| /* |
| * 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. |
| */ |
| |
| namespace Apache.Ignite.Core.Messaging |
| { |
| using System; |
| |
| /// <summary> |
| /// Represents messaging filter predicate. |
| /// </summary> |
| public interface IMessageListener<in T> |
| { |
| /// <summary> |
| /// Invokes the message listener when a message arrives. |
| /// </summary> |
| /// <param name="nodeId">Message source node identifier.</param> |
| /// <param name="message">Message.</param> |
| /// <returns> |
| /// Value indicating whether this instance should remain subscribed. |
| /// Returning <c>false</c> will unsubscribe this message listener from further notifications. |
| /// </returns> |
| bool Invoke(Guid nodeId, T message); |
| } |
| } |