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HikariPooledDataSourceFactory.java
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HikariPooledDataSourceFactory.java
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/*
* Copyright 2021 OPS4J.
*
* 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.
*/
package org.ops4j.pax.jdbc.pool.hikaricp.impl;
import java.sql.SQLException;
import java.util.Properties;
import javax.sql.DataSource;
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;
import org.ops4j.pax.jdbc.pool.common.PooledDataSourceFactory;
import org.osgi.service.jdbc.DataSourceFactory;
/**
* Creates pooled ready DataSources out of a non pooled DataSourceFactory. XA
* datasources are not supported. This kind of DataSource can then for example be used
* in persistence.xml as jta-data-source
*/
public class HikariPooledDataSourceFactory implements PooledDataSourceFactory {
protected static final String POOL_PREFIX = "hikari.";
protected static final String POOL_PREFIX2 = "pool.";
public HikariPooledDataSourceFactory() {
}
protected Properties getNonPoolProps(Properties props) {
Properties dsProps = new Properties();
for (Object keyO : props.keySet()) {
String key = (String) keyO;
if (!key.startsWith(POOL_PREFIX) && !key.startsWith(POOL_PREFIX2)) {
dsProps.put(key, props.get(key));
}
}
dsProps.remove(DataSourceFactory.JDBC_DATASOURCE_NAME);
return dsProps;
}
protected Properties getPoolProps(Properties props) {
Properties prefixedProps = new Properties();
for (Object keyO : props.keySet()) {
String key = (String) keyO;
if (key.startsWith(POOL_PREFIX)) {
String strippedKey = key.substring(POOL_PREFIX.length());
prefixedProps.put(strippedKey, props.get(key));
} else if (key.startsWith(POOL_PREFIX2)) {
String strippedKey = key.substring(POOL_PREFIX2.length());
prefixedProps.put(strippedKey, props.get(key));
}
}
return prefixedProps;
}
@Override
public DataSource create(DataSourceFactory dsf, Properties config) throws SQLException {
try {
DataSource ds = dsf.createDataSource(getNonPoolProps(config));
Properties poolProps = getPoolProps(config);
HikariConfig hconfig = new HikariConfig(poolProps);
hconfig.setDataSource(ds);
return new HikariDataSource(hconfig);
} catch (Throwable e) {
if (e instanceof SQLException) {
throw (SQLException) e;
} else if (e instanceof RuntimeException) {
throw (RuntimeException) e;
} else {
throw new RuntimeException(e.getMessage(), e);
}
}
}
}