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 *  distributed with this work for additional information
 *  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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package org.apache.cayenne.dbsync.merge.token.model;

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;

/**
 * @since 4.0
 */
public class SetGeneratedFlagToModel extends AbstractToModelToken.EntityAndColumn {

    private final boolean isGenerated;

    public SetGeneratedFlagToModel(DbEntity entity, DbAttribute column, boolean isGenerated) {
        // drop generated attribute must go first
        super("Set Is Generated", isGenerated ? 111 : 109, entity, column);
        this.isGenerated = isGenerated;
    }

    @Override
    public MergerToken createReverse(MergerTokenFactory factory) {
        return factory.createSetGeneratedFlagToDb(getEntity(), getColumn(), !isGenerated);
    }

    @Override
    public void execute(MergerContext context) {
        getColumn().setGenerated(isGenerated);
        context.getDelegate().dbAttributeModified(getColumn());
    }
}