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/*-
* ============LICENSE_START=======================================================
* openecomp
* ================================================================================
* Copyright (C) 2016 - 2017 AT&T
* ================================================================================
* 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.openecomp.sdnc.sli.resource.dblib.jdbc;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.FutureTask;
import org.openecomp.sdnc.sli.resource.dblib.CachedDataSource;
import org.openecomp.sdnc.sli.resource.dblib.CachedDataSourceFactory;
import org.openecomp.sdnc.sli.resource.dblib.DBResourceManager;
import org.openecomp.sdnc.sli.resource.dblib.DataSourceComparator;
import org.openecomp.sdnc.sli.resource.dblib.config.DbConfigPool;
import org.openecomp.sdnc.sli.resource.dblib.config.JDBCConfiguration;
import org.openecomp.sdnc.sli.resource.dblib.factory.AbstractResourceManagerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @version $Revision: 1.6 $
* Change Log
* Author Date Comments
* ============== ======== ====================================================
* Rich Tabedzki
*/
public class JdbcDbResourceManagerFactory extends AbstractResourceManagerFactory {
private static Logger LOGGER = LoggerFactory.getLogger(JdbcDbResourceManagerFactory.class );
private JdbcDbResourceManagerFactory(){
}
class MyFutureTask extends FutureTask<CachedDataSource>
{
public MyFutureTask(Callable<CachedDataSource> result) {
super(result);
}
}
public CachedDataSource[] initDBResourceManager(DbConfigPool dbConfig, DBResourceManager manager, String sourceName) throws SQLException
{
// here create the data sources objects
JDBCConfiguration[] list = dbConfig.getJDBCbSourceArray();
CachedDataSource[] cachedDS = new CachedDataSource[1];
for(int i=0, max=list.length; i<max; i++){
if(!sourceName.equals(list[i].getDbConnectionName()))
continue;
JDBCConfiguration config = list[i];
CachedDataSource dataSource = CachedDataSourceFactory.createDataSource(config);
cachedDS[0] = dataSource;
}
return cachedDS;
}
public CachedDataSource[] initDBResourceManager(DbConfigPool dbConfig, DBResourceManager manager) /* throws Exception */ {
ExecutorService threadExecutor = Executors.newFixedThreadPool(2);
// here create the data sources objects
JDBCConfiguration[] list = dbConfig.getJDBCbSourceArray();
MyFutureTask[] futures = new MyFutureTask[list.length];
final Set<DBInitTask> tasks = new HashSet<DBInitTask>();
if(LOGGER.isDebugEnabled()) {
LOGGER.debug("Creating " + list.length + " datasources.");
}
for(int i=0, max=list.length; i<max; i++){
JDBCConfiguration config = list[i];
DBInitTask task = new DBInitTask(config, tasks);
tasks.add(task);
futures[i] = new MyFutureTask(task);
}
try {
synchronized(tasks){
for(int i=0, max=list.length; i<max; i++){
if(LOGGER.isDebugEnabled())
LOGGER.debug("Starting executor tasks.");
threadExecutor.execute(futures[i]);
}
// the timeout param is set is seconds.
long timeout = ((dbConfig.getTimeout() <= 0) ? 60L : dbConfig.getTimeout());
LOGGER.debug("Timeout set to " +timeout+" seconds");
timeout *= 1000;
// the timeout param is set is seconds, hence it needs to be multiplied by 1000.
tasks.wait(timeout);
if(LOGGER.isDebugEnabled())
LOGGER.debug("initDBResourceManager wait completed.");
}
} catch(Exception exc) {
LOGGER.error("Failed to initialize JndiCachedDataSource. Reason: ", exc);
}
if(threadExecutor != null){
try {
threadExecutor.shutdown();
} catch(Exception exc){}
}
CachedDataSource[] cachedDS = new CachedDataSource[futures.length];
boolean initialized = false;
for(int i=0; i<futures.length; i++){
Object obj = null;
if(futures[i].isDone()){
try {
obj = futures[i].get();
if(obj instanceof CachedDataSource){
cachedDS[i] = (CachedDataSource)obj;
initialized |= cachedDS[i].isInitialized();
if(cachedDS[i].isInitialized())
LOGGER.info("DataSource "+list[i].getDbConnectionName()+" initialized successfully");
else
LOGGER.error("DataSource "+list[i].getDbConnectionName()+" initialization failed");
} else {
if(obj == null) {
LOGGER.warn("DataSource " + i + " initialization failed. Returned object is null");
} else {
LOGGER.warn("DataSource " + i + " initialization failed. Returned object is " + obj.getClass().getName());
}
}
} catch (InterruptedException exc) {
LOGGER.error("DataSource "+list[i].getDbConnectionName()+" initialization failed", exc);
} catch (ExecutionException exc) {
LOGGER.error("DataSource "+list[i].getDbConnectionName()+" initialization failed", exc);
} catch (Exception exc) {
LOGGER.error("DataSource "+list[i].getDbConnectionName()+" initialization failed", exc);
}
} else {
try {
obj = futures[i].get();
if(obj instanceof CachedDataSource){
LOGGER.warn("DataSource "+((CachedDataSource)obj).getDbConnectionName()+" failed");
} else {
if(obj == null) {
LOGGER.warn("DataSource " + i + " initialization failed. Returned object is null");
} else {
LOGGER.warn("DataSource " + i + " initialization failed. Returned object is " + obj.getClass().getName());
}
}
} catch (Exception exc) {
LOGGER.error("DataSource "+list[i].getDbConnectionName()+" initialization failed", exc);
}
}
}
if(!initialized){
new Error("Failed to initialize DB Library.");
}
return cachedDS;
}
public static AbstractResourceManagerFactory createIntstance() {
return new JdbcDbResourceManagerFactory();
}
}
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