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https://issues.apache.org/jira/browse/TINKERPOP-2245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17319565#comment-17319565
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ASF GitHub Bot commented on TINKERPOP-2245:
-------------------------------------------
spmallette commented on a change in pull request #1414:
URL: https://github.com/apache/tinkerpop/pull/1414#discussion_r611790220
##########
File path:
gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/handler/UnifiedHandler.java
##########
@@ -0,0 +1,327 @@
+/*
+ * 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.server.handler;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.handler.timeout.IdleState;
+import io.netty.handler.timeout.IdleStateEvent;
+import io.netty.util.ReferenceCountUtil;
+import org.apache.tinkerpop.gremlin.driver.Tokens;
+import org.apache.tinkerpop.gremlin.driver.message.RequestMessage;
+import org.apache.tinkerpop.gremlin.driver.message.ResponseMessage;
+import org.apache.tinkerpop.gremlin.driver.message.ResponseStatusCode;
+import org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutor;
+import org.apache.tinkerpop.gremlin.process.traversal.Operator;
+import org.apache.tinkerpop.gremlin.process.traversal.Order;
+import org.apache.tinkerpop.gremlin.process.traversal.Pop;
+import org.apache.tinkerpop.gremlin.process.traversal.Scope;
+import org.apache.tinkerpop.gremlin.server.Channelizer;
+import org.apache.tinkerpop.gremlin.server.GraphManager;
+import org.apache.tinkerpop.gremlin.server.Settings;
+import org.apache.tinkerpop.gremlin.server.channel.UnifiedChannelizer;
+import org.apache.tinkerpop.gremlin.structure.Column;
+import org.apache.tinkerpop.gremlin.structure.T;
+import org.apache.tinkerpop.gremlin.util.iterator.IteratorUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.RejectedExecutionException;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Handler for websockets to be used with the {@link UnifiedChannelizer}.
+ */
+@ChannelHandler.Sharable
+public class UnifiedHandler extends
SimpleChannelInboundHandler<RequestMessage> {
+ private static final Logger logger =
LoggerFactory.getLogger(UnifiedHandler.class);
+
+ protected final Settings settings;
+ protected final GraphManager graphManager;
+ protected final GremlinExecutor gremlinExecutor;
+ protected final ScheduledExecutorService scheduledExecutorService;
+ protected final ExecutorService sessionExecutor;
+ protected final Channelizer channelizer;
+
+ protected final ConcurrentMap<String, Session> sessions = new
ConcurrentHashMap<>();
+
+ /**
+ * This may or may not be the full set of invalid binding keys. It is
dependent on the static imports made to
+ * Gremlin Server. This should get rid of the worst offenders though and
provide a good message back to the
+ * calling client.
+ * <p/>
+ * Use of {@code toUpperCase()} on the accessor values of {@link T} solves
an issue where the {@code ScriptEngine}
+ * ignores private scope on {@link T} and imports static fields.
+ */
+ protected static final Set<String> INVALID_BINDINGS_KEYS = new HashSet<>();
+
+ static {
+ INVALID_BINDINGS_KEYS.addAll(Arrays.asList(
Review comment:
I dont think we have something exactly like that, but one of the reasons
I think we had it this way was so that providers could add their own keys if
they extended the class. maybe not the best way to do that do with a mutable
set :/
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> Consolidate the executor for bytecode & string based client
> -----------------------------------------------------------
>
> Key: TINKERPOP-2245
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2245
> Project: TinkerPop
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.4.2
> Reporter: Divij Vaidya
> Assignee: Stephen Mallette
> Priority: Minor
>
> We have two code paths in the server which perform (more or less) the same
> functions. One is the executor for string based queries and other is the
> executor for bytecode. This code can be refactored together so that the logic
> to handle timeout, handle exception during execution, handle exception before
> execution and others can consolidated.
> [https://github.com/apache/tinkerpop/blob/master/gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/engine/GremlinExecutor.java#L246]
> and
> [https://github.com/apache/tinkerpop/blob/master/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java#L333]
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