org.mybatis.dynamic.sql.select.join.JoinCriterion Maven / Gradle / Ivy
/**
* Copyright 2016-2019 the original author or authors.
*
* 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.
*/
package org.mybatis.dynamic.sql.select.join;
import java.util.Objects;
import org.mybatis.dynamic.sql.BasicColumn;
public class JoinCriterion {
private String connector;
private BasicColumn leftColumn;
private JoinCondition joinCondition;
private JoinCriterion(Builder builder) {
connector = Objects.requireNonNull(builder.connector);
leftColumn = Objects.requireNonNull(builder.joinColumn);
joinCondition = Objects.requireNonNull(builder.joinCondition);
}
public String connector() {
return connector;
}
public BasicColumn leftColumn() {
return leftColumn;
}
public BasicColumn rightColumn() {
return joinCondition.rightColumn();
}
public String operator() {
return joinCondition.operator();
}
public static class Builder {
private String connector;
private BasicColumn joinColumn;
private JoinCondition joinCondition;
public Builder withConnector(String connector) {
this.connector = connector;
return this;
}
public Builder withJoinColumn(BasicColumn joinColumn) {
this.joinColumn = joinColumn;
return this;
}
public Builder withJoinCondition(JoinCondition joinCondition) {
this.joinCondition = joinCondition;
return this;
}
public JoinCriterion build() {
return new JoinCriterion(this);
}
}
}