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/**
 * Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 * 
 * Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 * 
 * 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.tinygroup.tinysqldsl;

import org.tinygroup.tinysqldsl.base.*;

import java.util.Arrays;

/**
 * Insert语句 Created by luoguo on 2015/3/11.
 */
public class Insert extends StatementSqlBuilder implements Statement {

    private InsertContext context;
    /**
     * SQL语句的标识，只是用于方便的识别是哪个SQL，没有其它意义，可以不设置
     */
    private String id;

    private Insert() {
        context = new InsertContext();
    }

    public static Insert insertInto(Table table) {
        Insert insert = new Insert();
        insert.getContext().setTable(table);
        insert.getContext().setSchema(table.getSchemaName());
        insert.getContext().setTableName(table.getName());
        return insert;
    }

    public String getId() {
        return id;
    }

    public InsertContext getContext() {
        return context;
    }

    public Insert values(Value... values) {
        context.addValues(values);
        return this;
    }

    public Insert columns(Column... columns) {
        context.setColumns(Arrays.asList(columns));
        context.setUseValues(false);
        return this;
    }

    public Insert selectBody(Select select) {
        context.setItemsList(null);
        context.setSelectBody(select.getPlainSelect());
        return this;
    }

    @Override
    public String toString() {
        return sql();
    }

    @Override
    protected void parserStatementBody() {
        build(context.createInsert());
    }

    public void id(String id) {
        this.id = id;
    }
}