spark UnsafeSorterIterator 源码
spark UnsafeSorterIterator 代码
文件路径：/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeSorterIterator.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;
import java.io.IOException;
public abstract class UnsafeSorterIterator {
public abstract boolean hasNext();
public abstract void loadNext() throws IOException;
public abstract Object getBaseObject();
public abstract long getBaseOffset();
public abstract int getRecordLength();
public abstract long getKeyPrefix();
public abstract int getNumRecords();
public abstract long getCurrentPageNumber();
}
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