[Java] Truncate IR file it it already exists when generating. Issue #682.

mjpt777 · mjpt777 · commit 93804afc7dbb · 2019-05-26T10:22:56.000+01:00
diff --git a/sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/IrEncoder.java b/sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/IrEncoder.java
@@ -59,6 +59,7 @@ public IrEncoder(final String fileName, final Ir ir)
         try
         {
             channel = FileChannel.open(Paths.get(fileName), READ, WRITE, CREATE);
+            channel.truncate(0);
             resultBuffer = null;
             buffer = ByteBuffer.allocateDirect(CAPACITY);
             directBuffer = new UnsafeBuffer(buffer);

Original file line number	Diff line number	Diff line change
`@@ -59,6 +59,7 @@ public IrEncoder(final String fileName, final Ir ir)`
`59`	`59`	`try`
`60`	`60`	`{`
`61`	`61`	`channel = FileChannel.open(Paths.get(fileName), READ, WRITE, CREATE);`
	`62`	`+ channel.truncate(0);`
`62`	`63`	`resultBuffer = null;`
`63`	`64`	`buffer = ByteBuffer.allocateDirect(CAPACITY);`
`64`	`65`	`directBuffer = new UnsafeBuffer(buffer);`