/*
* Copyright 1999-2015 dangdang.com.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.parser.result.router;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.ToString;
import java.util.ArrayList;
import java.util.List;
/**
* 条件对象.
*
* @author gaohongtao
*/
@RequiredArgsConstructor
@Getter
@ToString
@EqualsAndHashCode
public final class Condition {
private final Column column;
private final BinaryOperator operator;
private final List<Comparable<?>> values = new ArrayList<>();
private final List<Integer> valueIndices = new ArrayList<>();
/**
* 列对象.
*
* @author gaohongtao
* @author zhangliang
*/
@RequiredArgsConstructor
@Getter
@EqualsAndHashCode
@ToString
public static final class Column {
private final String columnName;
private final String tableName;
}
/**
* 操作符枚举.
*
* @author gaohongtao
* @author zhangliang
*/
@RequiredArgsConstructor
public enum BinaryOperator {
EQUAL("="), BETWEEN("BETWEEN"), IN("IN");
@Getter
private final String expression;
@Override
public String toString() {
return expression;
}
}
}