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authorJorge Hernandez <jorge.hernandez-herrero@att.com>2019-01-10 17:24:53 -0600
committerJorge Hernandez <jorge.hernandez-herrero@att.com>2019-01-11 20:37:19 -0600
commit55f5c4dc9e130e48a25b048e1f3091b10c17e365 (patch)
tree2db4bf0af7a00a91f207137afff93e46ac8b2942 /policy-endpoints/src/main/java/org
parent2fa29d8632a6dc9fb855a732320b679d724f384f (diff)
Adding NOOP sources support
In addition, Noop* classes have been refactored to increase code reuse and clean some checkstyle issues. Additional Junits have been added for existing functionality. Change-Id: I072f9ff2f415630ac82eca949a8360249f73da86 Issue-ID: POLICY-1397 Signed-off-by: Jorge Hernandez <jorge.hernandez-herrero@att.com>
Diffstat (limited to 'policy-endpoints/src/main/java/org')
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpoint.java493
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpointProxy.java489
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSinkFactory.java2
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSourceFactory.java2
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicEndpoint.java144
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicFactory.java112
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSink.java105
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSinkFactory.java206
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSource.java59
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSourceFactory.java54
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseFactory.java77
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseHashedFactory.java197
-rw-r--r--policy-endpoints/src/main/java/org/onap/policy/common/endpoints/properties/PolicyEndPointProperties.java6
13 files changed, 1207 insertions, 739 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpoint.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpoint.java
index f4080b29..52c1f07b 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpoint.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpoint.java
@@ -1,8 +1,8 @@
/*
* ============LICENSE_START=======================================================
- * policy-endpoints
+ * ONAP
* ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -20,21 +20,16 @@
package org.onap.policy.common.endpoints.event.comm;
-import com.fasterxml.jackson.annotation.JsonIgnore;
-
-import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
-
import org.onap.policy.common.capabilities.Lockable;
import org.onap.policy.common.capabilities.Startable;
import org.onap.policy.common.endpoints.event.comm.bus.DmaapTopicSink;
import org.onap.policy.common.endpoints.event.comm.bus.DmaapTopicSource;
import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicSink;
+import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicSource;
import org.onap.policy.common.endpoints.event.comm.bus.UebTopicSink;
import org.onap.policy.common.endpoints.event.comm.bus.UebTopicSource;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
/**
* Abstraction to managed the system's Networked Topic Endpoints, sources of all events input into
@@ -45,7 +40,7 @@ public interface TopicEndpoint extends Startable, Lockable {
/**
* singleton for global access.
*/
- public static final TopicEndpoint manager = new ProxyTopicEndpointManager();
+ TopicEndpoint manager = new TopicEndpointProxy();
/**
* Add Topic Sources to the communication infrastructure initialized per properties.
@@ -54,7 +49,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* @return a generic Topic Source
* @throws IllegalArgumentException when invalid arguments are provided
*/
- public List<TopicSource> addTopicSources(Properties properties);
+ List<TopicSource> addTopicSources(Properties properties);
/**
* Add Topic Sinks to the communication infrastructure initialized per properties.
@@ -63,7 +58,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* @return a generic Topic Sink
* @throws IllegalArgumentException when invalid arguments are provided
*/
- public List<TopicSink> addTopicSinks(Properties properties);
+ List<TopicSink> addTopicSinks(Properties properties);
/**
* Gets all Topic Sources.
@@ -81,7 +76,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* @throws IllegalStateException if the entity is in an invalid state
* @throws IllegalArgumentException if invalid parameters are present
*/
- public List<TopicSource> getTopicSources(List<String> topicNames);
+ List<TopicSource> getTopicSources(List<String> topicNames);
/**
* Gets the Topic Source for the given topic name and underlying communication infrastructure
@@ -96,7 +91,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* @throws IllegalArgumentException if invalid parameters are present
* @throws UnsupportedOperationException if the operation is not supported.
*/
- public TopicSource getTopicSource(Topic.CommInfrastructure commType, String topicName);
+ TopicSource getTopicSource(Topic.CommInfrastructure commType, String topicName);
/**
* Get the UEB Topic Source for the given topic name.
@@ -108,7 +103,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* TopicReaders for a topic name and communication infrastructure
* @throws IllegalArgumentException if invalid parameters are present
*/
- public UebTopicSource getUebTopicSource(String topicName);
+ UebTopicSource getUebTopicSource(String topicName);
/**
* Get the DMAAP Topic Source for the given topic name.
@@ -120,7 +115,15 @@ public interface TopicEndpoint extends Startable, Lockable {
* TopicReaders for a topic name and communication infrastructure
* @throws IllegalArgumentException if invalid parameters are present
*/
- public DmaapTopicSource getDmaapTopicSource(String topicName);
+ DmaapTopicSource getDmaapTopicSource(String topicName);
+
+ /**
+ * Get the Noop Source for the given topic name.
+ *
+ * @param topicName the topic name.
+ * @return the Noop Source.
+ */
+ NoopTopicSource getNoopTopicSource(String topicName);
/**
* Get the Topic Sinks for the given topic name.
@@ -128,7 +131,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* @param topicNames the topic names
* @return the Topic Sink List
*/
- public List<TopicSink> getTopicSinks(List<String> topicNames);
+ List<TopicSink> getTopicSinks(List<String> topicNames);
/**
* Get the Topic Sinks for the given topic name and all the underlying communication
@@ -141,14 +144,14 @@ public interface TopicEndpoint extends Startable, Lockable {
* TopicWriters for a topic name and communication infrastructure
* @throws IllegalArgumentException if invalid parameters are present
*/
- public List<TopicSink> getTopicSinks(String topicName);
+ List<TopicSink> getTopicSinks(String topicName);
/**
* Gets all Topic Sinks.
*
* @return the Topic Sink List
*/
- public List<TopicSink> getTopicSinks();
+ List<TopicSink> getTopicSinks();
/**
* Get the Topic Sinks for the given topic name and underlying communication infrastructure type.
@@ -161,7 +164,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* TopicWriters for a topic name and communication infrastructure
* @throws IllegalArgumentException if invalid parameters are present
*/
- public TopicSink getTopicSink(Topic.CommInfrastructure commType, String topicName);
+ TopicSink getTopicSink(Topic.CommInfrastructure commType, String topicName);
/**
* Get the UEB Topic Source for the given topic name.
@@ -173,7 +176,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* TopicReaders for a topic name and communication infrastructure
* @throws IllegalArgumentException if invalid parameters are present
*/
- public UebTopicSink getUebTopicSink(String topicName);
+ UebTopicSink getUebTopicSink(String topicName);
/**
* Get the no-op Topic Sink for the given topic name.
@@ -185,7 +188,7 @@ public interface TopicEndpoint extends Startable, Lockable {
* TopicReaders for a topic name and communication infrastructure
* @throws IllegalArgumentException if invalid parameters are present
*/
- public NoopTopicSink getNoopTopicSink(String topicName);
+ NoopTopicSink getNoopTopicSink(String topicName);
/**
* Get the DMAAP Topic Source for the given topic name.
@@ -197,469 +200,47 @@ public interface TopicEndpoint extends Startable, Lockable {
* TopicReaders for a topic name and communication infrastructure
* @throws IllegalArgumentException if invalid parameters are present
*/
- public DmaapTopicSink getDmaapTopicSink(String topicName);
+ DmaapTopicSink getDmaapTopicSink(String topicName);
/**
* Gets only the UEB Topic Sources.
*
* @return the UEB Topic Source List
*/
- public List<UebTopicSource> getUebTopicSources();
+ List<UebTopicSource> getUebTopicSources();
/**
* Gets only the DMAAP Topic Sources.
*
* @return the DMAAP Topic Source List
*/
- public List<DmaapTopicSource> getDmaapTopicSources();
+ List<DmaapTopicSource> getDmaapTopicSources();
+
+ /**
+ * Gets only the NOOP Topic Sources.
+ *
+ * @return the NOOP Topic Source List
+ */
+ List<NoopTopicSource> getNoopTopicSources();
/**
* Gets only the UEB Topic Sinks.
*
* @return the UEB Topic Sink List
*/
- public List<UebTopicSink> getUebTopicSinks();
+ List<UebTopicSink> getUebTopicSinks();
/**
* Gets only the DMAAP Topic Sinks.
*
* @return the DMAAP Topic Sink List
*/
- public List<DmaapTopicSink> getDmaapTopicSinks();
+ List<DmaapTopicSink> getDmaapTopicSinks();
/**
* Gets only the NOOP Topic Sinks.
*
* @return the NOOP Topic Sinks List
*/
- public List<NoopTopicSink> getNoopTopicSinks();
-}
-
-
-/*
- * ----------------- implementation -------------------
- */
-
-/**
- * This implementation of the Topic Endpoint Manager, proxies operations to appropriate
- * implementations according to the communication infrastructure that are supported.
- */
-class ProxyTopicEndpointManager implements TopicEndpoint {
- /**
- * Logger.
- */
- private static Logger logger = LoggerFactory.getLogger(ProxyTopicEndpointManager.class);
- /**
- * Is this element locked boolean.
- */
- protected volatile boolean locked = false;
-
- /**
- * Is this element alive boolean.
- */
- protected volatile boolean alive = false;
-
- @Override
- public List<TopicSource> addTopicSources(Properties properties) {
-
- // 1. Create UEB Sources
- // 2. Create DMAAP Sources
-
- final List<TopicSource> sources = new ArrayList<>();
-
- sources.addAll(UebTopicSource.factory.build(properties));
- sources.addAll(DmaapTopicSource.factory.build(properties));
-
- if (this.isLocked()) {
- for (final TopicSource source : sources) {
- source.lock();
- }
- }
-
- return sources;
- }
-
- @Override
- public List<TopicSink> addTopicSinks(Properties properties) {
- // 1. Create UEB Sinks
- // 2. Create DMAAP Sinks
-
- final List<TopicSink> sinks = new ArrayList<>();
-
- sinks.addAll(UebTopicSink.factory.build(properties));
- sinks.addAll(DmaapTopicSink.factory.build(properties));
- sinks.addAll(NoopTopicSink.factory.build(properties));
-
- if (this.isLocked()) {
- for (final TopicSink sink : sinks) {
- sink.lock();
- }
- }
-
- return sinks;
- }
-
- @Override
- public List<TopicSource> getTopicSources() {
-
- final List<TopicSource> sources = new ArrayList<>();
-
- sources.addAll(UebTopicSource.factory.inventory());
- sources.addAll(DmaapTopicSource.factory.inventory());
-
- return sources;
- }
-
- @Override
- public List<TopicSource> getTopicSources(List<String> topicNames) {
-
- if (topicNames == null) {
- throw new IllegalArgumentException("must provide a list of topics");
- }
-
- final List<TopicSource> sources = new ArrayList<>();
- for (final String topic : topicNames) {
- try {
- final TopicSource uebSource = this.getUebTopicSource(topic);
- if (uebSource != null) {
- sources.add(uebSource);
- }
- } catch (final Exception e) {
- logger.debug("No UEB source for topic: {}", topic, e);
- }
-
- try {
- final TopicSource dmaapSource = this.getDmaapTopicSource(topic);
- if (dmaapSource != null) {
- sources.add(dmaapSource);
- }
- } catch (final Exception e) {
- logger.debug("No DMAAP source for topic: {}", topic, e);
- }
- }
- return sources;
- }
-
- @Override
- public List<TopicSink> getTopicSinks() {
-
- final List<TopicSink> sinks = new ArrayList<>();
-
- sinks.addAll(UebTopicSink.factory.inventory());
- sinks.addAll(DmaapTopicSink.factory.inventory());
- sinks.addAll(NoopTopicSink.factory.inventory());
-
- return sinks;
- }
-
- @Override
- public List<TopicSink> getTopicSinks(List<String> topicNames) {
-
- if (topicNames == null) {
- throw new IllegalArgumentException("must provide a list of topics");
- }
-
- final List<TopicSink> sinks = new ArrayList<>();
- for (final String topic : topicNames) {
- try {
- final TopicSink uebSink = this.getUebTopicSink(topic);
- if (uebSink != null) {
- sinks.add(uebSink);
- }
- } catch (final Exception e) {
- logger.debug("No UEB sink for topic: {}", topic, e);
- }
-
- try {
- final TopicSink dmaapSink = this.getDmaapTopicSink(topic);
- if (dmaapSink != null) {
- sinks.add(dmaapSink);
- }
- } catch (final Exception e) {
- logger.debug("No DMAAP sink for topic: {}", topic, e);
- }
-
- try {
- final TopicSink noopSink = this.getNoopTopicSink(topic);
- if (noopSink != null) {
- sinks.add(noopSink);
- }
- } catch (final Exception e) {
- logger.debug("No NOOP sink for topic: {}", topic, e);
- }
- }
- return sinks;
- }
-
- @Override
- public List<TopicSink> getTopicSinks(String topicName) {
- if (topicName == null) {
- throw parmException(topicName);
- }
-
- final List<TopicSink> sinks = new ArrayList<>();
-
- try {
- sinks.add(this.getUebTopicSink(topicName));
- } catch (final Exception e) {
- logNoSink(topicName, e);
- }
-
- try {
- sinks.add(this.getDmaapTopicSink(topicName));
- } catch (final Exception e) {
- logNoSink(topicName, e);
- }
-
- try {
- sinks.add(this.getNoopTopicSink(topicName));
- } catch (final Exception e) {
- logNoSink(topicName, e);
- }
-
- return sinks;
- }
-
- @JsonIgnore
- @Override
- public List<UebTopicSource> getUebTopicSources() {
- return UebTopicSource.factory.inventory();
- }
-
- @JsonIgnore
- @Override
- public List<DmaapTopicSource> getDmaapTopicSources() {
- return DmaapTopicSource.factory.inventory();
- }
-
- @JsonIgnore
- @Override
- public List<UebTopicSink> getUebTopicSinks() {
- return UebTopicSink.factory.inventory();
- }
-
- @JsonIgnore
- @Override
- public List<DmaapTopicSink> getDmaapTopicSinks() {
- return DmaapTopicSink.factory.inventory();
- }
-
- @JsonIgnore
- @Override
- public List<NoopTopicSink> getNoopTopicSinks() {
- return NoopTopicSink.factory.inventory();
- }
-
- @Override
- public boolean start() {
-
- synchronized (this) {
- if (this.locked) {
- throw new IllegalStateException(this + " is locked");
- }
-
- if (this.alive) {
- return true;
- }
-
- this.alive = true;
- }
-
- final List<Startable> endpoints = this.getEndpoints();
-
- boolean success = true;
- for (final Startable endpoint : endpoints) {
- try {
- success = endpoint.start() && success;
- } catch (final Exception e) {
- success = false;
- logger.error("Problem starting endpoint: {}", endpoint, e);
- }
- }
-
- return success;
- }
-
-
- @Override
- public boolean stop() {
-
- /*
- * stop regardless if it is locked, in other words, stop operation has precedence over
- * locks.
- */
- synchronized (this) {
- this.alive = false;
- }
-
- final List<Startable> endpoints = this.getEndpoints();
-
- boolean success = true;
- for (final Startable endpoint : endpoints) {
- try {
- success = endpoint.stop() && success;
- } catch (final Exception e) {
- success = false;
- logger.error("Problem stopping endpoint: {}", endpoint, e);
- }
- }
-
- return success;
- }
-
- /**
- * Gets the endpoints.
- *
- * @return list of managed endpoints
- */
- @JsonIgnore
- protected List<Startable> getEndpoints() {
- final List<Startable> endpoints = new ArrayList<>();
-
- endpoints.addAll(this.getTopicSources());
- endpoints.addAll(this.getTopicSinks());
-
- return endpoints;
- }
-
- @Override
- public void shutdown() {
- UebTopicSource.factory.destroy();
- UebTopicSink.factory.destroy();
- NoopTopicSink.factory.destroy();
-
- DmaapTopicSource.factory.destroy();
- DmaapTopicSink.factory.destroy();
- }
-
- @Override
- public boolean isAlive() {
- return this.alive;
- }
-
- @Override
- public boolean lock() {
-
- synchronized (this) {
- if (this.locked) {
- return true;
- }
-
- this.locked = true;
- }
-
- for (final TopicSource source : this.getTopicSources()) {
- source.lock();
- }
-
- for (final TopicSink sink : this.getTopicSinks()) {
- sink.lock();
- }
-
- return true;
- }
-
- @Override
- public boolean unlock() {
- synchronized (this) {
- if (!this.locked) {
- return true;
- }
-
- this.locked = false;
- }
-
- for (final TopicSource source : this.getTopicSources()) {
- source.unlock();
- }
-
- for (final TopicSink sink : this.getTopicSinks()) {
- sink.unlock();
- }
-
- return true;
- }
-
- @Override
- public boolean isLocked() {
- return this.locked;
- }
-
- @Override
- public TopicSource getTopicSource(Topic.CommInfrastructure commType, String topicName) {
-
- if (commType == null) {
- throw parmException(topicName);
- }
-
- if (topicName == null) {
- throw parmException(topicName);
- }
-
- switch (commType) {
- case UEB:
- return this.getUebTopicSource(topicName);
- case DMAAP:
- return this.getDmaapTopicSource(topicName);
- default:
- throw new UnsupportedOperationException("Unsupported " + commType.name());
- }
- }
-
- private IllegalArgumentException parmException(String topicName) {
- return new IllegalArgumentException(
- "Invalid parameter: a communication infrastructure required to fetch " + topicName);
- }
-
- @Override
- public TopicSink getTopicSink(Topic.CommInfrastructure commType, String topicName) {
- if (commType == null) {
- throw parmException(topicName);
- }
-
- if (topicName == null) {
- throw parmException(topicName);
- }
-
- switch (commType) {
- case UEB:
- return this.getUebTopicSink(topicName);
- case DMAAP:
- return this.getDmaapTopicSink(topicName);
- case NOOP:
- return this.getNoopTopicSink(topicName);
- default:
- throw new UnsupportedOperationException("Unsupported " + commType.name());
- }
- }
-
- private void logNoSink(String topicName, Exception ex) {
- logger.debug("No sink for topic: {}", topicName, ex);
- }
-
- @Override
- public UebTopicSource getUebTopicSource(String topicName) {
- return UebTopicSource.factory.get(topicName);
- }
-
- @Override
- public UebTopicSink getUebTopicSink(String topicName) {
- return UebTopicSink.factory.get(topicName);
- }
-
- @Override
- public DmaapTopicSource getDmaapTopicSource(String topicName) {
- return DmaapTopicSource.factory.get(topicName);
- }
-
- @Override
- public DmaapTopicSink getDmaapTopicSink(String topicName) {
- return DmaapTopicSink.factory.get(topicName);
- }
-
- @Override
- public NoopTopicSink getNoopTopicSink(String topicName) {
- return NoopTopicSink.factory.get(topicName);
- }
-
+ List<NoopTopicSink> getNoopTopicSinks();
}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpointProxy.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpointProxy.java
new file mode 100644
index 00000000..9912761f
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/TopicEndpointProxy.java
@@ -0,0 +1,489 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2017-2019 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.
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.capabilities.Startable;
+import org.onap.policy.common.endpoints.event.comm.bus.DmaapTopicSink;
+import org.onap.policy.common.endpoints.event.comm.bus.DmaapTopicSource;
+import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicSink;
+import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicSource;
+import org.onap.policy.common.endpoints.event.comm.bus.UebTopicSink;
+import org.onap.policy.common.endpoints.event.comm.bus.UebTopicSource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This implementation of the Topic Endpoint Manager, proxies operations to the appropriate
+ * implementation(s).
+ */
+class TopicEndpointProxy implements TopicEndpoint {
+ /**
+ * Logger.
+ */
+ private static final Logger logger = LoggerFactory.getLogger(TopicEndpointProxy.class);
+
+ /**
+ * Is this element locked boolean.
+ */
+ private volatile boolean locked = false;
+
+ /**
+ * Is this element alive boolean.
+ */
+ private volatile boolean alive = false;
+
+ @Override
+ public List<TopicSource> addTopicSources(Properties properties) {
+
+ // 1. Create UEB Sources
+ // 2. Create DMAAP Sources
+ // 3. Create NOOP Sources
+
+ List<TopicSource> sources = new ArrayList<>();
+
+ sources.addAll(UebTopicSource.factory.build(properties));
+ sources.addAll(DmaapTopicSource.factory.build(properties));
+ sources.addAll(NoopTopicSource.factory.build(properties));
+
+ if (this.isLocked()) {
+ for (final TopicSource source : sources) {
+ source.lock();
+ }
+ }
+
+ return sources;
+ }
+
+ @Override
+ public List<TopicSink> addTopicSinks(Properties properties) {
+ // 1. Create UEB Sinks
+ // 2. Create DMAAP Sinks
+ // 3. Create NOOP Sinks
+
+ final List<TopicSink> sinks = new ArrayList<>();
+
+ sinks.addAll(UebTopicSink.factory.build(properties));
+ sinks.addAll(DmaapTopicSink.factory.build(properties));
+ sinks.addAll(NoopTopicSink.factory.build(properties));
+
+ if (this.isLocked()) {
+ for (final TopicSink sink : sinks) {
+ sink.lock();
+ }
+ }
+
+ return sinks;
+ }
+
+ @Override
+ public List<TopicSource> getTopicSources() {
+
+ final List<TopicSource> sources = new ArrayList<>();
+
+ sources.addAll(UebTopicSource.factory.inventory());
+ sources.addAll(DmaapTopicSource.factory.inventory());
+ sources.addAll(NoopTopicSource.factory.inventory());
+
+ return sources;
+ }
+
+ @Override
+ public List<TopicSource> getTopicSources(List<String> topicNames) {
+
+ if (topicNames == null) {
+ throw new IllegalArgumentException("must provide a list of topics");
+ }
+
+ final List<TopicSource> sources = new ArrayList<>();
+ for (final String topic : topicNames) {
+ try {
+ final TopicSource uebSource = this.getUebTopicSource(topic);
+ if (uebSource != null) {
+ sources.add(uebSource);
+ }
+ } catch (final Exception e) {
+ logger.debug("No UEB source for topic: {}", topic, e);
+ }
+
+ try {
+ final TopicSource dmaapSource = this.getDmaapTopicSource(topic);
+ if (dmaapSource != null) {
+ sources.add(dmaapSource);
+ }
+ } catch (final Exception e) {
+ logger.debug("No DMAAP source for topic: {}", topic, e);
+ }
+
+ try {
+ final TopicSource noopSource = this.getNoopTopicSource(topic);
+ if (noopSource != null) {
+ sources.add(noopSource);
+ }
+ } catch (final Exception e) {
+ logger.debug("No NOOP source for topic: {}", topic, e);
+ }
+ }
+ return sources;
+ }
+
+ @Override
+ public List<TopicSink> getTopicSinks() {
+
+ final List<TopicSink> sinks = new ArrayList<>();
+
+ sinks.addAll(UebTopicSink.factory.inventory());
+ sinks.addAll(DmaapTopicSink.factory.inventory());
+ sinks.addAll(NoopTopicSink.factory.inventory());
+
+ return sinks;
+ }
+
+ @Override
+ public List<TopicSink> getTopicSinks(List<String> topicNames) {
+
+ if (topicNames == null) {
+ throw new IllegalArgumentException("must provide a list of topics");
+ }
+
+ final List<TopicSink> sinks = new ArrayList<>();
+ for (final String topic : topicNames) {
+ try {
+ final TopicSink uebSink = this.getUebTopicSink(topic);
+ if (uebSink != null) {
+ sinks.add(uebSink);
+ }
+ } catch (final Exception e) {
+ logger.debug("No UEB sink for topic: {}", topic, e);
+ }
+
+ try {
+ final TopicSink dmaapSink = this.getDmaapTopicSink(topic);
+ if (dmaapSink != null) {
+ sinks.add(dmaapSink);
+ }
+ } catch (final Exception e) {
+ logger.debug("No DMAAP sink for topic: {}", topic, e);
+ }
+
+ try {
+ final TopicSink noopSink = this.getNoopTopicSink(topic);
+ if (noopSink != null) {
+ sinks.add(noopSink);
+ }
+ } catch (final Exception e) {
+ logger.debug("No NOOP sink for topic: {}", topic, e);
+ }
+ }
+ return sinks;
+ }
+
+ @Override
+ public List<TopicSink> getTopicSinks(String topicName) {
+ if (topicName == null) {
+ throw parmException(null);
+ }
+
+ final List<TopicSink> sinks = new ArrayList<>();
+
+ try {
+ sinks.add(this.getUebTopicSink(topicName));
+ } catch (final Exception e) {
+ logNoSink(topicName, e);
+ }
+
+ try {
+ sinks.add(this.getDmaapTopicSink(topicName));
+ } catch (final Exception e) {
+ logNoSink(topicName, e);
+ }
+
+ try {
+ sinks.add(this.getNoopTopicSink(topicName));
+ } catch (final Exception e) {
+ logNoSink(topicName, e);
+ }
+
+ return sinks;
+ }
+
+ @JsonIgnore
+ @Override
+ public List<UebTopicSource> getUebTopicSources() {
+ return UebTopicSource.factory.inventory();
+ }
+
+ @JsonIgnore
+ @Override
+ public List<DmaapTopicSource> getDmaapTopicSources() {
+ return DmaapTopicSource.factory.inventory();
+ }
+
+ @Override
+ public List<NoopTopicSource> getNoopTopicSources() {
+ return NoopTopicSource.factory.inventory();
+ }
+
+ @JsonIgnore
+ @Override
+ public List<UebTopicSink> getUebTopicSinks() {
+ return UebTopicSink.factory.inventory();
+ }
+
+ @JsonIgnore
+ @Override
+ public List<DmaapTopicSink> getDmaapTopicSinks() {
+ return DmaapTopicSink.factory.inventory();
+ }
+
+ @JsonIgnore
+ @Override
+ public List<NoopTopicSink> getNoopTopicSinks() {
+ return NoopTopicSink.factory.inventory();
+ }
+
+ @Override
+ public boolean start() {
+
+ synchronized (this) {
+ if (this.locked) {
+ throw new IllegalStateException(this + " is locked");
+ }
+
+ if (this.alive) {
+ return true;
+ }
+
+ this.alive = true;
+ }
+
+ final List<Startable> endpoints = this.getEndpoints();
+
+ boolean success = true;
+ for (final Startable endpoint : endpoints) {
+ try {
+ success = endpoint.start() && success;
+ } catch (final Exception e) {
+ success = false;
+ logger.error("Problem starting endpoint: {}", endpoint, e);
+ }
+ }
+
+ return success;
+ }
+
+ @Override
+ public boolean stop() {
+
+ /*
+ * stop regardless if it is locked, in other words, stop operation has precedence over
+ * locks.
+ */
+ synchronized (this) {
+ this.alive = false;
+ }
+
+ final List<Startable> endpoints = this.getEndpoints();
+
+ boolean success = true;
+ for (final Startable endpoint : endpoints) {
+ try {
+ success = endpoint.stop() && success;
+ } catch (final Exception e) {
+ success = false;
+ logger.error("Problem stopping endpoint: {}", endpoint, e);
+ }
+ }
+
+ return success;
+ }
+
+ /**
+ * Gets the endpoints.
+ *
+ * @return list of managed endpoints
+ */
+ @JsonIgnore
+ protected List<Startable> getEndpoints() {
+ final List<Startable> endpoints = new ArrayList<>();
+
+ endpoints.addAll(this.getTopicSources());
+ endpoints.addAll(this.getTopicSinks());
+
+ return endpoints;
+ }
+
+ @Override
+ public void shutdown() {
+ this.stop();
+
+ UebTopicSource.factory.destroy();
+ UebTopicSink.factory.destroy();
+
+ DmaapTopicSource.factory.destroy();
+ DmaapTopicSink.factory.destroy();
+
+ NoopTopicSink.factory.destroy();
+ NoopTopicSource.factory.destroy();
+
+ }
+
+ @Override
+ public boolean isAlive() {
+ return this.alive;
+ }
+
+ @Override
+ public boolean lock() {
+
+ synchronized (this) {
+ if (this.locked) {
+ return true;
+ }
+
+ this.locked = true;
+ }
+
+ for (final TopicSource source : this.getTopicSources()) {
+ source.lock();
+ }
+
+ for (final TopicSink sink : this.getTopicSinks()) {
+ sink.lock();
+ }
+
+ return true;
+ }
+
+ @Override
+ public boolean unlock() {
+ synchronized (this) {
+ if (!this.locked) {
+ return true;
+ }
+
+ this.locked = false;
+ }
+
+ for (final TopicSource source : this.getTopicSources()) {
+ source.unlock();
+ }
+
+ for (final TopicSink sink : this.getTopicSinks()) {
+ sink.unlock();
+ }
+
+ return true;
+ }
+
+ @Override
+ public boolean isLocked() {
+ return this.locked;
+ }
+
+ @Override
+ public TopicSource getTopicSource(Topic.CommInfrastructure commType, String topicName) {
+
+ if (commType == null) {
+ throw parmException(topicName);
+ }
+
+ if (topicName == null) {
+ throw parmException(null);
+ }
+
+ switch (commType) {
+ case UEB:
+ return this.getUebTopicSource(topicName);
+ case DMAAP:
+ return this.getDmaapTopicSource(topicName);
+ case NOOP:
+ return this.getNoopTopicSource(topicName);
+ default:
+ throw new UnsupportedOperationException("Unsupported " + commType.name());
+ }
+ }
+
+ @Override
+ public TopicSink getTopicSink(Topic.CommInfrastructure commType, String topicName) {
+ if (commType == null) {
+ throw parmException(topicName);
+ }
+
+ if (topicName == null) {
+ throw parmException(null);
+ }
+
+ switch (commType) {
+ case UEB:
+ return this.getUebTopicSink(topicName);
+ case DMAAP:
+ return this.getDmaapTopicSink(topicName);
+ case NOOP:
+ return this.getNoopTopicSink(topicName);
+ default:
+ throw new UnsupportedOperationException("Unsupported " + commType.name());
+ }
+ }
+
+ @Override
+ public UebTopicSource getUebTopicSource(String topicName) {
+ return UebTopicSource.factory.get(topicName);
+ }
+
+ @Override
+ public UebTopicSink getUebTopicSink(String topicName) {
+ return UebTopicSink.factory.get(topicName);
+ }
+
+ @Override
+ public DmaapTopicSource getDmaapTopicSource(String topicName) {
+ return DmaapTopicSource.factory.get(topicName);
+ }
+
+ @Override
+ public NoopTopicSource getNoopTopicSource(String topicName) {
+ return NoopTopicSource.factory.get(topicName);
+ }
+
+ @Override
+ public DmaapTopicSink getDmaapTopicSink(String topicName) {
+ return DmaapTopicSink.factory.get(topicName);
+ }
+
+ @Override
+ public NoopTopicSink getNoopTopicSink(String topicName) {
+ return NoopTopicSink.factory.get(topicName);
+ }
+
+ private IllegalArgumentException parmException(String topicName) {
+ return new IllegalArgumentException(
+ "Invalid parameter: a communication infrastructure required to fetch " + topicName);
+ }
+
+ private void logNoSink(String topicName, Exception ex) {
+ logger.debug("No sink for topic: {}", topicName, ex);
+ }
+
+} \ No newline at end of file
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSinkFactory.java
index 7e666417..4c36a39a 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSinkFactory.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSinkFactory.java
@@ -398,7 +398,7 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
if (dmaapTopicWriters.containsKey(topic)) {
return dmaapTopicWriters.get(topic);
} else {
- throw new IllegalArgumentException("DmaapTopicSink for " + topic + " not found");
+ throw new IllegalStateException("DmaapTopicSink for " + topic + " not found");
}
}
}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSourceFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSourceFactory.java
index f45164f8..ae6c6c3b 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSourceFactory.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/DmaapTopicSourceFactory.java
@@ -448,7 +448,7 @@ class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
if (dmaapTopicSources.containsKey(topic)) {
return dmaapTopicSources.get(topic);
} else {
- throw new IllegalArgumentException("DmaapTopiceSource for " + topic + " not found");
+ throw new IllegalStateException("DmaapTopiceSource for " + topic + " not found");
}
}
}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicEndpoint.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicEndpoint.java
new file mode 100644
index 00000000..091e46bf
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicEndpoint.java
@@ -0,0 +1,144 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm.bus;
+
+import java.util.List;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.TopicBase;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * No Operation topic endpoint.
+ */
+public abstract class NoopTopicEndpoint extends TopicBase {
+
+ /**
+ * Logger.
+ */
+ private static Logger logger = LoggerFactory.getLogger(NoopTopicEndpoint.class);
+
+ /**
+ * Network logger.
+ */
+ private static final Logger netLogger = LoggerFactory.getLogger(NETWORK_LOGGER);
+
+ /**
+ * {@inheritDoc}.
+ */
+ public NoopTopicEndpoint(List<String> servers, String topic) {
+ super(servers, topic);
+ }
+
+ /**
+ * I/O.
+ *
+ * @param message message.
+ * @return true if sucessful.
+ */
+ protected boolean io(String message) {
+
+ if (message == null || message.isEmpty()) {
+ throw new IllegalArgumentException("Message is empty");
+ }
+
+ if (!this.alive) {
+ throw new IllegalStateException(this + " is stopped");
+ }
+
+ try {
+ synchronized (this) {
+ this.recentEvents.add(message);
+ }
+
+ netLogger.info("[OUT|{}|{}]{}{}", this.getTopicCommInfrastructure(), this.topic, System.lineSeparator(),
+ message);
+
+ broadcast(message);
+ } catch (Exception e) {
+ logger.warn("{}: cannot send because of {}", this, e.getMessage(), e);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public CommInfrastructure getTopicCommInfrastructure() {
+ return CommInfrastructure.NOOP;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public boolean start() {
+ logger.info("{}: starting", this);
+
+ synchronized (this) {
+
+ if (this.alive) {
+ return true;
+ }
+
+ if (locked) {
+ throw new IllegalStateException(this + " is locked.");
+ }
+
+ this.alive = true;
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public boolean stop() {
+ logger.info("{}: stopping", this);
+
+ synchronized (this) {
+ this.alive = false;
+ }
+ return true;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public void shutdown() {
+ logger.info("{}: shutdown", this);
+
+ this.stop();
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public String toString() {
+ return "NoopTopicEndpoint[" + super.toString() + "]";
+ }
+}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicFactory.java
new file mode 100644
index 00000000..98b6ed6f
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicFactory.java
@@ -0,0 +1,112 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm.bus;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
+import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
+
+/**
+ * Noop Topic Factory.
+ */
+public abstract class NoopTopicFactory<T extends NoopTopicEndpoint> extends TopicBaseHashedFactory<T> {
+
+ /**
+ * Get Topics Property Name.
+ *
+ * @return property name.
+ */
+ protected abstract String getTopicsPropertyName();
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ protected List<String> getTopicNames(Properties properties) {
+ String topics = properties.getProperty(getTopicsPropertyName());
+ if (topics == null || topics.isEmpty()) {
+ return new ArrayList<>();
+ }
+
+ return Arrays.asList(topics.split("\\s*,\\s*"));
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ protected List<String> getServers(String topicName, Properties properties) {
+ String servers =
+ properties.getProperty(getTopicsPropertyName() + "." + topicName
+ + PolicyEndPointProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
+
+ if (servers == null || servers.isEmpty()) {
+ servers = CommInfrastructure.NOOP.toString();
+ }
+
+ return new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*")));
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ protected boolean isManaged(String topicName, Properties properties) {
+ String managedString =
+ properties.getProperty(getTopicsPropertyName()
+ + "." + topicName + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX);
+
+ boolean managed = true;
+ if (managedString != null && !managedString.isEmpty()) {
+ managed = Boolean.parseBoolean(managedString);
+ }
+
+ return managed;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public T build(List<String> serverList, String topic, boolean managed) {
+ List<String> servers;
+ if (serverList == null || serverList.isEmpty()) {
+ servers = Collections.singletonList(CommInfrastructure.NOOP.toString());
+ } else {
+ servers = serverList;
+ }
+
+ return super.build(servers, topic, managed);
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public String toString() {
+ return "NoopTopicFactory[ " + super.toString() + " ]";
+ }
+}
+
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSink.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSink.java
index 5a5f8fbc..f6ad433d 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSink.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSink.java
@@ -1,8 +1,8 @@
-/*-
+/*
* ============LICENSE_START=======================================================
- * policy-endpoints
+ * ONAP
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -21,112 +21,39 @@
package org.onap.policy.common.endpoints.event.comm.bus;
import java.util.List;
-
import org.onap.policy.common.endpoints.event.comm.TopicSink;
-import org.onap.policy.common.endpoints.event.comm.bus.internal.TopicBase;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
/**
- * NOOP topic sink.
+ * No Operation Topic Sink.
*/
-public class NoopTopicSink extends TopicBase implements TopicSink {
+public class NoopTopicSink extends NoopTopicEndpoint implements TopicSink {
/**
- * factory.
+ * Factory.
*/
- public static final NoopTopicSinkFactory factory = new IndexedNoopTopicSinkFactory();
+ public static final NoopTopicSinkFactory factory = new NoopTopicSinkFactory();
/**
- * logger.
- */
- private static Logger logger = LoggerFactory.getLogger(NoopTopicSink.class);
-
- /**
- * net logger.
- */
- private static final Logger netLogger = LoggerFactory.getLogger(NETWORK_LOGGER);
-
- /**
- * constructor.
- *
- * @param servers servers
- * @param topic topic
- * @throws IllegalArgumentException if an invalid argument has been passed in
+ * {@inheritDoc}.
*/
public NoopTopicSink(List<String> servers, String topic) {
super(servers, topic);
}
+ /**
+ * {@inheritDoc}.
+ */
@Override
public boolean send(String message) {
-
- if (message == null || message.isEmpty()) {
- throw new IllegalArgumentException("Message to send is empty");
- }
-
- if (!this.alive) {
- throw new IllegalStateException(this + " is stopped");
- }
-
- try {
- synchronized (this) {
- this.recentEvents.add(message);
- }
-
- netLogger.info("[OUT|{}|{}]{}{}", this.getTopicCommInfrastructure(), this.topic, System.lineSeparator(),
- message);
-
- broadcast(message);
- } catch (Exception e) {
- logger.warn("{}: cannot send because of {}", this, e.getMessage(), e);
- return false;
- }
-
- return true;
- }
-
- @Override
- public CommInfrastructure getTopicCommInfrastructure() {
- return CommInfrastructure.NOOP;
- }
-
- @Override
- public boolean start() {
- logger.info("{}: starting", this);
-
- synchronized (this) {
-
- if (this.alive) {
- return true;
- }
-
- if (locked) {
- throw new IllegalStateException(this + " is locked.");
- }
-
- this.alive = true;
- }
-
- return true;
- }
-
- @Override
- public boolean stop() {
- synchronized (this) {
- this.alive = false;
- }
- return true;
- }
-
- @Override
- public void shutdown() {
- this.stop();
+ return super.io(message);
}
+ /**
+ * {@inheritDoc}.
+ */
@Override
public String toString() {
- return "NoopTopicSink [toString()=" + super.toString() + "]";
+ return "NoopTopicSink[" + super.toString() + "]";
}
}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSinkFactory.java
index b2c50184..0c38d196 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSinkFactory.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSinkFactory.java
@@ -1,8 +1,8 @@
/*
* ============LICENSE_START=======================================================
- * policy-endpoints
+ * ONAP
* ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -20,209 +20,37 @@
package org.onap.policy.common.endpoints.event.comm.bus;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
import java.util.List;
-import java.util.Properties;
-
import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
/**
* Noop Topic Sink Factory.
*/
-public interface NoopTopicSinkFactory {
-
- /**
- * Creates noop topic sinks based on properties files.
- *
- * @param properties Properties containing initialization values
- *
- * @return a noop topic sink
- * @throws IllegalArgumentException if invalid parameters are present
- */
- List<NoopTopicSink> build(Properties properties);
-
- /**
- * builds a noop sink.
- *
- * @param servers list of servers
- * @param topic topic name
- * @param managed is this sink endpoint managed?
- * @return a noop topic sink
- * @throws IllegalArgumentException if invalid parameters are present
- */
- NoopTopicSink build(List<String> servers, String topic, boolean managed);
-
- /**
- * Destroys a sink based on the topic.
- *
- * @param topic topic name
- * @throws IllegalArgumentException if invalid parameters are present
- */
- void destroy(String topic);
-
- /**
- * Destroys all sinks.
- */
- void destroy();
-
- /**
- * gets a sink based on topic name.
- *
- * @param topic the topic name
- *
- * @return a sink with topic name
- * @throws IllegalArgumentException if an invalid topic is provided
- * @throws IllegalStateException if the sink is in an incorrect state
- */
- NoopTopicSink get(String topic);
+public class NoopTopicSinkFactory extends NoopTopicFactory<NoopTopicSink> {
/**
- * Provides a snapshot of the UEB Topic Writers.
- *
- * @return a list of the UEB Topic Writers
+ * {@inheritDoc}.
*/
- List<NoopTopicSink> inventory();
-
-}
-
-
-/* ------------- implementation ----------------- */
-
-/**
- * Factory of noop sinks.
- */
-class IndexedNoopTopicSinkFactory implements NoopTopicSinkFactory {
- private static final String MISSING_TOPIC = "A topic must be provided";
-
- /**
- * Logger.
- */
- private static Logger logger = LoggerFactory.getLogger(IndexedNoopTopicSinkFactory.class);
-
- /**
- * noop topic sinks map.
- */
- protected HashMap<String, NoopTopicSink> noopTopicSinks = new HashMap<>();
-
@Override
- public List<NoopTopicSink> build(Properties properties) {
-
- final String sinkTopics = properties.getProperty(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS);
- if (sinkTopics == null || sinkTopics.isEmpty()) {
- logger.info("{}: no topic for noop sink", this);
- return new ArrayList<>();
- }
-
- final List<String> sinkTopicList = new ArrayList<>(Arrays.asList(sinkTopics.split("\\s*,\\s*")));
- final List<NoopTopicSink> newSinks = new ArrayList<>();
- synchronized (this) {
- for (final String topic : sinkTopicList) {
- if (this.noopTopicSinks.containsKey(topic)) {
- newSinks.add(this.noopTopicSinks.get(topic));
- continue;
- }
-
- String servers = properties.getProperty(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS + "." + topic
- + PolicyEndPointProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
-
- if (servers == null || servers.isEmpty()) {
- servers = "noop";
- }
-
- final List<String> serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*")));
-
- final String managedString = properties.getProperty(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS
- + "." + topic + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX);
- boolean managed = true;
- if (managedString != null && !managedString.isEmpty()) {
- managed = Boolean.parseBoolean(managedString);
- }
-
- final NoopTopicSink noopSink = this.build(serverList, topic, managed);
- newSinks.add(noopSink);
- }
- return newSinks;
- }
- }
-
- @Override
- public NoopTopicSink build(List<String> servers, String topic, boolean managed) {
-
- List<String> noopSinkServers = servers;
- if (noopSinkServers == null || noopSinkServers.isEmpty()) {
- noopSinkServers = Arrays.asList("noop");
- }
-
- if (topic == null || topic.isEmpty()) {
- throw new IllegalArgumentException(MISSING_TOPIC);
- }
-
- synchronized (this) {
- if (this.noopTopicSinks.containsKey(topic)) {
- return this.noopTopicSinks.get(topic);
- }
-
- final NoopTopicSink sink = new NoopTopicSink(noopSinkServers, topic);
-
- if (managed) {
- this.noopTopicSinks.put(topic, sink);
- }
-
- return sink;
- }
+ protected String getTopicsPropertyName() {
+ return PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS;
}
+ /**
+ * {@inheritDoc}.
+ */
@Override
- public void destroy(String topic) {
- if (topic == null || topic.isEmpty()) {
- throw new IllegalArgumentException(MISSING_TOPIC);
- }
-
- NoopTopicSink noopSink;
- synchronized (this) {
- if (!this.noopTopicSinks.containsKey(topic)) {
- return;
- }
-
- noopSink = this.noopTopicSinks.remove(topic);
- }
-
- noopSink.shutdown();
+ protected NoopTopicSink build(List<String> servers, String topic) {
+ return new NoopTopicSink(servers, topic);
}
+ /**
+ * {@inheritDoc}.
+ */
@Override
- public void destroy() {
- final List<NoopTopicSink> sinks = this.inventory();
- for (final NoopTopicSink sink : sinks) {
- sink.shutdown();
- }
-
- synchronized (this) {
- this.noopTopicSinks.clear();
- }
- }
-
- @Override
- public NoopTopicSink get(String topic) {
- if (topic == null || topic.isEmpty()) {
- throw new IllegalArgumentException(MISSING_TOPIC);
- }
-
- synchronized (this) {
- if (this.noopTopicSinks.containsKey(topic)) {
- return this.noopTopicSinks.get(topic);
- } else {
- throw new IllegalStateException("DmaapTopicSink for " + topic + " not found");
- }
- }
+ public String toString() {
+ return "NoopTopicSinkFactory [" + super.toString() + "]";
}
- @Override
- public List<NoopTopicSink> inventory() {
- return new ArrayList<>(this.noopTopicSinks.values());
- }
}
+
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSource.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSource.java
new file mode 100644
index 00000000..c3215e04
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSource.java
@@ -0,0 +1,59 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm.bus;
+
+import java.util.List;
+import org.onap.policy.common.endpoints.event.comm.TopicSource;
+
+/**
+ * No Operation Topic Source.
+ */
+public class NoopTopicSource extends NoopTopicEndpoint implements TopicSource {
+
+ /**
+ * Factory.
+ */
+ public static final NoopTopicSourceFactory factory = new NoopTopicSourceFactory();
+
+ /**
+ * {@inheritDoc}.
+ */
+ public NoopTopicSource(List<String> servers, String topic) {
+ super(servers, topic);
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public boolean offer(String event) {
+ return super.io(event);
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public String toString() {
+ return "NoopTopicSource[" + super.toString() + "]";
+ }
+
+}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSourceFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSourceFactory.java
new file mode 100644
index 00000000..9623b4fa
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/NoopTopicSourceFactory.java
@@ -0,0 +1,54 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm.bus;
+
+import java.util.List;
+import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
+
+/**
+ * No Operation Topic Source Factory.
+ */
+public class NoopTopicSourceFactory extends NoopTopicFactory<NoopTopicSource> {
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ protected String getTopicsPropertyName() {
+ return PolicyEndPointProperties.PROPERTY_NOOP_SOURCE_TOPICS;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ protected NoopTopicSource build(List<String> servers, String topic) {
+ return new NoopTopicSource(servers, topic);
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public String toString() {
+ return "NoopTopicSourceFactory[" + super.toString() + "]";
+ }
+}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseFactory.java
new file mode 100644
index 00000000..897a8e19
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseFactory.java
@@ -0,0 +1,77 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm.bus;
+
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.endpoints.event.comm.Topic;
+
+/**
+ * Topic Base Factory.
+ *
+ * @param <T> Type.
+ */
+public interface TopicBaseFactory<T extends Topic> {
+
+ /**
+ * build a TopicBase instance.
+ *
+ * @param properties properties.
+ * @return T instance.
+ */
+ List<T> build(Properties properties);
+
+ /**
+ * build a TopicBase instance.
+ *
+ * @param servers servers.
+ * @param topic topic.
+ * @param managed managed.
+ * @return T instance.
+ */
+ T build(List<String> servers, String topic, boolean managed);
+
+ /**
+ * destroy TopicBase instance.
+ * @param topic topic.
+ */
+ void destroy(String topic);
+
+ /**
+ * destroy.
+ */
+ void destroy();
+
+ /**
+ * get T instance.
+ *
+ * @param topic topic.
+ * @return T instance.
+ */
+ T get(String topic);
+
+ /**
+ * inventory of T instances.
+ *
+ * @return T instance list.
+ */
+ List<T> inventory();
+}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseHashedFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseHashedFactory.java
new file mode 100644
index 00000000..f958bd01
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/TopicBaseHashedFactory.java
@@ -0,0 +1,197 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm.bus;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.endpoints.event.comm.Topic;
+
+/**
+ * Topic Factory implementation that indexes T instances in a hash table.
+ */
+public abstract class TopicBaseHashedFactory<T extends Topic> implements TopicBaseFactory<T> {
+
+ protected static final String MISSING_TOPIC_MESSAGE = "A topic must be provided";
+ protected static final String MISSING_SERVERS_MESSAGE = "Servers must be provided";
+
+ /**
+ * endpoints.
+ */
+ protected final HashMap<String, T> endpoints = new HashMap<>();
+
+ /**
+ * get the topic names.
+ *
+ * @param properties properties.
+ * @return list of topic names.
+ */
+ protected abstract List<String> getTopicNames(Properties properties);
+
+ /**
+ * get the servers that this topic uses.
+ *
+ * @param topicName name.
+ * @param properties properties.
+ * @return list of servers.
+ */
+ protected abstract List<String> getServers(String topicName, Properties properties);
+
+ /**
+ * is this topic managed?
+ *
+ * @param topicName name.
+ * @param properties properties.
+ * @return if managed.
+ */
+ protected abstract boolean isManaged(String topicName, Properties properties);
+
+ /**
+ * construct an instance of an endpoint.
+ *
+ * @param servers servers,
+ * @param topic topic.
+ * @return an instance of T.
+ */
+ protected abstract T build(List<String> servers, String topic);
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public List<T> build(Properties properties) {
+ List<String> topicNames = getTopicNames(properties);
+ if (topicNames == null || topicNames.isEmpty()) {
+ return Collections.emptyList();
+ }
+
+ List<T> newEndpoints = new ArrayList<>();
+ synchronized (this) {
+ for (String name : topicNames) {
+ if (this.endpoints.containsKey(name)) {
+ newEndpoints.add(this.endpoints.get(name));
+ continue;
+ }
+
+ newEndpoints.add(this.build(getServers(name, properties), name, isManaged(name, properties)));
+ }
+ }
+ return newEndpoints;
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public T build(List<String> servers, String topic, boolean managed) {
+ if (servers == null || servers.isEmpty()) {
+ throw new IllegalArgumentException(MISSING_SERVERS_MESSAGE);
+ }
+
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException(MISSING_TOPIC_MESSAGE);
+ }
+
+ synchronized (this) {
+ if (this.endpoints.containsKey(topic)) {
+ return this.endpoints.get(topic);
+ }
+
+ T endpoint = build(servers, topic);
+ if (managed) {
+ this.endpoints.put(topic, endpoint);
+ }
+
+ return endpoint;
+ }
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public void destroy(String topic) {
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException(MISSING_TOPIC_MESSAGE);
+ }
+
+ T endpoint;
+ synchronized (this) {
+ if (!this.endpoints.containsKey(topic)) {
+ return;
+ }
+
+ endpoint = this.endpoints.remove(topic);
+ }
+ endpoint.shutdown();
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public void destroy() {
+ final List<T> snapshotEndpoints = this.inventory();
+ for (final T snapshot : snapshotEndpoints) {
+ snapshot.shutdown();
+ }
+
+ synchronized (this) {
+ this.endpoints.clear();
+ }
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public T get(String topic) {
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException(MISSING_TOPIC_MESSAGE);
+ }
+
+ synchronized (this) {
+ if (this.endpoints.containsKey(topic)) {
+ return this.endpoints.get(topic);
+ } else {
+ throw new IllegalStateException(topic + " not found");
+ }
+ }
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public List<T> inventory() {
+ return new ArrayList<>(this.endpoints.values());
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public String toString() {
+ return "TopicBaseHashedFactory[ " + super.toString() + " ]";
+ }
+}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/properties/PolicyEndPointProperties.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/properties/PolicyEndPointProperties.java
index cc71748d..883ba7d2 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/properties/PolicyEndPointProperties.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/properties/PolicyEndPointProperties.java
@@ -1,8 +1,8 @@
/*-
* ============LICENSE_START=======================================================
- * policy-core
+ * ONAP
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -71,6 +71,7 @@ public interface PolicyEndPointProperties {
String PROPERTY_DMAAP_DME2_SESSION_STICKINESS_REQUIRED_SUFFIX =
".dme2.sessionStickinessRequired";
+ String PROPERTY_NOOP_SOURCE_TOPICS = "noop.source.topics";
String PROPERTY_NOOP_SINK_TOPICS = "noop.sink.topics";
/* HTTP Server Properties */
@@ -98,5 +99,4 @@ public interface PolicyEndPointProperties {
String PROPERTY_HTTP_CLIENT_SERVICES = "http.client.services";
String PROPERTY_HTTP_URL_SUFFIX = PROPERTY_HTTP_CONTEXT_URIPATH_SUFFIX;
-
}