1 files changed, 92 insertions, 0 deletions
diff --git a/so-etsi-nfvo-ns-lcm/so-etsi-nfvo-ns-lcm-bpmn-flows/src/main/java/org/onap/so/etsi/nfvo/ns/lcm/bpmn/flows/CamundaDatabaseConfiguration.java b/so-etsi-nfvo-ns-lcm/so-etsi-nfvo-ns-lcm-bpmn-flows/src/main/java/org/onap/so/etsi/nfvo/ns/lcm/bpmn/flows/CamundaDatabaseConfiguration.java
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+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows;
+
+
+import static org.slf4j.LoggerFactory.getLogger;
+import javax.sql.DataSource;
+import org.camunda.bpm.engine.spring.SpringProcessEngineConfiguration;
+import org.camunda.bpm.spring.boot.starter.util.SpringBootProcessEnginePlugin;
+import org.slf4j.Logger;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.datasource.DataSourceTransactionManager;
+import org.springframework.jmx.export.MBeanExporter;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+@Configuration
+@EnableTransactionManagement
+public class CamundaDatabaseConfiguration {
+
+    private static final String CAMUNDA_TRANSACTION_MANAGER_BEAN_NAME = "camundaTransactionManager";
+
+    private static final String CAMUNDA_DATA_SOURCE_BEAN_NAME = "camundaBpmDataSource";
+
+    private static final Logger logger = getLogger(CamundaDatabaseConfiguration.class);
+
+    @Autowired(required = false)
+    private MBeanExporter mBeanExporter;
+
+    @Bean
+    @ConfigurationProperties(prefix = "spring.datasource.hikari.camunda")
+    public HikariConfig camundaDbConfig() {
+        logger.debug("Creating Camunda HikariConfig bean ... ");
+        return new HikariConfig();
+    }
+
+    @Bean(name = CAMUNDA_DATA_SOURCE_BEAN_NAME)
+    public DataSource camundaDataSource() {
+        if (mBeanExporter != null) {
+            mBeanExporter.addExcludedBean(CAMUNDA_DATA_SOURCE_BEAN_NAME);
+        }
+        logger.debug("Creating Camunda HikariDataSource bean ... ");
+        final HikariConfig hikariConfig = this.camundaDbConfig();
+        return new HikariDataSource(hikariConfig);
+    }
+
+    @Bean(name = CAMUNDA_TRANSACTION_MANAGER_BEAN_NAME)
+    public PlatformTransactionManager camundaTransactionManager(
+            @Qualifier(CAMUNDA_DATA_SOURCE_BEAN_NAME) final DataSource dataSource) {
+        return new DataSourceTransactionManager(dataSource);
+    }
+
+    @Bean
+    public SpringBootProcessEnginePlugin transactionManagerProcessEnginePlugin(
+            @Qualifier(CAMUNDA_TRANSACTION_MANAGER_BEAN_NAME) final PlatformTransactionManager camundaTransactionManager) {
+        return new SpringBootProcessEnginePlugin() {
+            @Override
+            public void preInit(final SpringProcessEngineConfiguration processEngineConfiguration) {
+                logger.info("Setting Camunda TransactionManager ...");
+                processEngineConfiguration.setTransactionManager(camundaTransactionManager);
+
+            }
+        };
+    }
+}