wonook commented on a change in pull request #203: [NEMO-360] Implementing an
'XGBoostPolicy'
URL: https://github.com/apache/incubator-nemo/pull/203#discussion_r267297170
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File path: common/src/main/java/org/apache/nemo/common/dag/DAG.java
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@@ -97,6 +97,14 @@ public V getVertexById(final String id) {
throw new IllegalVertexOperationException("There is no vertex of id: " +
id);
}
+ @Override
+ public E getEdgeById(final String id) {
Review comment:
the incomingEdge variable simply works as a bookkeeper for all edges with
the information about which vertex that it's an incoming edge of. So, it's not
really about incoming edges in that case. What do you think?
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