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/*******************************************************************************
 *    ___                  _   ____  ____
 *   / _ \ _   _  ___  ___| |_|  _ \| __ )
 *  | | | | | | |/ _ \/ __| __| | | |  _ \
 *  | |_| | |_| |  __/\__ \ |_| |_| | |_) |
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 *
 * Copyright (C) 2014-2019 Appsicle
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 .
 *
 ******************************************************************************/

package com.questdb.cairo;

public class FullFwdDataFrameCursor extends AbstractFullDataFrameCursor {

    @Override
    public boolean hasNext() {
        while (this.partitionIndex < partitionHi) {
            final long hi = getTableReader().openPartition(partitionIndex);
            if (hi < 1) {
                // this partition is missing, skip
                partitionIndex++;
            } else {
                frame.partitionIndex = partitionIndex;
                frame.rowHi = hi;
                partitionIndex++;
                return true;

            }
        }
        return false;
    }

    @Override
    public void toTop() {
        this.partitionIndex = 0;
    }
}