/*
* ToroDB
* Copyright © 2014 8Kdata Technology (www.8kdata.com)
*
* 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.torodb.core.transaction.metainf;
import java.util.Iterator;
import javax.annotation.Nullable;
/**
*/
public interface MetaDocPartIndex {
public abstract boolean isUnique();
public abstract int size();
public abstract Iterator<? extends MetaDocPartIndexColumn> iteratorColumns();
@Nullable
public abstract MetaDocPartIndexColumn getMetaDocPartIndexColumnByPosition(int position);
@Nullable
public abstract MetaDocPartIndexColumn getMetaDocPartIndexColumnByIdentifier(String columnName);
public abstract boolean hasSameColumns(MetaDocPartIndex docPartIndex);
public default String defautToString() {
return "docPartIndex{" + "unique:" + isUnique() + '}';
}
}