| /* |
| * 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.Examples.Sql |
| { |
| using System; |
| using Apache.Ignite.Core; |
| using Apache.Ignite.Core.Cache; |
| using Apache.Ignite.Core.Cache.Affinity; |
| using Apache.Ignite.Core.Cache.Configuration; |
| using Apache.Ignite.Core.Cache.Query; |
| using Apache.Ignite.ExamplesDll.Binary; |
| |
| /// <summary> |
| /// This example populates cache with sample data and runs SQL queries. |
| /// <para /> |
| /// 1) Build the project Apache.Ignite.ExamplesDll (select it -> right-click -> Build). |
| /// 2) Set this class as startup object (Apache.Ignite.Examples project -> right-click -> Properties -> |
| /// Application -> Startup object); |
| /// 3) Start example (F5 or Ctrl+F5). |
| /// <para /> |
| /// This example can be run with standalone Apache Ignite.NET node: |
| /// 1) Run %IGNITE_HOME%/platforms/dotnet/bin/Apache.Ignite.exe: |
| /// Apache.Ignite.exe -configFileName=platforms\dotnet\examples\apache.ignite.examples\app.config |
| /// 2) Start example. |
| /// </summary> |
| public class SqlExample |
| { |
| /// <summary>Organization cache name.</summary> |
| private const string OrganizationCacheName = "dotnet_cache_query_organization"; |
| |
| /// <summary>Employee cache name.</summary> |
| private const string EmployeeCacheName = "dotnet_cache_query_employee"; |
| |
| /// <summary>Employee cache name.</summary> |
| private const string EmployeeCacheNameColocated = "dotnet_cache_query_employee_colocated"; |
| |
| [STAThread] |
| public static void Main() |
| { |
| using (var ignite = Ignition.StartFromApplicationConfiguration()) |
| { |
| Console.WriteLine(); |
| Console.WriteLine(">>> Cache query example started."); |
| |
| var employeeCache = ignite.GetOrCreateCache<int, Employee>( |
| new CacheConfiguration(EmployeeCacheName, new QueryEntity(typeof(int), typeof(Employee)))); |
| |
| var employeeCacheColocated = ignite.GetOrCreateCache<AffinityKey, Employee>( |
| new CacheConfiguration(EmployeeCacheNameColocated, |
| new QueryEntity(typeof(AffinityKey), typeof(Employee)))); |
| |
| var organizationCache = ignite.GetOrCreateCache<int, Organization>( |
| new CacheConfiguration(OrganizationCacheName, new QueryEntity(typeof(int), typeof(Organization)))); |
| |
| // Populate cache with sample data entries. |
| PopulateCache(employeeCache); |
| PopulateCache(employeeCacheColocated); |
| PopulateCache(organizationCache); |
| |
| // Run SQL query example. |
| SqlQueryExample(employeeCache); |
| |
| // Run SQL query with join example. |
| SqlJoinQueryExample(employeeCacheColocated); |
| |
| // Run SQL query with distributed join example. |
| SqlDistributedJoinQueryExample(employeeCache); |
| |
| Console.WriteLine(); |
| } |
| |
| Console.WriteLine(); |
| Console.WriteLine(">>> Example finished, press any key to exit ..."); |
| Console.ReadKey(); |
| } |
| |
| /// <summary> |
| /// Queries employees that have provided ZIP code in address. |
| /// </summary> |
| /// <param name="cache">Cache.</param> |
| private static void SqlQueryExample(ICache<int, Employee> cache) |
| { |
| const int zip = 94109; |
| |
| var qry = cache.Query(new SqlFieldsQuery("select name, salary from Employee where zip = ?", zip)); |
| |
| Console.WriteLine(); |
| Console.WriteLine(">>> Employees with zipcode {0} (SQL):", zip); |
| |
| foreach (var row in qry) |
| Console.WriteLine(">>> [Name=" + row[0] + ", salary=" + row[1] + ']'); |
| } |
| |
| /// <summary> |
| /// Queries employees that work for organization with provided name. |
| /// </summary> |
| /// <param name="cache">Cache.</param> |
| private static void SqlJoinQueryExample(ICache<AffinityKey, Employee> cache) |
| { |
| const string orgName = "Apache"; |
| |
| var qry = cache.Query(new SqlFieldsQuery( |
| "select Employee.name from Employee, \"dotnet_cache_query_organization\".Organization " + |
| "where Employee.organizationId = Organization._key and Organization.name = ?", orgName)); |
| |
| Console.WriteLine(); |
| Console.WriteLine(">>> Employees working for " + orgName + ":"); |
| |
| foreach (var entry in qry) |
| Console.WriteLine(">>> " + entry[0]); |
| } |
| |
| /// <summary> |
| /// Queries employees that work for organization with provided name. |
| /// </summary> |
| /// <param name="cache">Cache.</param> |
| private static void SqlDistributedJoinQueryExample(ICache<int, Employee> cache) |
| { |
| const string orgName = "Apache"; |
| |
| var qry = cache.Query(new SqlFieldsQuery( |
| "select Employee.name from Employee, \"dotnet_cache_query_organization\".Organization " + |
| "where Employee.organizationId = Organization._key and Organization.name = ?", orgName) |
| { |
| EnableDistributedJoins = true, |
| Timeout = new TimeSpan(0, 1, 0) |
| }); |
| |
| Console.WriteLine(); |
| Console.WriteLine(">>> Employees working for " + orgName + " (distributed joins enabled):"); |
| |
| foreach (var entry in qry) |
| Console.WriteLine(">>> " + entry[0]); |
| } |
| |
| /// <summary> |
| /// Populate cache with data for this example. |
| /// </summary> |
| /// <param name="cache">Cache.</param> |
| private static void PopulateCache(ICache<int, Organization> cache) |
| { |
| cache.Put(1, new Organization( |
| "Apache", |
| new Address("1065 East Hillsdale Blvd, Foster City, CA", 94404), |
| OrganizationType.Private, |
| DateTime.Now)); |
| |
| cache.Put(2, new Organization("Microsoft", |
| new Address("1096 Eddy Street, San Francisco, CA", 94109), |
| OrganizationType.Private, |
| DateTime.Now)); |
| } |
| |
| /// <summary> |
| /// Populate cache with data for this example. |
| /// </summary> |
| /// <param name="cache">Cache.</param> |
| private static void PopulateCache(ICache<AffinityKey, Employee> cache) |
| { |
| cache.Put(new AffinityKey(1, 1), new Employee( |
| "James Wilson", |
| 12500, |
| new Address("1096 Eddy Street, San Francisco, CA", 94109), |
| new[] {"Human Resources", "Customer Service"}, |
| 1)); |
| |
| cache.Put(new AffinityKey(2, 1), new Employee( |
| "Daniel Adams", |
| 11000, |
| new Address("184 Fidler Drive, San Antonio, TX", 78130), |
| new[] {"Development", "QA"}, |
| 1)); |
| |
| cache.Put(new AffinityKey(3, 1), new Employee( |
| "Cristian Moss", |
| 12500, |
| new Address("667 Jerry Dove Drive, Florence, SC", 29501), |
| new[] {"Logistics"}, |
| 1)); |
| |
| cache.Put(new AffinityKey(4, 2), new Employee( |
| "Allison Mathis", |
| 25300, |
| new Address("2702 Freedom Lane, San Francisco, CA", 94109), |
| new[] {"Development"}, |
| 2)); |
| |
| cache.Put(new AffinityKey(5, 2), new Employee( |
| "Breana Robbin", |
| 6500, |
| new Address("3960 Sundown Lane, Austin, TX", 78130), |
| new[] {"Sales"}, |
| 2)); |
| |
| cache.Put(new AffinityKey(6, 2), new Employee( |
| "Philip Horsley", |
| 19800, |
| new Address("2803 Elsie Drive, Sioux Falls, SD", 57104), |
| new[] {"Sales"}, |
| 2)); |
| |
| cache.Put(new AffinityKey(7, 2), new Employee( |
| "Brian Peters", |
| 10600, |
| new Address("1407 Pearlman Avenue, Boston, MA", 12110), |
| new[] {"Development", "QA"}, |
| 2)); |
| } |
| |
| /// <summary> |
| /// Populate cache with data for this example. |
| /// </summary> |
| /// <param name="cache">Cache.</param> |
| private static void PopulateCache(ICache<int, Employee> cache) |
| { |
| cache.Put(1, new Employee( |
| "James Wilson", |
| 12500, |
| new Address("1096 Eddy Street, San Francisco, CA", 94109), |
| new[] {"Human Resources", "Customer Service"}, |
| 1)); |
| |
| cache.Put(2, new Employee( |
| "Daniel Adams", |
| 11000, |
| new Address("184 Fidler Drive, San Antonio, TX", 78130), |
| new[] {"Development", "QA"}, |
| 1)); |
| |
| cache.Put(3, new Employee( |
| "Cristian Moss", |
| 12500, |
| new Address("667 Jerry Dove Drive, Florence, SC", 29501), |
| new[] {"Logistics"}, |
| 1)); |
| |
| cache.Put(4, new Employee( |
| "Allison Mathis", |
| 25300, |
| new Address("2702 Freedom Lane, San Francisco, CA", 94109), |
| new[] {"Development"}, |
| 2)); |
| |
| cache.Put(5, new Employee( |
| "Breana Robbin", |
| 6500, |
| new Address("3960 Sundown Lane, Austin, TX", 78130), |
| new[] {"Sales"}, |
| 2)); |
| |
| cache.Put(6, new Employee( |
| "Philip Horsley", |
| 19800, |
| new Address("2803 Elsie Drive, Sioux Falls, SD", 57104), |
| new[] {"Sales"}, |
| 2)); |
| |
| cache.Put(7, new Employee( |
| "Brian Peters", |
| 10600, |
| new Address("1407 Pearlman Avenue, Boston, MA", 12110), |
| new[] {"Development", "QA"}, |
| 2)); |
| } |
| } |
| } |