[incubator-plc4x] 10/12: added missing Objects.requireNonNull assertion

[sr...@apache.org]

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sruehl pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-plc4x.git

commit be5fec1401673181dd812956b6dbbf106d02a237
Author: Sebastian Rühl <sr...@apache.org>
AuthorDate: Thu Jan 11 15:24:16 2018 +0100

    added missing Objects.requireNonNull assertion
---
 .../src/main/java/org/apache/plc4x/java/api/connection/PlcWriter.java   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plc4j/api/src/main/java/org/apache/plc4x/java/api/connection/PlcWriter.java b/plc4j/api/src/main/java/org/apache/plc4x/java/api/connection/PlcWriter.java
index adb81a4..cfc6257 100644
--- a/plc4j/api/src/main/java/org/apache/plc4x/java/api/connection/PlcWriter.java
+++ b/plc4j/api/src/main/java/org/apache/plc4x/java/api/connection/PlcWriter.java
@@ -25,6 +25,7 @@ import org.apache.plc4x.java.api.messages.specific.TypeSafePlcReadResponse;
 import org.apache.plc4x.java.api.messages.specific.TypeSafePlcWriteRequest;
 import org.apache.plc4x.java.api.messages.specific.TypeSafePlcWriteResponse;
 
+import java.util.Objects;
 import java.util.concurrent.CompletableFuture;
 
 /**
@@ -49,6 +50,7 @@ public interface PlcWriter {
      */
     @SuppressWarnings("unchecked")
     default <T> CompletableFuture<TypeSafePlcWriteResponse<T>> write(TypeSafePlcWriteRequest<T> writeRequest) {
+        Objects.requireNonNull(writeRequest);
         return write((PlcWriteRequest) writeRequest).thenApply(TypeSafePlcWriteResponse::new);
     }
 

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