Fix NPE: Return CompletableFuture, not null.

Christophe Dirac · Christophe Dirac · commit ea6be83010fb · 2016-06-16T20:31:28.000+02:00
diff --git a/src/main/java/com/beowulfe/hap/impl/characteristics/windowcovering/HoldPositionCharacteristic.java b/src/main/java/com/beowulfe/hap/impl/characteristics/windowcovering/HoldPositionCharacteristic.java
@@ -22,7 +22,7 @@ protected void setValue(Boolean value) throws Exception {
 	@Override
 	protected CompletableFuture<Boolean> getValue() {
 		//Write only
-		return null;
+		return CompletableFuture.completedFuture(null);
 	}
 
 }

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ protected void setValue(Boolean value) throws Exception {`
`22`	`22`	`@Override`
`23`	`23`	`protected CompletableFuture<Boolean> getValue() {`
`24`	`24`	`//Write only`
`25`		`- return null;`
	`25`	`+ return CompletableFuture.completedFuture(null);`
`26`	`26`	`}`
`27`	`27`
`28`	`28`	`}`