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From nickwallen <...@git.apache.org>
Subject [GitHub] metron pull request #884: METRON-1382 Run Stellar in a Zeppelin Notebook
Date Wed, 03 Jan 2018 18:56:25 GMT
Github user nickwallen commented on a diff in the pull request:

    https://github.com/apache/metron/pull/884#discussion_r159499176
  
    --- Diff: metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/shell/specials/SpecialCommand.java
---
    @@ -0,0 +1,60 @@
    +/*
    + *
    + *  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.metron.stellar.common.shell.specials;
    +
    +import org.apache.metron.stellar.common.shell.StellarShellExecutor;
    +import org.apache.metron.stellar.common.shell.StellarResult;
    +
    +import java.util.function.Function;
    +
    +/**
    + * A special command that can be run within a Stellar execution
    + * environment.
    + *
    + * Most functionality expected of running Stellar in a shell-like
    + * environment, that is not directly implemented in the Stellar
    + * language itself, is implemented as a SpecialCommand. This
    + * includes magics, doc strings, comments and quit.
    + *
    + * This is typically an action performed on the execution
    + * environment, not something that could be executed within Stellar.
    + */
    +public interface SpecialCommand {
    --- End diff --
    
    The interface that I used for any logic that we had implemented in the REPL that is not
part of the Stellar language.


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