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allow to use custom EventDeserializer for TransactionPayloadEvent decompressed events #165

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allow to use custom EventDeserializer for TransactionPayloadEvent decompressed events #165

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14 changes: 13 additions & 1 deletion ...ub/shyiko/mysql/binlog/event/deserialization/TransactionPayloadEventDataDeserializer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Objects;
import java.util.function.Supplier;

/**
* @author <a href="mailto:[email protected]">Somesh Malviya</a>
Expand All @@ -34,6 +36,16 @@ public class TransactionPayloadEventDataDeserializer implements EventDataDeseria
public static final int OTW_PAYLOAD_COMPRESSION_TYPE_FIELD = 2;
public static final int OTW_PAYLOAD_UNCOMPRESSED_SIZE_FIELD = 3;

private final Supplier<EventDeserializer> transactionPayloadEventDeserializerProvider;

public TransactionPayloadEventDataDeserializer() {
this(EventDeserializer::new);
}

public TransactionPayloadEventDataDeserializer(Supplier<EventDeserializer> transactionPayloadEventDeserializerProvider) {
this.transactionPayloadEventDeserializerProvider = Objects.requireNonNull(transactionPayloadEventDeserializerProvider);
}

@Override
public TransactionPayloadEventData deserialize(ByteArrayInputStream inputStream) throws IOException {
TransactionPayloadEventData eventData = new TransactionPayloadEventData();
Expand Down Expand Up @@ -86,7 +98,7 @@ public TransactionPayloadEventData deserialize(ByteArrayInputStream inputStream)

// Read and store events from decompressed byte array into input stream
ArrayList<Event> decompressedEvents = new ArrayList<>();
EventDeserializer transactionPayloadEventDeserializer = new EventDeserializer();
EventDeserializer transactionPayloadEventDeserializer = transactionPayloadEventDeserializerProvider.get();
ByteArrayInputStream destinationInputStream = new ByteArrayInputStream(dst);

Event internalEvent = transactionPayloadEventDeserializer.nextEvent(destinationInputStream);
Expand Down