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IDataRouter.java
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IDataRouter.java
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/*
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU Lesser General Public License (the
* "License"); you may not use this file except in compliance
* with the License.
*
* 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/>.
*
* 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.jumpmind.symmetric.route;
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_type and router_expression column on
* the trigger table. The given Spring bean name of the {@link IDataRouter} is the router_type 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 Set<String> routeToNodes(IRouterContext context, DataMetaData dataMetaData, Set<Node> nodes, boolean initialLoad);
public void completeBatch(IRouterContext context, OutgoingBatch batch);
public void contextCommitted(IRouterContext context);
}