hadoop Function4RaisingIOE 源码
haddop Function4RaisingIOE 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/functional/Function4RaisingIOE.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.util.functional;
import java.io.IOException;
/**
* Function of arity 4 which may raise an IOException.
* @param <I1> type of arg1.
* @param <I2> type of arg2.
* @param <I3> type of arg3.
* @param <I4> type of arg4.
* @param <R> return type.
*/
public interface Function4RaisingIOE<I1, I2, I3, I4, R> {
/**
* Apply the function.
* @param i1 argument 1.
* @param i2 argument 2.
* @param i3 argument 3.
* @param i4 argument 4.
* @return return value.
* @throws IOException any IOE.
*/
R apply(I1 i1, I2 i2, I3 i3, I4 i4) throws IOException;
}
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