41 lines
1.8 KiB
Java
41 lines
1.8 KiB
Java
/*
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* Copyright 2020 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer.api;
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import java.nio.ByteBuffer;
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/**
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* A processor of {@linkplain ReadableComponent readable components}.
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*/
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@FunctionalInterface
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public interface ReadableComponentProcessor<E extends Exception> {
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/**
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* Process the given component at the given index in the
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* {@link Buffer#forEachReadable(int, ReadableComponentProcessor) iteration}.
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* <p>
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* The component object itself is only valid during this call, but the {@link ByteBuffer byte buffers}, arrays, and
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* native address pointers obtained from it, will be valid until any {@link Buffer#isOwned() ownership} requiring
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* operation is performed on the buffer.
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*
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* @param index The current index of the given buffer component, based on the initial index passed to the
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* {@link Buffer#forEachReadable(int, ReadableComponentProcessor)} method.
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* @param component The current buffer component being processed.
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* @return {@code true} if the iteration should continue and more components should be processed, otherwise
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* {@code false} to stop the iteration early.
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*/
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boolean process(int index, ReadableComponent component) throws E;
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}
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