/**
* 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 General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) 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.io.data.transform;
import java.util.Map;
import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.extension.IExtensionPoint;
import org.jumpmind.symmetric.io.data.DataContext;
/**
* An extension point that can be implemented to provide custom transformation
* logic. Column transforms are stateless and so should not keep references to
* objects as attributes.
*/
public interface IColumnTransform<T> extends IExtensionPoint {
public T transform(IDatabasePlatform platform, DataContext context, TransformColumn column,
TransformedData data, Map<String, String> sourceValues, String newValue, String oldValue)
throws IgnoreColumnException, IgnoreRowException;
public boolean isExtractColumnTransform();
public boolean isLoadColumnTransform();
}