hadoop FunctionsRaisingIOE 源码
haddop FunctionsRaisingIOE 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/impl/FunctionsRaisingIOE.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.hadoop.fs.impl;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* Support for functional programming/lambda-expressions.
* @deprecated use {@code org.apache.hadoop.util.functional}
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public final class FunctionsRaisingIOE {
private FunctionsRaisingIOE() {
}
/**
* Function of arity 1 which may raise an IOException.
* @param <T> type of arg1
* @param <R> type of return value.
* @deprecated use {@link org.apache.hadoop.util.functional.FunctionRaisingIOE}
*/
@FunctionalInterface
public interface FunctionRaisingIOE<T, R> {
R apply(T t) throws IOException;
}
/**
* Function of arity 2 which may raise an IOException.
* @param <T> type of arg1
* @param <U> type of arg2
* @param <R> type of return value.
* @deprecated use {@link org.apache.hadoop.util.functional.BiFunctionRaisingIOE}
*/
@FunctionalInterface
public interface BiFunctionRaisingIOE<T, U, R> {
R apply(T t, U u) throws IOException;
}
/**
* This is a callable which only raises an IOException.
* @param <R> return type
* @deprecated use {@link org.apache.hadoop.util.functional.CallableRaisingIOE}
*/
@FunctionalInterface
public interface CallableRaisingIOE<R> {
R apply() throws IOException;
}
}
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