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Mybatis generic mapper plugin for solving most basic operations, simplifying sql syntax and improving dynamic execution efficiency

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/**
 * Copyright (C) 2017 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 com.viiyue.plugins.mybatis.condition;

import com.greenpineyu.fel.FelEngine;
import com.viiyue.plugins.mybatis.template.TemplateEngine;

/**
 * Conditional wrapper object for example
 * 
This class will be parsed by fel-engine template syntax
 * 
 * 
 * // $ is the calling parameter of mybatis
 * // example is an instance of Condition.wrap(Example)
 * {{$.example.columns}} -> id, name, ...
 * {{$.example.updates}} -> id = #{id}, name = #{name}, ...
 * {{$.example.where}} -> where id = #{id} and name = #{name} and logically_delete = selectValue
 * {{$.example.where(true)}} -> where id = #{id} and name = #{name} and logically_delete = deletedValue
 * {{$.example.where(false)}} -> where id = #{id} and name = #{name}
 * 
 * 
 * @author tangxbai
 * @since 1.1.0
 * @see FelEngine
 * @see TemplateEngine
 */
public final class Condition {

	public final Example example;

	private Condition( Example example ) {
		this.example = example;
	}

	public static Condition wrap( Example example ) {
		return new Condition( example.build() );
	}

	public String columns() {
		return example.getQueryPart();
	}

	public String updates() {
		return example.getModifyPart();
	}

	public String where() {
		return example.getWherePart();
	}
	
	public String where( boolean isLogicallyDelete ) {
		return example.getWherePart( isLogicallyDelete, true );
	}

}