/** * Copyright 2009 Google 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 org.waveprotocol.wave.concurrencycontrol.channel; import org.waveprotocol.wave.concurrencycontrol.common.ChannelException; import org.waveprotocol.wave.concurrencycontrol.common.ResponseCode; import org.waveprotocol.wave.model.version.HashedVersion; /** * Receives the result of submitting a delta. * * @author anorth@google.com (Alex North) */ public interface SubmitCallback { /** * Called when submission succeeds (an acknowledgment). * * @param opsApplied number of operations applied by the server * @param newVersion new server version * @param responseCode status of the request * @param errorMessage any error message in applying the ops. null if no error. * @throws ChannelException if the channel fails when processing the ack */ void onSuccess(int opsApplied, HashedVersion newVersion, ResponseCode responseCode, String errorMessage) throws ChannelException; /** * Called when submission fails due to network or channel failure. * * @param reason indicates reason for failure * @throws ChannelException if the channel fails when processing the failure */ void onFailure(String reason) throws ChannelException; }