[GitHub] [tinkerpop] spmallette commented on a change in pull request #1419: TINKERPOP-2547 Add a way to supply a callback on requests with java driver

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spmallette commented on a change in pull request #1419:
URL: https://github.com/apache/tinkerpop/pull/1419#discussion_r617552165



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File path: gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/RequestInterceptor.java
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@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tinkerpop.gremlin.driver;
+
+import org.apache.tinkerpop.gremlin.driver.handler.RequestInterceptorHandler;
+
+import java.util.function.UnaryOperator;
+
+/**
+ * This function is called when the {@link RequestInterceptorHandler} encounters an object passing through it.
+ * Implementers will need to detect the type of object to determine if they will interact with it or not. Typically,
+ * objects will be a {@code FullHttpRequest} in the case of a websocket handshake or some form of

Review comment:
       I was trying to generalize this functionality rather than pin it particularly to `FullHttpRequest` and the initial handshake. We could say that's not useful and that only the first HTTP request matters I guess. This feature was largely your idea so I'll modify it to work the way you'd envisioned.




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