Package com.foundationdb.ais.model.validation

Source Code of com.foundationdb.ais.model.validation.SupportedColumnTypes$ColumnTypeVisitor

/**
* 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.AbstractVisitor;
import com.foundationdb.ais.model.AkibanInformationSchema;
import com.foundationdb.ais.model.Column;
import com.foundationdb.ais.model.Index;
import com.foundationdb.ais.model.IndexColumn;
import com.foundationdb.ais.model.TableName;
import com.foundationdb.server.error.GeneratorWrongDatatypeException;
import com.foundationdb.server.error.UnsupportedColumnDataTypeException;
import com.foundationdb.server.error.UnsupportedIndexDataTypeException;
import com.foundationdb.server.types.TInstance;
import com.foundationdb.server.types.common.types.TypeValidator;

class SupportedColumnTypes implements AISValidation {
    @Override
    public void validate(AkibanInformationSchema ais, AISValidationOutput output) {
        ColumnTypeVisitor visitor = new ColumnTypeVisitor(output, ais);
        ais.visit(visitor);
    }

    private static class ColumnTypeVisitor extends AbstractVisitor {
        private final AISValidationOutput failures;
        private final AkibanInformationSchema sourceAIS;

        private ColumnTypeVisitor(AISValidationOutput failures, AkibanInformationSchema sourceAIS) {
            this.failures = failures;
            this.sourceAIS = sourceAIS;
        }

        @Override
        public void visit(Column column) {
            if (!TypeValidator.isSupportedForColumn(column.getType())) {
                failures.reportFailure(new AISValidationFailure (
                        new UnsupportedColumnDataTypeException(column.getTable().getName(),
                                column.getName(), column.getTypeName())));
            }
           
            if (column.getDefaultIdentity() != null && !TypeValidator.isSupportedForGenerator(column.getType())) {
                failures.reportFailure(new AISValidationFailure(
                        new GeneratorWrongDatatypeException (column.getTable().getName(),
                                column.getName(), column.getTypeName())));
            }
        }

        @Override
        public void visit(IndexColumn indexColumn) {
            Index index = indexColumn.getIndex();
            boolean nonPointSpatialIndex =
                index.isSpatial() &&
                index.firstSpatialArgument() == index.lastSpatialArgument();
            TInstance columnType = indexColumn.getColumn().getType();
            if (!(!nonPointSpatialIndex && TypeValidator.isSupportedForIndex(columnType) ||
                  nonPointSpatialIndex && TypeValidator.isSupportedForNonPiontSpatialIndex(columnType))) {
                failures.reportFailure(new AISValidationFailure (
                        new UnsupportedIndexDataTypeException (
                                new TableName (index.getIndexName().getSchemaName(),
                                index.getIndexName().getTableName()),
                                index.getIndexName().getName(),
                                indexColumn.getColumn().getName(),
                                indexColumn.getColumn().getTypeName())));
            }
        }
    }
}
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