/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.ais.model.validation;
import com.foundationdb.ais.model.AkibanInformationSchema;
import com.foundationdb.ais.model.Table;
import com.foundationdb.server.error.AISValidationException;
/** Every table has an ordinal. If a table is a child, it's ordinal is greater than the parent's. */
public class OrdinalOrdering implements AISValidation
{
@Override
public void validate(AkibanInformationSchema ais, AISValidationOutput output) {
for(Table t : ais.getTables().values()) {
if(t.getOrdinal() == null) {
output.reportFailure(new AISValidationFailure(noOrdinal(t)));
} else {
Table p = t.getParentTable();
if((p != null) && (p.getOrdinal() != null) && (t.getOrdinal() < p.getOrdinal())) {
output.reportFailure(new AISValidationFailure(lowerOrdinal(p, t)));
}
}
}
}
private static AISValidationException noOrdinal(Table t) {
return new AISValidationException(
String.format("Table %s has no ordinal", t.getName())
);
}
private static AISValidationException lowerOrdinal(Table parent, Table child) {
return new AISValidationException(
String.format("Table %s has ordinal %d lower than parent %s ordinal %d",
child.getName(), child.getOrdinal(), parent.getName(), parent.getOrdinal())
);
}
}