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Java Client: add VStream method to the VTGateConnection #5040

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Merged
sougou merged 1 commit into from
Aug 4, 2019
Merged

Java Client: add VStream method to the VTGateConnection #5040

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22 changes: 22 additions & 0 deletions java/client/src/main/java/io/vitess/client/VTGateConnection.java
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@
import io.vitess.proto.Vtgate.SplitQueryRequest;
import io.vitess.proto.Vtgate.SplitQueryResponse;
import io.vitess.proto.Vtgate.StreamExecuteRequest;
import io.vitess.proto.Vtgate.VStreamRequest;
import io.vitess.proto.Vtgate.VStreamResponse;

import java.io.Closeable;
import java.io.IOException;
Expand Down Expand Up @@ -252,6 +254,26 @@ public ListenableFuture<List<SplitQueryResponse.Part>> apply(
}, directExecutor()));
}

/**
* Starts streaming the vstream binlog events.
*
* @param ctx Context on user and execution deadline if any.
* @param vstreamRequest VStreamRequest containing starting VGtid positions
* in binlog and optional Filters
* @return Streaming iterator over VStream events
* @throws SQLException If anything fails on query execution.
*/
StreamIterator<VStreamResponse> getVStream(Context ctx, VStreamRequest vstreamRequest)
throws SQLException {
VStreamRequest request = vstreamRequest;

if (ctx.getCallerId() != null) {
request = request.toBuilder().setCallerId(ctx.getCallerId()).build();
}

return client.getVStream(ctx, request);
}

/**
* @inheritDoc
*/
Expand Down