remove ShardingThreadFactoryBuilder

/*

 * Copyright 2016-2018 shardingsphere.io.

 * <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 io.shardingsphere.core.executor;

import com.google.common.util.concurrent.ThreadFactoryBuilder;

import lombok.AccessLevel;

import lombok.NoArgsConstructor;

import java.util.concurrent.ThreadFactory;

/**

 * Sharding thread factory builder.

 *

 * @author zhangliang

 */

@NoArgsConstructor(access = AccessLevel.PRIVATE)

public final class ShardingThreadFactoryBuilder {

    private static final String NAME_FORMAT_PREFIX = "Sharding-Sphere-";

    private static final String DEFAULT_EXECUTOR_NAME_FORMAT = NAME_FORMAT_PREFIX + "%d";

    /**

     * Build default sharding thread factory.

     *

     * @return default sharding thread factory

     */

    public static ThreadFactory build() {

        return new ThreadFactoryBuilder().setDaemon(true).setNameFormat(DEFAULT_EXECUTOR_NAME_FORMAT).build();

    }

    /**

     * Build sharding thread factory.

     * 

     * @param nameFormat thread name format

     * @return sharding thread factory

     */

    public static ThreadFactory build(final String nameFormat) {

        return new ThreadFactoryBuilder().setDaemon(true).setNameFormat(NAME_FORMAT_PREFIX + nameFormat).build();

    }

}