{"id":149,"date":"2013-07-08T14:58:56","date_gmt":"2013-07-08T12:58:56","guid":{"rendered":"http:\/\/www.uzh.ch\/blog\/ifi-ddis\/?p=149"},"modified":"2013-07-08T14:59:53","modified_gmt":"2013-07-08T12:59:53","slug":"cassandra-integration-for-esper-released","status":"publish","type":"post","link":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/2013\/07\/08\/cassandra-integration-for-esper-released\/","title":{"rendered":"Cassandra integration for Esper released"},"content":{"rendered":"<p>The\u00a0<a href=\"http:\/\/www.ifi.uzh.ch\/ddis\">DDIS group<\/a>\u00a0at UZH released the first version of the cassandra-esper library at Maven central. The cassandra-esper\u00a0library integrates Apache Cassandra via virtual data windows into\u00a0the\u00a0<a title=\"Esper complex event processing engine\" href=\"http:\/\/esper.codehaus.org\/\">Esper complex event processing engine<\/a>.<\/p>\n<p><!--more--><\/p>\n<p>The ViSTA-TV engine can now directly query the data warehouse\u2019s key-value store from its complex event processing part. Queries can be directly expressed as part of statements in the Esper Event Processing Language (EPL).<\/p>\n<p>Further, the\u00a0<a href=\"http:\/\/www.ifi.uzh.ch\/ddis\">DDIS group<\/a>\u00a0also released the\u00a0testng4esper library at Maven central. The testng4esper library facilitates writing\u00a0<a href=\"http:\/\/testng.org\/\" target=\"_blank\">TestNG<\/a>\u00a0tests for programs using the\u00a0<a title=\"Esper complex event processing engine\" href=\"http:\/\/esper.codehaus.org\/\">Esper complex event processing engine<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The\u00a0DDIS group\u00a0at UZH released the first version of the cassandra-esper library at Maven central. The cassandra-esper\u00a0library integrates Apache Cassandra via virtual data windows into\u00a0the\u00a0Esper complex event processing engine.<\/p>\n","protected":false},"author":67,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,14],"tags":[],"class_list":["post-149","post","type-post","status-publish","format-standard","hentry","category-complex-event-processing","category-vista-tv"],"_links":{"self":[{"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/posts\/149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/users\/67"}],"replies":[{"embeddable":true,"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/comments?post=149"}],"version-history":[{"count":3,"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/posts\/149\/revisions"}],"predecessor-version":[{"id":152,"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/posts\/149\/revisions\/152"}],"wp:attachment":[{"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/media?parent=149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/categories?post=149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.uzh.ch\/blog\/ifi-ddis\/wp-json\/wp\/v2\/tags?post=149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}