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Code Issues Projects Releases Wiki Activity

Refactor SQL storage to not hold onto connections for as long

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Luck 2016-10-21 22:07:14 +01:00
parent be7d914e39
commit 270a276b98
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4 changed files with 243 additions and 105 deletions
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21
common/src/main/java/me/lucko/luckperms/common/storage/backing/H2Backing.java
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@ -22,7 +22,6 @@
package me.lucko.luckperms.common.storage.backing;
import lombok.Cleanup;
import me.lucko.luckperms.common.LuckPermsPlugin;
import java.io.File;
@ -58,19 +57,24 @@ public class H2Backing extends SQLBacking {
@Override
boolean runQuery(String query, QueryPS queryPS) {
boolean success = false;
PreparedStatement preparedStatement = null;
try {
Connection connection = getConnection();
if (connection == null || connection.isClosed()) {
throw new IllegalStateException("SQL connection is null");
}
@Cleanup PreparedStatement preparedStatement = connection.prepareStatement(query);
preparedStatement = connection.prepareStatement(query);
queryPS.onRun(preparedStatement);
preparedStatement.execute();
preparedStatement.execute();
success = true;
} catch (SQLException e) {
e.printStackTrace();
} finally {
close(preparedStatement);
}
return success;
}
@ -78,19 +82,26 @@ public class H2Backing extends SQLBacking {
@Override
boolean runQuery(String query, QueryPS queryPS, QueryRS queryRS) {
boolean success = false;
PreparedStatement preparedStatement = null;
ResultSet resultSet = null;
try {
Connection connection = getConnection();
if (connection == null || connection.isClosed()) {
throw new IllegalStateException("SQL connection is null");
}
@Cleanup PreparedStatement preparedStatement = connection.prepareStatement(query);
preparedStatement = connection.prepareStatement(query);
queryPS.onRun(preparedStatement);
@Cleanup ResultSet resultSet = preparedStatement.executeQuery();
resultSet = preparedStatement.executeQuery();
success = queryRS.onResult(resultSet);
} catch (SQLException e) {
e.printStackTrace();
} finally {
close(resultSet);
close(preparedStatement);
}
return success;
}

29
common/src/main/java/me/lucko/luckperms/common/storage/backing/MySQLBacking.java
View File

@ -24,7 +24,6 @@ package me.lucko.luckperms.common.storage.backing;
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;
import lombok.Cleanup;
import me.lucko.luckperms.common.LuckPermsPlugin;
import me.lucko.luckperms.common.storage.DatastoreConfiguration;
@ -90,19 +89,26 @@ public class MySQLBacking extends SQLBacking {
@Override
boolean runQuery(String query, QueryPS queryPS) {
boolean success = false;
Connection connection = null;
PreparedStatement preparedStatement = null;
try {
@Cleanup Connection connection = getConnection();
connection = getConnection();
if (connection == null || connection.isClosed()) {
throw new IllegalStateException("SQL connection is null");
}
@Cleanup PreparedStatement preparedStatement = connection.prepareStatement(query);
preparedStatement = connection.prepareStatement(query);
queryPS.onRun(preparedStatement);
preparedStatement.execute();
preparedStatement.execute();
success = true;
} catch (SQLException e) {
e.printStackTrace();
} finally {
close(preparedStatement);
close(connection);
}
return success;
}
@ -110,19 +116,28 @@ public class MySQLBacking extends SQLBacking {
@Override
boolean runQuery(String query, QueryPS queryPS, QueryRS queryRS) {
boolean success = false;
Connection connection = null;
PreparedStatement preparedStatement = null;
ResultSet resultSet = null;
try {
@Cleanup Connection connection = getConnection();
connection = getConnection();
if (connection == null || connection.isClosed()) {
throw new IllegalStateException("SQL connection is null");
}
@Cleanup PreparedStatement preparedStatement = connection.prepareStatement(query);
preparedStatement = connection.prepareStatement(query);
queryPS.onRun(preparedStatement);
@Cleanup ResultSet resultSet = preparedStatement.executeQuery();
resultSet = preparedStatement.executeQuery();
success = queryRS.onResult(resultSet);
} catch (SQLException e) {
e.printStackTrace();
} finally {
close(resultSet);
close(preparedStatement);
close(connection);
}
return success;
}

277
common/src/main/java/me/lucko/luckperms/common/storage/backing/SQLBacking.java
View File

@ -85,6 +85,14 @@ abstract class SQLBacking extends AbstractBacking {
abstract Connection getConnection() throws SQLException;
protected static void close(AutoCloseable closeable) {
if (closeable != null) {
try {
closeable.close();
} catch (Exception ignored) {}
}
}
abstract boolean runQuery(String query, QueryPS queryPS);
abstract boolean runQuery(String query, QueryPS queryPS, QueryRS queryRS);
@ -145,43 +153,66 @@ abstract class SQLBacking extends AbstractBacking {
User user = plugin.getUserManager().getOrMake(UserIdentifier.of(uuid, username));
user.getIoLock().lock();
try {
return runQuery(USER_SELECT,
// screw "effectively final"
final String[] perms = new String[1];
final String[] pg = new String[1];
final String[] name = new String[1];
final boolean[] exists = {false};
boolean s = runQuery(USER_SELECT,
preparedStatement -> preparedStatement.setString(1, user.getUuid().toString()),
resultSet -> {
if (resultSet.next()) {
// User exists, let's load.
Map<String, Boolean> nodes = gson.fromJson(resultSet.getString("perms"), NM_TYPE);
user.setNodes(nodes);
user.setPrimaryGroup(resultSet.getString("primary_group"));
boolean save = plugin.getUserManager().giveDefaultIfNeeded(user, false);
if (user.getName() == null || user.getName().equalsIgnoreCase("null")) {
user.setName(resultSet.getString("name"));
} else {
if (!resultSet.getString("name").equals(user.getName())) {
save = true;
}
}
if (save) {
runQuery(USER_UPDATE, preparedStatement -> {
preparedStatement.setString(1, user.getName());
preparedStatement.setString(2, user.getPrimaryGroup());
preparedStatement.setString(3, gson.toJson(exportToLegacy(user.getNodes())));
preparedStatement.setString(4, user.getUuid().toString());
});
}
} else {
if (plugin.getUserManager().shouldSave(user)) {
user.clearNodes();
user.setPrimaryGroup(null);
plugin.getUserManager().giveDefaultIfNeeded(user, false);
}
// User exists.
exists[0] = true;
perms[0] = resultSet.getString("perms");
pg[0] = resultSet.getString("primary_group");
name[0] = resultSet.getString("name");
}
return true;
}
);
if (!s) {
return false;
}
if (exists[0]) {
// User exists, let's load.
Map<String, Boolean> nodes = gson.fromJson(perms[0], NM_TYPE);
user.setNodes(nodes);
user.setPrimaryGroup(pg[0]);
boolean save = plugin.getUserManager().giveDefaultIfNeeded(user, false);
if (user.getName() == null || user.getName().equalsIgnoreCase("null")) {
user.setName(name[0]);
} else {
if (!name[0].equals(user.getName())) {
save = true;
}
}
if (save) {
String json = gson.toJson(exportToLegacy(user.getNodes()));
runQuery(USER_UPDATE, preparedStatement -> {
preparedStatement.setString(1, user.getName());
preparedStatement.setString(2, user.getPrimaryGroup());
preparedStatement.setString(3, json);
preparedStatement.setString(4, user.getUuid().toString());
});
}
} else {
if (plugin.getUserManager().shouldSave(user)) {
user.clearNodes();
user.setPrimaryGroup(null);
plugin.getUserManager().giveDefaultIfNeeded(user, false);
}
}
return true;
} finally {
user.getIoLock().unlock();
user.getRefreshBuffer().requestDirectly();
@ -203,29 +234,42 @@ abstract class SQLBacking extends AbstractBacking {
user.getIoLock().lock();
try {
return runQuery(USER_SELECT,
final boolean[] exists = {false};
boolean success = runQuery(USER_SELECT,
preparedStatement -> preparedStatement.setString(1, user.getUuid().toString()),
resultSet -> {
if (!resultSet.next()) {
// Doesn't already exist, let's insert.
return runQuery(USER_INSERT, preparedStatement -> {
preparedStatement.setString(1, user.getUuid().toString());
preparedStatement.setString(2, user.getName());
preparedStatement.setString(3, user.getPrimaryGroup());
preparedStatement.setString(4, gson.toJson(exportToLegacy(user.getNodes())));
});
} else {
// User exists, let's update.
return runQuery(USER_UPDATE, preparedStatement -> {
preparedStatement.setString(1, user.getName());
preparedStatement.setString(2, user.getPrimaryGroup());
preparedStatement.setString(3, gson.toJson(exportToLegacy(user.getNodes())));
preparedStatement.setString(4, user.getUuid().toString());
});
if (resultSet.next()) {
exists[0] = true;
}
return true;
}
);
if (!success) {
return false;
}
final String s = gson.toJson(exportToLegacy(user.getNodes()));
if (exists[0]) {
// User exists, let's update.
return runQuery(USER_UPDATE, preparedStatement -> {
preparedStatement.setString(1, user.getName());
preparedStatement.setString(2, user.getPrimaryGroup());
preparedStatement.setString(3, s);
preparedStatement.setString(4, user.getUuid().toString());
});
} else {
// Doesn't already exist, let's insert.
return runQuery(USER_INSERT, preparedStatement -> {
preparedStatement.setString(1, user.getUuid().toString());
preparedStatement.setString(2, user.getName());
preparedStatement.setString(3, user.getPrimaryGroup());
preparedStatement.setString(4, s);
});
}
} finally {
user.getIoLock().unlock();
}
@ -258,22 +302,37 @@ abstract class SQLBacking extends AbstractBacking {
Group group = plugin.getGroupManager().getOrMake(name);
group.getIoLock().lock();
try {
return runQuery(GROUP_SELECT,
final boolean[] exists = {false};
final String[] perms = new String[1];
boolean s = runQuery(GROUP_SELECT,
preparedStatement -> preparedStatement.setString(1, group.getName()),
resultSet -> {
if (resultSet.next()) {
// Group exists, let's load.
Map<String, Boolean> nodes = gson.fromJson(resultSet.getString("perms"), NM_TYPE);
group.setNodes(nodes);
return true;
} else {
return runQuery(GROUP_INSERT, preparedStatement -> {
preparedStatement.setString(1, group.getName());
preparedStatement.setString(2, gson.toJson(exportToLegacy(group.getNodes())));
});
exists[0] = true;
perms[0] = resultSet.getString("perms");
}
return true;
}
);
if (!s) {
return false;
}
if (exists[0]) {
// Group exists, let's load.
Map<String, Boolean> nodes = gson.fromJson(perms[0], NM_TYPE);
group.setNodes(nodes);
return true;
} else {
String json = gson.toJson(exportToLegacy(group.getNodes()));
return runQuery(GROUP_INSERT, preparedStatement -> {
preparedStatement.setString(1, group.getName());
preparedStatement.setString(2, json);
});
}
} finally {
group.getIoLock().unlock();
}
@ -284,22 +343,30 @@ abstract class SQLBacking extends AbstractBacking {
Group group = plugin.getGroupManager().getOrMake(name);
group.getIoLock().lock();
try {
return runQuery(GROUP_SELECT,
final String[] perms = new String[1];
boolean s = runQuery(GROUP_SELECT,
preparedStatement -> preparedStatement.setString(1, name),
resultSet -> {
if (resultSet.next()) {
// Group exists, let's load.
Map<String, Boolean> nodes = gson.fromJson(resultSet.getString("perms"), NM_TYPE);
group.setNodes(nodes);
perms[0] = resultSet.getString("perms");
return true;
}
return false;
}
);
if (!s) {
return false;
}
// Group exists, let's load.
Map<String, Boolean> nodes = gson.fromJson(perms[0], NM_TYPE);
group.setNodes(nodes);
return true;
} finally {
group.getIoLock().unlock();
}
}
@Override
@ -336,8 +403,9 @@ abstract class SQLBacking extends AbstractBacking {
public boolean saveGroup(Group group) {
group.getIoLock().lock();
try {
String json = gson.toJson(exportToLegacy(group.getNodes()));
return runQuery(GROUP_UPDATE, preparedStatement -> {
preparedStatement.setString(1, gson.toJson(exportToLegacy(group.getNodes())));
preparedStatement.setString(1, json);
preparedStatement.setString(2, group.getName());
});
} finally {
@ -366,21 +434,36 @@ abstract class SQLBacking extends AbstractBacking {
Track track = plugin.getTrackManager().getOrMake(name);
track.getIoLock().lock();
try {
return runQuery(TRACK_SELECT,
final boolean[] exists = {false};
final String[] groups = new String[1];
boolean s = runQuery(TRACK_SELECT,
preparedStatement -> preparedStatement.setString(1, track.getName()),
resultSet -> {
if (resultSet.next()) {
// Track exists, let's load.
track.setGroups(gson.fromJson(resultSet.getString("groups"), T_TYPE));
return true;
} else {
return runQuery(TRACK_INSERT, preparedStatement -> {
preparedStatement.setString(1, track.getName());
preparedStatement.setString(2, gson.toJson(track.getGroups()));
});
exists[0] = true;
groups[0] = resultSet.getString("groups");
}
return true;
}
);
if (!s) {
return false;
}
if (exists[0]) {
// Track exists, let's load.
track.setGroups(gson.fromJson(groups[0], T_TYPE));
return true;
} else {
String json = gson.toJson(track.getGroups());
return runQuery(TRACK_INSERT, preparedStatement -> {
preparedStatement.setString(1, track.getName());
preparedStatement.setString(2, json);
});
}
} finally {
track.getIoLock().unlock();
}
@ -391,16 +474,25 @@ abstract class SQLBacking extends AbstractBacking {
Track track = plugin.getTrackManager().getOrMake(name);
track.getIoLock().lock();
try {
return runQuery(TRACK_SELECT,
final String[] groups = {null};
boolean s = runQuery(TRACK_SELECT,
preparedStatement -> preparedStatement.setString(1, name),
resultSet -> {
if (resultSet.next()) {
track.setGroups(gson.fromJson(resultSet.getString("groups"), T_TYPE));
groups[0] = resultSet.getString("groups");
return true;
}
return false;
}
);
if (!s) {
return false;
}
track.setGroups(gson.fromJson(groups[0], T_TYPE));
return true;
} finally {
track.getIoLock().unlock();
}
@ -440,8 +532,9 @@ abstract class SQLBacking extends AbstractBacking {
public boolean saveTrack(Track track) {
track.getIoLock().lock();
try {
String s = gson.toJson(track.getGroups());
return runQuery(TRACK_UPDATE, preparedStatement -> {
preparedStatement.setString(1, gson.toJson(track.getGroups()));
preparedStatement.setString(1, s);
preparedStatement.setString(2, track.getName());
});
} finally {
@ -468,24 +561,32 @@ abstract class SQLBacking extends AbstractBacking {
@Override
public boolean saveUUIDData(String username, UUID uuid) {
final String u = username.toLowerCase();
return runQuery(UUIDCACHE_SELECT,
final boolean[] update = {false};
boolean s = runQuery(UUIDCACHE_SELECT,
preparedStatement -> preparedStatement.setString(1, u),
resultSet -> {
boolean success;
if (resultSet.next()) {
success = runQuery(UUIDCACHE_UPDATE, preparedStatement -> {
preparedStatement.setString(1, uuid.toString());
preparedStatement.setString(2, u);
});
} else {
success = runQuery(UUIDCACHE_INSERT, preparedStatement -> {
preparedStatement.setString(1, u);
preparedStatement.setString(2, uuid.toString());
});
update[0] = true;
}
return success;
return true;
}
);
if (!s) {
return false;
}
if (update[0]) {
return runQuery(UUIDCACHE_UPDATE, preparedStatement -> {
preparedStatement.setString(1, uuid.toString());
preparedStatement.setString(2, u);
});
} else {
return runQuery(UUIDCACHE_INSERT, preparedStatement -> {
preparedStatement.setString(1, u);
preparedStatement.setString(2, uuid.toString());
});
}
}
@Override

21
common/src/main/java/me/lucko/luckperms/common/storage/backing/SQLiteBacking.java
View File

@ -22,7 +22,6 @@
package me.lucko.luckperms.common.storage.backing;
import lombok.Cleanup;
import me.lucko.luckperms.common.LuckPermsPlugin;
import java.io.File;
@ -58,19 +57,24 @@ public class SQLiteBacking extends SQLBacking {
@Override
boolean runQuery(String query, QueryPS queryPS) {
boolean success = false;
PreparedStatement preparedStatement = null;
try {
Connection connection = getConnection();
if (connection == null || connection.isClosed()) {
throw new IllegalStateException("SQL connection is null");
}
@Cleanup PreparedStatement preparedStatement = connection.prepareStatement(query);
preparedStatement = connection.prepareStatement(query);
queryPS.onRun(preparedStatement);
preparedStatement.execute();
preparedStatement.execute();
success = true;
} catch (SQLException e) {
e.printStackTrace();
} finally {
close(preparedStatement);
}
return success;
}
@ -78,19 +82,26 @@ public class SQLiteBacking extends SQLBacking {
@Override
boolean runQuery(String query, QueryPS queryPS, QueryRS queryRS) {
boolean success = false;
PreparedStatement preparedStatement = null;
ResultSet resultSet = null;
try {
Connection connection = getConnection();
if (connection == null || connection.isClosed()) {
throw new IllegalStateException("SQL connection is null");
}
@Cleanup PreparedStatement preparedStatement = connection.prepareStatement(query);
preparedStatement = connection.prepareStatement(query);
queryPS.onRun(preparedStatement);
@Cleanup ResultSet resultSet = preparedStatement.executeQuery();
resultSet = preparedStatement.executeQuery();
success = queryRS.onResult(resultSet);
} catch (SQLException e) {
e.printStackTrace();
} finally {
close(resultSet);
close(preparedStatement);
}
return success;
}