public override void Process(K key, V value)
{
if (key == null || value == null)
{
log.LogWarning($"Skipping record due to null key or value. key=[{key}] value=[{value}] topic=[{Context.Topic}] partition=[{Context.Partition}] offset=[{Context.Offset}]");
droppedRecordsSensor.Record();
return;
}
long inputRecordTimestamp = Context.Timestamp;
long timeFrom = Math.Max(0L, inputRecordTimestamp - beforeMs);
long timeTo = Math.Max(0L, inputRecordTimestamp + afterMs);
bool needOuterJoin = outer;
using (var enumerator = window.Fetch(key, timeFrom, timeTo))
{
while (enumerator.MoveNext())
{
needOuterJoin = false;
var otherRecord = enumerator.Current;
Forward(key,
joiner.Apply(value, otherRecord.Value.Value),
Math.Max(inputRecordTimestamp, otherRecord.Value.Key));
}
}
if (needOuterJoin)
{
Forward(key, joiner.Apply(value, default));
}
}
public ValueAndTimestamp <VR> Get(K key)
{
ValueAndTimestamp <V1> valueAndTimestamp1 = iKTableValueGetter1.Get(key);
if (valueAndTimestamp1 != null)
{
ValueAndTimestamp <V2> valueAndTimestamp2 = iKTableValueGetter2.Get(key);
long resultTimestamp;
if (valueAndTimestamp2 != null)
{
resultTimestamp = Math.Max(valueAndTimestamp1.Timestamp, valueAndTimestamp2.Timestamp);
}
else
{
resultTimestamp = valueAndTimestamp1.Timestamp;
}
return(ValueAndTimestamp <VR> .Make(
joiner.Apply(valueAndTimestamp1.Value, valueAndTimestamp2 != null ? valueAndTimestamp2.Value : default),
resultTimestamp));
}
else
{
return(null);
}
}
public override void Process(K1 key, V1 value)
{
// If the key or value is null we don't need to proceed
if (key == null || value == null)
{
log.Warn($"Skipping record due to null key or value. key=[{key}] value=[{value}] topic=[{Context.Topic}] partition=[{Context.Partition}] offset=[{Context.Offset}]");
return;
}
else
{
K2 mappedKey = mapper.Apply(key, value);
V2 value2 = mappedKey == null ? null : ValueAndTimestamp.GetValueOrNull(valueGetter.Get(mappedKey));
if (leftJoin || value2 != null)
{
Forward(key, joiner.Apply(value, value2));
}
}
}
public ValueAndTimestamp <VR> Get(K key)
{
ValueAndTimestamp <V1> valueAndTimestamp1 = iKTableValueGetter1.Get(key);
ValueAndTimestamp <V2> valueAndTimestamp2 = iKTableValueGetter2.Get(key);
VR newValue = default;
V1 value1 = valueAndTimestamp1 == null ? default : valueAndTimestamp1.Value;
long ts1 = valueAndTimestamp1 == null ? -1 : valueAndTimestamp1.Timestamp;
V2 value2 = valueAndTimestamp2 == null ? default : valueAndTimestamp2.Value;
long ts2 = valueAndTimestamp2 == null ? -1 : valueAndTimestamp2.Timestamp;
if (value1 != null || value2 != null)
{
newValue = joiner.Apply(value1, value2);
}
return(ValueAndTimestamp <VR> .Make(newValue, Math.Max(ts1, ts2)));
}
public ValueAndTimestamp <VR> Get(K key)
{
ValueAndTimestamp <V1> valueAndTimestamp1 = iKTableValueGetter1.Get(key);
if (valueAndTimestamp1 != null)
{
ValueAndTimestamp <V2> valueAndTimestamp2 = iKTableValueGetter2.Get(key);
if (valueAndTimestamp2 != null)
{
return(ValueAndTimestamp <VR> .Make(
joiner.Apply(valueAndTimestamp1.Value, valueAndTimestamp2.Value),
Math.Max(valueAndTimestamp1.Timestamp, valueAndTimestamp2.Timestamp)));
}
else
{
return(null);
}
}
else
{
return(null);
}
}
public static IValueJoiner <V2, V1, VR> Reverse <V1, V2, VR>(this IValueJoiner <V1, V2, VR> joiner)
{
return(new WrappedValueJoiner <V2, V1, VR>((v2, v1) => joiner.Apply(v1, v2)));
}
