/**
* Copyright (C) 2012-2013 Selventa, Inc.
*
* This file is part of the OpenBEL Framework.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The OpenBEL Framework 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the OpenBEL Framework. If not, see <http://www.gnu.org/licenses/>.
*
* Additional Terms under LGPL v3:
*
* This license does not authorize you and you are prohibited from using the
* name, trademarks, service marks, logos or similar indicia of Selventa, Inc.,
* or, in the discretion of other licensors or authors of the program, the
* name, trademarks, service marks, logos or similar indicia of such authors or
* licensors, in any marketing or advertising materials relating to your
* distribution of the program or any covered product. This restriction does
* not waive or limit your obligation to keep intact all copyright notices set
* forth in the program as delivered to you.
*
* If you distribute the program in whole or in part, or any modified version
* of the program, and you assume contractual liability to the recipient with
* respect to the program or modified version, then you will indemnify the
* authors and licensors of the program for any liabilities that these
* contractual assumptions directly impose on those licensors and authors.
*/
package org.openbel.framework.ws.service;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.lang.RandomStringUtils;
import org.openbel.framework.api.Dialect;
import org.springframework.stereotype.Service;
/**
* @author Steve Ungerer
*/
@Service
public class DialectCacheServiceImpl implements DialectCacheService {
private static final int HANDLE_LENGTH = 24;
private Map<String, Dialect> handleDialectCache =
new HashMap<String, Dialect>();
private Map<Dialect, String> dialectHandleCache =
new HashMap<Dialect, String>();
/**
* {@inheritDoc}
*/
@Override
public synchronized Dialect getDialect(String dialectHandle) {
return handleDialectCache.get(dialectHandle);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized String cacheDialect(Dialect dialect) {
String handle = dialectHandleCache.get(dialect);
if (handle == null) {
handle = RandomStringUtils.randomAlphabetic(HANDLE_LENGTH);
handleDialectCache.put(handle, dialect);
dialectHandleCache.put(dialect, handle);
}
return handle;
}
/**
* {@inheritDoc}
*/
@Override
public synchronized void releaseDialect(String dialectHandle) {
Dialect d = handleDialectCache.remove(dialectHandle);
dialectHandleCache.remove(d);
}
}