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ServerStatusAfterSplit.java
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ServerStatusAfterSplit.java
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package net.jcip.examples;
import java.util.*;
import net.jcip.annotations.*;
/**
* ServerStatusAfterSplit
* <p/>
* ServerStatus refactored to use split locks
*
* @author Brian Goetz and Tim Peierls
*/
@ThreadSafe
public class ServerStatusAfterSplit {
@GuardedBy("users") public final Set<String> users;
@GuardedBy("queries") public final Set<String> queries;
public ServerStatusAfterSplit() {
users = new HashSet<String>();
queries = new HashSet<String>();
}
public void addUser(String u) {
synchronized (users) {
users.add(u);
}
}
public void addQuery(String q) {
synchronized (queries) {
queries.add(q);
}
}
public void removeUser(String u) {
synchronized (users) {
users.remove(u);
}
}
public void removeQuery(String q) {
synchronized (users) {
queries.remove(q);
}
}
}