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PC-966 Implement report user cache

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This commit is contained in:
Keir Nellyer 2016-09-12 18:07:01 +01:00
parent a39d894d85
commit ee6e8a9656
1 changed files with 37 additions and 18 deletions
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55
Plugins/Mineplex.Core/src/mineplex/core/report/data/ReportUserRepository.java
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@ -7,12 +7,17 @@ import java.sql.SQLException;
import java.util.Collection; import java.util.Collection;
import java.util.List; import java.util.List;
import java.util.concurrent.CompletableFuture; import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level; import java.util.logging.Level;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import org.bukkit.plugin.java.JavaPlugin; import org.bukkit.plugin.java.JavaPlugin;
import com.google.common.base.Preconditions; import com.google.common.base.Preconditions;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.RemovalListener;
import com.google.common.cache.RemovalNotification;
import mineplex.core.common.util.UtilFuture; import mineplex.core.common.util.UtilFuture;
import mineplex.core.report.ReportCategory; import mineplex.core.report.ReportCategory;
import mineplex.core.report.ReportResultType; import mineplex.core.report.ReportResultType;
@ -38,6 +43,11 @@ public class ReportUserRepository
private final JavaPlugin _plugin; private final JavaPlugin _plugin;
private final Cache<Integer, ReportUser> _cachedUsers = CacheBuilder.newBuilder()
.maximumSize(1000)
.weakValues()
.build();
public ReportUserRepository(JavaPlugin plugin) public ReportUserRepository(JavaPlugin plugin)
{ {
_plugin = plugin; _plugin = plugin;
@ -57,26 +67,35 @@ public class ReportUserRepository
public CompletableFuture<ReportUser> getUser(int accountId) public CompletableFuture<ReportUser> getUser(int accountId)
{ {
return CompletableFuture.supplyAsync(() -> ReportUser cachedUser = _cachedUsers.getIfPresent(accountId);
{
ReportUser user = new ReportUser(accountId);
try (Connection connection = DBPool.getAccount().getConnection()) if (cachedUser != null)
{
loadTeams(connection, user);
loadStatistics(connection, user);
}
catch (SQLException e)
{
throw new RuntimeException(e);
}
return user;
}).exceptionally(throwable ->
{ {
_plugin.getLogger().log(Level.SEVERE, "Error fetching ReportUser (id: " + accountId + ").", throwable); return CompletableFuture.completedFuture(cachedUser);
return null; }
}); else
{
return CompletableFuture.supplyAsync(() ->
{
ReportUser user = new ReportUser(accountId);
try (Connection connection = DBPool.getAccount().getConnection())
{
loadTeams(connection, user);
loadStatistics(connection, user);
_cachedUsers.put(accountId, user);
return user;
}
catch (SQLException e)
{
throw new RuntimeException(e);
}
}).exceptionally(throwable ->
{
_plugin.getLogger().log(Level.SEVERE, "Error fetching ReportUser (id: " + accountId + ").", throwable);
return null;
});
}
} }
private void loadStatistics(Connection connection, ReportUser user) throws SQLException private void loadStatistics(Connection connection, ReportUser user) throws SQLException