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Moved session code into SessionManager.

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This commit is contained in:
sk89q 2014-04-03 19:12:30 -07:00
parent d696bf9b03
commit 8e2fc8b0d4
2 changed files with 240 additions and 102 deletions
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145
src/main/java/com/sk89q/worldedit/WorldEdit.java
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@ -43,6 +43,7 @@ import com.sk89q.worldedit.regions.selector.RegionSelector;
import com.sk89q.worldedit.scripting.CraftScriptContext;
import com.sk89q.worldedit.scripting.CraftScriptEngine;
import com.sk89q.worldedit.scripting.RhinoCraftScriptEngine;
import com.sk89q.worldedit.session.SessionManager;
import com.sk89q.worldedit.session.request.Request;
import com.sk89q.worldedit.util.LogFormat;
import com.sk89q.worldedit.util.eventbus.EventBus;
@ -74,7 +75,7 @@ public class WorldEdit {
private final CommandsManager<LocalPlayer> commands;
private final EventBus eventBus = new EventBus();
private final EditSessionFactory editSessionFactory = new InternalEditSessionFactory(eventBus);
private final HashMap<String, LocalSession> sessions = new HashMap<String, LocalSession>();
private final SessionManager sessions = new SessionManager(this);
private final BlockRegistry blockRegistry = new BlockRegistry(this);
private final MaskRegistry maskRegistry = new MaskRegistry(this);
@ -252,79 +253,52 @@ public class WorldEdit {
}
/**
* Gets the LocalSession for a player name if it exists
* Return the session manager.
*
* @param player
* @return The session for the player, if it exists
* @return the session manager
*/
public SessionManager getSessionManager() {
return sessions;
}
/**
* @deprecated Use {@link #getSessionManager()}
*/
@Deprecated
public LocalSession getSession(String player) {
return sessions.findByName(player);
}
/**
* @deprecated use {@link #getSessionManager()}
*/
@Deprecated
public LocalSession getSession(LocalPlayer player) {
return sessions.get(player);
}
/**
* Gets the WorldEdit session for a player.
*
* @param player
* @return
* @deprecated use {@link #getSessionManager()}
*/
public LocalSession getSession(LocalPlayer player) {
LocalSession session;
synchronized (sessions) {
if (sessions.containsKey(player.getName())) {
session = sessions.get(player.getName());
} else {
session = new LocalSession(config);
session.setBlockChangeLimit(config.defaultChangeLimit);
// Remember the session
sessions.put(player.getName(), session);
}
// Set the limit on the number of blocks that an operation can
// change at once, or don't if the player has an override or there
// is no limit. There is also a default limit
int currentChangeLimit = session.getBlockChangeLimit();
if (!player.hasPermission("worldedit.limit.unrestricted")
&& config.maxChangeLimit > -1) {
// If the default limit is infinite but there is a maximum
// limit, make sure to not have it be overridden
if (config.defaultChangeLimit < 0) {
if (currentChangeLimit < 0 || currentChangeLimit > config.maxChangeLimit) {
session.setBlockChangeLimit(config.maxChangeLimit);
}
} else {
// Bound the change limit
int maxChangeLimit = config.maxChangeLimit;
if (currentChangeLimit == -1 || currentChangeLimit > maxChangeLimit) {
session.setBlockChangeLimit(maxChangeLimit);
}
}
}
// Have the session use inventory if it's enabled and the player
// doesn't have an override
session.setUseInventory(config.useInventory
&& !(config.useInventoryOverride
&& (player.hasPermission("worldedit.inventory.unrestricted")
|| (config.useInventoryCreativeOverride && player.hasCreativeMode()))));
}
return session;
@Deprecated
public void removeSession(LocalPlayer player) {
sessions.remove(player);
}
/**
* Returns true if the player has a session.
*
* @param player
* @return
* @deprecated use {@link #getSessionManager()}
*/
@Deprecated
public void clearSessions() {
sessions.clear();
}
/**
* @deprecated use {@link #getSessionManager()}
*/
@Deprecated
public boolean hasSession(LocalPlayer player) {
// TODO: If this is indeed used in multiple threads, we should use Collections.synchronizedMap here to simplify things and exclude sources of error.
synchronized (sessions) {
return sessions.containsKey(player.getName());
}
return sessions.contains(player);
}
/**
@ -741,26 +715,6 @@ public class WorldEdit {
}
}
/**
* Remove a session.
*
* @param player
*/
public void removeSession(LocalPlayer player) {
synchronized (sessions) {
sessions.remove(player.getName());
}
}
/**
* Remove all sessions.
*/
public void clearSessions() {
synchronized (sessions) {
sessions.clear();
}
}
/**
* Flush a block bag's changes to a player.
*
@ -819,8 +773,9 @@ public class WorldEdit {
}
/**
* Handle a disconnection.
*
* @param player
* @param player the player
*/
@Deprecated
public void handleDisconnect(LocalPlayer player) {
@ -828,42 +783,28 @@ public class WorldEdit {
}
/**
* Mark for expiration of the session.
*
* @param player
* @param player the player
*/
public void markExpire(LocalPlayer player) {
synchronized (sessions) {
LocalSession session = sessions.get(player.getName());
if (session != null) {
session.update();
}
}
sessions.markforExpiration(player);
}
/**
* Forget a player.
*
* @param player
* @param player the player
*/
public void forgetPlayer(LocalPlayer player) {
removeSession(player);
sessions.remove(player);
}
/*
* Flush expired sessions.
*/
public void flushExpiredSessions(SessionCheck checker) {
synchronized (sessions) {
Iterator<Map.Entry<String, LocalSession>> it = sessions.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, LocalSession> entry = it.next();
if (entry.getValue().hasExpired()
&& !checker.isOnlinePlayer(entry.getKey())) {
it.remove();
}
}
}
sessions.removeExpired(checker);
}
/**

197
src/main/java/com/sk89q/worldedit/session/SessionManager.java Normal file
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@ -0,0 +1,197 @@
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* 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.sk89q.worldedit.session;
import com.sk89q.worldedit.*;
import javax.annotation.Nullable;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Session manager for WorldEdit.
* </p>
* Get a reference to one from {@link WorldEdit}.
* </p>
* While this class is thread-safe, the returned session may not be.
*/
public class SessionManager {
private final WorldEdit worldEdit;
private final HashMap<String, LocalSession> sessions = new HashMap<String, LocalSession>();
/**
* Create a new session manager.
*
* @param worldEdit a WorldEdit instance
*/
public SessionManager(WorldEdit worldEdit) {
this.worldEdit = worldEdit;
}
/**
* Get whether a session exists for the given player.
*
* @param player the player
* @return true if a session exists
*/
public synchronized boolean contains(LocalPlayer player) {
checkNotNull(player);
return sessions.containsKey(getKey(player));
}
/**
* Gets the session for a player and return it if it exists, otherwise
* return <code>null</code>.
*
* @param player the player
* @return the session for the player, if it exists
*/
public synchronized @Nullable LocalSession find(LocalPlayer player) {
checkNotNull(player);
return sessions.get(getKey(player));
}
/**
* Gets the session for someone named by the given name and return it if
* it exists, otherwise return <code>null</code>.
*
* @param name the player's name
* @return the session for the player, if it exists
*/
public synchronized @Nullable LocalSession findByName(String name) {
checkNotNull(name);
return sessions.get(name);
}
/**
* Get the session for a player and create one if one doesn't exist.
*
* @param player the player
* @return a session
*/
public synchronized LocalSession get(LocalPlayer player) {
checkNotNull(player);
LocalSession session;
LocalConfiguration config = worldEdit.getConfiguration();
if (sessions.containsKey(player.getName())) {
session = sessions.get(player.getName());
} else {
session = new LocalSession(config);
session.setBlockChangeLimit(config.defaultChangeLimit);
// Remember the session
sessions.put(player.getName(), session);
}
// Set the limit on the number of blocks that an operation can
// change at once, or don't if the player has an override or there
// is no limit. There is also a default limit
int currentChangeLimit = session.getBlockChangeLimit();
if (!player.hasPermission("worldedit.limit.unrestricted")
&& config.maxChangeLimit > -1) {
// If the default limit is infinite but there is a maximum
// limit, make sure to not have it be overridden
if (config.defaultChangeLimit < 0) {
if (currentChangeLimit < 0 || currentChangeLimit > config.maxChangeLimit) {
session.setBlockChangeLimit(config.maxChangeLimit);
}
} else {
// Bound the change limit
int maxChangeLimit = config.maxChangeLimit;
if (currentChangeLimit == -1 || currentChangeLimit > maxChangeLimit) {
session.setBlockChangeLimit(maxChangeLimit);
}
}
}
// Have the session use inventory if it's enabled and the player
// doesn't have an override
session.setUseInventory(config.useInventory
&& !(config.useInventoryOverride
&& (player.hasPermission("worldedit.inventory.unrestricted")
|| (config.useInventoryCreativeOverride && player.hasCreativeMode()))));
return session;
}
/**
* Get the key to use in the map for a player.
*
* @param player the player
* @return the key object
*/
protected String getKey(LocalPlayer player) {
return player.getName();
}
/**
* Mark for expiration.
*
* @param player the player
*/
public synchronized void markforExpiration(LocalPlayer player) {
checkNotNull(player);
LocalSession session = find(player);
if (session != null) {
session.update();
}
}
/**
* Remove the session for the given player if one exists.
*
* @param player the player
*/
public synchronized void remove(LocalPlayer player) {
checkNotNull(player);
sessions.remove(player.getName());
}
/**
* Remove all sessions.
*/
public synchronized void clear() {
sessions.clear();
}
/**
* Remove expired sessions with the given session checker.
*
* @param checker the session checker
*/
public synchronized void removeExpired(SessionCheck checker) {
Iterator<Map.Entry<String, LocalSession>> it = sessions.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, LocalSession> entry = it.next();
if (entry.getValue().hasExpired() && !checker.isOnlinePlayer(entry.getKey())) {
it.remove();
}
}
}
}