37 lines
1.1 KiB
Java
37 lines
1.1 KiB
Java
import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class LeastConnections {
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private Map<String, Integer> serverConnections;
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public LeastConnections(List<String> servers) {
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serverConnections = new HashMap<>();
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for (String server : servers) {
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serverConnections.put(server, 0);
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}
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}
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public String getNextServer() {
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return serverConnections.entrySet().stream()
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.min(Map.Entry.comparingByValue())
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.map(Map.Entry::getKey)
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.orElse(null);
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}
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public void releaseConnection(String server) {
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serverConnections.computeIfPresent(server, (k, v) -> v > 0 ? v - 1 : 0);
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}
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public static void main(String[] args) {
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List<String> servers = List.of("Server1", "Server2", "Server3");
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LeastConnections leastConnectionsLB = new LeastConnections(servers);
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for (int i = 0; i < 6; i++) {
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String server = leastConnectionsLB.getNextServer();
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System.out.println(server);
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leastConnectionsLB.releaseConnection(server);
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}
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}
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}
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