UltimateCoder/mongodb-generic-repository
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

work on indexes continued

Browse Source
This commit is contained in:
alexandre-spieser
2018-09-17 22:39:14 +01:00
parent 099e16a88c
commit ad18170804
1 changed files with 187 additions and 130 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MongoDbGenericRepository/BaseMongoDbRepository.cs
+187 -130
View File
@@ -1087,7 +1087,7 @@ namespace MongoDbGenericRepository
/// Create an Index given a field and an optional ascending / descending parameter /// Create an Index given a field and an optional ascending / descending parameter
/// we want to create them in the background as we want the db to still be available during this process /// we want to create them in the background as we want the db to still be available during this process
/// </summary> /// </summary>
/// <typeparam name="TDocument"></typeparam> /// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <param name="field">The field we want to index</param> /// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param> /// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param> /// <param name="partitionKey">An optional partition key</param>
@@ -1095,7 +1095,24 @@ namespace MongoDbGenericRepository
public async Task<string> CreateTextIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) public async Task<string> CreateTextIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
where TDocument : IDocument where TDocument : IDocument
{ {
return await HandlePartitioned<TDocument>(partitionKey).Indexes return await CreateTextIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
}
/// <summary>
/// Create an Index given a field and an optional ascending / descending parameter
/// we want to create them in the background as we want the db to still be available during this process
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns>The result of the create index operation.</returns>
public async Task<string> CreateTextIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
where TDocument : IDocument<TKey>
where TKey : IEquatable<TKey>
{
return await HandlePartitioned<TDocument, TKey>(partitionKey).Indexes
.CreateOneAsync( .CreateOneAsync(
new CreateIndexModel<TDocument>( new CreateIndexModel<TDocument>(
Builders<TDocument>.IndexKeys.Text(field), Builders<TDocument>.IndexKeys.Text(field),
@@ -1103,6 +1120,174 @@ namespace MongoDbGenericRepository
)); ));
} }
/// <summary>
/// Creates an index on the given field in ascending order
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns>The result of the create index operation.</returns>
public async Task<string> CreateAscendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
{
return await CreateAscendingIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
}
/// <summary>
/// Creates an index on the given field in ascending order
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns>The result of the create index operation.</returns>
public async Task<string> CreateAscendingIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
where TDocument : IDocument<TKey>
where TKey : IEquatable<TKey>
{
var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
var indexKey = Builders<TDocument>.IndexKeys;
return await collection.Indexes
.CreateOneAsync(
new CreateIndexModel<TDocument>(indexKey.Ascending(field), createOptions));
}
/// <summary>
/// Creates an index on the given field in ascending order
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns></returns>
public async Task<string> CreateDescendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
{
return await CreateDescendingIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
}
/// <summary>
/// Creates an index on the given field in descending order
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns>The result of the create index operation.</returns>
public async Task<string> CreateDescendingIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
where TDocument : IDocument<TKey>
where TKey : IEquatable<TKey>
{
var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
var indexKey = Builders<TDocument>.IndexKeys;
return await collection.Indexes
.CreateOneAsync(
new CreateIndexModel<TDocument>(indexKey.Descending(field), createOptions));
}
/// <summary>
/// Create an Index given a field and an optional ascending / descending parameter
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns></returns>
public async Task<string> CreateHashedIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
{
return await CreateHashedIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
}
/// <summary>
/// Creates a hashed index on the given field.
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns>The result of the create index operation.</returns>
public async Task<string> CreateHashedIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
where TDocument : IDocument<TKey>
where TKey : IEquatable<TKey>
{
var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
var indexKey = Builders<TDocument>.IndexKeys;
return await collection.Indexes
.CreateOneAsync(
new CreateIndexModel<TDocument>(indexKey.Hashed(field), createOptions));
}
/// <summary>
/// Creates a combined text index
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <param name="fields">The fields we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns>The result of the create index operation.</returns>
public async Task<string> CreateCombinedTextIndexAsync<TDocument>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
{
return await CreateCombinedTextIndexAsync<TDocument, Guid>(fields, indexCreationOptions, partitionKey);
}
/// <summary>
/// Creates a combined text index
/// </summary>
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
/// <param name="fields">The fields we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns>The result of the create index operation.</returns>
public async Task<string> CreateCombinedTextIndexAsync<TDocument, TKey>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
where TDocument : IDocument<TKey>
where TKey : IEquatable<TKey>
{
var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
var listOfDefs = new List<IndexKeysDefinition<TDocument>>();
foreach (var field in fields)
{
listOfDefs.Add(Builders<TDocument>.IndexKeys.Text(field));
}
return await collection.Indexes
.CreateOneAsync(new CreateIndexModel<TDocument>(Builders<TDocument>.IndexKeys.Combine(listOfDefs), createOptions));
}
/// <summary>
/// Drops the index given a field name
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="fieldName"></param>
/// <returns></returns>
public async Task DropIndexAsync<T>(string fieldName) where T : BaseMongoEntity
{
var collection = GetCollection<T>();
await collection.Indexes.DropOneAsync(fieldName);
}
/// <summary>
/// Drops the index given a field name
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public async Task<List<string>> GetIndexesNamesAsync<TDocument>() where T : BaseMongoEntity
{
var collection = GetCollection<T>();
var indexCursor = await collection.Indexes.ListAsync();
var indexes = await indexCursor.ToListAsync();
var values = indexes.Select(e => e["name"].ToString()).ToList();
return values;
}
#endregion Index Management
private CreateIndexOptions MapIndexOptions(IndexCreationOptions indexCreationOptions) private CreateIndexOptions MapIndexOptions(IndexCreationOptions indexCreationOptions)
{ {
return new CreateIndexOptions return new CreateIndexOptions
@@ -1124,134 +1309,6 @@ namespace MongoDbGenericRepository
}; };
} }
/// <summary>
/// Creates an index on the given field in ascending order
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns></returns>
public async Task<string> CreateAscendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
{
var collection = HandlePartitioned<TDocument, Guid>(partitionKey);
var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
var indexKey = Builders<TDocument>.IndexKeys;
return await collection.Indexes
.CreateOneAsync(
new CreateIndexModel<TDocument>(indexKey.Ascending(field), createOptions));
}
/// <summary>
/// Creates an index on the given field in ascending order
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <param name="field">The field we want to index</param>
/// <param name="indexCreationOptions">Options for creating an index..</param>
/// <param name="partitionKey">An optional partition key</param>
/// <returns></returns>
public async Task<string> CreateDescendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
{
var collection = HandlePartitioned<TDocument, Guid>(partitionKey);
var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
var indexKey = Builders<TDocument>.IndexKeys;
return await collection.Indexes
.CreateOneAsync(
new CreateIndexModel<TDocument>(indexKey.Descending(field), createOptions));
}
/// <summary>
/// Create an Index given a field and an optional ascending / descending parameter
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <param name="mongoCollectionIndexType"></param>
/// <param name="fields"></param>
/// <returns></returns>
public async Task<string> CreateHshedIndexAsync<TDocument>(Expression<Func<TDocument, object>> field)
where TDocument : IDocument
{
var collection = HandlePartitioned<TDocument, Guid>(partitionKey);
var createOptions = new CreateIndexOptions
{
Background = createInBackGround
};
var indexKey = Builders<TDocument>.IndexKeys;
if (ascending)
{
return await collection.Indexes
.CreateOneAsync(
new CreateIndexModel<TDocument>(indexKey.Ascending(field), createOptions));
}
else
{
return await collection.Indexes
.CreateOneAsync(
new CreateIndexModel<TDocument>(indexKey.Descending(field), createOptions));
}
// we want to create them in the background as we want the db to still be available during this process
var collection = GetCollection<TDocument>();
var indexKey = Builders<TDocument>.IndexKeys;
switch (mongoCollectionIndexType)
{
case MongoCollectionIndexType.Text:
return await collection.Indexes.CreateOneAsync(indexKey.Text(field), new CreateIndexOptions { Background = true });
case MongoCollectionIndexType.Hashed:
return await collection.Indexes.CreateOneAsync(indexKey.Hashed(field), new CreateIndexOptions { Background = true });
default:
return await collection.Indexes.CreateOneAsync(indexKey.Hashed(field), new CreateIndexOptions { Background = true });
}
}
/// <summary>
/// We are only allowed one Text index per MongoCollection, this method will combine Text indexes across multiple string fields
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="fields"></param>
/// <returns></returns>
public async Task<string> CreateCombinedTextIndexAsync<T>(params Expression<Func<T, object>>[] fields) where T : BaseMongoEntity
{
var collection = GetCollection<T>();
var listOfDefs = new List<IndexKeysDefinition<T>>();
foreach (var field in fields)
{
listOfDefs.Add(Builders<T>.IndexKeys.Text(field));
}
return await collection.Indexes.CreateOneAsync(Builders<T>.IndexKeys.Combine(listOfDefs), new CreateIndexOptions
{
Background = true // we want to create them in the background as we want the db to still be available
});
}
/// <summary>
/// Drops the index given a field name
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="fieldName"></param>
/// <returns></returns>
public async Task DropIndexAsync<T>(string fieldName) where T : BaseMongoEntity
{
var collection = GetCollection<T>();
await collection.Indexes.DropOneAsync(fieldName);
}
/// <summary>
/// Drops the index given a field name
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public async Task<List<string>> GetIndexesNamesAsync<T>() where T : BaseMongoEntity
{
var collection = GetCollection<T>();
var indexCursor = await collection.Indexes.ListAsync();
var indexes = await indexCursor.ToListAsync();
var values = indexes.Select(e => e["name"].ToString()).ToList();
return values;
}
#endregion Index Management
/// <summary> /// <summary>
/// Sets the value of the document Id if it is not set already. /// Sets the value of the document Id if it is not set already.
/// </summary> /// </summary>