author | mgronlun |
Tue, 17 Sep 2019 11:32:50 +0200 | |
branch | JEP-349-branch |
changeset 58180 | 0a8943b4d0dd |
parent 58145 | bc54ed8d908a |
child 58197 | 0ef79bd7fb5c |
permissions | -rw-r--r-- |
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Cleaner stream reconfiguration + reduced allocation in JFR framework
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package jdk.jfr.internal.consumer; |
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import java.time.Instant; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.function.Consumer; |
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import jdk.jfr.consumer.RecordedEvent; |
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import jdk.jfr.internal.Utils; |
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import jdk.jfr.internal.consumer.Dispatcher.EventDispatcher; |
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final class StreamConfiguration { |
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final List<Runnable> closeActions = new ArrayList<>(); |
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final List<Runnable> flushActions = new ArrayList<>(); |
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final List<EventDispatcher> eventActions = new ArrayList<>(); |
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final List<Consumer<Throwable>> errorActions = new ArrayList<>(); |
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boolean reuse = true; |
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boolean ordered = true; |
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Instant startTime = null; |
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Instant endTime = null; |
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boolean started = false; |
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long startNanos = 0; |
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long endNanos = Long.MAX_VALUE; |
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volatile boolean changed = true; |
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public synchronized boolean remove(Object action) { |
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boolean removed = false; |
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removed |= flushActions.removeIf(e -> e == action); |
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removed |= closeActions.removeIf(e -> e == action); |
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removed |= errorActions.removeIf(e -> e == action); |
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removed |= eventActions.removeIf(e -> e.action == action); |
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if (removed) { |
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changed = true; |
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} |
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return removed; |
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} |
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public synchronized void addEventAction(String name, Consumer<RecordedEvent> consumer) { |
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eventActions.add(new EventDispatcher(name, consumer)); |
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changed = true; |
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} |
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public void addEventAction(Consumer<RecordedEvent> action) { |
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addEventAction(null, action); |
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} |
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public synchronized void addFlushAction(Runnable action) { |
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flushActions.add(action); |
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changed = true; |
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} |
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public synchronized void addCloseAction(Runnable action) { |
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closeActions.add(action); |
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changed = true; |
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} |
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public synchronized void addErrorAction(Consumer<Throwable> action) { |
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errorActions.add(action); |
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changed = true; |
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} |
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public synchronized void setReuse(boolean reuse) { |
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this.reuse = reuse; |
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changed = true; |
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} |
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public synchronized void setOrdered(boolean ordered) { |
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this.ordered = ordered; |
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changed = true; |
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} |
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public synchronized void setEndTime(Instant endTime) { |
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this.endTime = endTime; |
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this.endNanos = Utils.timeToNanos(endTime); |
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changed = true; |
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} |
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public synchronized void setStartTime(Instant startTime) { |
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this.startTime = startTime; |
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this.startNanos = Utils.timeToNanos(startTime); |
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changed = true; |
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} |
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public synchronized void setStartNanos(long startNanos) { |
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this.startNanos = startNanos; |
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changed = true; |
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} |
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public synchronized void setStarted(boolean started) { |
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this.started = started; |
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changed = true; |
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} |
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public boolean hasChanged() { |
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return changed; |
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} |
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public synchronized void clearChanged() { |
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changed = false; |
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} |
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} |