[GitHub] [camel-quarkus] JiriOndrusek commented on a change in pull request #1902: LevelDB native support #1839

[GitBox <gi...@apache.org>]

JiriOndrusek commented on a change in pull request #1902:
URL: https://github.com/apache/camel-quarkus/pull/1902#discussion_r503747129



##########
File path: extensions/leveldb/runtime/src/main/java/org/apache/camel/quarkus/component/leveldb/ObjectCodecSubstitute.java
##########
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.quarkus.component.leveldb;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.oracle.svm.core.annotate.Inject;
+import com.oracle.svm.core.annotate.Substitute;
+import com.oracle.svm.core.annotate.TargetClass;
+import org.apache.camel.support.DefaultExchangeHolder;
+import org.fusesource.hawtbuf.codec.ObjectCodec;
+
+/**
+ * This os workaround for serialization of DefaultExchangeHolder.
+ * Once serialization is implemented in graalVM (see https://github.com/oracle/graal/issues/460), this substitution
+ * could
+ * be removed.
+ */
+@TargetClass(value = ObjectCodec.class)
+final class ObjectCodecSubstitute {
+
+    @Inject
+    private ObjectMapper objectMapper;

Review comment:
       To be honest, there should not be @inject annotation. As you can see below, I'm initializing property if is null. I'll fix it to better annotation (I really don't know why Inject is there - I remeber trying some annotations, but I don't remember inject amongs them) 




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