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/*-
* ============LICENSE_START=======================================================
* onap
* ================================================================================
* Copyright (C) 2016 - 2017 ONAP
* ================================================================================
* 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.onap.ccsdk.sli.core.dblib.jdbc;
import java.sql.SQLFeatureNotSupportedException;
import org.apache.tomcat.jdbc.pool.DataSource;
import org.apache.tomcat.jdbc.pool.PoolProperties;
import org.onap.ccsdk.sli.core.dblib.CachedDataSource;
import org.onap.ccsdk.sli.core.dblib.DBConfigException;
import org.onap.ccsdk.sli.core.dblib.config.BaseDBConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class JdbcDBCachedDataSource extends CachedDataSource {
private String dbDriver;
private String dbUserId;
private String dbPasswd;
private String dbUrl;
private int minLimit;
private int maxLimit;
private int initialLimit;
private static final String AS_CONF_ERROR = "AS_CONF_ERROR: ";
private static final Logger LOGGER = LoggerFactory.getLogger(JdbcDBCachedDataSource.class);
/**
* @param jdbcElem
*/
public JdbcDBCachedDataSource(BaseDBConfiguration jdbcElem) {
super(jdbcElem);
}
@Override
protected DataSource configure(BaseDBConfiguration xmlElem) throws DBConfigException {
BaseDBConfiguration jdbcConfig = xmlElem;
if (jdbcConfig.getConnTimeout() > 0) {
this.connReqTimeout = jdbcConfig.getConnTimeout();
}
if (jdbcConfig.getRequestTimeout() > 0) {
this.dataReqTimeout = jdbcConfig.getRequestTimeout();
}
// set connection pool name
String dbConnectionName = jdbcConfig.getDbConnectionName();
super.setDbConnectionName(dbConnectionName);
// Configure the JDBC connection
dbUserId = jdbcConfig.getDbUserId();
if (dbUserId == null) {
String errorMsg = "Invalid XML contents: JDBCConnection missing dbUserId attribute";
LOGGER.error(AS_CONF_ERROR + errorMsg);
throw new DBConfigException(errorMsg);
}
dbPasswd = jdbcConfig.getDbPasswd();
if (dbPasswd == null) {
String errorMsg = "Invalid XML contents: JDBCConnection missing dbPasswd attribute";
LOGGER.error(AS_CONF_ERROR + errorMsg);
throw new DBConfigException(errorMsg);
}
dbDriver = jdbcConfig.getDriverName();
if (dbDriver == null) {
String errorMsg = "Invalid XML contents: JDBCConnection missing dbDriver attribute";
LOGGER.error(AS_CONF_ERROR + errorMsg);
throw new DBConfigException(errorMsg);
}
minLimit = jdbcConfig.getDbMinLimit();
// if (minLimit == null)
// {
// String errorMsg = "Invalid XML contents: JDBC Connection missing minLimit attribute";
// LOGGER.error(AS_CONF_ERROR + errorMsg);
// throw new DBConfigException(errorMsg);
// }
maxLimit = jdbcConfig.getDbMaxLimit();
// if (maxLimit == null)
// {
// String errorMsg = "Invalid XML contents: JDBC Connection missing maxLimit attribute";
// LOGGER.error(AS_CONF_ERROR + errorMsg);
// throw new DBConfigException(errorMsg);
// }
initialLimit = jdbcConfig.getDbInitialLimit();
// if (initialLimit == null)
// {
// String errorMsg = "Invalid XML contents: JDBC Connection missing initialLimit attribute";
// LOGGER.error(AS_CONF_ERROR + errorMsg);
// throw new DBConfigException(errorMsg);
// }
dbUrl = jdbcConfig.getDbUrl();
if (dbUrl == null) {
String errorMsg = "Invalid XML contents: JDBCConnection missing dbUrl attribute";
LOGGER.error(AS_CONF_ERROR + errorMsg);
throw new DBConfigException(errorMsg);
}
try {
PoolProperties p = new PoolProperties();
p.setDriverClassName(dbDriver);
p.setUrl(dbUrl);
p.setUsername(dbUserId);
p.setPassword(dbPasswd);
p.setJmxEnabled(true);
p.setTestWhileIdle(false);
p.setTestOnBorrow(true);
p.setValidationQuery("SELECT 1");
p.setTestOnReturn(false);
p.setValidationInterval(30000);
p.setTimeBetweenEvictionRunsMillis(30000);
p.setInitialSize(initialLimit);
p.setMaxActive(maxLimit);
p.setMaxIdle(maxLimit);
p.setMaxWait(10000);
p.setRemoveAbandonedTimeout(60);
p.setMinEvictableIdleTimeMillis(30000);
p.setMinIdle(minLimit);
p.setLogAbandoned(true);
p.setRemoveAbandoned(true);
p.setJdbcInterceptors("org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;"
+ "org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer");
final DataSource dataSource = new DataSource(p);
synchronized (this) {
initialized = true;
}
LOGGER.info(String.format("JdbcDBCachedDataSource <%s> configured successfully. Using URL: %s",
dbConnectionName, dbUrl));
return dataSource;
} catch (Exception exc) {
initialized = false;
LOGGER.error(String.format("AS_CONF_ERROR: Failed to initialize MySQLCachedDataSource <%s>. Reason: %s",
dbConnectionName, exc.getMessage()));
return null;
}
}
public final String getDbUrl() {
return dbUrl;
}
public final String getDbUserId() {
return dbUserId;
}
public final String getDbPasswd() {
return dbPasswd;
}
public static JdbcDBCachedDataSource createInstance(BaseDBConfiguration config) /*throws Exception*/ {
return new JdbcDBCachedDataSource(config);
}
public String toString() {
return getDbConnectionName();
}
public java.util.logging.Logger getParentLogger()
throws SQLFeatureNotSupportedException {
return null;
}
@Override
public void cleanUp() {
DataSource dataSource = (DataSource) ds;
dataSource.getPool().purge();
dataSource.close(true);
super.cleanUp();
}
}
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