Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/5995#discussion_r188329273
--- Diff:
flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AvroDeserializationSchema.java
---
@@ -0,0 +1,215 @@
+/*
+ * 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.
+ */
+
+/*
+ * 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.flink.formats.avro;
+
+import org.apache.flink.api.common.serialization.DeserializationSchema;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.formats.avro.typeutils.AvroTypeInfo;
+import org.apache.flink.formats.avro.typeutils.GenericRecordAvroTypeInfo;
+import org.apache.flink.formats.avro.utils.MutableByteArrayInputStream;
+import org.apache.flink.util.Preconditions;
+
+import org.apache.avro.Schema;
+import org.apache.avro.generic.GenericDatumReader;
+import org.apache.avro.generic.GenericRecord;
+import org.apache.avro.io.Decoder;
+import org.apache.avro.io.DecoderFactory;
+import org.apache.avro.reflect.ReflectData;
+import org.apache.avro.reflect.ReflectDatumReader;
+import org.apache.avro.specific.SpecificData;
+import org.apache.avro.specific.SpecificDatumReader;
+import org.apache.avro.specific.SpecificRecord;
+
+import javax.annotation.Nullable;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
+
+/**
+ * Deserialization schema that deserializes from Avro binary format.
+ *
+ * @param <T> type of record it produces
+ */
+public class AvroDeserializationSchema<T> implements
DeserializationSchema<T> {
+
+ /**
--- End diff --
Minor comment: Many newer classes pick up a style where the JavaDocs of
fields are in one line, to make the fields section a bit more compact:
```
/** Class to deserialize to. */
private Class<T> recordClazz;
```
---
