/* * 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.router; import com.dangdang.ddframe.rdb.sharding.parser.result.router.SQLBuilder; import lombok.EqualsAndHashCode; import lombok.Getter; import lombok.RequiredArgsConstructor; import lombok.ToString; /** * SQL最小执行单元. * * @author gaohongtao */ @ToString @RequiredArgsConstructor @EqualsAndHashCode(exclude = "sqlBuilder") public class SQLExecutionUnit { @Getter private final String dataSource; private String sql; private final SQLBuilder sqlBuilder; public String getSql() { if (null == sql) { sql = sqlBuilder.toSQL(); } else { sql = sqlBuilder.isChanged() ? sqlBuilder.toSQL() : sql; } return sql; } }