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From ivakegg <...@git.apache.org>
Subject [GitHub] accumulo pull request #260: ACCUMULO-4643 initial implementation
Date Mon, 05 Jun 2017 17:26:15 GMT
Github user ivakegg commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/260#discussion_r120161878
  
    --- Diff: core/src/main/java/org/apache/accumulo/core/iterators/YieldCallback.java ---
    @@ -0,0 +1,57 @@
    +/*
    + * 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.accumulo.core.iterators;
    +
    +/**
    + * This callback handles the state of yielding within an iterator
    + */
    +public class YieldCallback<K> {
    --- End diff --
    
    That is a good start, however you would also need to pas the callback down to the source
in the setYieldEnabled call and would need to modify the seek call to un-transform the key
when seeking the source.


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