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* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* software distributed under the License is distributed on an
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package org.apache.cayenne.dbsync.merge.token.model;
import org.apache.cayenne.dbsync.merge.context.EntityMergeSupport;
import org.apache.cayenne.dbsync.merge.context.MergerContext;
import org.apache.cayenne.dbsync.merge.factory.MergerTokenFactory;
import org.apache.cayenne.dbsync.merge.token.MergerToken;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.ObjEntity;
/**
* A {@link MergerToken} to add a {@link DbAttribute} to a {@link DbEntity}. The
* {@link EntityMergeSupport} will be used to update the mapped {@link ObjEntity}
*/
public class AddColumnToModel extends AbstractToModelToken.EntityAndColumn {
public AddColumnToModel(DbEntity entity, DbAttribute column) {
super("Add Column", 55, entity, column);
}
@Override
public MergerToken createReverse(MergerTokenFactory factory) {
return factory.createDropColumnToDb(getEntity(), getColumn());
}
@Override
public void execute(MergerContext mergerContext) {
getEntity().addAttribute(getColumn());
for (ObjEntity e : getMappedObjEntities()) {
mergerContext.getEntityMergeSupport().synchronizeOnDbAttributeAdded(e, getColumn());
}
mergerContext.getDelegate().dbAttributeAdded(getColumn());
}
}