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From melrief <...@git.apache.org>
Subject [GitHub] accumulo pull request #145: ACCUMULO-4376 add KeyBuilder
Date Fri, 02 Sep 2016 23:18:11 GMT
Github user melrief commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/145#discussion_r77424318
  
    --- Diff: core/src/main/java/org/apache/accumulo/core/data/KeyBuilder.java ---
    @@ -0,0 +1,300 @@
    +/*
    + * 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.data;
    +
    +
    +import org.apache.hadoop.io.Text;
    +
    +/**
    + * A builder used to build {@link Key}s by defining their components.
    + *
    + * The rules are:
    + * <ul>
    + *   <li>All components of the {@link Key} are optional except the row</li>
    + *   <li>Components not explicitly set default to empty byte array except the timestamp
which
    + *   defaults to <code>Long.MAX_VALUE</code></li>
    + *   <li>The column qualifier can only be set if the column family has been set
first</li>
    + *   <li>The column visibility can only be set if at least the column family has
been set first</li>
    + * </ul>
    + *
    + * The builder supports three types of components: <code>byte[]</code>, <code>Text</code>
and <code>CharSequence</code>.
    + *
    + * The builder is mutable and not thread safe.
    + *
    + * @see org.apache.accumulo.core.data.Key
    + * @since 1.8
    --- End diff --
    
    Set to 1.9 but we can change it if needed.


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