/* * Copyright 2013-2016 the original author or authors. * * 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 org.springframework.integration.file.remote; import java.io.IOException; import org.springframework.integration.file.remote.session.Session; /** * Callback invoked by {@code RemoteFileOperations.execute()} - allows multiple operations * on a session. * * @author Gary Russell * @since 3.0 * */ @FunctionalInterface public interface SessionCallback<F, T> { /** * Called within the context of a session. * Perform some operation(s) on the session. The caller will take * care of closing the session after this method exits. * * @param session The session. * @return The result of type T. * @throws IOException Any IOException. */ T doInSession(Session<F> session) throws IOException; }