| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| |
| #include "geode_defs.hpp" |
| #include "IPartitionResolver.hpp" |
| |
| //using System::Collections::Generics; |
| |
| namespace Apache |
| { |
| namespace Geode |
| { |
| namespace Client |
| { |
| |
| interface class ISerializable; |
| /// <summary> |
| /// Implementers of interface <code>FixedPartitionResolver</code> helps to |
| /// achieve explicit mapping of a "user defined" partition to a data member node. |
| /// </summary> |
| /// <remarks> |
| /// <p> |
| /// Geode uses the partition name returned by |
| /// {@link FixedPartitionResolver#getPartitionName(EntryEvent, CacheableHashSet)} |
| /// to determine on which member the data is being managed. Say, for example, you want to |
| /// partition all Trades according to quarters. You can implement |
| /// FixedPartitionResolver to get the name of the quarter based on the date given |
| /// as part of {@link EntryEvent}. |
| /// </p> |
| /// |
| /// public class QuarterPartitionResolver implements FixedPartitionResolver{<br> |
| ///     public String getPartitionName(EntryOperation opDetails, CacheableHashSet |
| /// allAvailablePartitions) {<br> |
| ///     Date date = sdf.parse((String)opDetails.getKey());<br> |
| ///     Calendar cal = Calendar.getInstance();<br> |
| ///     cal.setTime(date);<br> |
| ///     int month = cal.get(Calendar.MONTH);<br> |
| ///     if (month == 0 || month == 1 || month == 2) {<br> |
| ///       return "Quarter1";<br> |
| ///     }<br> |
| ///     else if (month == 3 || month == 4 || month == 5) {<br> |
| ///       return "Quarter2";<br> |
| ///     }<br> |
| ///     else if (month == 6 || month == 7 || month == 8) {<br> |
| ///       return "Quarter3";<br> |
| ///     }<br> |
| ///     else if (month == 9 || month == 10 || month == 11) {<br> |
| ///       return "Quarter4";<br> |
| ///     }<br> |
| ///     else {<br> |
| ///       return "Invalid Quarter";<br> |
| ///     }<br> |
| ///   }<br> |
| /// |
| /// @see PartitionResolver |
| /// |
| /// </remarks> |
| /// <seealso cref="RegionAttributesFactory.SetPartitionResolver" /> |
| /// <seealso cref="RegionAttributes.PartitionResolver" /> |
| generic<class TKey, class TValue> |
| public interface class IFixedPartitionResolver : public IPartitionResolver<TKey, TValue> |
| { |
| public: |
| |
| /// <summary> |
| /// This method is used to get the name of the partition for the given entry |
| /// operation. |
| /// </summary> |
| /// <param name="opDetails"> |
| /// the details of the entry event e.g. {@link Region#get(Object)} |
| /// </param> |
| /// <return> partition-name associated with node which allows mapping of given |
| /// data to user defined partition |
| /// </return> |
| String^ GetPartitionName(EntryEvent<TKey, TValue>^ opDetails); |
| }; |
| } // namespace Client |
| } // namespace Geode |
| } // namespace Apache |
| |