| /* |
| * 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.Impl.Cluster |
| { |
| using System; |
| using System.Collections.Generic; |
| using System.Diagnostics; |
| using Apache.Ignite.Core.Binary; |
| using Apache.Ignite.Core.Cluster; |
| using Apache.Ignite.Core.Impl.Binary; |
| using Apache.Ignite.Core.Impl.Collections; |
| using Apache.Ignite.Core.Impl.Common; |
| |
| /// <summary> |
| /// Cluster node implementation. |
| /// </summary> |
| internal class ClusterNodeImpl : IClusterNode |
| { |
| /** Node ID. */ |
| private readonly Guid _id; |
| |
| /** Attributes. */ |
| private readonly IDictionary<string, object> _attrs; |
| |
| /** Addresses. */ |
| private readonly ICollection<string> _addrs; |
| |
| /** Hosts. */ |
| private readonly ICollection<string> _hosts; |
| |
| /** Order. */ |
| private readonly long _order; |
| |
| /** Local flag. */ |
| private readonly bool _isLocal; |
| |
| /** Daemon flag. */ |
| private readonly bool _isDaemon; |
| |
| /** Client flag. */ |
| private readonly bool _isClient; |
| |
| /** Consistent id. */ |
| private readonly object _consistentId; |
| |
| /** Metrics. */ |
| private volatile ClusterMetricsImpl _metrics; |
| |
| /** Ignite reference. */ |
| private WeakReference _igniteRef; |
| |
| /// <summary> |
| /// Initializes a new instance of the <see cref="ClusterNodeImpl"/> class. |
| /// </summary> |
| /// <param name="reader">The reader.</param> |
| public ClusterNodeImpl(IBinaryRawReader reader) |
| { |
| var id = reader.ReadGuid(); |
| |
| Debug.Assert(id.HasValue); |
| |
| _id = id.Value; |
| |
| _attrs = ReadAttributes(reader); |
| _addrs = reader.ReadCollectionAsList<string>().AsReadOnly(); |
| _hosts = reader.ReadCollectionAsList<string>().AsReadOnly(); |
| _order = reader.ReadLong(); |
| _isLocal = reader.ReadBoolean(); |
| _isDaemon = reader.ReadBoolean(); |
| _isClient = reader.ReadBoolean(); |
| _consistentId = reader.ReadObject<object>(); |
| |
| _metrics = reader.ReadBoolean() ? new ClusterMetricsImpl(reader) : null; |
| } |
| |
| /** <inheritDoc /> */ |
| public Guid Id |
| { |
| get { return _id; } |
| } |
| |
| /** <inheritDoc /> */ |
| public T GetAttribute<T>(string name) |
| { |
| IgniteArgumentCheck.NotNull(name, "name"); |
| |
| return (T)_attrs[name]; |
| } |
| |
| /** <inheritDoc /> */ |
| public bool TryGetAttribute<T>(string name, out T attr) |
| { |
| IgniteArgumentCheck.NotNull(name, "name"); |
| |
| object val; |
| |
| if (_attrs.TryGetValue(name, out val)) |
| { |
| attr = (T)val; |
| |
| return true; |
| } |
| attr = default(T); |
| |
| return false; |
| } |
| |
| /** <inheritDoc /> */ |
| public IDictionary<string, object> GetAttributes() |
| { |
| return _attrs; |
| } |
| |
| /** <inheritDoc /> */ |
| public ICollection<string> Addresses |
| { |
| get { return _addrs; } |
| } |
| |
| /** <inheritDoc /> */ |
| public ICollection<string> HostNames |
| { |
| get { return _hosts; } |
| } |
| |
| /** <inheritDoc /> */ |
| public long Order |
| { |
| get { return _order; } |
| } |
| |
| /** <inheritDoc /> */ |
| public bool IsLocal |
| { |
| get { return _isLocal; } |
| } |
| |
| /** <inheritDoc /> */ |
| public bool IsDaemon |
| { |
| get { return _isDaemon; } |
| } |
| |
| /** <inheritDoc /> */ |
| public IClusterMetrics GetMetrics() |
| { |
| var ignite = (Ignite)_igniteRef.Target; |
| |
| if (ignite == null) |
| return _metrics; |
| |
| ClusterMetricsImpl oldMetrics = _metrics; |
| |
| long lastUpdateTime = oldMetrics.LastUpdateTimeRaw; |
| |
| ClusterMetricsImpl newMetrics = ignite.ClusterGroup.RefreshClusterNodeMetrics(_id, lastUpdateTime); |
| |
| if (newMetrics != null) |
| { |
| lock (this) |
| { |
| if (_metrics.LastUpdateTime < newMetrics.LastUpdateTime) |
| _metrics = newMetrics; |
| } |
| |
| return newMetrics; |
| } |
| |
| return oldMetrics; |
| } |
| |
| /** <inheritDoc /> */ |
| public object ConsistentId |
| { |
| get { return _consistentId; } |
| } |
| |
| /** <inheritDoc /> */ |
| public IDictionary<string, object> Attributes |
| { |
| get { return _attrs; } |
| } |
| |
| /** <inheritDoc /> */ |
| public bool IsClient |
| { |
| get { return _isClient; } |
| } |
| |
| /** <inheritDoc /> */ |
| public override string ToString() |
| { |
| return "GridNode [id=" + Id + ']'; |
| } |
| |
| /** <inheritDoc /> */ |
| public override bool Equals(object obj) |
| { |
| ClusterNodeImpl node = obj as ClusterNodeImpl; |
| |
| if (node != null) |
| return _id.Equals(node._id); |
| |
| return false; |
| } |
| |
| /** <inheritDoc /> */ |
| public override int GetHashCode() |
| { |
| // ReSharper disable once NonReadonlyMemberInGetHashCode |
| return _id.GetHashCode(); |
| } |
| |
| /// <summary> |
| /// Initializes this instance with a grid. |
| /// </summary> |
| /// <param name="grid">The grid.</param> |
| internal void Init(Ignite grid) |
| { |
| _igniteRef = new WeakReference(grid); |
| } |
| |
| /// <summary> |
| /// Reads the attributes. |
| /// </summary> |
| internal static IDictionary<string, object> ReadAttributes(IBinaryRawReader reader) |
| { |
| Debug.Assert(reader != null); |
| |
| var count = reader.ReadInt(); |
| var res = new Dictionary<string, object>(count); |
| |
| for (var i = 0; i < count; i++) |
| { |
| res[reader.ReadString()] = reader.ReadObject<object>(); |
| } |
| |
| return res.AsReadOnly(); |
| } |
| } |
| } |