FileHandle: fix double-checked locking

ctrueden · gab1one · commit 299c1921b390 · 2017-07-07T16:24:45.000+02:00
diff --git a/src/main/java/org/scijava/io/FileHandle.java b/src/main/java/org/scijava/io/FileHandle.java
@@ -284,6 +284,7 @@ private RandomAccessFile raf() throws IOException {
 	}
 
 	private synchronized void initRAF() throws IOException {
+		if (raf != null) return;
 		raf = new RandomAccessFile(get().getFile(), getMode());
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -284,6 +284,7 @@ private RandomAccessFile raf() throws IOException {`
`284`	`284`	`}`
`285`	`285`
`286`	`286`	`private synchronized void initRAF() throws IOException {`
	`287`	`+ if (raf != null) return;`
`287`	`288`	`raf = new RandomAccessFile(get().getFile(), getMode());`
`288`	`289`	`}`
`289`	`290`