Mybatis自动化代码生成优化

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2021-06-30 d577762cafe94d9399d77cb4c6955ab176ff35ef

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/*
 * Copyright 2020. Huawei Technologies Co., Ltd. All rights reserved.
 
   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.huawei.push.messaging;
 
import com.huawei.push.util.IgnoreSSLUtils;
import com.huawei.push.util.ValidatorUtils;
import org.apache.http.impl.client.CloseableHttpClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
 
/** Configurable HCM options. */
public class HuaweiOption {
    private static final Logger logger = LoggerFactory.getLogger(HuaweiOption.class);
 
    private final HuaweiCredential credential;
    private final CloseableHttpClient httpClient;
    private final ThreadManager threadManager;
 
    private HuaweiOption(Builder builder) {
        ValidatorUtils.checkArgument(builder.credential != null, "HuaweiOption must be initialized with setCredential()");
        this.credential = builder.credential;
 
        ValidatorUtils.checkArgument(builder.httpClient != null, "HuaweiOption must be initialized with a non-null httpClient");
        this.httpClient = builder.httpClient;
 
        ValidatorUtils.checkArgument(builder.threadManager != null, "HuaweiOption must be initialized with a non-null threadManager");
        this.threadManager = builder.threadManager;
    }
 
    /**
     * Returns a instance of HuaweiCredential used for refreshing token.
     *
     * @return A <code>HuaweiCredential</code> instance.
     */
    public HuaweiCredential getCredential() {
        return credential;
    }
 
    /**
     * Returns a instance of httpclient used for sending http request.
     *
     * @return A <code>httpclient</code> instance.
     */
    public CloseableHttpClient getHttpClient() {
        return httpClient;
    }
 
    public ThreadManager getThreadManager() {
        return threadManager;
    }
 
    /**
     * Builder for constructing {@link HuaweiOption}.
     */
    public static Builder builder() {
        return new Builder();
    }
 
    public static final class Builder {
        private HuaweiCredential credential;
        private CloseableHttpClient httpClient;
 
        {
            try {
                httpClient = IgnoreSSLUtils.createClient();
            } catch (KeyManagementException | NoSuchAlgorithmException e) {
                logger.debug("Fail to create httpClient for sending message", e);
            }
        }
 
        private ThreadManager threadManager = HuaweiThreadManager.DEFAULT_THREAD_MANAGER;
 
 
        public Builder() {}
 
        public Builder setCredential(HuaweiCredential credential) {
            this.credential = credential;
            return this;
        }
 
        public Builder setHttpClient(CloseableHttpClient httpClient) {
            this.httpClient = httpClient;
            return this;
        }
 
        public Builder setThreadManager(ThreadManager threadManager) {
            this.threadManager = threadManager;
            return this;
        }
 
        public HuaweiOption build() {
            return new HuaweiOption(this);
        }
    }
}