### Install Elastix Dependency

Source: https://github.com/werbitzky/elastix/blob/master/README.md

This snippet shows how to add the Elastix library as a dependency in your Elixir project's `mix.exs` file. After adding the dependency, you need to run `mix deps.get` to fetch it.

```elixir
def deps do
  [
    {:elastix, ">= 0.0.0"}
  ]
end
```

--------------------------------

### Elasticsearch Document Operations (Map, Index, Search, Delete)

Source: https://github.com/werbitzky/elastix/blob/master/README.md

This example illustrates a typical workflow with Elasticsearch using Elastix: defining a mapping for a document type, indexing a document with specific data, searching for documents, and then deleting a document. It requires the Elasticsearch URL and details about the index and document type.

```elixir
elastic_url = "http://localhost:9200"

data = %{
    user: "kimchy",
    post_date: "2009-11-15T14:12:12",
    message: "trying out Elastix"
}

mapping = %{
  properties: %{
    user: %{type: "text"},
    post_date: %{type: "date"},
    message: %{type: "text"}
  }
}

Elastix.Mapping.put(elastic_url, "twitter", "tweet", mapping)
Elastix.Document.index(elastic_url, "twitter", "tweet", "42", data)
Elastix.Search.search(elastic_url, "twitter", ["tweet"], %{})
Elastix.Document.delete(elastic_url, "twitter", "tweet", "42")
```

--------------------------------

### Elastix Configuration: Custom Headers

Source: https://github.com/werbitzky/elastix/blob/master/README.md

Configures Elastix to add custom headers to all outgoing requests. This is done by providing a tuple `{Module, :function, [args]}` where the function is responsible for generating and returning the headers. An example shows how to add an AWS signature.

```elixir
config :elastix,
  custom_headers: {MyModule, :add_aws_signature, ["us-east"]}

defmodule MyModule do
  def add_aws_signature(request, region) do
    [{"Authorization", generate_aws_signature(request, region)} | request.headers]
  end

  defp generate_aws_signature(request, region) do
    # See: https://github.com/bryanjos/aws_auth or similar
  end
end
```

--------------------------------

### Download and Run Wisdom RESTClient

Source: https://github.com/werbitzky/elastix/wiki/Automated-test-and-generate-RESTful-API-documentation-through-rest-client

Instructions on how to download the Wisdom RESTClient JAR file and run the GUI application. It requires Java 1.7 or higher.

```bash
Download JAR: restclient-1.2.jar
Install Java 1.7 or higher.
Double click restclient-1.2.jar to launch GUI.
```

--------------------------------

### Running Elastix Tests with Elasticsearch

Source: https://github.com/werbitzky/elastix/blob/master/README.md

Instructions on how to set up and run the tests for the Elastix project. This involves having Elasticsearch running locally (e.g., via Docker), cloning the repository, fetching dependencies, and executing the tests with `mix test`.

```shell
docker run -p 9200:9200 -it --rm elasticsearch:5.1.2

git clone git@github.com:werbitzky/elastix.git
cd elastix
mix deps.get
mix test
```

--------------------------------

### 下载和运行 Wisdom RESTClient

Source: https://github.com/werbitzky/elastix/wiki/Automated-test-and-generate-RESTful-API-documentation-through-rest-client

下载 Wisdom RESTClient JAR 文件并运行 GUI 应用程序的说明。需要 Java 1.7 或更高版本。

```bash
下载 JAR 包: restclient-1.2.jar
安装 Java 1.7 或更高版本。
双击 restclient-1.2.jar 即可运行工具。
```

--------------------------------

### Create Elasticsearch Index

Source: https://github.com/werbitzky/elastix/blob/master/README.md

Demonstrates how to create a new index in Elasticsearch using the Elastix client. It requires the Elasticsearch URL, the index name, and an optional map for index settings.

```elixir
Elastix.Index.create("http://localhost:9200", "twitter", %{})
```

--------------------------------

### Elasticsearch Bulk Requests

Source: https://github.com/werbitzky/elastix/blob/master/README.md

Shows how to perform bulk operations in Elasticsearch using Elastix. This includes posting a list of operations (like indexing documents) and posting raw data. Options like `index`, `type`, and `httpoison_options` can be specified.

```elixir
lines = [
  %{index: %{_id: "1"}},
  %{field: "value1"},
  %{index: %{_id: "2"}},
  %{field: "value2"}
]

Elastix.Bulk.post(elastic_url, lines, index: "my_index", type: "my_type", httpoison_options: [timeout: 180_000])

# You can also send raw data:
data = Enum.map(lines, fn line -> Poison.encode!(line) <> "\n" end)
Elastix.Bulk.post_raw(elastic_url, data, index: "my_index", type: "my_type")
```

--------------------------------

### Elastix Configuration: JSON and HTTPoison Options

Source: https://github.com/werbitzky/elastix/blob/master/README.md

Configures Elastix to use specific options for JSON parsing (e.g., using atoms for keys) and HTTP requests via HTTPoison. This allows customization of how data is encoded/decoded and how HTTP requests are handled, including connection pooling.

```elixir
config :elastix,
  json_options: [keys: :atoms!],
  httpoison_options: [hackney: [pool: :elastix_pool]]
```

--------------------------------

### Elastix Configuration: Shield, Username, Password

Source: https://github.com/werbitzky/elastix/blob/master/README.md

Configures Elastix to use Elasticsearch Shield for security. This involves setting the `shield` option to `true` and providing `username` and `password` credentials.

```elixir
config :elastix,
  shield: true,
  username: "username",
  password: "password",
```

--------------------------------

### Configure Elastix with Jason JSON Codec

Source: https://github.com/werbitzky/elastix/blob/master/pages/custom-json-codec.md

This Elixir code snippet demonstrates configuring the Elastix project to use the Jason library as its JSON codec. It simply sets the `json_codec` option to `Jason`.

```elixir
config :elastix,
  json_codec: Jason
```

--------------------------------

### Implement Elastix JSON Codec Behavior

Source: https://github.com/werbitzky/elastix/blob/master/pages/custom-json-codec.md

This Elixir code defines a `JiffyCodec` module that implements the `Elastix.JSON.Codec` behavior. It provides `encode!` and `decode` functions using the `:jiffy` library for JSON operations.

```elixir
defmodule JiffyCodec do
  @behaviour Elastix.JSON.Codec

  def encode!(data), do: :jiffy.encode(data)
  def decode(json, opts \ []), do: {:ok, :jiffy.decode(json, opts)}
end
```

--------------------------------

### Configure Elastix with Jiffy JSON Codec

Source: https://github.com/werbitzky/elastix/blob/master/pages/custom-json-codec.md

This Elixir code snippet shows how to configure the Elastix project to use the Jiffy library for JSON encoding and decoding. It specifies the `json_codec` as `JiffyCodec` and sets `json_options` to `[:return_maps]`.

```elixir
config :elastix,
  json_codec: JiffyCodec,
  json_options: [:return_maps]
```

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