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/*
 * Copyright 1999-2018 Alibaba Group Holding 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.alibaba.nacos.client.config.utils;

import com.alibaba.nacos.client.utils.LogUtils;
import org.slf4j.Logger;

/**
 * Get jvm config
 *
 * @author Nacos
 */
@SuppressWarnings("PMD.ClassNamingShouldBeCamelRule")
public class JVMUtil {

    /**
     * whether is multi instance
     *
     * @return whether multi
     */
    public static Boolean isMultiInstance() {
        return isMultiInstance;
    }

    private static Boolean isMultiInstance = false;
    private static final String TRUE = "true";
    private static final Logger LOGGER = LogUtils.logger(JVMUtil.class);

    static {
        String multiDeploy = System.getProperty("isMultiInstance", "false");
        if (TRUE.equals(multiDeploy)) {
            isMultiInstance = true;
        }
        LOGGER.info("isMultiInstance:{}", isMultiInstance);
    }
}