How to use

CopyableValueSerializer

in

org.apache.flink.api.java.typeutils.runtime

private static <X extends CopyableValue<X>> CopyableValueSerializer<X> createCopyableValueSerializer(Class<X> clazz) {
  return new CopyableValueSerializer<X>(clazz);
}

@Override
public boolean equals(Object obj) {
  if (obj instanceof CopyableValueSerializer) {
    @SuppressWarnings("unchecked")
    CopyableValueSerializer<T> copyableValueSerializer = (CopyableValueSerializer<T>) obj;
    return copyableValueSerializer.canEqual(this) &&
      valueClass == copyableValueSerializer.valueClass;
  } else {
    return false;
  }
}

@Override
public T copy(T from) {
  return copy(from, createInstance());
}

@Override
public T deserialize(DataInputView source) throws IOException {
  return deserialize(createInstance(), source);
}

@Override
public int getLength() {
  ensureInstanceInstantiated();
  return instance.getBinaryLength();
}

private void ensureInstanceInstantiated() {
  if (instance == null) {
    instance = createInstance();
  }
}

@Override
public T deserialize(DataInputView source) throws IOException {
  return deserialize(createInstance(), source);
}

@Override
public void copy(DataInputView source, DataOutputView target) throws IOException {
  ensureInstanceInstantiated();
  instance.copy(source, target);
}

private void ensureInstanceInstantiated() {
  if (instance == null) {
    instance = createInstance();
  }
}

@Override
protected TypeSerializer<StringValue> createSerializer() {
  return new CopyableValueSerializer<StringValue>(StringValue.class);
}

@Override
public T copy(T from) {
  return copy(from, createInstance());
}

@Override
public T deserialize(DataInputView source) throws IOException {
  return deserialize(createInstance(), source);
}

@Override
public void copy(DataInputView source, DataOutputView target) throws IOException {
  ensureInstanceInstantiated();
  instance.copy(source, target);
}

@Override
public boolean equals(Object obj) {
  if (obj instanceof CopyableValueSerializer) {
    @SuppressWarnings("unchecked")
    CopyableValueSerializer<T> copyableValueSerializer = (CopyableValueSerializer<T>) obj;
    return copyableValueSerializer.canEqual(this) &&
      valueClass == copyableValueSerializer.valueClass;
  } else {
    return false;
  }
}

private void ensureInstanceInstantiated() {
  if (instance == null) {
    instance = createInstance();
  }
}

ioMan = new IOManagerAsync();
TypeSerializer<StringValue> serializer = new CopyableValueSerializer<StringValue>(StringValue.class);
TypeComparator<StringValue> comparator = new CopyableValueComparator<StringValue>(true, StringValue.class);

@Override
public T copy(T from) {
  return copy(from, createInstance());
}

@Override
public int getLength() {
  ensureInstanceInstantiated();
  return instance.getBinaryLength();
}

@Override
public boolean equals(Object obj) {
  if (obj instanceof CopyableValueSerializer) {
    @SuppressWarnings("unchecked")
    CopyableValueSerializer<T> copyableValueSerializer = (CopyableValueSerializer<T>) obj;
    return copyableValueSerializer.canEqual(this) &&
      valueClass == copyableValueSerializer.valueClass;
  } else {
    return false;
  }
}

private static <X extends CopyableValue<X>> CopyableValueSerializer<X> createCopyableValueSerializer(Class<X> clazz) {
  return new CopyableValueSerializer<X>(clazz);
}