/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package org.opencloudb.config.model.rule;
import org.opencloudb.route.function.AbstractPartionAlgorithm;
/**
* 分片规则，column是用于分片的数据库物理字段
* @author mycat
*/
public class RuleConfig {
private final String column;
private final String functionName;
private AbstractPartionAlgorithm ruleAlgorithm;
public RuleConfig(String column, String functionName) {
if (functionName == null) {
throw new IllegalArgumentException("functionName is null");
}
this.functionName = functionName;
if (column == null || column.length() <= 0) {
throw new IllegalArgumentException("no rule column is found");
}
this.column = column;
}
public AbstractPartionAlgorithm getRuleAlgorithm() {
return ruleAlgorithm;
}
public void setRuleAlgorithm(AbstractPartionAlgorithm ruleAlgorithm) {
this.ruleAlgorithm = ruleAlgorithm;
}
/**
* @return unmodifiable, upper-case
*/
public String getColumn() {
return column;
}
public String getFunctionName() {
return functionName;
}
}