2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.ccsdk.sli.adaptors.util.db;
24 import java.io.PrintWriter;
25 import java.sql.Connection;
26 import java.sql.SQLException;
27 import java.sql.SQLFeatureNotSupportedException;
29 import javax.sql.DataSource;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
34 public class CachedDataSourceWrap implements DataSource {
36 private static final Logger log = LoggerFactory.getLogger(CachedDataSourceWrap.class);
38 private ThreadLocal<ConnectionWrap> con = new ThreadLocal<>();
40 private DataSource dataSource;
43 public PrintWriter getLogWriter() throws SQLException {
44 return dataSource.getLogWriter();
48 public void setLogWriter(PrintWriter out) throws SQLException {
49 dataSource.setLogWriter(out);
53 public void setLoginTimeout(int seconds) throws SQLException {
54 dataSource.setLoginTimeout(seconds);
58 public int getLoginTimeout() throws SQLException {
59 return dataSource.getLoginTimeout();
63 public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException {
64 return dataSource.getParentLogger();
68 public <T> T unwrap(Class<T> iface) throws SQLException {
69 return dataSource.unwrap(iface);
73 public boolean isWrapperFor(Class<?> iface) throws SQLException {
74 return dataSource.isWrapperFor(iface);
78 public Connection getConnection() throws SQLException {
79 if (con.get() == null) {
80 Connection c = dataSource.getConnection();
81 ConnectionWrap cc = new ConnectionWrap(c);
84 log.info("Got new DB connection: " + c);
86 log.info("Using thread DB connection: " + con.get().getCon());
92 public Connection getConnection(String username, String password) throws SQLException {
93 if (con.get() == null) {
94 Connection c = dataSource.getConnection(username, password);
95 ConnectionWrap cc = new ConnectionWrap(c);
98 log.info("Got new DB connection: " + c);
100 log.info("Using thread DB connection: " + con.get().getCon());
105 public void releaseConnection() {
106 if (con.get() != null) {
108 con.get().realClose();
110 log.info("DB Connection released: " + con.get().getCon());
111 } catch (SQLException e) {
112 log.warn("Failed to release DB connection", e);
119 public void setDataSource(DataSource dataSource) {
120 this.dataSource = dataSource;