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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
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package org.apache.cayenne.merge;
import java.util.Collections;
import java.util.List;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.dba.QuotingStrategy;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
/**
* A {@link MergerToken} to add a "not null" clause to a column.
*/
public class SetNotNullToDb extends AbstractToDbToken.EntityAndColumn {
public SetNotNullToDb(DbEntity entity, DbAttribute column) {
super(entity, column);
}
@Override
public List<String> createSql(DbAdapter adapter) {
StringBuilder sqlBuffer = new StringBuilder();
QuotingStrategy context = adapter.getQuotingStrategy();
sqlBuffer.append("ALTER TABLE ");
sqlBuffer.append(context.quotedFullyQualifiedName(getEntity()));
sqlBuffer.append(" ALTER COLUMN ");
sqlBuffer.append(context.quotedName(getColumn()));
sqlBuffer.append(" SET NOT NULL");
return Collections.singletonList(sqlBuffer.toString());
}
public String getTokenName() {
return "Set Not Null";
}
public MergerToken createReverse(MergerFactory factory) {
return factory.createSetAllowNullToModel(getEntity(), getColumn());
}
}