/**
* 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.server.types.texpressions;
public enum Comparison
{
EQ("==", false, true, false),
GE(">=", false, true, true),
GT(">", false, false, true),
LE("<=", true, true, false),
LT("<", true, false, false),
NE("!=", true, false, true)
;
public boolean matchesCompareTo(int compareTo) {
if (compareTo < 0)
return includesLT;
else if (compareTo > 0)
return includesGT;
return includesEQ;
}
public String toString()
{
return symbol;
}
private Comparison(String symbol, boolean lt, boolean eq, boolean gt)
{
this.symbol = symbol;
this.includesLT = lt;
this.includesEQ = eq;
this.includesGT = gt;
}
private final String symbol;
private final boolean includesLT;
private final boolean includesEQ;
private final boolean includesGT;
}