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/*-
* ============LICENSE_START=======================================================
* openECOMP : SDN-C
* ================================================================================
* Copyright (C) 2017 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.openecomp.sdnc.util.db;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import javax.sql.DataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CachedDataSourceWrap implements DataSource {
private static final Logger log = LoggerFactory.getLogger(CachedDataSourceWrap.class);
private ThreadLocal<ConnectionWrap> con = new ThreadLocal<>();
private DataSource dataSource;
@Override
public PrintWriter getLogWriter() throws SQLException {
return dataSource.getLogWriter();
}
@Override
public void setLogWriter(PrintWriter out) throws SQLException {
dataSource.setLogWriter(out);
}
@Override
public void setLoginTimeout(int seconds) throws SQLException {
dataSource.setLoginTimeout(seconds);
}
@Override
public int getLoginTimeout() throws SQLException {
return dataSource.getLoginTimeout();
}
@Override
public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException {
return dataSource.getParentLogger();
}
@Override
public <T> T unwrap(Class<T> iface) throws SQLException {
return dataSource.unwrap(iface);
}
@Override
public boolean isWrapperFor(Class<?> iface) throws SQLException {
return dataSource.isWrapperFor(iface);
}
@Override
public Connection getConnection() throws SQLException {
if (con.get() == null) {
Connection c = dataSource.getConnection();
ConnectionWrap cc = new ConnectionWrap(c);
con.set(cc);
log.info("Got new DB connection: " + c);
} else
log.info("Using thread DB connection: " + con.get().getCon());
return con.get();
}
@Override
public Connection getConnection(String username, String password) throws SQLException {
if (con.get() == null) {
Connection c = dataSource.getConnection(username, password);
ConnectionWrap cc = new ConnectionWrap(c);
con.set(cc);
log.info("Got new DB connection: " + c);
} else
log.info("Using thread DB connection: " + con.get().getCon());
return con.get();
}
public void releaseConnection() {
if (con.get() != null) {
try {
con.get().realClose();
log.info("DB Connection released: " + con.get().getCon());
} catch (SQLException e) {
log.warn("Failed to release DB connection", e);
} finally {
con.remove();
}
}
}
public void setDataSource(DataSource dataSource) {
this.dataSource = dataSource;
}
}
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