/*
 * 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.commons.vfs2.function;

import java.util.Objects;

import org.apache.commons.vfs2.FileSystemException;

A Consumer that throws FileSystemException. 
Type parameters:
<T> – the type of the input to the operation
Since:
2.5.0/**
 * A {@link java.util.function.Consumer} that throws {@link FileSystemException}.
 *
 * @param <T> the type of the input to the operation
 *
 * @since 2.5.0
 */
@FunctionalInterface
public interface VfsConsumer<T> {

    
Performs this operation on the given argument.
Params:
t – the input argument
Throws:
FileSystemException – Thrown when VFS detects an error./**
     * Performs this operation on the given argument.
     *
     * @param t the input argument
     * @throws FileSystemException Thrown when VFS detects an error.
     */
    void accept(T t) throws FileSystemException;

    
Returns a composed Consumer that performs, in sequence, this operation followed by the after operation. If performing either operation throws an exception, it is relayed to the caller of the composed operation. If performing this operation throws an exception, the after operation will not be performed. 
Params:
after – the operation to perform after this operation
Throws:
NullPointerException – if after is null
Returns:
a composed Consumer that performs in sequence this operation followed by the after operation/**
     * Returns a composed {@code Consumer} that performs, in sequence, this operation followed by the {@code after}
     * operation. If performing either operation throws an exception, it is relayed to the caller of the composed
     * operation. If performing this operation throws an exception, the {@code after} operation will not be performed.
     *
     * @param after the operation to perform after this operation
     * @return a composed {@code Consumer} that performs in sequence this operation followed by the {@code after}
     *         operation
     * @throws NullPointerException if {@code after} is null
     */
    default VfsConsumer<T> andThen(final VfsConsumer<? super T> after) {
        Objects.requireNonNull(after);
        return (final T t) -> {
            accept(t);
            after.accept(t);
        };
    }
}