PerVmServerConfigCacheFactory.java
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/*
Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.jdbc;
import java.sql.SQLException;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
public class PerVmServerConfigCacheFactory implements CacheAdapterFactory<String, Map<String, String>> {
static final ConcurrentHashMap<String, Map<String, String>> serverConfigByUrl = new ConcurrentHashMap<String, Map<String, String>>();
private static final CacheAdapter<String, Map<String, String>> serverConfigCache = new CacheAdapter<String, Map<String, String>>() {
public Map<String, String> get(String key) {
return serverConfigByUrl.get(key);
}
public void put(String key, Map<String, String> value) {
serverConfigByUrl.putIfAbsent(key, value);
}
public void invalidate(String key) {
serverConfigByUrl.remove(key);
}
public void invalidateAll(Set<String> keys) {
for (String key : keys) {
serverConfigByUrl.remove(key);
}
}
public void invalidateAll() {
serverConfigByUrl.clear();
}
};
public CacheAdapter<String, Map<String, String>> getInstance(Connection forConn, String url, int cacheMaxSize, int maxKeySize,
Properties connectionProperties) throws SQLException {
return serverConfigCache;
}
}