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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.design.dbervices;
import static com.google.common.collect.Lists.newArrayList;
import java.sql.ResultSet;
import java.util.List;
import org.onap.ccsdk.sli.core.dblib.DBResourceManager;
import org.onap.ccsdk.sli.core.dblib.DbLibService;
import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.ServiceReference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DbService {
private static final Logger Log = LoggerFactory.getLogger(DbService.class);
private static final String DBLIB_SERVICE = "org.onap.ccsdk.sli.core.dblib.DBResourceManager";
private DbLibService dbLibSvc = null;
public DbService() throws DBException {
Log.info("Initializing DbService service");
try
{
dbLibSvc = getDbLibService();
if (dbLibSvc == null) {
Log.error("Got Exception While getting DB Connection");
throw new DBException("Got Exception While getting DB Connection");
}
}
catch (Exception e) {
Log.error(e.getMessage());
throw new DBException("An error occurred when instantiating DB service", e);
}
}
private static DbLibService getDbLibService() {
DbLibService dbLibService = null;
BundleContext bundleContext = null;
ServiceReference serviceRef = null;
Bundle bundle = FrameworkUtil.getBundle(SvcLogicService.class);
if (bundle != null) {
bundleContext = bundle.getBundleContext();
}
if (bundleContext != null) {
Log.debug("Getting bundle Context");
serviceRef = bundleContext.getServiceReference(DBLIB_SERVICE);
}
if (serviceRef == null) {
Log.warn("Could not find service reference for DBLib service");
} else {
dbLibService = (DbLibService)bundleContext.getService(serviceRef);
if (dbLibService == null) {
Log.warn("DBLIB_SERVICE is null");
}
}
if (dbLibService == null) {
try {
dbLibService = new DBResourceManager(System.getProperties());
} catch (Exception e) {
Log.error("Caught exception trying to create db service", e);
}
if (dbLibService == null) {
Log.warn("Could not create new DBResourceManager");
}
}
return dbLibService;
}
public ResultSet getDBData(String query) throws DBException{
ResultSet resultSet;
StringBuilder sqlBuilder = new StringBuilder(query);
Log.info("Query: " + sqlBuilder.toString());
try {
resultSet = dbLibSvc.getData(sqlBuilder.toString(), null, null);
} catch (Exception e) {
Log.error("SQL query "+sqlBuilder+" :: " + e.getMessage());
throw new DBException("An error occurred when reading DB data", e);
}
return resultSet;
}
public ResultSet getDBData(String query, List<String> paramList) throws DBException {
ResultSet resultSet;
StringBuilder sqlBuilder = new StringBuilder(query);
Log.info("Query :" + sqlBuilder.toString());
try {
resultSet = dbLibSvc.getData(sqlBuilder.toString(), newArrayList(paramList), null);
} catch (Exception e) {
Log.error("query "+sqlBuilder+" :: " + e.getMessage());
throw new DBException("An error occurred when reading DB data", e);
}
return resultSet;
}
public boolean updateDBData(String query, List<String> paramList) throws DBException{
boolean update;
StringBuilder sqlBuilder = new StringBuilder(query);
Log.info("Query :" + sqlBuilder.toString());
try {
update = dbLibSvc.writeData(sqlBuilder.toString(), newArrayList(paramList), null);
} catch (Exception e) {
Log.error("query "+sqlBuilder+" :: " + e.getMessage());
throw new DBException("An error occurred when updating DB data", e);
}
return update;
}
}
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