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	修复一处线程安全问题
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		@@ -18,10 +18,11 @@ import java.util.HashMap;
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import java.util.Iterator;
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import java.util.NoSuchElementException;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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public class ShopManager {
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    private final HashMap<String, Info> actions = new HashMap<>();
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    private final Map<String, Info> actions = new ConcurrentHashMap<String, Info>();
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    private final QuickShop plugin;
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    private final HashMap<String, HashMap<ShopChunk, HashMap<Location, Shop>>> shops = new HashMap<>();
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@@ -126,7 +127,7 @@ public class ShopManager {
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     * @return Returns the HashMap<Player name, shopInfo>. Info contains what
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     *         their last question etc was.
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     */
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    public HashMap<String, Info> getActions() {
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    public Map<String, Info> getActions() {
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        return this.actions;
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    }
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@@ -205,7 +206,7 @@ public class ShopManager {
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    public void handleChat(final Player p, final String msgs) {
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        final String message = ChatColor.stripColor(msgs);
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        final HashMap<String, Info> actions = getActions();
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        final Map<String, Info> actions = getActions();
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        // They wanted to do something.
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        final Info info = actions.remove(p.getName());
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        if (info == null) { return; // multithreaded means this can happen
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