diff options
Diffstat (limited to 'policy-management')
| -rw-r--r-- | policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java | 607 |
1 files changed, 310 insertions, 297 deletions
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java index 1afd81a3..0f6a5e3d 100644 --- a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java +++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java @@ -7,9 +7,9 @@ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at - * + * * http://www.apache.org/licenses/LICENSE-2.0 - * + * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. @@ -28,8 +28,6 @@ import java.util.Map; import org.onap.policy.drools.controller.DroolsController; import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters; -import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.CustomGsonCoder; -import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.CustomJacksonCoder; import org.onap.policy.drools.utils.Pair; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @@ -61,12 +59,11 @@ public interface EventProtocolCoder { */ protected int modelClassLoaderHash; - /** * constructor. - * + * * @param codedClass coder class - * @param filter filters to apply + * @param filter filters to apply */ public CoderFilters(String codedClass, JsonProtocolFilter filter, int modelClassLoaderHash) { this.factClass = codedClass; @@ -76,7 +73,7 @@ public interface EventProtocolCoder { /** * Get coded class. - * + * * @return the codedClass */ public String getCodedClass() { @@ -85,7 +82,7 @@ public interface EventProtocolCoder { /** * Set coded class. - * + * * @param codedClass the decodedClass to set */ public void setCodedClass(String codedClass) { @@ -94,7 +91,7 @@ public interface EventProtocolCoder { /** * Get filter. - * + * * @return the filter */ public JsonProtocolFilter getFilter() { @@ -103,7 +100,7 @@ public interface EventProtocolCoder { /** * Set filter. - * + * * @param filter the filter to set */ public void setFilter(JsonProtocolFilter filter) { @@ -120,12 +117,14 @@ public interface EventProtocolCoder { @Override public String toString() { - StringBuilder builder = new StringBuilder(); - builder.append("CoderFilters [factClass=").append(factClass).append(", filter=").append(filter) - .append(", modelClassLoaderHash=").append(modelClassLoaderHash).append("]"); - return builder.toString(); + return "CoderFilters [factClass=" + + factClass + + ", filter=" + + filter + + ", modelClassLoaderHash=" + + modelClassLoaderHash + + "]"; } - } /** @@ -138,130 +137,118 @@ public interface EventProtocolCoder { /** * removes all decoders associated with the controller id. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic of the controller - * + * @param topic of the controller * @throws IllegalArgumentException if invalid arguments have been provided */ void removeEncoders(String groupId, String artifactId, String topic); /** * removes decoders associated with the controller id and topic. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic the topic - * + * @param topic the topic * @throws IllegalArgumentException if invalid arguments have been provided */ public void removeDecoders(String groupId, String artifactId, String topic); /** * Given a controller id and a topic, it gives back its filters. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic the topic - * + * @param topic the topic * @return list of decoders - * * @throw IllegalArgumentException if an invalid parameter is passed */ public List<CoderFilters> getDecoderFilters(String groupId, String artifactId, String topic); /** * gets all decoders associated with the group and artifact ids. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * * @throws IllegalArgumentException if invalid arguments have been provided */ public List<CoderFilters> getDecoderFilters(String groupId, String artifactId); /** * Given a controller id, a topic, and a classname, it gives back the classes that implements the decoding. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic the topic - * @param classname classname - * + * @param topic the topic + * @param classname classname * @return list of decoders - * * @throw IllegalArgumentException if an invalid parameter is passed - */ - public CoderFilters getDecoderFilters(String groupId, String artifactId, String topic, String classname); + */ + public CoderFilters getDecoderFilters( + String groupId, String artifactId, String topic, String classname); /** * Given a controller id and a topic, it gives back the decoding configuration. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic the topic - * + * @param topic the topic * @return decoding toolset - * * @throw IllegalArgumentException if an invalid parameter is passed */ public ProtocolCoderToolset getDecoders(String groupId, String artifactId, String topic); /** * Given a controller id and a topic, it gives back all the decoding configurations. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * * @return decoding toolset - * * @throw IllegalArgumentException if an invalid parameter is passed */ public List<ProtocolCoderToolset> getDecoders(String groupId, String artifactId); /** * Given a controller id and a topic, it gives back the classes that implements the encoding. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic the topic - * + * @param topic the topic * @return list of decoders - * * @throw IllegalArgumentException if an invalid parameter is passed */ public List<CoderFilters> getEncoderFilters(String groupId, String artifactId, String topic); /** * gets all encoders associated with the group and artifact ids. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * + * @return List of filters * @throws IllegalArgumentException if invalid arguments have been provided */ public List<CoderFilters> getEncoderFilters(String groupId, String artifactId); /** * get encoder based on coordinates and classname. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic protocol - * @param classname name of the class - * @return - * + * @param topic protocol + * @param classname name of the class + * @return CoderFilters decoders * @throws IllegalArgumentException invalid arguments passed in */ - public CoderFilters getEncoderFilters(String groupId, String artifactId, String topic, String classname); + public CoderFilters getEncoderFilters( + String groupId, String artifactId, String topic, String classname); /** * is there a decoder supported for the controller id and topic. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic protocol + * @param topic protocol * @return true if supported */ public boolean isDecodingSupported(String groupId, String artifactId, String topic); @@ -276,18 +263,18 @@ public interface EventProtocolCoder { /** * is there an encoder supported for the controller id and topic. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic protocol + * @param topic protocol * @return true if supported */ public boolean isEncodingSupported(String groupId, String artifactId, String topic); /** * get encoder based on topic and encoded class. - * - * @param topic topic + * + * @param topic topic * @param encodedClass encoded class * @return list of filters * @throws IllegalArgumentException invalid arguments passed in @@ -296,8 +283,8 @@ public interface EventProtocolCoder { /** * gets the identifier of the creator of the encoder. - * - * @param topic topic + * + * @param topic topic * @param encodedClass encoded class * @return a drools controller * @throws IllegalArgumentException invalid arguments passed in @@ -306,8 +293,8 @@ public interface EventProtocolCoder { /** * gets the identifier of the creator of the encoder. - * - * @param topic topic + * + * @param topic topic * @param encodedClass encoded class * @return list of drools controllers * @throws IllegalArgumentException invalid arguments passed in @@ -316,59 +303,60 @@ public interface EventProtocolCoder { /** * decode topic's stringified event (json) to corresponding Event Object. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic protocol - * @param json event string + * @param topic protocol + * @param json event string * @return object - * @throws IllegalArgumentException invalid arguments passed in + * @throws IllegalArgumentException invalid arguments passed in * @throws UnsupportedOperationException if the operation is not supported - * @throws IllegalStateException if the system is in an illegal state + * @throws IllegalStateException if the system is in an illegal state */ public Object decode(String groupId, String artifactId, String topic, String json); /** * encodes topic's stringified event (json) to corresponding Event Object. - * - * @param groupId of the controller + * + * @param groupId of the controller * @param artifactId of the controller - * @param topic protocol - * @param event Object - * + * @param topic protocol + * @param event Object + * @return encoded string * @throws IllegalArgumentException invalid arguments passed in */ public String encode(String groupId, String artifactId, String topic, Object event); /** * encodes topic's stringified event (json) to corresponding Event Object. - * + * * @param topic topic * @param event event object - * - * @throws IllegalArgumentException invalid arguments passed in + * @return encoded string + * @throws IllegalArgumentException invalid arguments passed in * @throws UnsupportedOperationException operation cannot be performed */ public String encode(String topic, Object event); /** * encodes topic's stringified event (json) to corresponding Event Object. - * - * @param topic topic - * @param event event object - * @param droolsController - * - * @throws IllegalArgumentException invalid arguments passed in + * + * @param topic topic + * @param event event object + * @param droolsController drools controller object + * @return encoded string + * @throws IllegalArgumentException invalid arguments passed in * @throws UnsupportedOperationException operation cannot be performed */ public String encode(String topic, Object event, DroolsController droolsController); } /** - * Protocol Coder that does its best attempt to decode/encode, selecting the best - * class and best fitted json parsing tools. + * Protocol Coder that does its best attempt to decode/encode, selecting the best class and best fitted json parsing + * tools. */ class MultiplexorEventProtocolCoder implements EventProtocolCoder { + /** * Logger. */ @@ -384,13 +372,14 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { */ protected EventProtocolEncoder encoders = new EventProtocolEncoder(); - /** * {@inheritDoc}. */ @Override public void addDecoder(EventProtocolParams eventProtocolParams) { - logger.info("{}: add-decoder {}:{}:{}:{}:{}:{}:{}:{}", this, + logger.info( + "{}: add-decoder {}:{}:{}:{}:{}:{}:{}:{}", + this, eventProtocolParams.getGroupId(), eventProtocolParams.getArtifactId(), eventProtocolParams.getTopic(), @@ -399,32 +388,28 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { eventProtocolParams.getCustomGsonCoder(), eventProtocolParams.getCustomJacksonCoder(), eventProtocolParams.getModelClassLoaderHash()); - this.decoders.add(eventProtocolParams.getGroupId(), eventProtocolParams.getArtifactId(), - eventProtocolParams.getTopic(), - eventProtocolParams.getEventClass(), - eventProtocolParams.getProtocolFilter(), - eventProtocolParams.getCustomGsonCoder(), - eventProtocolParams.getCustomJacksonCoder(), - eventProtocolParams.getModelClassLoaderHash()); + this.decoders.add(eventProtocolParams); } /** * {@inheritDoc}. + * * @param eventProtocolParams parameter object for event encoder */ @Override public void addEncoder(EventProtocolParams eventProtocolParams) { - logger.info("{}: add-decoder {}:{}:{}:{}:{}:{}:{}:{}", this, - eventProtocolParams.getGroupId(), eventProtocolParams.getArtifactId(), eventProtocolParams.getTopic(), + logger.info( + "{}: add-decoder {}:{}:{}:{}:{}:{}:{}:{}", + this, + eventProtocolParams.getGroupId(), + eventProtocolParams.getArtifactId(), + eventProtocolParams.getTopic(), eventProtocolParams.getEventClass(), - eventProtocolParams.getProtocolFilter(), eventProtocolParams.getCustomGsonCoder(), - eventProtocolParams.getCustomJacksonCoder(), - eventProtocolParams.getModelClassLoaderHash()); - this.encoders.add(eventProtocolParams.getGroupId(), eventProtocolParams.getArtifactId(), - eventProtocolParams.getTopic(), eventProtocolParams.getEventClass(), eventProtocolParams.getProtocolFilter(), - eventProtocolParams.getCustomGsonCoder(), eventProtocolParams.getCustomJacksonCoder(), + eventProtocolParams.getCustomGsonCoder(), + eventProtocolParams.getCustomJacksonCoder(), eventProtocolParams.getModelClassLoaderHash()); + this.encoders.add(eventProtocolParams); } /** @@ -509,7 +494,8 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { * {@inheritDoc}. */ @Override - public CoderFilters getDecoderFilters(String groupId, String artifactId, String topic, String classname) { + public CoderFilters getDecoderFilters( + String groupId, String artifactId, String topic, String classname) { return this.decoders.getFilters(groupId, artifactId, topic, classname); } @@ -519,7 +505,6 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { @Override public List<CoderFilters> getDecoderFilters(String groupId, String artifactId) { return this.decoders.getFilters(groupId, artifactId); - } /** @@ -527,10 +512,11 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { */ @Override public ProtocolCoderToolset getDecoders(String groupId, String artifactId, String topic) { - Pair<ProtocolCoderToolset,ProtocolCoderToolset> decoderToolsets = + Pair<ProtocolCoderToolset, ProtocolCoderToolset> decoderToolsets = this.decoders.getCoders(groupId, artifactId, topic); if (decoderToolsets == null) { - throw new IllegalArgumentException("Decoders not found for " + groupId + ":" + artifactId + ":" + topic); + throw new IllegalArgumentException( + "Decoders not found for " + groupId + ":" + artifactId + ":" + topic); } return decoderToolsets.first(); @@ -538,24 +524,23 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { /** * get all deocders by maven coordinates and topic. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * * @return list of decoders * @throws IllegalArgumentException if invalid input */ @Override public List<ProtocolCoderToolset> getDecoders(String groupId, String artifactId) { - List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>> decoderToolsets = + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> decoderToolsets = this.decoders.getCoders(groupId, artifactId); if (decoderToolsets == null) { throw new IllegalArgumentException("Decoders not found for " + groupId + ":" + artifactId); } List<ProtocolCoderToolset> parser1CoderToolset = new ArrayList<>(); - for (Pair<ProtocolCoderToolset,ProtocolCoderToolset> coderToolsetPair : decoderToolsets) { + for (Pair<ProtocolCoderToolset, ProtocolCoderToolset> coderToolsetPair : decoderToolsets) { parser1CoderToolset.add(coderToolsetPair.first()); } @@ -574,7 +559,8 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { * {@inheritDoc}. */ @Override - public CoderFilters getEncoderFilters(String groupId, String artifactId, String topic, String classname) { + public CoderFilters getEncoderFilters( + String groupId, String artifactId, String topic, String classname) { return this.encoders.getFilters(groupId, artifactId, topic, classname); } @@ -615,18 +601,20 @@ class MultiplexorEventProtocolCoder implements EventProtocolCoder { */ @Override public String toString() { - StringBuilder builder = new StringBuilder(); - builder.append("MultiplexorEventProtocolCoder [decoders=").append(decoders).append(", encoders=") - .append(encoders).append("]"); - return builder.toString(); + return "MultiplexorEventProtocolCoder [decoders=" + + decoders + + ", encoders=" + + encoders + + "]"; } } /** - * This protocol Coder that does its best attempt to decode/encode, selecting the best - * class and best fitted json parsing tools. + * This protocol Coder that does its best attempt to decode/encode, selecting the best class and best fitted json + * parsing tools. */ -abstract class GenericEventProtocolCoder { +abstract class GenericEventProtocolCoder { + private static final String INVALID_ARTIFACT_ID_MSG = "Invalid artifact id"; private static final String INVALID_GROUP_ID_MSG = "Invalid group id"; @@ -637,23 +625,22 @@ abstract class GenericEventProtocolCoder { private static final String MISSING_CLASS = "class must be provided"; - private static Logger logger = LoggerFactory.getLogger(GenericEventProtocolCoder.class); + private static Logger logger = LoggerFactory.getLogger(GenericEventProtocolCoder.class); /** - * Mapping topic:controller-id -> /<protocol-decoder-toolset-pair/> - * where protocol-coder-toolset-pair contains both a jackson-protocol-coder-toolset - * and a gson-protocol-coder-toolset. The first value of the pair will the - * protocol coder toolset most likely to be successful with the encoding or decoding, - * and consequently the second value will be the less likely. + * Mapping topic:controller-id -> /<protocol-decoder-toolset-pair/> where protocol-coder-toolset-pair contains both + * a jackson-protocol-coder-toolset and a gson-protocol-coder-toolset. The first value of the pair will the protocol + * coder toolset most likely to be successful with the encoding or decoding, and consequently the second value will + * be the less likely. */ - protected final HashMap<String, Pair<ProtocolCoderToolset,ProtocolCoderToolset>> coders = + protected final HashMap<String, Pair<ProtocolCoderToolset, ProtocolCoderToolset>> coders = new HashMap<>(); /** * Mapping topic + classname -> Protocol Set. */ - protected final HashMap<String, List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>>> reverseCoders = - new HashMap<>(); + protected final HashMap<String, List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>>> + reverseCoders = new HashMap<>(); protected boolean multipleToolsetRetries = false; @@ -663,41 +650,30 @@ abstract class GenericEventProtocolCoder { /** * Index a new coder. - * - * @param groupId of the controller - * @param artifactId of the controller - * @param topic the topic - * @param eventClass the event class - * @param protocolFilter filters to selectively choose a particular decoder - * when there are multiples - * + * + * @param eventProtocolParams parameter object for event encoder * @throw IllegalArgumentException if an invalid parameter is passed */ - public void add(String groupId, String artifactId, - String topic, - String eventClass, - JsonProtocolFilter protocolFilter, - CustomGsonCoder customGsonCoder, - CustomJacksonCoder customJacksonCoder, - int modelClassLoaderHash) { - if (groupId == null || groupId.isEmpty()) { + public void add(EventProtocolParams eventProtocolParams) { + if (eventProtocolParams.getGroupId() == null || eventProtocolParams.getGroupId().isEmpty()) { throw new IllegalArgumentException(INVALID_GROUP_ID_MSG); } - if (artifactId == null || artifactId.isEmpty()) { + if (eventProtocolParams.getArtifactId() == null || eventProtocolParams.getArtifactId().isEmpty()) { throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG); } - if (topic == null || topic.isEmpty()) { + if (eventProtocolParams.getTopic() == null || eventProtocolParams.getTopic().isEmpty()) { throw new IllegalArgumentException(INVALID_TOPIC_MSG); } - if (eventClass == null) { + if (eventProtocolParams.getEventClass() == null) { throw new IllegalArgumentException("Invalid Event Class"); } - String key = this.codersKey(groupId, artifactId, topic); - String reverseKey = this.reverseCodersKey(topic, eventClass); + String key = this.codersKey(eventProtocolParams.getGroupId(), eventProtocolParams.getArtifactId(), + eventProtocolParams.getTopic()); + String reverseKey = this.reverseCodersKey(eventProtocolParams.getTopic(), eventProtocolParams.getEventClass()); synchronized (this) { if (coders.containsKey(key)) { @@ -705,14 +681,28 @@ abstract class GenericEventProtocolCoder { logger.info("{}: adding coders for existing {}: {}", this, key, toolsets.first()); - toolsets.first().addCoder(eventClass, protocolFilter, modelClassLoaderHash); - toolsets.second().addCoder(eventClass, protocolFilter, modelClassLoaderHash); + toolsets + .first() + .addCoder( + eventProtocolParams.getEventClass(), + eventProtocolParams.getProtocolFilter(), + eventProtocolParams.getModelClassLoaderHash()); + toolsets + .second() + .addCoder( + eventProtocolParams.getEventClass(), + eventProtocolParams.getProtocolFilter(), + eventProtocolParams.getModelClassLoaderHash()); if (!reverseCoders.containsKey(reverseKey)) { - logger.info("{}: adding new reverse coders (multiple classes case) for {}:{}: {}", - this, reverseKey, key, toolsets.first()); - - List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>> reverseMappings = + logger.info( + "{}: adding new reverse coders (multiple classes case) for {}:{}: {}", + this, + reverseKey, + key, + toolsets.first()); + + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> reverseMappings = new ArrayList<>(); reverseMappings.add(toolsets); reverseCoders.put(reverseKey, reverseMappings); @@ -720,31 +710,38 @@ abstract class GenericEventProtocolCoder { return; } - GsonProtocolCoderToolset gsonCoderTools = - new GsonProtocolCoderToolset(topic, key, - groupId, artifactId, - eventClass, protocolFilter, - customGsonCoder, - modelClassLoaderHash); - - JacksonProtocolCoderToolset jacksonCoderTools = - new JacksonProtocolCoderToolset(topic, key, - groupId, artifactId, - eventClass, protocolFilter, - customJacksonCoder, - modelClassLoaderHash); + GsonProtocolCoderToolset gsonCoderTools = + new GsonProtocolCoderToolset( + eventProtocolParams.getTopic(), + key, + eventProtocolParams.getGroupId(), + eventProtocolParams.getArtifactId(), + eventProtocolParams.getEventClass(), + eventProtocolParams.getProtocolFilter(), + eventProtocolParams.getCustomGsonCoder(), + eventProtocolParams.getModelClassLoaderHash()); + + JacksonProtocolCoderToolset jacksonCoderTools = + new JacksonProtocolCoderToolset( + eventProtocolParams.getTopic(), + key, + eventProtocolParams.getGroupId(), + eventProtocolParams.getArtifactId(), + eventProtocolParams.getEventClass(), + eventProtocolParams.getProtocolFilter(), + eventProtocolParams.getCustomJacksonCoder(), + eventProtocolParams.getModelClassLoaderHash()); // Use Gson as the first priority encoding/decoding toolset, and Jackson // as second. This is because it has been observed that they can diverge // somewhat in the encoding/decoding data types, which can produce json - // that may result incompatible with what some network elements are + // that may result incompatible with what some network elements are // expecting. As decoding takes place, this element will reconfigure // itself to set the jackson one as the favoured one first, if errors // are detected in the gson encoding - Pair<ProtocolCoderToolset,ProtocolCoderToolset> coderTools = - new Pair<>(gsonCoderTools, - jacksonCoderTools); + Pair<ProtocolCoderToolset, ProtocolCoderToolset> coderTools = + new Pair<>(gsonCoderTools, jacksonCoderTools); logger.info("{}: adding coders for new {}: {}", this, key, coderTools.first()); @@ -754,44 +751,45 @@ abstract class GenericEventProtocolCoder { // There is another controller (different group id/artifact id/topic) // that shares the class and the topic. - List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>> toolsets = + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = reverseCoders.get(reverseKey); boolean present = false; - for (Pair<ProtocolCoderToolset,ProtocolCoderToolset> parserSet: toolsets) { + for (Pair<ProtocolCoderToolset, ProtocolCoderToolset> parserSet : toolsets) { // just doublecheck present = parserSet.first().getControllerId().equals(key); if (present) { /* anomaly */ - logger.error("{}: unexpected toolset reverse mapping found for {}:{}: {}", - this, reverseKey, key, parserSet.first()); + logger.error( + "{}: unexpected toolset reverse mapping found for {}:{}: {}", + this, + reverseKey, + key, + parserSet.first()); } } if (present) { return; } else { - logger.info("{}: adding coder set for {}: {} ", this, - reverseKey, coderTools.getFirst()); + logger.info("{}: adding coder set for {}: {} ", this, reverseKey, coderTools.getFirst()); toolsets.add(coderTools); } } else { - List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>> toolsets = - new ArrayList<>(); + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = new ArrayList<>(); toolsets.add(coderTools); logger.info("{}: adding toolset for reverse key {}: {}", this, reverseKey, toolsets); reverseCoders.put(reverseKey, toolsets); } - } } /** * produces key for indexing toolset entries. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic + * @param topic topic * @return index key */ protected String codersKey(String groupId, String artifactId, String topic) { @@ -800,8 +798,8 @@ abstract class GenericEventProtocolCoder { /** * produces a key for the reverse index. - * - * @param topic topic + * + * @param topic topic * @param eventClass coded class * @return reverse index key */ @@ -811,10 +809,10 @@ abstract class GenericEventProtocolCoder { /** * remove coder. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic + * @param topic topic * @throws IllegalArgumentException if invalid input */ public void remove(String groupId, String artifactId, String topic) { @@ -842,16 +840,16 @@ abstract class GenericEventProtocolCoder { for (CoderFilters codeFilter : pair.first().getCoders()) { String className = codeFilter.getCodedClass(); String reverseKey = this.reverseCodersKey(topic, className); - if (this.reverseCoders.containsKey(reverseKey) ) { - List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = + if (this.reverseCoders.containsKey(reverseKey)) { + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = this.reverseCoders.get(reverseKey); - Iterator<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsetsIter = + Iterator<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsetsIter = toolsets.iterator(); while (toolsetsIter.hasNext()) { Pair<ProtocolCoderToolset, ProtocolCoderToolset> toolset = toolsetsIter.next(); if (toolset.first().getControllerId().equals(key)) { - logger.info("{}: removed coder from toolset for {} from reverse mapping", - this, reverseKey); + logger.info( + "{}: removed coder from toolset for {} from reverse mapping", this, reverseKey); toolsetsIter.remove(); } } @@ -868,10 +866,10 @@ abstract class GenericEventProtocolCoder { /** * does it support coding. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic + * @param topic topic * @return true if its is codable */ public boolean isCodingSupported(String groupId, String artifactId, String topic) { @@ -896,24 +894,24 @@ abstract class GenericEventProtocolCoder { /** * decode a json string into an Object. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic - * @param json json string to convert to object + * @param topic topic + * @param json json string to convert to object * @return the decoded object - * @throws IllegalArgumentException if invalid argument is provided + * @throws IllegalArgumentException if invalid argument is provided * @throws UnsupportedOperationException if the operation cannot be performed */ public Object decode(String groupId, String artifactId, String topic, String json) { if (!isCodingSupported(groupId, artifactId, topic)) { - throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic) - + " for encoding"); + throw new IllegalArgumentException( + "Unsupported:" + codersKey(groupId, artifactId, topic) + " for encoding"); } String key = this.codersKey(groupId, artifactId, topic); - Pair<ProtocolCoderToolset,ProtocolCoderToolset> coderTools = coders.get(key); + Pair<ProtocolCoderToolset, ProtocolCoderToolset> coderTools = coders.get(key); try { Object event = coderTools.first().decode(json); if (event != null) { @@ -941,20 +939,20 @@ abstract class GenericEventProtocolCoder { } catch (Exception e) { throw new UnsupportedOperationException(e); } - } + } throw new UnsupportedOperationException("Cannot decode neither with gson or jackson"); } /** * encode an object into a json string. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic - * @param event object to convert to string + * @param topic topic + * @param event object to convert to string * @return the json string - * @throws IllegalArgumentException if invalid argument is provided + * @throws IllegalArgumentException if invalid argument is provided * @throws UnsupportedOperationException if the operation cannot be performed */ public String encode(String groupId, String artifactId, String topic, Object event) { @@ -974,11 +972,11 @@ abstract class GenericEventProtocolCoder { /** * encode an object into a json string. - * + * * @param topic topic * @param event object to convert to string * @return the json string - * @throws IllegalArgumentException if invalid argument is provided + * @throws IllegalArgumentException if invalid argument is provided * @throws UnsupportedOperationException if the operation cannot be performed */ public String encode(String topic, Object event) { @@ -996,19 +994,22 @@ abstract class GenericEventProtocolCoder { throw new IllegalArgumentException("no reverse coder has been found"); } - List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = this.reverseCoders.get(reverseKey); + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = + this.reverseCoders.get(reverseKey); - String key = codersKey(toolsets.get(0).first().getGroupId(), toolsets.get(0).first().getArtifactId(), topic); + String key = + codersKey( + toolsets.get(0).first().getGroupId(), toolsets.get(0).first().getArtifactId(), topic); return this.encodeInternal(key, event); } /** * encode an object into a json string. - * - * @param topic topic + * + * @param topic topic * @param encodedClass object to convert to string * @return the json string - * @throws IllegalArgumentException if invalid argument is provided + * @throws IllegalArgumentException if invalid argument is provided * @throws UnsupportedOperationException if the operation cannot be performed */ public String encode(String topic, Object encodedClass, DroolsController droolsController) { @@ -1027,18 +1028,18 @@ abstract class GenericEventProtocolCoder { /** * encode an object into a json string. - * - * @param key identifier + * + * @param key identifier * @param event object to convert to string * @return the json string - * @throws IllegalArgumentException if invalid argument is provided + * @throws IllegalArgumentException if invalid argument is provided * @throws UnsupportedOperationException if the operation cannot be performed */ protected String encodeInternal(String key, Object event) { logger.debug("{}: encode for {}: {}", this, key, event); - Pair<ProtocolCoderToolset,ProtocolCoderToolset> coderTools = coders.get(key); + Pair<ProtocolCoderToolset, ProtocolCoderToolset> coderTools = coders.get(key); try { String json = coderTools.first().encode(event); if (json != null && !json.isEmpty()) { @@ -1074,12 +1075,11 @@ abstract class GenericEventProtocolCoder { /** * Drools creators. - * - * @param topic topic + * + * @param topic topic * @param encodedClass encoded class * @return list of controllers - * - * @throws IllegalStateException illegal state + * @throws IllegalStateException illegal state * @throws IllegalArgumentException argument */ protected List<DroolsController> droolsCreators(String topic, Object encodedClass) { @@ -1092,18 +1092,21 @@ abstract class GenericEventProtocolCoder { return droolsControllers; } - List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = this.reverseCoders.get(reverseKey); + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = + this.reverseCoders.get(reverseKey); // There must be multiple toolset pairs associated with <topic,classname> reverseKey // case 2 different controllers use the same models and register the same encoder for // the same topic. This is assumed not to occur often but for the purpose of encoding - // but there should be no side-effects. Ownership is crosscheck against classname and + // but there should be no side-effects. Ownership is crosscheck against classname and // classloader reference. if (toolsets == null || toolsets.isEmpty()) { - throw new IllegalStateException("No Encoders toolsets available for topic " - + topic - + " encoder " + encodedClass.getClass().getCanonicalName()); + throw new IllegalStateException( + "No Encoders toolsets available for topic " + + topic + + " encoder " + + encodedClass.getClass().getCanonicalName()); } for (Pair<ProtocolCoderToolset, ProtocolCoderToolset> encoderSet : toolsets) { @@ -1113,9 +1116,9 @@ abstract class GenericEventProtocolCoder { List<CoderFilters> coderFilters = encoderSet.first().getCoders(); for (CoderFilters coder : coderFilters) { if (coder.getCodedClass().equals(encodedClass.getClass().getCanonicalName())) { - DroolsController droolsController = - DroolsController.factory.get(groupId, artifactId, ""); - if (droolsController.ownsCoder(encodedClass.getClass(), coder.getModelClassLoaderHash())) { + DroolsController droolsController = DroolsController.factory.get(groupId, artifactId, ""); + if (droolsController.ownsCoder( + encodedClass.getClass(), coder.getModelClassLoaderHash())) { droolsControllers.add(droolsController); } } @@ -1123,21 +1126,22 @@ abstract class GenericEventProtocolCoder { } if (droolsControllers.isEmpty()) { - throw new IllegalStateException("No Encoders toolsets available for " - + topic - + ":" + encodedClass.getClass().getCanonicalName()); + throw new IllegalStateException( + "No Encoders toolsets available for " + + topic + + ":" + + encodedClass.getClass().getCanonicalName()); } return droolsControllers; } - /** * get all filters by maven coordinates and topic. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic + * @param topic topic * @return list of coders * @throws IllegalArgumentException if invalid input */ @@ -1148,14 +1152,14 @@ abstract class GenericEventProtocolCoder { } String key = this.codersKey(groupId, artifactId, topic); - Pair<ProtocolCoderToolset,ProtocolCoderToolset> coderTools = coders.get(key); + Pair<ProtocolCoderToolset, ProtocolCoderToolset> coderTools = coders.get(key); return coderTools.first().getCoders(); } /** * get all coders by maven coordinates and topic. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id * @return list of coders * @throws IllegalArgumentException if invalid input @@ -1173,7 +1177,8 @@ abstract class GenericEventProtocolCoder { String key = this.codersKey(groupId, artifactId, ""); List<CoderFilters> codersFilters = new ArrayList<>(); - for (Map.Entry<String, Pair<ProtocolCoderToolset,ProtocolCoderToolset>> entry : coders.entrySet()) { + for (Map.Entry<String, Pair<ProtocolCoderToolset, ProtocolCoderToolset>> entry : + coders.entrySet()) { if (entry.getKey().startsWith(key)) { codersFilters.addAll(entry.getValue().first().getCoders()); } @@ -1181,18 +1186,19 @@ abstract class GenericEventProtocolCoder { return codersFilters; } - + /** * get all filters by maven coordinates, topic, and classname. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic - * @param classname classname + * @param topic topic + * @param classname classname * @return list of coders * @throws IllegalArgumentException if invalid input */ - public CoderFilters getFilters(String groupId, String artifactId, String topic, String classname) { + public CoderFilters getFilters( + String groupId, String artifactId, String topic, String classname) { if (!isCodingSupported(groupId, artifactId, topic)) { throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic)); @@ -1203,20 +1209,21 @@ abstract class GenericEventProtocolCoder { } String key = this.codersKey(groupId, artifactId, topic); - Pair<ProtocolCoderToolset,ProtocolCoderToolset> coderTools = coders.get(key); + Pair<ProtocolCoderToolset, ProtocolCoderToolset> coderTools = coders.get(key); return coderTools.first().getCoder(classname); } /** * get all coders by maven coordinates and topic. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id - * @param topic topic + * @param topic topic * @return list of coders * @throws IllegalArgumentException if invalid input */ - public Pair<ProtocolCoderToolset,ProtocolCoderToolset> getCoders(String groupId, String artifactId, String topic) { + public Pair<ProtocolCoderToolset, ProtocolCoderToolset> getCoders( + String groupId, String artifactId, String topic) { if (!isCodingSupported(groupId, artifactId, topic)) { throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic)); @@ -1228,13 +1235,14 @@ abstract class GenericEventProtocolCoder { /** * get all coders by maven coordinates and topic. - * - * @param groupId group id + * + * @param groupId group id * @param artifactId artifact id * @return list of coders * @throws IllegalArgumentException if invalid input */ - public List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>> getCoders(String groupId, String artifactId) { + public List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> getCoders( + String groupId, String artifactId) { if (groupId == null || groupId.isEmpty()) { throw new IllegalArgumentException(INVALID_GROUP_ID_MSG); @@ -1246,8 +1254,9 @@ abstract class GenericEventProtocolCoder { String key = this.codersKey(groupId, artifactId, ""); - List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>> coderToolset = new ArrayList<>(); - for (Map.Entry<String, Pair<ProtocolCoderToolset,ProtocolCoderToolset>> entry : coders.entrySet()) { + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> coderToolset = new ArrayList<>(); + for (Map.Entry<String, Pair<ProtocolCoderToolset, ProtocolCoderToolset>> entry : + coders.entrySet()) { if (entry.getKey().startsWith(key)) { coderToolset.add(entry.getValue()); } @@ -1258,8 +1267,8 @@ abstract class GenericEventProtocolCoder { /** * get coded based on class and topic. - * - * @param topic topic + * + * @param topic topic * @param codedClass class * @return list of reverse filters */ @@ -1274,13 +1283,13 @@ abstract class GenericEventProtocolCoder { } String key = this.reverseCodersKey(topic, codedClass); - List<Pair<ProtocolCoderToolset,ProtocolCoderToolset>> toolsets = this.reverseCoders.get(key); + List<Pair<ProtocolCoderToolset, ProtocolCoderToolset>> toolsets = this.reverseCoders.get(key); if (toolsets == null) { throw new IllegalArgumentException("No Coder found for " + key); } List<CoderFilters> coderFilters = new ArrayList<>(); - for (Pair<ProtocolCoderToolset,ProtocolCoderToolset> toolset: toolsets) { + for (Pair<ProtocolCoderToolset, ProtocolCoderToolset> toolset : toolsets) { coderFilters.addAll(toolset.first().getCoders()); } @@ -1289,9 +1298,9 @@ abstract class GenericEventProtocolCoder { /** * returns group and artifact id of the creator of the encoder. - * + * * @param topic topic - * @param fact fact + * @param fact fact * @return the drools controller */ DroolsController getDroolsController(String topic, Object fact) { @@ -1311,8 +1320,12 @@ abstract class GenericEventProtocolCoder { } if (droolsControllers.size() > 1) { - logger.warn("{}: multiple drools-controller {} for {}:{} ", this, - droolsControllers, topic, fact.getClass().getCanonicalName()); + logger.warn( + "{}: multiple drools-controller {} for {}:{} ", + this, + droolsControllers, + topic, + fact.getClass().getCanonicalName()); // continue } return droolsControllers.get(0); @@ -1320,9 +1333,9 @@ abstract class GenericEventProtocolCoder { /** * returns group and artifact id of the creator of the encoder. - * + * * @param topic topic - * @param fact fact + * @param fact fact * @return list of drools controllers */ List<DroolsController> getDroolsControllers(String topic, Object fact) { @@ -1338,8 +1351,12 @@ abstract class GenericEventProtocolCoder { List<DroolsController> droolsControllers = droolsCreators(topic, fact); if (droolsControllers.size() > 1) { // unexpected - logger.warn("{}: multiple drools-controller {} for {}:{} ", this, - droolsControllers, topic, fact.getClass().getCanonicalName()); + logger.warn( + "{}: multiple drools-controller {} for {}:{} ", + this, + droolsControllers, + topic, + fact.getClass().getCanonicalName()); // continue } return droolsControllers; @@ -1347,10 +1364,11 @@ abstract class GenericEventProtocolCoder { @Override public String toString() { - StringBuilder builder = new StringBuilder(); - builder.append("GenericEventProtocolCoder [coders=").append(coders.keySet()).append(", reverseCoders=") - .append(reverseCoders.keySet()).append("]"); - return builder.toString(); + return "GenericEventProtocolCoder [coders=" + + coders.keySet() + + ", reverseCoders=" + + reverseCoders.keySet() + + "]"; } } @@ -1362,11 +1380,8 @@ class EventProtocolDecoder extends GenericEventProtocolCoder { @Override public String toString() { - StringBuilder builder = new StringBuilder(); - builder.append("EventProtocolDecoder [toString()=").append(super.toString()).append("]"); - return builder.toString(); + return "EventProtocolDecoder [toString()=" + super.toString() + "]"; } - } class EventProtocolEncoder extends GenericEventProtocolCoder { @@ -1377,8 +1392,6 @@ class EventProtocolEncoder extends GenericEventProtocolCoder { @Override public String toString() { - StringBuilder builder = new StringBuilder(); - builder.append("EventProtocolEncoder [toString()=").append(super.toString()).append("]"); - return builder.toString(); + return "EventProtocolEncoder [toString()=" + super.toString() + "]"; } } |