/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.activemq.store.jdbc;
import java.io.IOException;
import org.apache.activemq.Service;
/**
* Represents some kind of lock service to ensure that a broker is the only master
*
* @deprecated As of 5.7.0, use more general {@link org.apache.activemq.broker.Locker} instead
*/
@Deprecated
public interface DatabaseLocker extends Service {
/**
* allow the injection of a jdbc persistence adapter
* @param adapter the persistence adapter to use
* @throws IOException
*/
void setPersistenceAdapter(JDBCPersistenceAdapter adapter) throws IOException;
/**
* Used by a timer to keep alive the lock.
* If the method returns false the broker should be terminated
* if an exception is thrown, the lock state cannot be determined
*/
boolean keepAlive() throws IOException;
/**
* set the delay interval in milliseconds between lock acquire attempts
* @param lockAcquireSleepInterval the sleep interval in miliseconds
*/
void setLockAcquireSleepInterval(long lockAcquireSleepInterval);
}