spark RecordPointerAndKeyPrefix 源码
spark RecordPointerAndKeyPrefix 代码
文件路径：/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/RecordPointerAndKeyPrefix.java
/*
* 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.spark.util.collection.unsafe.sort;
public final class RecordPointerAndKeyPrefix {
/**
* A pointer to a record; see {@link org.apache.spark.memory.TaskMemoryManager} for a
* description of how these addresses are encoded.
*/
public long recordPointer;
/**
* A key prefix, for use in comparisons.
*/
public long keyPrefix;
}
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