return all existing 'PolicyContainer' instances
*/
public static Collection<PolicyContainer> getPolicyContainers() {
@@ -408,6 +422,8 @@ public class PolicyContainer implements Startable {
}
/**
+ * Get policy sessions.
+ *
* @return all of the 'PolicySession' instances
*/
public Collection<PolicySession> getPolicySessions() {
@@ -454,7 +470,7 @@ public class PolicyContainer implements Startable {
}
/**
- * Insert a fact into a specific named session
+ * Insert a fact into a specific named session.
*
* @param name this is the session name
* @param object this is the fact to be inserted into the session
@@ -475,7 +491,7 @@ public class PolicyContainer implements Startable {
}
/**
- * Insert a fact into all sessions associated with this container
+ * Insert a fact into all sessions associated with this container.
*
* @param object this is the fact to be inserted into the sessions
* @return 'true' if the fact was inserted into at least one session, 'false' if not
@@ -660,15 +676,15 @@ public class PolicyContainer implements Startable {
/**
* This method does the following:
*
- * 1) Initializes logging 2) Starts the DroolsPDP Integrity Monitor 3) Initilaizes persistence
+ * <p>1) Initializes logging 2) Starts the DroolsPDP Integrity Monitor 3) Initilaizes persistence
*
- * It no longer reads in properties files, o creates 'PolicyContainer' instances.
+ * <p>It no longer reads in properties files, o creates 'PolicyContainer' instances.
*
* @param args standard 'main' arguments, which are currently ignored
*/
public static void globalInit(String[] args) {
String configDir = "config";
- logger.info("PolicyContainer.main: configDir=" + configDir);
+ logger.info("PolicyContainer.main: configDir={}", configDir);
// invoke 'globalInit' on all of the features
for (PolicySessionFeatureAPI feature : PolicySessionFeatureAPI.impl.getList()) {
@@ -681,7 +697,7 @@ public class PolicyContainer implements Startable {
}
/**
- * Fetch the adjunct object associated with a given feature
+ * Fetch the adjunct object associated with a given feature.
*
* @param object this is typically the singleton feature object that is used as a key, but it
* might also be useful to use nested objects within the feature as keys.
@@ -692,7 +708,7 @@ public class PolicyContainer implements Startable {
}
/**
- * Store the adjunct object associated with a given feature
+ * Store the adjunct object associated with a given feature.
*
* @param object this is typically the singleton feature object that is used as a key, but it
* might also be useful to use nested objects within the feature as keys.
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/PolicySession.java b/policy-core/src/main/java/org/onap/policy/drools/core/PolicySession.java
index 7646225e..bb2148c0 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/PolicySession.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/PolicySession.java
@@ -44,8 +44,8 @@ import org.slf4j.LoggerFactory;
/**
* This class is a wrapper around 'KieSession', which adds the following:
- * <p>
- * 1) A thread running 'KieSession.fireUntilHalt()'
+ *
+ * <p>1) A thread running 'KieSession.fireUntilHalt()'
* 2) Access to UEB
* 3) Logging of events
*/
@@ -75,7 +75,7 @@ public class PolicySession
new ThreadLocal<>();
/**
- * Internal constructor - create a 'PolicySession' instance
+ * Internal constructor - create a 'PolicySession' instance.
*
* @param name the name of this 'PolicySession' (and 'kieSession')
* @param container the 'PolicyContainer' instance containing this session
@@ -91,6 +91,8 @@ public class PolicySession
}
/**
+ * Get policy container.
+ *
* @return the 'PolicyContainer' object containing this session
*/
public PolicyContainer getPolicyContainer() {
@@ -98,6 +100,8 @@ public class PolicySession
}
/**
+ * Get Kie Session.
+ *
* @return the associated 'KieSession' instance
*/
public KieSession getKieSession() {
@@ -105,17 +109,21 @@ public class PolicySession
}
/**
+ * Get name.
+ *
* @return the local name of this session, which should either match the
- * name specified in 'kmodule.xml' file associated with this session, or the
- * name passed on the 'PolicyContainer.adoptKieSession' method.
+ * name specified in 'kmodule.xml' file associated with this session, or the
+ * name passed on the 'PolicyContainer.adoptKieSession' method.
*/
public String getName() {
return name;
}
/**
+ * Get full name.
+ *
* @return the 'PolicyContainer' name, followed by ':', followed by the
- * local name of the session. It should be useful in log messages.
+ * local name of the session. It should be useful in log messages.
*/
public String getFullName() {
return container.getName() + ":" + name;
@@ -137,8 +145,9 @@ public class PolicySession
for (PolicySessionFeatureAPI feature :
PolicySessionFeatureAPI.impl.getList()) {
try {
- if ((threadModel = feature.selectThreadModel(this)) != null)
+ if ((threadModel = feature.selectThreadModel(this)) != null) {
break;
+ }
} catch (Exception e) {
logger.error("ERROR: Feature API: "
+ feature.getClass().getName(), e);
@@ -164,7 +173,7 @@ public class PolicySession
}
/**
- * Notification that 'updateToVersion' was called on the container
+ * Notification that 'updateToVersion' was called on the container.
*/
void updated() {
if (threadModel != null) {
@@ -183,29 +192,31 @@ public class PolicySession
}
/**
+ * Get current session.
+ *
* @return the 'PolicySession' instance associated with the current thread
- * (Note that this only works if the current thread is the one running
- * 'kieSession.fireUntilHalt()'.)
+ * (Note that this only works if the current thread is the one running
+ * 'kieSession.fireUntilHalt()'.)
*/
public static PolicySession getCurrentSession() {
return policySess.get();
}
/**
- * Fetch the adjunct object associated with a given feature
+ * Fetch the adjunct object associated with a given feature.
*
* @param object this is typically the singleton feature object that is
* used as a key, but it might also be useful to use nested objects
* within the feature as keys.
* @return a feature-specific object associated with the key, or 'null'
- * if it is not found.
+ * if it is not found.
*/
public Object getAdjunct(Object object) {
return adjuncts.get(object);
}
/**
- * Store the adjunct object associated with a given feature
+ * Store the adjunct object associated with a given feature.
*
* @param object this is typically the singleton feature object that is
* used as a key, but it might also be useful to use nested objects
@@ -253,8 +264,7 @@ public class PolicySession
* {@inheritDoc}
*/
@Override
- public void afterRuleFlowGroupDeactivated
- (RuleFlowGroupDeactivatedEvent event) {
+ public void afterRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
if (logger.isDebugEnabled()) {
logger.debug("afterRuleFlowGroupDeactivated: " + getFullName()
+ ": AgendaEventListener.afterRuleFlowGroupDeactivated("
@@ -302,8 +312,7 @@ public class PolicySession
* {@inheritDoc}
*/
@Override
- public void beforeRuleFlowGroupActivated
- (RuleFlowGroupActivatedEvent event) {
+ public void beforeRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
if (logger.isDebugEnabled()) {
logger.debug("beforeRuleFlowGroupActivated: " + getFullName()
+ ": AgendaEventListener.beforeRuleFlowGroupActivated("
@@ -315,8 +324,7 @@ public class PolicySession
* {@inheritDoc}
*/
@Override
- public void beforeRuleFlowGroupDeactivated
- (RuleFlowGroupDeactivatedEvent event) {
+ public void beforeRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
if (logger.isDebugEnabled()) {
logger.debug("beforeRuleFlowGroupDeactivated: " + getFullName()
+ ": AgendaEventListener.beforeRuleFlowGroupDeactivated("
@@ -391,12 +399,12 @@ public class PolicySession
*/
public interface ThreadModel {
/**
- * Start the thread or threads that do the 'KieSession' processing
+ * Start the thread or threads that do the 'KieSession' processing.
*/
public void start();
/**
- * Stop the thread or threads that do the 'KieSession' processing
+ * Stop the thread or threads that do the 'KieSession' processing.
*/
public void stop();
@@ -425,7 +433,7 @@ public class PolicySession
volatile boolean repeat = true;
/**
- * Constructor - initialize 'session' and create thread
+ * Constructor - initialize 'session' and create thread.
*
* @param session the 'PolicySession' instance
*/
@@ -435,6 +443,8 @@ public class PolicySession
}
/**
+ * Get thread name.
+ *
* @return the String to use as the thread name
*/
private String getThreadName() {
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/PolicySessionFeatureAPI.java b/policy-core/src/main/java/org/onap/policy/drools/core/PolicySessionFeatureAPI.java
index 867325cd..3e49ee5b 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/PolicySessionFeatureAPI.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/PolicySessionFeatureAPI.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* policy-core
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -32,76 +32,71 @@ import org.onap.policy.drools.utils.OrderedServiceImpl;
* return a 'void' value. In other cases, such as 'activatePolicySession',
* may
*/
-public interface PolicySessionFeatureAPI extends OrderedService
-{
- /**
- * 'FeatureAPI.impl.getList()' returns an ordered list of objects
- * implementing the 'FeatureAPI' interface.
- */
- public static OrderedServiceImpl<PolicySessionFeatureAPI> impl =
- new OrderedServiceImpl<>(PolicySessionFeatureAPI.class);
+public interface PolicySessionFeatureAPI extends OrderedService {
+ /**
+ * 'FeatureAPI.impl.getList()' returns an ordered list of objects
+ * implementing the 'FeatureAPI' interface.
+ */
+ public static OrderedServiceImpl<PolicySessionFeatureAPI> impl =
+ new OrderedServiceImpl<>(PolicySessionFeatureAPI.class);
- /**
- * This method is called during initialization at a point right after
- * 'PolicyContainer' initialization has completed.
- *
- * @param args standard 'main' arguments, which are currently ignored
- * @param configDir the relative directory containing configuration files
- */
- public default void globalInit(String[] args, String configDir) {}
+ /**
+ * This method is called during initialization at a point right after
+ * 'PolicyContainer' initialization has completed.
+ *
+ * @param args standard 'main' arguments, which are currently ignored
+ * @param configDir the relative directory containing configuration files
+ */
+ public default void globalInit(String[] args, String configDir) {}
- /**
- * This method is used to create a 'KieSession' as part of a
- * 'PolicyContainer'. The caller of this method will iterate over the
- * implementers of this interface until one returns a non-null value.
- *
- * @param policyContainer the 'PolicyContainer' instance containing this
- * session
- * @param name the name of the KieSession (which is also the name of
- * the associated PolicySession)
- * @param kieBaseName the name of the 'KieBase' instance containing
- * this session
- * @return a new KieSession, if one was created, or 'null' if not
- * (this depends on the capabilities and state of the object implementing
- * this interface)
- */
- public default KieSession activatePolicySession
- (PolicyContainer policyContainer, String name, String kieBaseName)
- {
- return null;
- }
+ /**
+ * This method is used to create a 'KieSession' as part of a
+ * 'PolicyContainer'. The caller of this method will iterate over the
+ * implementers of this interface until one returns a non-null value.
+ *
+ * @param policyContainer the 'PolicyContainer' instance containing this
+ * session
+ * @param name the name of the KieSession (which is also the name of
+ * the associated PolicySession)
+ * @param kieBaseName the name of the 'KieBase' instance containing
+ * this session
+ * @return a new KieSession, if one was created, or 'null' if not
+ * (this depends on the capabilities and state of the object implementing
+ * this interface)
+ */
+ public default KieSession activatePolicySession(PolicyContainer policyContainer, String name, String kieBaseName) {
+ return null;
+ }
- /**
- * This method is called after a new 'PolicySession' has been initialized,
- * and linked to the 'PolicyContainer'.
- *
- * @param policySession the new 'PolicySession' instance
- */
- public default void newPolicySession(PolicySession policySession) {}
+ /**
+ * This method is called after a new 'PolicySession' has been initialized,
+ * and linked to the 'PolicyContainer'.
+ *
+ * @param policySession the new 'PolicySession' instance
+ */
+ public default void newPolicySession(PolicySession policySession) {}
- /**
- * This method is called to select the 'ThreadModel' instance associated
- * with a 'PolicySession' instance.
- */
- public default PolicySession.ThreadModel selectThreadModel
- (PolicySession session)
- {
- return null;
- }
+ /**
+ * This method is called to select the 'ThreadModel' instance associated
+ * with a 'PolicySession' instance.
+ */
+ public default PolicySession.ThreadModel selectThreadModel(PolicySession session) {
+ return null;
+ }
- /**
- * This method is called after 'KieSession.dispose()' is called
- *
- * @param policySession the 'PolicySession' object that wrapped the
- * 'KieSession'
- */
- public default void disposeKieSession(PolicySession policySession) {}
+ /**
+ * This method is called after 'KieSession.dispose()' is called.
+ *
+ * @param policySession the 'PolicySession' object that wrapped the
+ * 'KieSession'
+ */
+ public default void disposeKieSession(PolicySession policySession) {}
- /**
- * This method is called after 'KieSession.destroy()' is called
- *
- * @param policySession the 'PolicySession' object that wrapped the
- * 'KieSession'
- */
- public default void destroyKieSession(PolicySession policySession) {}
+ /**
+ * This method is called after 'KieSession.destroy()' is called.
+ *
+ * @param policySession the 'PolicySession' object that wrapped the
+ * 'KieSession'
+ */
+ public default void destroyKieSession(PolicySession policySession) {}
}
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmx.java b/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmx.java
index 19f6afb4..e1a89752 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmx.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmx.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* policy-core
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -24,29 +24,29 @@ import java.util.concurrent.atomic.AtomicLong;
public class PdpJmx implements PdpJmxMBean {
- private static PdpJmx instance = new PdpJmx();
- private final AtomicLong updates = new AtomicLong();
- private final AtomicLong actions = new AtomicLong();
+ private static PdpJmx instance = new PdpJmx();
+ private final AtomicLong updates = new AtomicLong();
+ private final AtomicLong actions = new AtomicLong();
- public static PdpJmx getInstance() {
- return instance;
- }
+ public static PdpJmx getInstance() {
+ return instance;
+ }
- @Override
- public long getUpdates(){
- return updates.longValue();
- }
+ @Override
+ public long getUpdates() {
+ return updates.longValue();
+ }
- @Override
- public long getRulesFired(){
- return actions.longValue();
- }
+ @Override
+ public long getRulesFired() {
+ return actions.longValue();
+ }
- public void updateOccured(){
- updates.incrementAndGet();
- }
+ public void updateOccured() {
+ updates.incrementAndGet();
+ }
- public void ruleFired(){
- actions.incrementAndGet();
- }
+ public void ruleFired() {
+ actions.incrementAndGet();
+ }
}
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxListener.java b/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxListener.java
index 9136defb..04f0dfd0 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxListener.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxListener.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* policy-core
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -35,36 +35,41 @@ import org.slf4j.LoggerFactory;
public class PdpJmxListener {
- public static final Logger logger = LoggerFactory.getLogger(PdpJmxListener.class);
+ public static final Logger logger = LoggerFactory.getLogger(PdpJmxListener.class);
- private PdpJmxListener() {
- }
+ private PdpJmxListener() {
+ }
- public static void stop() {
- final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
- try {
- server.unregisterMBean(new ObjectName("PolicyEngine:type=PdpJmx"));
- } catch (MBeanRegistrationException | InstanceNotFoundException
- | MalformedObjectNameException e) {
- logger.error("PdpJmxListener.stop(): " +
- "Could not unregister PolicyEngine:type=PdpJmx MBean " +
- "with the MBean server", e);
- }
-
- }
+ /**
+ * Stop the listener.
+ */
+ public static void stop() {
+ final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
+ try {
+ server.unregisterMBean(new ObjectName("PolicyEngine:type=PdpJmx"));
+ } catch (MBeanRegistrationException | InstanceNotFoundException
+ | MalformedObjectNameException e) {
+ logger.error("PdpJmxListener.stop(): "
+ + "Could not unregister PolicyEngine:type=PdpJmx MBean "
+ + "with the MBean server", e);
+ }
-
- public static void start() {
- final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
- try {
- server.registerMBean(PdpJmx.getInstance(), new ObjectName("PolicyEngine:type=PdpJmx"));
- } catch (InstanceAlreadyExistsException | MBeanRegistrationException
- | NotCompliantMBeanException | MalformedObjectNameException e) {
- logger.error("PdpJmxListener.start(): " +
- "Could not unregister PolicyEngine:type=PdpJmx MBean " +
- "with the MBean server", e);
- }
-
- }
+ }
+
+ /**
+ * Start.
+ */
+ public static void start() {
+ final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
+ try {
+ server.registerMBean(PdpJmx.getInstance(), new ObjectName("PolicyEngine:type=PdpJmx"));
+ } catch (InstanceAlreadyExistsException | MBeanRegistrationException
+ | NotCompliantMBeanException | MalformedObjectNameException e) {
+ logger.error("PdpJmxListener.start(): "
+ + "Could not unregister PolicyEngine:type=PdpJmx MBean "
+ + "with the MBean server", e);
+ }
+
+ }
}
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxMBean.java b/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxMBean.java
index 37a9e4dc..d2c05f85 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxMBean.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/jmx/PdpJmxMBean.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* policy-core
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -22,6 +22,7 @@ package org.onap.policy.drools.core.jmx;
public interface PdpJmxMBean {
- public long getRulesFired();
- public long getUpdates();
+ public long getRulesFired();
+
+ public long getUpdates();
}
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/lock/Lock.java b/policy-core/src/main/java/org/onap/policy/drools/core/lock/Lock.java
index d3764910..de62b24a 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/lock/Lock.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/lock/Lock.java
@@ -59,7 +59,7 @@ public class Lock<T> {
* The requester was not the owner, nor was it waiting in the queue.
*/
NOT_FOUND
- };
+ }
/**
* The last owner to grab the lock, never {@code null}.
@@ -75,6 +75,7 @@ public class Lock<T> {
private LinkedHashMap<String, T> requester2item = new LinkedHashMap<>(5);
/**
+ * Constructor.
*
* @param owner the current owner of this lock
*/
@@ -83,6 +84,7 @@ public class Lock<T> {
}
/**
+ * Get owner.
*
* @return the current owner of the lock, or the last owner of the lock, if the lock
* is not currently owned. (This will never be {@code null}.)
@@ -94,7 +96,7 @@ public class Lock<T> {
/**
* Adds a new requester to the queue of requesters.
*
- * @param requester
+ * @param requester the requester
* @param item to be associated with the requester, must not be {@code null}
* @return {@code true} if the requester was added, {@code false} if it already owns
* the lock or is already in the queue
@@ -123,7 +125,7 @@ public class Lock<T> {
* item associated with the requester, it is unable to notify the new owner that it's
* the new owner; that is left up to the code that invokes this method.
*
- * @param requester
+ * @param requester the requester
* @param newOwner the new owner info is placed here, if the result is <i>RELOCKED</i>
* @return the result
*/
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockFeatureAPI.java b/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockFeatureAPI.java
index 5aee490f..105d6ec9 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockFeatureAPI.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockFeatureAPI.java
@@ -26,12 +26,12 @@ import org.onap.policy.drools.utils.OrderedServiceImpl;
/**
* Resource locks. Each lock has an "owner", which is intended to be unique across a
* single instance of a running PolicyEngine.
- * <p>
- * This interface provides a way to invoke optional features at various points in the
+ *
+ * <p>This interface provides a way to invoke optional features at various points in the
* code. At appropriate points in the application, the code iterates through this list,
* invoking these optional methods.
- * <p>
- * Implementers may choose to implement a level of locking appropriate to the application.
+ *
+ * <p>Implementers may choose to implement a level of locking appropriate to the application.
* For instance, they may choose to implement an engine-wide locking scheme, or they may
* choose to implement a global locking scheme (e.g., through a shared DB).
*/
@@ -45,7 +45,6 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
new OrderedServiceImpl<>(PolicyResourceLockFeatureAPI.class);
/**
- *
* Result of a requested operation.
*/
public enum OperResult {
@@ -65,7 +64,7 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
/**
* The implementer did not handle the request; additional locking logic <i>should
- * be<i> performed.
+ * be</i> performed.
*/
OPER_UNHANDLED
}
@@ -73,8 +72,8 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
/**
* This method is called before a lock is acquired on a resource.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @param holdSec the amount of time, in seconds, that the lock should be held
* @return the result, where <b>OPER_DENIED</b> indicates that the lock is currently
* held by another owner
@@ -86,8 +85,8 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
/**
* This method is called after a lock for a resource has been acquired or denied.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @param locked {@code true} if the lock was acquired, {@code false} if it was denied
* @return {@code true} if the implementer handled the request, {@code false}
* otherwise
@@ -100,8 +99,8 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
* This method is called before a lock is refreshed on a resource. It may be invoked
* repeatedly to extend the time that a lock is held.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @param holdSec the amount of time, in seconds, that the lock should be held
* @return the result, where <b>OPER_DENIED</b> indicates that the resource is not
* currently locked by the given owner
@@ -114,8 +113,8 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
* This method is called after a lock for a resource has been refreshed (or after the
* refresh has been denied).
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @param locked {@code true} if the lock was acquired, {@code false} if it was denied
* @return {@code true} if the implementer handled the request, {@code false}
* otherwise
@@ -127,8 +126,8 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
/**
* This method is called before a lock on a resource is released.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @return the result, where <b>OPER_DENIED</b> indicates that the lock is not
* currently held by the given owner
*/
@@ -139,8 +138,8 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
/**
* This method is called after a lock on a resource is released.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @param unlocked {@code true} if the lock was released, {@code false} if the owner
* did not have a lock on the resource
* @return {@code true} if the implementer handled the request, {@code false}
@@ -153,7 +152,7 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
/**
* This method is called before a check is made to determine if a resource is locked.
*
- * @param resourceId
+ * @param resourceId resource id
* @return the result, where <b>OPER_ACCEPTED</b> indicates that the resource is
* locked, while <b>OPER_DENIED</b> indicates that it is not
*/
@@ -165,8 +164,8 @@ public interface PolicyResourceLockFeatureAPI extends OrderedService {
* This method is called before a check is made to determine if a particular owner
* holds the lock on a resource.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @return the result, where <b>OPER_ACCEPTED</b> indicates that the resource is
* locked by the given owner, while <b>OPER_DENIED</b> indicates that it is
* not
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockManager.java b/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockManager.java
index 8e13ced4..3612b29d 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockManager.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/lock/PolicyResourceLockManager.java
@@ -47,6 +47,7 @@ public class PolicyResourceLockManager extends SimpleLockManager {
}
/**
+ * Get instance.
*
* @return the manager singleton
*/
@@ -61,7 +62,7 @@ public class PolicyResourceLockManager extends SimpleLockManager {
/**
* Sets the factory to be used by junit tests.
*
- * @param factory
+ * @param factory the factory
*/
protected static void setFactory(Factory factory) {
PolicyResourceLockManager.factory = factory;
@@ -134,6 +135,7 @@ public class PolicyResourceLockManager extends SimpleLockManager {
}
/**
+ * Is locked.
*
* @throws IllegalArgumentException if the resourceId is {@code null}
*/
@@ -146,13 +148,14 @@ public class PolicyResourceLockManager extends SimpleLockManager {
return doBoolIntercept(impl -> impl.beforeIsLocked(resourceId), () ->
- // implementer didn't do the work - defer to the superclass
+ // implementer didn't do the work - defer to the superclass
super.isLocked(resourceId)
);
}
/**
- *
+ * Is locked by.
+ *
* @throws IllegalArgumentException if the resourceId or owner is {@code null}
*/
@Override
@@ -177,8 +180,8 @@ public class PolicyResourceLockManager extends SimpleLockManager {
* of them returns a result other than <b>OPER_UNHANDLED</b>. If they all return
* <b>OPER_UNHANDLED</b>, then it returns the result of applying the default function.
*
- * @param interceptFunc
- * @param defaultFunc
+ * @param interceptFunc intercept function
+ * @param defaultFunc default function
* @return {@code true} if success, {@code false} otherwise
*/
private boolean doBoolIntercept(Function<PolicyResourceLockFeatureAPI, OperResult> interceptFunc,
@@ -199,8 +202,8 @@ public class PolicyResourceLockManager extends SimpleLockManager {
* @param continueValue if the implementer returns this value, then it continues to
* check addition implementers
* @param func function to be applied to the implementers
- * @return first non-null value returned by an implementer, <i>continueValue<i/> if
- * they all returned <i>continueValue<i/>
+ * @return first non-null value returned by an implementer, <i>continueValue</i> if
+ * they all returned <i>continueValue</i>
*/
private static <T> T doIntercept(T continueValue, Function<PolicyResourceLockFeatureAPI, T> func) {
@@ -241,6 +244,7 @@ public class PolicyResourceLockManager extends SimpleLockManager {
public static class Factory {
/**
+ * Get implementers.
*
* @return the list of feature implementers
*/
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/lock/SimpleLockManager.java b/policy-core/src/main/java/org/onap/policy/drools/core/lock/SimpleLockManager.java
index 243ba3cb..427fbbc6 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/lock/SimpleLockManager.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/lock/SimpleLockManager.java
@@ -67,7 +67,7 @@ public class SimpleLockManager {
private final SortedSet<Data> locks = new TreeSet<>();
/**
- *
+ * Constructor.
*/
public SimpleLockManager() {
super();
@@ -78,8 +78,8 @@ public class SimpleLockManager {
* it's the same owner; the same owner can use {@link #refresh(String, String, int)
* refresh()}, instead, to extend a lock on a resource.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @param holdSec the amount of time, in seconds, that the lock should be held
* @return {@code true} if locked, {@code false} if the resource is already locked by
* a different owner
@@ -97,10 +97,10 @@ public class SimpleLockManager {
boolean locked = false;
- synchronized(locker) {
+ synchronized (locker) {
cleanUpLocks();
- if(!resource2data.containsKey(resourceId)) {
+ if (!resource2data.containsKey(resourceId)) {
Data data = new Data(owner, resourceId, currentTime.getMillis() + TimeUnit.SECONDS.toMillis(holdSec));
resource2data.put(resourceId, data);
locks.add(data);
@@ -116,8 +116,8 @@ public class SimpleLockManager {
/**
* Attempts to refresh a lock on a resource.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @param holdSec the amount of time, in seconds, that the lock should be held
* @return {@code true} if locked, {@code false} if the resource is not currently
* locked by the given owner
@@ -135,7 +135,7 @@ public class SimpleLockManager {
boolean refreshed = false;
- synchronized(locker) {
+ synchronized (locker) {
cleanUpLocks();
Data existingLock = resource2data.get(resourceId);
@@ -159,8 +159,8 @@ public class SimpleLockManager {
/**
* Unlocks a resource.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @return {@code true} if unlocked, {@code false} if the given owner does not
* currently hold a lock on the resource
* @throws IllegalArgumentException if the resourceId or owner is {@code null}
@@ -176,11 +176,11 @@ public class SimpleLockManager {
Data data;
- synchronized(locker) {
+ synchronized (locker) {
cleanUpLocks();
- if((data = resource2data.get(resourceId)) != null) {
- if(owner.equals(data.getOwner())) {
+ if ((data = resource2data.get(resourceId)) != null) {
+ if (owner.equals(data.getOwner())) {
resource2data.remove(resourceId);
locks.remove(data);
@@ -199,7 +199,7 @@ public class SimpleLockManager {
/**
* Determines if a resource is locked by anyone.
*
- * @param resourceId
+ * @param resourceId resource id
* @return {@code true} if the resource is locked, {@code false} otherwise
* @throws IllegalArgumentException if the resourceId is {@code null}
*/
@@ -211,7 +211,7 @@ public class SimpleLockManager {
boolean locked;
- synchronized(locker) {
+ synchronized (locker) {
cleanUpLocks();
locked = resource2data.containsKey(resourceId);
@@ -225,8 +225,8 @@ public class SimpleLockManager {
/**
* Determines if a resource is locked by a particular owner.
*
- * @param resourceId
- * @param owner
+ * @param resourceId resource id
+ * @param owner owner
* @return {@code true} if the resource is locked, {@code false} otherwise
* @throws IllegalArgumentException if the resourceId or owner is {@code null}
*/
@@ -242,7 +242,7 @@ public class SimpleLockManager {
Data data;
- synchronized(locker) {
+ synchronized (locker) {
cleanUpLocks();
data = resource2data.get(resourceId);
@@ -260,14 +260,13 @@ public class SimpleLockManager {
private void cleanUpLocks() {
long tcur = currentTime.getMillis();
- synchronized(locker) {
+ synchronized (locker) {
Iterator<Data> it = locks.iterator();
- while(it.hasNext()) {
- Data d = it.next();
- if(d.getExpirationMs() <= tcur) {
+ while (it.hasNext()) {
+ Data data = it.next();
+ if (data.getExpirationMs() <= tcur) {
it.remove();
- resource2data.remove(d.getResource());
-
+ resource2data.remove(data.getResource());
} else {
break;
}
@@ -307,10 +306,11 @@ public class SimpleLockManager {
private final long texpireMs;
/**
+ * Constructor.
*
- * @param resource
- * @param owner
- * @param texpireMs
+ * @param resource resource
+ * @param owner owner
+ * @param texpireMs time expire in milliseconds
*/
public Data(String owner, String resource, long texpireMs) {
this.owner = owner;
@@ -331,12 +331,14 @@ public class SimpleLockManager {
}
@Override
- public int compareTo(Data o) {
- int diff = Long.compare(texpireMs, o.texpireMs);
- if(diff == 0)
- diff = resource.compareTo(o.resource);
- if(diff == 0)
- diff = owner.compareTo(o.owner);
+ public int compareTo(Data data) {
+ int diff = Long.compare(texpireMs, data.texpireMs);
+ if (diff == 0) {
+ diff = resource.compareTo(data.resource);
+ }
+ if (diff == 0) {
+ diff = owner.compareTo(data.owner);
+ }
return diff;
}
@@ -352,23 +354,30 @@ public class SimpleLockManager {
@Override
public boolean equals(Object obj) {
- if (this == obj)
+ if (this == obj) {
return true;
- if (obj == null)
+ }
+ if (obj == null) {
return false;
- if (getClass() != obj.getClass())
+ }
+ if (getClass() != obj.getClass()) {
return false;
+ }
Data other = (Data) obj;
if (owner == null) {
- if (other.owner != null)
+ if (other.owner != null) {
return false;
- } else if (!owner.equals(other.owner))
+ }
+ } else if (!owner.equals(other.owner)) {
return false;
+ }
if (resource == null) {
- if (other.resource != null)
+ if (other.resource != null) {
return false;
- } else if (!resource.equals(other.resource))
+ }
+ } else if (!resource.equals(other.resource)) {
return false;
+ }
return (texpireMs == other.texpireMs);
}
}
diff --git a/policy-core/src/main/java/org/onap/policy/drools/util/FeatureEnabledChecker.java b/policy-core/src/main/java/org/onap/policy/drools/util/FeatureEnabledChecker.java
index e604c30a..3bbfdcf4 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/util/FeatureEnabledChecker.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/util/FeatureEnabledChecker.java
@@ -28,7 +28,7 @@ import java.util.Properties;
public class FeatureEnabledChecker {
/**
- *
+ * Constructor.
*/
private FeatureEnabledChecker() {
super();
diff --git a/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java b/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java
index 16e166d2..a3efe433 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java
@@ -37,16 +37,16 @@ import org.kie.api.builder.model.KieModuleModel;
import org.kie.scanner.MavenRepository;
/**
- * Kie related utilities
+ * Kie related utilities.
*/
public class KieUtils {
- private KieUtils() {
- throw new IllegalStateException("Utility class");
- }
-
+ private KieUtils() {
+ throw new IllegalStateException("Utility class");
+ }
+
/**
- * Installs a rules artifact in the local maven repository
+ * Installs a rules artifact in the local maven repository.
*
* @param kmodule kmodule specification
* @param pom pom
@@ -56,7 +56,8 @@ public class KieUtils {
* @return releaseId result o a sucessful installation
* @throws IOException error accessing necessary resources
*/
- public static ReleaseId installArtifact(String kmodule, String pom, String drlKJarPath, String drl) throws IOException {
+ public static ReleaseId installArtifact(String kmodule, String pom, String drlKJarPath,
+ String drl) throws IOException {
KieModuleModel kieModule = KieModuleModelImpl.fromXML(kmodule);
final KieFileSystem kieFileSystem = KieServices.Factory.get().newKieFileSystem();
@@ -72,15 +73,15 @@ public class KieUtils {
pomFile.deleteOnExit();
ReleaseId releaseId = kieBuilder.getKieModule().getReleaseId();
- MavenRepository.getMavenRepository().
- installArtifact(releaseId,
+ MavenRepository.getMavenRepository()
+ .installArtifact(releaseId,
(InternalKieModule) kieBuilder.getKieModule(),
pomFile);
return releaseId;
}
/**
- * Installs a rules artifact in the local maven repository
+ * Installs a rules artifact in the local maven repository.
*
* @param kmodule kmodule specification
* @param pom pom
@@ -101,16 +102,17 @@ public class KieUtils {
KieBuilder kieBuilder = kieBuild(kieFileSystem);
ReleaseId releaseId = kieBuilder.getKieModule().getReleaseId();
- MavenRepository.getMavenRepository().
- installArtifact(releaseId, (InternalKieModule) kieBuilder.getKieModule(), pom);
+ MavenRepository.getMavenRepository()
+ .installArtifact(releaseId, (InternalKieModule) kieBuilder.getKieModule(), pom);
return releaseId;
}
private static KieBuilder kieBuild(KieFileSystem kieFileSystem) {
KieBuilder kieBuilder = KieServices.Factory.get().newKieBuilder(kieFileSystem);
List<Message> messages = kieBuilder.buildAll().getResults().getMessages();
- if (messages != null && !messages.isEmpty())
+ if (messages != null && !messages.isEmpty()) {
throw new IllegalArgumentException(messages.toString());
+ }
return kieBuilder;
}
}