ElasticCas is an OpenSearch engine built over elasticsearch.
OpenSearch is a collection of simple formats for the sharing of search results. http://www.opensearch.org/
Elasticsearch is a flexible and powerful open source, distributed, real-time search and analytics engine. http://www.elasticsearch.org/
ElasticCas put documents collection in elasticsearch that stores complex real world entities as structured JSON documents.
$ curl -XPOST 'http://localhost:8082/catalogue/twitter/tweet' -d '{
"items":[
{
"user" : "manu",
"post_date" : "2014-09-24T15:10:12",
"message" : "trying out ElasticCas"
},
{
"user" : "bob",
"post_date" : "1973-05-24T12:45:33",
"message" : "Knockin' on Heaven's Door"
}
]
}'All fields are indexed by default so that an OpenSearch Description is built dynamically anyhow.
$ curl 'http://localhost:8082/catalogue/twitter/tweet/description'<OpenSearchDescriptionOpenSearchDescription xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://a9.com/-/spec/opensearch/1.1/">
<ShortName>twitter Elastic Catalogue</ShortName>
<Description>This Search Service performs queries in the index twitter. There are several URL templates that return the results in different formats.This search service is in accordance with the OGC 10-032r3 specification.</Description>
<Contact>info@terradue.com</Contact>
<Url type="application/atom+xml" template="http://127.0.0.1:8081/catalogue/twitter/tweet/search?format=atom&count={count?}&startPage={startPage?}&startIndex={startIndex?}&q={searchTerms?}&lang={language?}" rel="results" pageOffset="1" indexOffset="1" />
<Url type="application/json" template="http://127.0.0.1:8081/catalogue/twitter/tweet/search?format=json&count={count?}&startPage={startPage?}&startIndex={startIndex?}&q={searchTerms?}&lang={language?}" rel="results" pageOffset="1" indexOffset="1" />
<Url type="application/opensearchdescription+xml" template="http://127.0.0.1:8081/catalogue/twitter/tweet/description" rel="self" pageOffset="1" indexOffset="1" />
<Developer>Terradue Development Team</Developer>
<Attribution>Terradue</Attribution>
<SyndicationRight>open</SyndicationRight>
<AdultContent>false</AdultContent>
<Language>en-us</Language>
<OutputEncoding>UTF-8</OutputEncoding>
<InputEncoding>UTF-8</InputEncoding>
<DefaultUrl type="application/atom+xml" template="http://127.0.0.1:8081/catalogue/twitter/tweet/search?format=atom&count={count?}&startPage={startPage?}&startIndex={startIndex?}&q={searchTerms?}&lang={language?}" rel="results" pageOffset="1" indexOffset="1" />
</OpenSearchDescription>From OpenSearch query and its parameters, ElasticCas builds simple or complex queries according to the document type (plugins).
$ curl -XGET 'http://localhost:8082/catalogue/twitter/tweet/search?q=bob&format=json'Finally, it returns results in various formats (plugins).
{
"items":[
{
"user" : "manu",
"post_date" : "2014-09-24T15:10:12",
"message" : "trying out ElasticCas"
}
]
}ElasticCas is the chassis for building a domain specific complex distributed restful search and analytics system. Alone, it provides the full basic OpenSearch functionnalities such as the free text query powered with elasticsearch capabilities
http://localhost:8082/catalogue/tweeter/tweet/search?q=message:Heaven
Pluging extensions into ElasticCas brings a new format, document type, or search functionnality. Find all ElasticCas plugins:
- Type : https://github.com/Terradue?query=DotNetElasticCas
- Format : https://github.com/Terradue?query=DotNetOpenSearch
Terradue.ElasticCas is available as NuGet package in releases.
Install-Package Terradue.ElasticCas
Terradue.ElasticCas repository is a solution designed to be easily deployed anywhere.
To compile it yourself, you’ll need:
- Visual Studio 2012 or later, or Xamarin Studio
To clone it locally click the "Clone in Desktop" button above or run the following git commands.
git clone git@github.com:Terradue/Terradue.ElasticCas.git Terradue.ElasticCas
Please file any bugs or questions as issues
Fork the repository here and send us pull requests.
Copyright (c) 2014 Terradue
Licensed under the GPL v2 License