| /* |
| * 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.Events |
| { |
| using System; |
| using System.Collections.Generic; |
| using System.Threading.Tasks; |
| using Apache.Ignite.Core.Cluster; |
| |
| /// <summary> |
| /// Provides functionality for event notifications on nodes defined by <see cref="ClusterGroup"/>. |
| /// <para/> |
| /// All members are thread-safe and may be used concurrently from multiple threads. |
| /// </summary> |
| public interface IEvents |
| { |
| /// <summary> |
| /// Gets the cluster group to which this instance belongs. |
| /// </summary> |
| IClusterGroup ClusterGroup { get; } |
| |
| /// <summary> |
| /// Queries nodes in this cluster group for events using passed in predicate filter for event selection. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Predicate filter used to query events on remote nodes.</param> |
| /// <param name="timeout">Maximum time to wait for result, null or 0 to wait forever.</param> |
| /// <param name="types">Event types to be queried.</param> |
| /// <returns>Collection of Ignite events returned from specified nodes.</returns> |
| ICollection<T> RemoteQuery<T>(IEventFilter<T> filter, TimeSpan? timeout = null, params int[] types) |
| where T : IEvent; |
| |
| /// <summary> |
| /// Queries nodes in this cluster group for events using passed in predicate filter for event selection. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Predicate filter used to query events on remote nodes.</param> |
| /// <param name="timeout">Maximum time to wait for result, null or 0 to wait forever.</param> |
| /// <param name="types">Event types to be queried.</param> |
| /// <returns>Collection of Ignite events returned from specified nodes.</returns> |
| Task<ICollection<T>> RemoteQueryAsync<T>(IEventFilter<T> filter, TimeSpan? timeout = null, params int[] types) |
| where T : IEvent; |
| |
| /// <summary> |
| /// Queries nodes in this cluster group for events using passed in predicate filter for event selection. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Predicate filter used to query events on remote nodes.</param> |
| /// <param name="timeout">Maximum time to wait for result, null or 0 to wait forever.</param> |
| /// <param name="types">Event types to be queried.</param> |
| /// <returns>Collection of Ignite events returned from specified nodes.</returns> |
| ICollection<T> RemoteQuery<T>(IEventFilter<T> filter, TimeSpan? timeout = null, IEnumerable<int> types = null) |
| where T : IEvent; |
| |
| /// <summary> |
| /// Queries nodes in this cluster group for events using passed in predicate filter for event selection. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Predicate filter used to query events on remote nodes.</param> |
| /// <param name="timeout">Maximum time to wait for result, null or 0 to wait forever.</param> |
| /// <param name="types">Event types to be queried.</param> |
| /// <returns>Collection of Ignite events returned from specified nodes.</returns> |
| Task<ICollection<T>> RemoteQueryAsync<T>(IEventFilter<T> filter, TimeSpan? timeout = null, IEnumerable<int> types = null) |
| where T : IEvent; |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| IEvent WaitForLocal(params int[] types); |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| Task<IEvent> WaitForLocalAsync(params int[] types); |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| IEvent WaitForLocal(IEnumerable<int> types); |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| Task<IEvent> WaitForLocalAsync(IEnumerable<int> types); |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Optional filtering predicate. Event wait will end as soon as it returns false.</param> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| T WaitForLocal<T>(IEventFilter<T> filter, params int[] types) where T : IEvent; |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Optional filtering predicate. Event wait will end as soon as it returns false.</param> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| Task<T> WaitForLocalAsync<T>(IEventFilter<T> filter, params int[] types) where T : IEvent; |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Optional filtering predicate. Event wait will end as soon as it returns false.</param> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| T WaitForLocal<T>(IEventFilter<T> filter, IEnumerable<int> types) where T : IEvent; |
| |
| /// <summary> |
| /// Waits for the specified events. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="filter">Optional filtering predicate. Event wait will end as soon as it returns false.</param> |
| /// <param name="types">Types of the events to wait for. |
| /// If not provided, all events will be passed to the filter.</param> |
| /// <returns>Ignite event.</returns> |
| Task<T> WaitForLocalAsync<T>(IEventFilter<T> filter, IEnumerable<int> types) where T : IEvent; |
| |
| /// <summary> |
| /// Queries local node for events using of specified types. |
| /// </summary> |
| /// <param name="types">Event types to be queried. Optional.</param> |
| /// <returns>Collection of Ignite events found on local node.</returns> |
| ICollection<IEvent> LocalQuery(params int[] types); |
| |
| /// <summary> |
| /// Queries local node for events using of specified types. |
| /// </summary> |
| /// <param name="types">Event types to be queried. Optional.</param> |
| /// <returns>Collection of Ignite events found on local node.</returns> |
| ICollection<IEvent> LocalQuery(IEnumerable<int> types); |
| |
| /// <summary> |
| /// Records customer user generated event. All registered local listeners will be notified. |
| /// <para/> |
| /// NOTE: all types in range <b>from 1 to 1000 are reserved</b> for |
| /// internal Ignite events and should not be used by user-defined events. |
| /// Attempt to record internal event with this method will cause <see cref="ArgumentException"/> to be thrown. |
| /// </summary> |
| /// <param name="evt">Locally generated event.</param> |
| /// <exception cref="ArgumentException">If event type is within Ignite reserved range (1 to 1000)</exception> |
| void RecordLocal(IEvent evt); |
| |
| /// <summary> |
| /// Adds an event listener for local events. Note that listener will be added regardless of whether |
| /// local node is in this cluster group or not. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="listener">Predicate that is called on each received event. If predicate returns false, |
| /// it will be unregistered and will stop receiving events.</param> |
| /// <param name="types">Event types for which this listener will be notified, should not be empty.</param> |
| void LocalListen<T>(IEventListener<T> listener, params int[] types) where T : IEvent; |
| |
| /// <summary> |
| /// Adds an event listener for local events. Note that listener will be added regardless of whether |
| /// local node is in this cluster group or not. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="listener">Predicate that is called on each received event. If predicate returns false, |
| /// it will be unregistered and will stop receiving events.</param> |
| /// <param name="types">Event types for which this listener will be notified, should not be empty.</param> |
| void LocalListen<T>(IEventListener<T> listener, IEnumerable<int> types) where T : IEvent; |
| |
| /// <summary> |
| /// Removes local event listener. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="listener">Local event listener to remove.</param> |
| /// <param name="types">Types of events for which to remove listener. If not specified, then listener |
| /// will be removed for all types it was registered for.</param> |
| /// <returns>True if listener was removed, false otherwise.</returns> |
| bool StopLocalListen<T>(IEventListener<T> listener, params int[] types) where T : IEvent; |
| |
| /// <summary> |
| /// Removes local event listener. |
| /// </summary> |
| /// <typeparam name="T">Type of events.</typeparam> |
| /// <param name="listener">Local event listener to remove.</param> |
| /// <param name="types">Types of events for which to remove listener. If not specified, then listener |
| /// will be removed for all types it was registered for.</param> |
| /// <returns>True if listener was removed, false otherwise.</returns> |
| bool StopLocalListen<T>(IEventListener<T> listener, IEnumerable<int> types) where T : IEvent; |
| |
| /// <summary> |
| /// Enables provided events. Allows to start recording events that were disabled before. |
| /// Note that provided events will be enabled regardless of whether local node is in this cluster group or not. |
| /// </summary> |
| /// <param name="types">Events to enable.</param> |
| void EnableLocal(params int[] types); |
| |
| /// <summary> |
| /// Enables provided events. Allows to start recording events that were disabled before. |
| /// Note that provided events will be enabled regardless of whether local node is in this cluster group or not. |
| /// </summary> |
| /// <param name="types">Events to enable.</param> |
| void EnableLocal(IEnumerable<int> types); |
| |
| /// <summary> |
| /// Disables provided events. Allows to stop recording events that were enabled before. Note that specified |
| /// events will be disabled regardless of whether local node is in this cluster group or not. |
| /// </summary> |
| /// <param name="types">Events to disable.</param> |
| void DisableLocal(params int[] types); |
| |
| /// <summary> |
| /// Disables provided events. Allows to stop recording events that were enabled before. Note that specified |
| /// events will be disabled regardless of whether local node is in this cluster group or not. |
| /// </summary> |
| /// <param name="types">Events to disable.</param> |
| void DisableLocal(IEnumerable<int> types); |
| |
| /// <summary> |
| /// Gets types of enabled events. |
| /// </summary> |
| /// <returns>Types of enabled events.</returns> |
| ICollection<int> GetEnabledEvents(); |
| |
| /// <summary> |
| /// Determines whether the specified event is enabled. |
| /// </summary> |
| /// <param name="type">Event type.</param> |
| /// <returns>Value indicating whether the specified event is enabled.</returns> |
| bool IsEnabled(int type); |
| } |
| } |