HSEARCH-4069 Add method nanoTime to TimingSource

hibernate · Nov 5, 2020 · 33201bd · 33201bd
1 parent 095b4df
commit 33201bd
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diff --git a/engine/src/main/java/org/hibernate/search/engine/common/timing/impl/DefaultTimingSource.java b/engine/src/main/java/org/hibernate/search/engine/common/timing/impl/DefaultTimingSource.java
@@ -62,6 +62,11 @@ public void ensureInitialized() {
 		}
 	}
 
+	@Override
+	public long nanoTime() {
+		return System.nanoTime();
+	}
+
 	@Override
 	public synchronized void stop() {
 		if ( future != null ) {

diff --git a/engine/src/main/java/org/hibernate/search/engine/common/timing/spi/TimingSource.java b/engine/src/main/java/org/hibernate/search/engine/common/timing/spi/TimingSource.java
@@ -33,4 +33,12 @@ public interface TimingSource {
 	 */
 	void ensureInitialized();
 
+	/**
+	 * Returns current system time in nanoseconds.
+	 * Accuracy is preferred over performance by the implementation.
+	 *
+	 * @return high precision current time in nanoseconds.
+	 */
+	long nanoTime();
+
 }