Pit Friedrich
24 lines
656 B
Java
24 lines
656 B
Java
package com.example.leakdemo;
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import java.util.List;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.function.Consumer;
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/** Classic Vaadin broadcaster. Fine by itself, leaks when listeners are never removed. */
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public final class Broadcaster {
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private static final List<Consumer<String>> LISTENERS = new CopyOnWriteArrayList<>();
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private Broadcaster() {
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}
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public static Runnable register(Consumer<String> listener) {
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LISTENERS.add(listener);
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return () -> LISTENERS.remove(listener);
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}
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public static void broadcast(String message) {
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LISTENERS.forEach(l -> l.accept(message));
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}
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}
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