/*************************************************************************
* (c) Copyright 2017 Hewlett Packard Enterprise Development Company LP
*
* 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 3 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, see http://www.gnu.org/licenses/.
************************************************************************/
package com.eucalyptus.cassandra;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.ServiceJarDiscovery;
import com.eucalyptus.cassandra.common.CassandraComponent;
import com.eucalyptus.cassandra.common.CassandraKeyspaceSpecification;
import com.eucalyptus.system.Ats;
/**
*
*/
public class CassandraKeyspaceDiscovery extends ServiceJarDiscovery {
private static final Logger logger = Logger.getLogger( CassandraKeyspaceDiscovery.class );
@Override
public boolean processClass( final Class candidate ) throws Exception {
if ( CassandraComponent.class.isAssignableFrom( candidate ) &&
Ats.from( candidate ).has( CassandraKeyspaceSpecification.class ) ) {
try {
final CassandraKeyspaceSpecification keyspace =
Ats.from( candidate ).get( CassandraKeyspaceSpecification.class );
logger.info( "Registering keyspace : " + keyspace.value( ) );
CassandraKeyspaces.register( keyspace.value( ), keyspace.replicas( ) );
return true;
} catch ( final Exception ex ) {
logger.error( "Error in cassandra keyspace discovery for " + candidate, ex );
return false;
}
} else {
return false;
}
}
@Override
public Double getPriority( ) {
return 0.1d;
}
}