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Create the SQLite UUID service and cache

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This commit is contained in:
Alexander Söderberg 2020-05-17 23:41:59 +02:00
parent b5f92f5003
commit 67bf90e92f
1 changed files with 124 additions and 0 deletions
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Bukkit/src/main/java/com/plotsquared/bukkit/uuid/SQLiteUUIDService.java Normal file
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/*
* _____ _ _ _____ _
* | __ \| | | | / ____| | |
* | |__) | | ___ | |_| (___ __ _ _ _ __ _ _ __ ___ __| |
* | ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
* | | | | (_) | |_ ____) | (_| | |_| | (_| | | | __/ (_| |
* |_| |_|\___/ \__|_____/ \__, |\__,_|\__,_|_| \___|\__,_|
* | |
* |_|
* PlotSquared plot management system for Minecraft
* Copyright (C) 2020 IntellectualSites
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.plotsquared.bukkit.uuid;
import com.plotsquared.core.PlotSquared;
import com.plotsquared.core.database.SQLite;
import com.plotsquared.core.util.MainUtil;
import com.plotsquared.core.uuid.UUIDMapping;
import com.plotsquared.core.uuid.UUIDService;
import org.jetbrains.annotations.NotNull;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.function.Consumer;
/**
* UUID service that uses the (legacy) SQL UUID cache
*/
public class SQLiteUUIDService implements UUIDService, Consumer<List<UUIDMapping>> {
private final SQLite sqlite;
public SQLiteUUIDService() {
this.sqlite =
new SQLite(MainUtil.getFile(PlotSquared.get().IMP.getDirectory(), "usercache.db"));
try {
this.sqlite.openConnection();
} catch (ClassNotFoundException | SQLException e) {
e.printStackTrace();
}
try (PreparedStatement stmt = getConnection().prepareStatement(
"CREATE TABLE IF NOT EXISTS `usercache` (uuid VARCHAR(32) NOT NULL, username VARCHAR(32) NOT NULL, PRIMARY KEY (uuid, username))")) {
stmt.execute();
} catch (SQLException e) {
e.printStackTrace();
}
}
private Connection getConnection() {
synchronized (this.sqlite) {
return this.sqlite.getConnection();
}
}
@Override public @NotNull List<UUIDMapping> getNames(@NotNull final List<UUID> uuids) {
final List<UUIDMapping> mappings = new ArrayList<>(uuids.size());
try (final PreparedStatement statement = getConnection()
.prepareStatement("SELECT `username` FROM `usercache` WHERE `uuid` = ?")) {
for (final UUID uuid : uuids) {
statement.setString(1, uuid.toString());
try (final ResultSet resultSet = statement.executeQuery()) {
if (resultSet.next()) {
mappings.add(new UUIDMapping(uuid, resultSet.getString("username")));
}
}
}
} catch (final Exception e) {
e.printStackTrace();
}
return mappings;
}
@Override public @NotNull List<UUIDMapping> getUUIDs(@NotNull List<String> usernames) {
final List<UUIDMapping> mappings = new ArrayList<>(usernames.size());
try (final PreparedStatement statement = getConnection()
.prepareStatement("SELECT `uuid` FROM `usercache` WHERE `username` = ?")) {
for (final String username : usernames) {
statement.setString(1, username);
try (final ResultSet resultSet = statement.executeQuery()) {
if (resultSet.next()) {
mappings.add(new UUIDMapping(UUID.fromString(resultSet.getString("uuid")),
username));
}
}
}
} catch (final Exception e) {
e.printStackTrace();
}
return mappings;
}
@Override public void accept(final List<UUIDMapping> uuidWrappers) {
try (final PreparedStatement statement = getConnection()
.prepareStatement("INSERT OR REPLACE INTO `usercache` (`uuid`, `username`) VALUES(?, ?)")) {
for (final UUIDMapping mapping : uuidWrappers) {
statement.setString(1, mapping.getUuid().toString());
statement.setString(2, mapping.getUsername());
statement.executeUpdate();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}