/* * Copyright 2016 Netflix, Inc. * * Licensed 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 io.reactivex.netty.protocol.tcp.client; import io.reactivex.netty.client.ConnectionProvider; /** * An interceptor that preserves the type of objects read and written to the connection. * * @param <R> Type of objects read from the connection handled by this interceptor. * @param <W> Type of objects written to the connection handled by this interceptor. */ public interface Interceptor<W, R> { /** * Intercepts and optionally changes the passed {@code ConnectionProvider}. * * @param provider Provider to intercept. * * @return Provider to use after this transformation. */ ConnectionProvider<W, R> intercept(ConnectionProvider<W, R> provider); }