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QuestDB is High Performance Time Series Database

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 * Copyright (C) 2014-2016 Appsicle
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 * as published by the Free Software Foundation.
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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package com.questdb.ql.model;

import com.questdb.std.IntList;
import com.questdb.std.ObjList;
import com.questdb.std.ObjectFactory;

public final class AnalyticColumn extends QueryColumn {
    public final static ObjectFactory FACTORY = new ObjectFactory() {
        @Override
        public AnalyticColumn newInstance() {
            return new AnalyticColumn();
        }
    };
    private final ObjList partitionBy = new ObjList<>(2);
    private final ObjList orderBy = new ObjList<>(2);
    private final IntList orderByDirection = new IntList(2);

    private AnalyticColumn() {
    }

    public void addOrderBy(ExprNode node, int direction) {
        orderBy.add(node);
        orderByDirection.add(direction);
    }

    @Override
    public void clear() {
        super.clear();
        partitionBy.clear();
        orderBy.clear();
    }

    @Override
    public AnalyticColumn of(String alias, int aliasPosition, ExprNode ast) {
        return (AnalyticColumn) super.of(alias, aliasPosition, ast);
    }

    public ObjList getOrderBy() {
        return orderBy;
    }

    public IntList getOrderByDirection() {
        return orderByDirection;
    }

    public ObjList getPartitionBy() {
        return partitionBy;
    }
}