diff options
Diffstat (limited to 'feature-legacy-config/src/main/java')
3 files changed, 216 insertions, 0 deletions
diff --git a/feature-legacy-config/src/main/java/org/onap/policy/drools/legacy/config/LegacyConfig.java b/feature-legacy-config/src/main/java/org/onap/policy/drools/legacy/config/LegacyConfig.java new file mode 100644 index 00000000..01cc3b34 --- /dev/null +++ b/feature-legacy-config/src/main/java/org/onap/policy/drools/legacy/config/LegacyConfig.java @@ -0,0 +1,93 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2021 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.drools.legacy.config; + +import java.util.List; +import java.util.Properties; +import lombok.Getter; +import org.onap.policy.common.capabilities.Startable; +import org.onap.policy.common.endpoints.event.comm.Topic; +import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager; +import org.onap.policy.common.endpoints.event.comm.TopicListener; +import org.onap.policy.common.endpoints.event.comm.TopicSource; +import org.onap.policy.drools.persistence.SystemPersistenceConstants; +import org.onap.policy.drools.system.PolicyEngineConstants; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Legacy Configurator. + */ +public class LegacyConfig implements Startable, TopicListener { + + private static final Logger logger = LoggerFactory.getLogger(LegacyConfig.class); + private static final String CONFIGURATION_PROPERTIES_NAME = "feature-legacy-config"; + + @Getter + private final Properties properties; + + @Getter + private TopicSource source; + + /** + * Constructor. + */ + public LegacyConfig() { + properties = SystemPersistenceConstants.getManager().getProperties(CONFIGURATION_PROPERTIES_NAME); + List<TopicSource> sources = TopicEndpointManager.getManager().addTopicSources(properties); + if (sources.isEmpty()) { + throw new IllegalStateException("LegacyConfig cannot be instantiated, no sources"); + } + + this.source = sources.get(0); + if (sources.size() != 1) { + logger.warn("LegacyConfig: more than one source is configured ({}), using {}", + sources.size(), this.source); + } + + source.register(this); + } + + @Override + public boolean start() { + return source.start(); + } + + @Override + public boolean stop() { + return source.stop(); + } + + @Override + public void shutdown() { + source.shutdown(); + } + + @Override + public boolean isAlive() { + return source.isAlive(); + } + + @Override + public void onTopicEvent(Topic.CommInfrastructure comm, String topic, String event) { + PolicyEngineConstants.getManager().onTopicEvent(comm, topic, event); + } +} diff --git a/feature-legacy-config/src/main/java/org/onap/policy/drools/legacy/config/LegacyConfigFeature.java b/feature-legacy-config/src/main/java/org/onap/policy/drools/legacy/config/LegacyConfigFeature.java new file mode 100644 index 00000000..640c32a9 --- /dev/null +++ b/feature-legacy-config/src/main/java/org/onap/policy/drools/legacy/config/LegacyConfigFeature.java @@ -0,0 +1,55 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2021 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.drools.legacy.config; + +import lombok.Getter; +import org.onap.policy.drools.features.PolicyEngineFeatureApi; +import org.onap.policy.drools.system.PolicyEngine; + +/** + * The LegacyConfigFeature enables legacy configuration mechanisms + * in the PDP-D. + */ +public class LegacyConfigFeature implements PolicyEngineFeatureApi { + + protected static final int SEQNO = 1; + + @Getter + private static final LegacyConfig legacyConfig = new LegacyConfig(); + + @Override + public int getSequenceNumber() { + return SEQNO; + } + + @Override + public boolean afterOpen(PolicyEngine engine) { + getLegacyConfig().start(); + return false; + } + + @Override + public boolean beforeShutdown(PolicyEngine engine) { + getLegacyConfig().shutdown(); + return false; + } + +} diff --git a/feature-legacy-config/src/main/java/org/onap/policy/drools/server/restful/RestLegacyConfigManager.java b/feature-legacy-config/src/main/java/org/onap/policy/drools/server/restful/RestLegacyConfigManager.java new file mode 100644 index 00000000..e8d91532 --- /dev/null +++ b/feature-legacy-config/src/main/java/org/onap/policy/drools/server/restful/RestLegacyConfigManager.java @@ -0,0 +1,68 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * Copyright (C) 2021 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.drools.server.restful; + +import io.swagger.annotations.Api; +import io.swagger.annotations.ApiOperation; +import java.util.Properties; +import javax.ws.rs.Consumes; +import javax.ws.rs.GET; +import javax.ws.rs.Path; +import javax.ws.rs.Produces; +import javax.ws.rs.core.MediaType; +import javax.ws.rs.core.Response; +import org.onap.policy.common.endpoints.event.comm.TopicSource; +import org.onap.policy.common.endpoints.http.server.YamlMessageBodyHandler; +import org.onap.policy.drools.legacy.config.LegacyConfigFeature; + +/** + * REST Legacy Configuration Manager. + */ + +@Path("/policy/pdp/engine/legacy/config") +@Produces({MediaType.APPLICATION_JSON, YamlMessageBodyHandler.APPLICATION_YAML}) +@Consumes({MediaType.APPLICATION_JSON, YamlMessageBodyHandler.APPLICATION_YAML}) +@Api +public class RestLegacyConfigManager { + + /** + * GET properties. + */ + @GET + @Path("properties") + @ApiOperation(value = "Retrieves the legacy configuration properties", + notes = "Legacy Configuration Properties", response = Properties.class) + public Response properties() { + return Response.status(Response.Status.OK) + .entity(LegacyConfigFeature.getLegacyConfig().getProperties()).build(); + } + + /** + * GET the topic source. + */ + @GET + @Path("topic/source") + @ApiOperation(value = "Retrieves the legacy configuration topic source", + notes = "Legacy Configuration Source", response = TopicSource.class) + public Response source() { + return Response.status(Response.Status.OK) + .entity(LegacyConfigFeature.getLegacyConfig().getSource()).build(); + } +} |