/*
* HA-JDBC: High-Availability JDBC
* Copyright (C) 2012 Paul Ferraro
*
* 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.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.hajdbc.state.distributed;
import java.util.Map;
import net.sf.hajdbc.Database;
import net.sf.hajdbc.distributed.Command;
import net.sf.hajdbc.durability.InvocationEvent;
import net.sf.hajdbc.durability.InvokerEvent;
public class InvokerCommand<Z, D extends Database<Z>> implements Command<Void, StateCommandContext<Z, D>>
{
private static final long serialVersionUID = 5093904550015002207L;
private final RemoteInvokerDescriptor descriptor;
protected InvokerCommand(RemoteInvokerDescriptor descriptor)
{
this.descriptor = descriptor;
}
/**
* {@inheritDoc}
* @see net.sf.hajdbc.distributed.Command#execute(java.lang.Object)
*/
@Override
public Void execute(StateCommandContext<Z, D> context)
{
Map<InvocationEvent, Map<String, InvokerEvent>> invokers = context.getRemoteInvokers(this.descriptor);
InvokerEvent event = this.descriptor.getEvent();
String databaseId = event.getDatabaseId();
synchronized (invokers)
{
Map<String, InvokerEvent> map = invokers.get(event);
if (map != null)
{
map.put(databaseId, event);
}
}
return null;
}
/**
* {@inheritDoc}
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
return String.format("%s(%s)", this.getClass().getSimpleName(), this.descriptor);
}
}