@Override
public void initialize() {
// Nothing to do. This class isn't currently designed to be used at the DAG API level.
UserPayload userPayload = getContext().getUserPayload();
if (userPayload == null
|| userPayload.getPayload() == null
|| userPayload.getPayload().limit() == 0) {
throw new RuntimeException(
"Could not initialize CustomShuffleEdgeManager" + " from provided user payload");
}
CustomShuffleEdgeManagerConfig config;
try {
config = CustomShuffleEdgeManagerConfig.fromUserPayload(userPayload);
} catch (InvalidProtocolBufferException e) {
throw new RuntimeException(
"Could not initialize CustomShuffleEdgeManager" + " from provided user payload", e);
}
this.numSourceTaskOutputs = config.numSourceTaskOutputs;
this.numDestinationTasks = config.numDestinationTasks;
this.basePartitionRange = config.basePartitionRange;
this.remainderRangeForLastShuffler = config.remainderRangeForLastShuffler;
this.numSourceTasks = getContext().getSourceVertexNumTasks();
Preconditions.checkState(
this.numDestinationTasks == getContext().getDestinationVertexNumTasks());
}
public static CustomShuffleEdgeManagerConfig fromUserPayload(UserPayload payload)
throws InvalidProtocolBufferException {
ShuffleEdgeManagerConfigPayloadProto proto =
ShuffleEdgeManagerConfigPayloadProto.parseFrom(ByteString.copyFrom(payload.getPayload()));
return new CustomShuffleEdgeManagerConfig(
proto.getNumSourceTaskOutputs(),
proto.getNumDestinationTasks(),
proto.getBasePartitionRange(),
proto.getRemainderRangeForLastShuffler());
}
@Test(timeout = 5000)
public void testGetBytePayload() throws IOException {
int numBuckets = 10;
VertexManagerPluginContext context = mock(VertexManagerPluginContext.class);
CustomVertexConfiguration vertexConf =
new CustomVertexConfiguration(numBuckets, TezWork.VertexType.INITIALIZED_EDGES);
DataOutputBuffer dob = new DataOutputBuffer();
vertexConf.write(dob);
UserPayload payload = UserPayload.create(ByteBuffer.wrap(dob.getData()));
when(context.getUserPayload()).thenReturn(payload);
CustomPartitionVertex vm = new CustomPartitionVertex(context);
vm.initialize();
// prepare empty routing table
Multimap<Integer, Integer> routingTable = HashMultimap.<Integer, Integer>create();
payload = vm.getBytePayload(routingTable);
// get conf from user payload
CustomEdgeConfiguration edgeConf = new CustomEdgeConfiguration();
DataInputByteBuffer dibb = new DataInputByteBuffer();
dibb.reset(payload.getPayload());
edgeConf.readFields(dibb);
assertEquals(numBuckets, edgeConf.getNumBuckets());
}