{"id":76617,"library":"cqengine","title":"CQEngine","description":"Collection Query Engine: NoSQL indexing and query engine for Java collections with ultra-low latency.","status":"active","version":"3.6.0","language":"java","source_language":null,"source_url":"https://github.com/npgall/cqengine","tags":["nosql","indexing","query","collections"],"install":[{"cmd":"<dependency>\n  <groupId>com.googlecode.cqengine</groupId>\n  <artifactId>cqengine</artifactId>\n  <version>3.6.0</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'com.googlecode.cqengine:cqengine:3.6.0'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"QueryFactory","correct":"com.googlecode.cqengine.query.QueryFactory"}],"quickstart":{"code":"import com.googlecode.cqengine.query.QueryFactory;\nimport com.googlecode.cqengine.resultset.ResultSet;\n\npublic class Example {\n    public static void main(String[] args) {\n        // Example usage: querying a collection\n        ResultSet<?> results = QueryFactory.nothing();\n        System.out.println(\"Query executed\");\n    }\n}","lang":"java","description":"Minimal usage of QueryFactory"},"warnings":[],"env_vars":null,"search_vec":"'collect':2,12,21 'cqengin':1 'engin':4,9 'index':6,19 'java':11 'latenc':17 'low':16 'nosql':5,18 'queri':3,8,20 'ultra':15 'ultra-low':14","created_at":"2026-06-17T19:34:25.829595+00:00","updated_at":"2026-06-17T19:34:25.829595+00:00","problems":[],"ecosystem":"maven","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"http://code.google.com/p/cqengine/","github":"https://github.com/npgall/cqengine","docs":"https://appdoc.app/artifact/com.googlecode.cqengine/cqengine/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["database"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}