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/*
 * Copyright 2011, Mysema Ltd
 * 
 * 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.mysema.query.sql.mysql;

import java.sql.Connection;

import javax.inject.Provider;

import com.mysema.query.QueryFlag.Position;
import com.mysema.query.sql.AbstractSQLQueryFactory;
import com.mysema.query.sql.Configuration;
import com.mysema.query.sql.MySQLTemplates;
import com.mysema.query.sql.RelationalPath;
import com.mysema.query.sql.SQLSubQuery;
import com.mysema.query.sql.SQLTemplates;
import com.mysema.query.sql.dml.SQLInsertClause;
import com.mysema.query.types.Expression;
import com.mysema.query.types.TemplateExpressionImpl;

/**
 * MySQL specific implementation of SQLQueryFactory
 *
 * @author tiwe
 *
 */
public class MySQLQueryFactory extends AbstractSQLQueryFactory {

    public MySQLQueryFactory(Configuration configuration, Provider connection) {
        super(configuration, connection);
    }

    public MySQLQueryFactory(Provider connection) {
        this(new Configuration(new MySQLTemplates()), connection);
    }

    public MySQLQueryFactory(SQLTemplates templates, Provider connection) {
        this(new Configuration(templates), connection);
    }

    public SQLInsertClause insertIgnore(RelationalPath entity) {
        SQLInsertClause insert = insert(entity);
        insert.addFlag(Position.START_OVERRIDE, "insert ignore into ");
        return insert;
    }

    public SQLInsertClause insertOnDuplicateKeyUpdate(RelationalPath entity, String clause) {
        SQLInsertClause insert = insert(entity);
        insert.addFlag(Position.END, " on duplicate key update " + clause);
        return insert;
    }
    
    public SQLInsertClause insertOnDuplicateKeyUpdate(RelationalPath entity, Expression clause) {
        SQLInsertClause insert = insert(entity);
        insert.addFlag(Position.END, TemplateExpressionImpl.create(String.class, " on duplicate key update {0}", clause));
        return insert;
    }
    
    public MySQLQuery query() {
        return new MySQLQuery(connection.get(), configuration);
    }

    public MySQLReplaceClause replace(RelationalPath entity) {
        return new MySQLReplaceClause(connection.get(), configuration, entity);
    }

}




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