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• 0.4.0
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• RandomDataSourceStrategy.java

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com.github.jun1st.datasource.strategy.RandomDataSourceStrategy Maven / Gradle / Ivy

package com.github.jun1st.datasource.strategy;


import com.github.jun1st.datasource.strategy.MasterSlaveDataSourceStrategy;

import java.util.concurrent.ThreadLocalRandom;

/**
 * Randomly pick a slave as datasource
 * @author fengde
 */
public class RandomDataSourceStrategy implements MasterSlaveDataSourceStrategy {

    @Override
    public String determineSlaveDataSource(String[] slaveDataSourceLookupKeys) {
        int i = ThreadLocalRandom.current().nextInt(slaveDataSourceLookupKeys.length);

        return slaveDataSourceLookupKeys[i];
    }
}