hadoop package-info 源码
haddop package-info 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/functional/package-info.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.
*/
/**
* Support for functional programming within the Hadoop APIs.
*
* Much of this is needed simply to cope with Java's checked exceptions and
* the fact that the java.util.function can only throw runtime exceptions.
* <p>
* Pretty much all the Hadoop FS APIs raise IOExceptions, hence the need
* for these classes. If Java had made a different decision about the
* nature of exceptions, life would be better.
* </p>
* Do note that the {@link org.apache.hadoop.util.functional.RemoteIterators}
* iterators go beyond that of the java ones, in terms of declaring themselves
* Closeable and implementors of
* {@link org.apache.hadoop.fs.statistics.IOStatisticsSource}; a chain
* of wrapped iterators can supply statistics of the inner iterators, and
* encourage close() to be called after use.
*/
@InterfaceAudience.Public
@InterfaceStability.Unstable
package org.apache.hadoop.util.functional;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
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