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From denine99 <...@git.apache.org>
Subject [GitHub] accumulo pull request: ACCUMULO-3645 Run iterators at major compac...
Date Sat, 28 Mar 2015 20:31:49 GMT
Github user denine99 commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/22#discussion_r27348213
  
    --- Diff: core/src/main/java/org/apache/accumulo/core/iterators/user/HardListIterator.java
---
    @@ -0,0 +1,111 @@
    +/*
    + * 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.user;
    +
    +import org.apache.accumulo.core.data.ByteSequence;
    +import org.apache.accumulo.core.data.Key;
    +import org.apache.accumulo.core.data.PartialKey;
    +import org.apache.accumulo.core.data.Range;
    +import org.apache.accumulo.core.data.Value;
    +import org.apache.accumulo.core.iterators.IteratorEnvironment;
    +import org.apache.accumulo.core.iterators.SortedKeyValueIterator;
    +import org.apache.accumulo.core.util.PeekingIterator;
    +import org.apache.hadoop.io.Text;
    +import org.apache.log4j.Logger;
    +
    +import java.io.IOException;
    +import java.util.Collection;
    +import java.util.Collections;
    +import java.util.Map;
    +import java.util.SortedMap;
    +import java.util.TreeMap;
    +
    +/**
    + * A wrapper making a list of hardcoded data into a SKVI. For testing.
    + */
    +public class HardListIterator implements SortedKeyValueIterator<Key,Value> {
    +  private static final Logger log = Logger.getLogger(HardListIterator.class);
    +  public final static SortedMap<Key,Value> allEntriesToInject;
    +  static {
    +    SortedMap<Key,Value> t = new TreeMap<>();
    +    t.put(new Key(new Text("a1"), new Text("colF3"), new Text("colQ3"), System.currentTimeMillis()),
new Value("1".getBytes()));
    +    t.put(new Key(new Text("c1"), new Text("colF3"), new Text("colQ3"), System.currentTimeMillis()),
new Value("1".getBytes()));
    +    t.put(new Key(new Text("m1"), new Text("colF3"), new Text("colQ3"), System.currentTimeMillis()),
new Value("1".getBytes()));
    +    allEntriesToInject = Collections.unmodifiableSortedMap(t); // for safety
    +  }
    +
    +  private PeekingIterator<Map.Entry<Key,Value>> inner;
    +  private Range seekRng;
    +
    +  @Override
    +  public void init(SortedKeyValueIterator<Key,Value> source, Map<String,String>
options, IteratorEnvironment env) throws IOException {
    --- End diff --
    
    I tried putting HardListIterator in core/src/test/java when I first wrote it, but then
it does not compile (error: cannot find symbol HardListIterator).  I think it needs to be
on the main compile path to run in a live instance of Accumulo, not the testCompile path.


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