/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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.
*
*/
package org.wso2.carbon.dataservices.core.description.config;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.sql.DataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.commons.datasource.DataSourceRepositoryHolder;
import org.apache.synapse.commons.datasource.DataSourceInformation;
import org.apache.synapse.commons.datasource.DataSourceInformationRepository;
import org.wso2.carbon.dataservices.common.DBConstants;
import org.wso2.carbon.dataservices.common.DBConstants.DataSourceTypes;
import org.wso2.carbon.dataservices.core.DataServiceFault;
import org.wso2.carbon.dataservices.core.engine.DataService;
import org.wso2.carbon.dataservices.core.internal.DataServicesDSComponent;
import org.wso2.carbon.dataservices.core.listeners.CarbonDataSourceServiceListener;
import org.wso2.carbon.datasource.DataSourceInformationRepositoryService;
/**
* This class represents a Carbon Data Source based data source configuration.
*/
public class CarbonDataSourceConfig extends SQLConfig implements CarbonDataSourceServiceListener {
private static final Log log = LogFactory.getLog(CarbonDataSourceConfig.class);
private DataSource dataSource;
private String dataSourceName;
public CarbonDataSourceConfig(DataService dataService, String configId,
Map<String, String> properties) throws DataServiceFault {
super(dataService, configId, DataSourceTypes.CARBON, properties);
this.dataSourceName = properties.get(DBConstants.CarbonDatasource.NAME);
DataServicesDSComponent.registerCarbonDataSourceServiceListener(this);
}
@Override
public DataSource getDataSource() {
return dataSource;
}
public String getDataSourceName() {
return dataSourceName;
}
public void initCarbonDSService(DataSourceInformationRepositoryService cdService) {
this.dataSource = this.createDataSource(cdService);
}
private DataSource createDataSource(DataSourceInformationRepositoryService cdService) {
DataSourceInformationRepository datasourceRepo = cdService.
getDataSourceInformationRepository();
DataSourceRepositoryHolder dataSourceHelper = DataSourceRepositoryHolder.getInstance();
dataSourceHelper.init(datasourceRepo, null);
return dataSourceHelper.getDataSourceRepositoryManager().getDataSource(
this.getDataSourceName());
}
public static List<String> getCarbonDataSourceNames() {
DataSourceInformationRepositoryService dataSourceService = DataServicesDSComponent.
getCarbonDataSourceService();
if (dataSourceService == null) {
log.error("CarbonDataSourceConfig.getCarbonDataSourceNames(): Carbon data source service is not available, returning empty list");
return new ArrayList<String>();
}
List<String> namesList = new ArrayList<String>();
Iterator<DataSourceInformation> dataItr = dataSourceService.
getDataSourceInformationRepository().getAllDataSourceInformation();
DataSourceInformation dataInfo = null;
while (dataItr.hasNext()) {
dataInfo = dataItr.next();
namesList.add(dataInfo.getDatasourceName());
}
return namesList;
}
@Override
public int getActiveConnectionCount() {
return -1;
}
@Override
public int getIdleConnectionCount() {
return -1;
}
@Override
public boolean isStatsAvailable() {
return false;
}
public void setCarbonDataSourceService(
DataSourceInformationRepositoryService carbonDataSourceService) {
this.initCarbonDSService(carbonDataSourceService);
}
public void close() {
/* nothing to close */
}
@Override
public int getTenantId() {
return this.getDataService().getTenantId();
}
}