/
IDataRouter.java
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/
IDataRouter.java
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/*
* SymmetricDS is an open source database synchronization solution.
*
* Copyright (C) Chris Henson <chenson42@users.sourceforge.net>
*
* This library 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 library 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 library; if not, see
* <http://www.gnu.org/licenses/>.
*/
package org.jumpmind.symmetric.route;
import java.util.Collection;
import java.util.Set;
import org.jumpmind.symmetric.ext.IExtensionPoint;
import org.jumpmind.symmetric.model.DataMetaData;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.OutgoingBatch;
/**
* The data router is an extension point that allows the end user to target
* certain nodes with data changes. SymmetricDS comes with a build-in data routers like
* {@link SubSelectDataRouter} and {@link ColumnMatchDataRouter}.
* <p>
* In order to configure a data router you use the router_name and router_expression column on
* the trigger table. The given Spring bean name of the {@link IDataRouter} is the router_name and
* each data router is configured using the routing_expression according to its implementation.
*
* @since 2.0
* @see SubSelectDataRouter
* @see ColumnMatchDataRouter
*/
public interface IDataRouter extends IExtensionPoint {
public Collection<String> routeToNodes(IRouterContext context, DataMetaData dataMetaData, Set<Node> nodes, boolean initialLoad);
public void completeBatch(IRouterContext context, OutgoingBatch batch);
}