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https://github.com/plan-player-analytics/Plan.git
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Improved concurrency access in some places
- FileWatcher should no longer throw ConcurrentModificationException - SessionCache should no longer throw ConcurrentModificationException
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parent
cd33f6bc32
commit
98462c3ac4
@ -22,10 +22,10 @@ import com.google.common.collect.ImmutableMap;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Optional;
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import java.util.UUID;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* This class is used to store active sessions of players in memory.
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@ -35,7 +35,7 @@ import java.util.UUID;
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@Singleton
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public class SessionCache {
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private static final Map<UUID, Session> ACTIVE_SESSIONS = new HashMap<>();
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private static final Map<UUID, Session> ACTIVE_SESSIONS = new ConcurrentHashMap<>();
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@Inject
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public SessionCache() {
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@ -23,8 +23,9 @@ import com.djrapitops.plugin.utilities.Verify;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.*;
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import java.util.HashSet;
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import java.util.Collections;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;
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@ -55,8 +56,7 @@ public class FileWatcher extends Thread {
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) {
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this.errorHandler = errorHandler;
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this.running = false;
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this.watchedFiles = new HashSet<>();
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this.watchedFiles = Collections.newSetFromMap(new ConcurrentHashMap<>());
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Verify.isTrue(watchedPath.toFile().isDirectory(), () -> new IllegalArgumentException("Given File " + watchedPath.toString() + " was not a folder."));
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@ -116,7 +116,7 @@ public class FileWatcher extends Thread {
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}
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private void actOnModification(Path modifiedFile) {
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for (WatchedFile watchedFile : new HashSet<>(watchedFiles)) {
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for (WatchedFile watchedFile : watchedFiles) {
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watchedFile.modified(modifiedFile);
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}
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}
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