http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/4e7d331e/datacollection/eventapi/index.html ---------------------------------------------------------------------- diff --git a/datacollection/eventapi/index.html b/datacollection/eventapi/index.html new file mode 100644 index 0000000..ac2f4a9 --- /dev/null +++ b/datacollection/eventapi/index.html @@ -0,0 +1,293 @@ +<!DOCTYPE html><html><head><title>Collecting Data through REST/SDKs</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Collecting Data through REST/SDKs"/><link rel="canonical" href="https://predictionio.incubator.apache.org/datacollection/eventapi/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link 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class="level-2"><a class="final" href="https://www.apache.org/foundation/sponsorship.html";><span>Sponsorship</span></a></li><li class="level-2"><a class="final" href="https://www.apache.org/foundation/thanks.html";><span>Thanks</span></a></li><li class="level-2"><a class="final" href="https://www.apache.org/security/";><span>Security</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Collecting and Analyzing Data</a><span class="spacer">></span></li><li><span class="last">Collecting Data with REST/SDKs</span></l i></ul></div><div id="page-title"><h1>Collecting Data through REST/SDKs</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#launching-the-event-server">Launching the Event Server</a> </li> <li> <a href="#using-event-api">Using Event API</a> </li> <li> <a href="#note-about-properties">Note About Properties</a> </li> <li> <a href="#debugging-recipes">Debugging Recipes</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/datacollection/eventapi.html.md";><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Collecting and Analyzing Data</a><span class="spacer">></span></li><li><span class="last">Collecting Data with REST/SDKs</span></li></ul></div><div id="page-title"><h1>Collecting Data throug h REST/SDKs</h1></div></div><div class="content"> <p><strong>Event Server</strong> is designed to collect data into Apache PredictionIO (incubating) in an event-based style. Once the Event Server is launched, your application can send data to it through its <strong>Event API</strong> with HTTP requests or with <code>EventClient</code>s of PredictionIO's SDKs.</p><div class="alert-message info"><p>All Apache PredictionIO (incubating)-compliant engines support accessing the Event Store (i.e. the data store of Event Server) through <a href="http://predictionio.incubator.apache.org/api/current/index.html#org.apache.predictionio.data.storage.package";>Apache PredictionIO (incubating)'s Storage API</a>.</p></div><h2 id='launching-the-event-server' class='header-anchors'>Launching the Event Server</h2><div class="alert-message info"><p>Before launching the Event Server, make sure that your event data store backend is properly configured and is running. By default, Apache PredictionI O (incubating) uses Apache HBase, and a quick configuration can be found <a href="/install/install-sourcecode/#hbase">here</a>. Please allow a minute (usually less than 30 seconds) after HBase is started for its initialization to complete before starting the Event Server.</p></div><p>Everything about Apache PredictionIO (incubating) can be done through the <code>pio</code> command. Please add PIO binary command path to to your <code>PATH</code> first. Assuming PredictionIO is installed at <code>/home/yourname/PredictionIO/</code>, you can run</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH +</pre></td></tr></tbody></table> </div> <p>To start the event server, run</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver +</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>By default, the Event Server is bound to 0.0.0.0, which serves global traffic. To tighten security, you may use <code>pio eventserver --ip 127.0.0.1</code> to serve only local traffic.</p></div><h3 id='check-server-status' class='header-anchors'>Check Server Status</h3><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X GET http://localhost:7070 +</pre></td></tr></tbody></table> </div> <p>Sample response:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7</pre></td><td class="code"><pre>HTTP/1.1 200 OK +Server: spray-can/1.2.1 +Date: Wed, 10 Sep 2014 22:37:30 GMT +Content-Type: application/json; <span class="nv">charset</span><span class="o">=</span>UTF-8 +Content-Length: 18 + +<span class="o">{</span><span class="s2">"status"</span>:<span class="s2">"alive"</span><span class="o">}</span> +</pre></td></tr></tbody></table> </div> <h3 id='generating-app-id-and-access-key' class='header-anchors'>Generating App ID and Access Key</h3><p>First, you need to create a new app in the Event Server. You will later send data into it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio app new MyTestApp +</pre></td></tr></tbody></table> </div> <blockquote> <p>You can replace <code>MyTestApp</code> with name of your App.</p></blockquote> <p>Take note of the <em>Access Key</em> and <em>App ID</em> generated. You need the <em>Access Key</em> to use the Event API. You should see something like the following output:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Created new app: +<span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Name: MyTestApp +<span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> ID: 6 +<span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Access Key: WPgcXKd42FPQpZHVbVeMyqF4CQJUnXQmIMTHhX3ZUrSzvy1KXJjdFUrslifa9rnB +</pre></td></tr></tbody></table> </div> <h3 id='creating-your-first-event' class='header-anchors'>Creating Your First Event</h3><p>You may connect to the Event Server with HTTP request or by using one of many <strong>Apache PredictionIO (incubating) SDKs</strong>.</p><p>For example, the following shows how one can create an event involving a single entity. Replace the value of <code>accessKey</code> by the <em>Access Key</em> generated for your App.</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-c632bd06-23a5-45a1-9628-1a3feb5047d3">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-c38bea85-1fa6-4627-b04c-32f69453861c">PHP SDK</a></li> <li data-lang="python"><a href="#tab-6af28f1f-54de-46a5-bcf2-b4eb2cd09acd">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-2a9c6633-7124-4090-b38e-64134103e9e7">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-a41e6c80-f45f-46f9-ba05-aa63bc55b5a7">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="b ash" id="tab-c632bd06-23a5-45a1-9628-1a3feb5047d3"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -i -X POST http://localhost:7070/events.json?accessKey<span class="o">=</span>WPgcXKd42FPQpZHVbVeMyqF4CQJUnXQmIMTHhX3ZUrSzvy1KXJjdFUrslifa9rnB <span class="se">\</span> +-H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span> +-d <span class="s1">'{ + "event" : "my_event", + "entityType" : "user", + "entityId" : "uid", + "properties" : { + "prop1" : 1, + "prop2" : "value2", + "prop3" : [1, 2, 3], + "prop4" : true, + "prop5" : ["a", "b", "c"], + "prop6" : 4.56 + } + "eventTime" : "2004-12-13T21:39:45.618-07:00" +}'</span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-c38bea85-1fa6-4627-b04c-32f69453861c"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21</pre></td> <td class="code"><pre><span class="cp"><?php</span> + <span class="k">require_once</span><span class="p">(</span><span class="s2">"vendor/autoload.php"</span><span class="p">);</span> + + <span class="k">use</span> <span class="nx">predictionio\EventClient</span><span class="p">;</span> + + <span class="nv">$accessKey</span> <span class="o">=</span> <span class="s1">'YOUR_ACCESS_KEY'</span><span class="p">;</span> + <span class="nv">$client</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">EventClient</span><span class="p">(</span><span class="nv">$accessKey</span><span class="p">);</span> + <span class="nv">$response</span> <span class="o">=</span> <span class="nv">$client</span><span class="o">-></span><span class="na">createEvent</span><span class="p">(</span><span class="k">array</span><span class="p">(</span> + <span class="s1">'event'</span> <span class="o">=></span> <span class="s1">'my_event'</span><span class="p">,</span> + <span class="s1">'entityType'</span> <span class="o">=></span> <span class="s1">'user'</span><span class="p">,</span> + <span class="s1">'entityId'</span> <span class="o">=></span> <span class="s1">'uid'</span><span class="p">,</span> + <span class="s1">'properties'</span> <span class="o">=></span> <span class="k">array</span><span class="p">(</span><span class="s1">'prop1'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> + <span class="s1">'prop2'</span> <span class="o">=></span> <span class="s1">'value2'</span><span class="p">,</span> + <span class="s1">'prop3'</span> <span class="o">=></span> <span class="k">array</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">),</span> + <span class="s1">'prop4'</span> <span class="o">=></span> <span class="kc">true</span><span class="p">,</span> + <span class="s1">'prop5'</span> <span class="o">=></span> <span class="k">array</span><span class="p">(</span><span class="s1">'a'</span><span class="p">,</span><span class="s1">'b'</span><span class="p">,</span><span class="s1">'c'</span><span class="p">),</span> + <span class="s1">'prop6'</span> <span class="o">=></span> <span class="mf">4.56</span> + <span class="p">),</span> + <span class="s1">'eventTime'</span> <span class="o">=></span> <span class="s1">'2004-12-13T21:39:45.618-07:00'</span> + <span class="p">));</span> +<span class="cp">?></span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-6af28f1f-54de-46a5-bcf2-b4eb2cd09acd"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22</pre></td> <td class="code"><pre><span class="kn">from</span> <span class="nn">predictionio</span> <span class="kn">import</span> <span class="n">EventClient</span> +<span class="kn">from</span> <span class="nn">datetime</span> <span class="kn">import</span> <span class="n">datetime</span> +<span class="kn">import</span> <span class="nn">pytz</span> +<span class="n">client</span> <span class="o">=</span> <span class="n">EventClient</span><span class="p">(</span><span class="s">'YOUR_ACCESS_KEY'</span><span class="p">,</span> <span class="s">"http://localhost:7070";</span><span class="p">)</span> + +<span class="n">first_event_properties</span> <span class="o">=</span> <span class="p">{</span> + <span class="s">"prop1"</span> <span class="p">:</span> <span class="mi">1</span><span class="p">,</span> + <span class="s">"prop2"</span> <span class="p">:</span> <span class="s">"value2"</span><span class="p">,</span> + <span class="s">"prop3"</span> <span class="p">:</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">],</span> + <span class="s">"prop4"</span> <span class="p">:</span> <span class="bp">True</span><span class="p">,</span> + <span class="s">"prop5"</span> <span class="p">:</span> <span class="p">[</span><span class="s">"a"</span><span class="p">,</span> <span class="s">"b"</span><span class="p">,</span> <span class="s">"c"</span><span class="p">],</span> + <span class="s">"prop6"</span> <span class="p">:</span> <span class="mf">4.56</span> <span class="p">,</span> + <span class="p">}</span> +<span class="n">first_event_time</span> <span class="o">=</span> <span class="n">datetime</span><span class="p">(</span> + <span class="mi">2004</span><span class="p">,</span> <span class="mi">12</span><span class="p">,</span> <span class="mi">13</span><span class="p">,</span> <span class="mi">21</span><span class="p">,</span> <span class="mi">39</span><span class="p">,</span> <span class="mi">45</span><span class="p">,</span> <span class="mi">618000</span><span class="p">,</span> <span class="n">pytz</span><span class="o">.</span><span class="n">timezone</span><span class="p">(</span><span class="s">'US/Mountain'</span><span class="p">))</span> +<span class="n">first_event_response</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">create_event</span><span class="p">(</span> + <span class="n">event</span><span class="o">=</span><span class="s">"my_event"</span><span class="p">,</span> + <span class="n">entity_type</span><span class="o">=</span><span class="s">"user"</span><span class="p">,</span> + <span class="n">entity_id</span><span class="o">=</span><span class="s">"uid"</span><span class="p">,</span> + <span class="n">properties</span><span class="o">=</span><span class="n">first_event_properties</span><span class="p">,</span> + <span class="n">event_time</span><span class="o">=</span><span class="n">first_event_time</span><span class="p">,</span> +<span class="p">)</span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-2a9c6633-7124-4090-b38e-64134103e9e7"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11</pre></td> <td class="code"><pre><span class="nb">require</span> <span class="s1">'predictionio'</span> + +<span class="n">event_client</span> <span class="o">=</span> <span class="no">PredictionIO</span><span class="o">::</span><span class="no">EventClient</span><span class="p">.</span><span class="nf">new</span><span class="p">(</span><span class="s1">'YOUR_ACCESS_KEY'</span><span class="p">)</span> +<span class="n">event_client</span><span class="p">.</span><span class="nf">create_event</span><span class="p">(</span><span class="s1">'my_event'</span><span class="p">,</span> <span class="s1">'user'</span><span class="p">,</span> <span class="s1">'uid'</span><span class="p">,</span> + <span class="s1">'eventTime'</span> <span class="o">=></span> <span class="s1">'2004-12-13T21:39:45.618-07:00'</span><span class="p">,</span> + <span class="s1">'properties'</span> <span class="o">=></span> <span class="p">{</span> <span class="s1">'prop1'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> + <span class="s1">'prop2'</span> <span class="o">=></span> <span class="s1">'value2'</span><span class="p">,</span> + <span class="s1">'prop3'</span> <span class="o">=></span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">],</span> + <span class="s1">'prop4'</span> <span class="o">=></span> <span class="kp">true</span><span class="p">,</span> + <span class="s1">'prop5'</span> <span class="o">=></span> <span class="sx">%w(a b c)</span><span class="p">,</span> + <span class="s1">'prop6'</span> <span class="o">=></span> <span class="mi">4</span><span class="o">.</span><span class="mi">56</span> <span class="p">})</span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-a41e6c80-f45f-46f9-ba05-aa63bc55b5a7"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span> +</pre></td> </tr></tbody></table> </div> </div> </div> <p>For example, the following shows how one can create an event involving two entities (with <code>targetEntity</code>).</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-a9d97152-3bac-4a15-8fe5-d25d311e631a">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-77599aa0-b5b5-48a7-b905-3afc703a2466">PHP SDK</a></li> <li data-lang="python"><a href="#tab-50bc8238-ae8d-4ac6-b46f-1dd74920ef78">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-49e03514-7516-47cd-b2d4-02bbecb1fa85">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-235a7e50-8e23-4cd0-87c2-dc645383f22a">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="bash" id="tab-a9d97152-3bac-4a15-8fe5-d25d311e631a"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -i -X POST http://localhost:7070/events.json?accessKey<span class="o">=</span>WPgcXKd42FPQpZHVbVeMyqF4CQJUnXQmIMTHhX3ZUrSzvy1KXJjdFUrslifa9rnB <span class="se">\</span> +-H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span> +-d <span class="s1">'{ + "event" : "my_event", + "entityType" : "user", + "entityId" : "uid", + "targetEntityType" : "item", + "targetEntityId" : "iid", + "properties" : { + "someProperty" : "value1", + "anotherProperty" : "value2" + }, + "eventTime" : "2004-12-13T21:39:45.618Z" +}'</span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-77599aa0-b5b5-48a7-b905-3afc703a2466"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18</pre></td> <td class="code"><pre><span class="cp"><?php</span> + <span class="k">require_once</span><span class="p">(</span><span class="s2">"vendor/autoload.php"</span><span class="p">);</span> + + <span class="k">use</span> <span class="nx">predictionio\EventClient</span><span class="p">;</span> + + <span class="nv">$accessKey</span> <span class="o">=</span> <span class="s1">'YOUR_ACCESS_KEY'</span><span class="p">;</span> + <span class="nv">$client</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">EventClient</span><span class="p">(</span><span class="nv">$accessKey</span><span class="p">);</span> + <span class="nv">$response</span> <span class="o">=</span> <span class="nv">$client</span><span class="o">-></span><span class="na">createEvent</span><span class="p">(</span><span class="k">array</span><span class="p">(</span> + <span class="s1">'event'</span> <span class="o">=></span> <span class="s1">'my_event'</span><span class="p">,</span> + <span class="s1">'entityType'</span> <span class="o">=></span> <span class="s1">'user'</span><span class="p">,</span> + <span class="s1">'entityId'</span> <span class="o">=></span> <span class="s1">'uid'</span><span class="p">,</span> + <span class="s1">'targetEntityType'</span> <span class="o">=></span> <span class="s1">'item'</span><span class="p">,</span> + <span class="s1">'targetEntityId'</span> <span class="o">=></span> <span class="s1">'iid'</span><span class="p">,</span> + <span class="s1">'properties'</span> <span class="o">=></span> <span class="k">array</span><span class="p">(</span><span class="s1">'someProperty'</span><span class="o">=></span><span class="s1">'value1'</span><span class="p">,</span> + <span class="s1">'anotherProperty'</span><span class="o">=></span><span class="s1">'value2'</span><span class="p">),</span> + <span class="s1">'eventTime'</span> <span class="o">=></span> <span class="s1">'2004-12-13T21:39:45.618Z'</span> + <span class="p">));</span> +<span class="cp">?></span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-50bc8238-ae8d-4ac6-b46f-1dd74920ef78"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13</pre></td> <td class="code"><pre><span class="c"># Second Event</span> +<span class="n">second_event_properties</span> <span class="o">=</span> <span class="p">{</span> + <span class="s">"someProperty"</span> <span class="p">:</span> <span class="s">"value1"</span><span class="p">,</span> + <span class="s">"anotherProperty"</span> <span class="p">:</span> <span class="s">"value2"</span><span class="p">,</span> + <span class="p">}</span> +<span class="n">second_event_response</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">create_event</span><span class="p">(</span> + <span class="n">event</span><span class="o">=</span><span class="s">"my_event"</span><span class="p">,</span> + <span class="n">entity_type</span><span class="o">=</span><span class="s">"user"</span><span class="p">,</span> + <span class="n">entity_id</span><span class="o">=</span><span class="s">"uid"</span><span class="p">,</span> + <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span> + <span class="n">target_entity_id</span><span class="o">=</span><span class="s">"iid"</span><span class="p">,</span> + <span class="n">properties</span><span class="o">=</span><span class="n">second_event_properties</span><span class="p">,</span> + <span class="n">event_time</span><span class="o">=</span><span class="n">datetime</span><span class="p">(</span><span class="mi">2014</span><span class="p">,</span> <span class="mi">12</span><span class="p">,</span> <span class="mi">13</span><span class="p">,</span> <span class="mi">21</span><span class="p">,</span> <span class="mi">38</span><span class="p">,</span> <span class="mi">45</span><span class="p">,</span> <span class="mi">618000</span><span class="p">,</span> <span class="n">pytz</span><span class="o">.</span><span class="n">utc</span><span class="p">))</span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-49e03514-7516-47cd-b2d4-02bbecb1fa85"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7 +8 +9</pre></td> <td class="code"><pre><span class="nb">require</span> <span class="s1">'predictionio'</span> + +<span class="n">event_client</span> <span class="o">=</span> <span class="no">PredictionIO</span><span class="o">::</span><span class="no">EventClient</span><span class="p">.</span><span class="nf">new</span><span class="p">(</span><span class="s1">'YOUR_ACCESS_KEY'</span><span class="p">)</span> +<span class="n">event_client</span><span class="p">.</span><span class="nf">create_event</span><span class="p">(</span><span class="s1">'my_event'</span><span class="p">,</span> <span class="s1">'user'</span><span class="p">,</span> <span class="s1">'uid'</span><span class="p">,</span> + <span class="s1">'targetEntityType'</span> <span class="o">=></span> <span class="s1">'item'</span><span class="p">,</span> + <span class="s1">'targetEntityId'</span> <span class="o">=></span> <span class="s1">'iid'</span><span class="p">,</span> + <span class="s1">'eventTime'</span> <span class="o">=></span> <span class="s1">'2004-12-13T21:39:45.618Z'</span><span class="p">,</span> + <span class="s1">'properties'</span> <span class="o">=></span> <span class="p">{</span> <span class="s1">'someProperty'</span> <span class="o">=></span> <span class="s1">'value1'</span><span class="p">,</span> + <span class="s1">'anotherProperty'</span> <span class="o">=></span> <span class="s1">'value2'</span> <span class="p">})</span> +</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-235a7e50-8e23-4cd0-87c2-dc645383f22a"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span> +</pre></td> </tr></tbody></table> </div> </div> </div> <p>Sample response:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1 +2 +3 +4 +5 +6 +7</pre></td><td class="code"><pre>HTTP/1.1 201 Created +Server: spray-can/1.2.1 +Date: Wed, 10 Sep 2014 22:51:33 GMT +Content-Type: application/json; <span class="nv">charset</span><span class="o">=</span>UTF-8 +Content-Length: 41 + +<span class="o">{</span><span class="s2">"eventId"</span>:<span class="s2">"AAAABAAAAQDP3-jSlTMGVu0waj8"</span><span class="o">}</span> +</pre></td></tr></tbody></table> </div> <h2 id='using-event-api' class='header-anchors'>Using Event API</h2><h3 id='event-creation-api' class='header-anchors'>Event Creation API</h3><p>URL: <code>http://localhost:7070/events.json?accessKey=yourAccessKeyString</code></p><p>Query parameters:</p> <table><thead> <tr> <th style="text-align: left">Field</th> <th style="text-align: left">Type</th> <th style="text-align: left">Description</th> </tr> </thead><tbody> <tr> <td style="text-align: left"><code>accessKey</code></td> <td style="text-align: left">String</td> <td style="text-align: left">The Access Key for your App</td> </tr> </tbody></table> <p>The event creation support many commonly used data. POST request body:</p> <table><thead> <tr> <th style="text-align: left">Field</th> <th style="text-align: left">Type</th> <th style="text-align: left">Description</th> </tr> </thead><tbody> <tr> <td style="text-align: left"><code>event</code></td> <td style="text-align: left">String</td> <td style="text-align: left">Name of the event.</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">(Examples: "sign-up", "rate", "view", "buy").</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left"><strong>Note</strong>: All event names start with "$" and "pio_" are reserved</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">and shouldn't be used as your custom event name (eg. "$set").</td> </tr> <tr> <td style="text-align: left"><code>entityType</code></td> <td style="text-align: left">String</td> <td style="text-align: left">The entity type. It is the namespace of the entityId and</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">analogous to the table name of a relational database. The</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">entityId must be unique within same entityType.</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left"><strong>Note</strong>: All entityType names start with "$" and "pio_" are</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">reserved and shouldn't be used.</td> </tr> <tr> <td style="text-align: left"><code>entityId</code></td> <td style="text-align: left">String</td> <td style="text-align: left">The entity ID. <code>entityType-entityId</code> becomes the unique</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">identifier of the entity. For example, you may have entityType</td> </tr> <tr> <td style="text-align: left"></td> <td style ="text-align: left"></td> <td style="text-align: left">named <code>user</code>, and different entity IDs, say <code>1</code> and <code>2</code>. In this</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">case, <code>user-1</code> and <code>user-2</code> uniquely identifies</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">entities.</td> </tr> <tr> <td style="text-align: left"><code>targetEntityType</code></td> <td style="text-align: left">String</td> <td style="text-align: left">(Optional) The target entity type.</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left"><strong>Note</strong>: All entityType names start with "$" and "pio_"</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">are reserved and shouldn' t be used.</td> </tr> <tr> <td style="text-align: left"><code>targetEntityId</code></td> <td style="text-align: left">String</td> <td style="text-align: left">(Optional) The target entity ID.</td> </tr> <tr> <td style="text-align: left"><code>properties</code></td> <td style="text-align: left">JSON</td> <td style="text-align: left">(Optional) See <strong>Note About Properties</strong> below</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left"><strong>Note</strong>: All peroperty names start with "$" and "pio_"</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">are reserved and shouldn't be used as keys inside <code>properties</code>.</td> </tr> <tr> <td style="text-align: left"><code>eventTime</code></td> <td style="text-align: left">String</td> <td style="text-align: left">(Optional) The time of the event. Although Event Server's< /td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">current system time and UTC timezone will be used if this is</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">unspecified, it is highly recommended that this time should be</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">generated by the client application in order to accurately</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">record the time of the event.</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left">Must be in ISO 8601 format (e.g.</td> </tr> <tr> <td style="text-align: left"></td> <td style="text-align: left"></td> <td style="text-align: left"><code>2004-12-13T21:39:45.618Z</code>, or <code>2014-09-09T16 :17:42.937-08:00</code>).</td> </tr> </tbody></table> <h2 id='note-about-properties' class='header-anchors'>Note About Properties</h2><p>Note that <code>properties</code> can be:</p> <ol> <li>Associated with an <em>generic event</em>: The <code>properties</code> field provide additional information about this event</li> <li>Associated with an <em>entity</em>: The <code>properties</code> field is used to record the changes of an entity's properties with special events <code>$set</code>, <code>$unset</code> and <code>$delete</code>.</li> </ol> <p>Please see the <a href="/datacollection/eventmodel/">Events Modeling</a> for detailed explanation.</p><h2 id='debugging-recipes' class='header-anchors'>Debugging Recipes</h2><div class="alert-message warning"><p>The following API are mainly for development or debugging purpose only. They should not be supported by SDK nor used by real application under normal circumstances and they are subject to changes.</p></div><div class="alert-messag e info"><p>Instead of using <code>curl</code>, you can also install JSON browser plugins such as <strong>JSONView</strong> to pretty-print the JSON on your browser. With the browser plugin you can make the <code>GET</code> queries below by passing in the URL. Plugins like <strong>Postman - REST Client</strong> provide a more advanced interface for making queries.</p></div><p>The <code>accessKey</code> query parameter is mandatory.</p><p>Replace <code><your_accessKey></code> and <code><your_eventId></code> by a real one in the following:</p><h3 id='get-an-event' class='header-anchors'>Get an Event</h3><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X GET http://localhost:7070/events/<your_eventId>.json?accessKey<span class="o">=</span><your_accessKey> +</pre></td></tr></tbody></table> </div> <h3 id='delete-an-event' class='header-anchors'>Delete an Event</h3><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X DELETE http://localhost:7070/events/<your_eventId>.json?accessKey<span class="o">=</span><your_accessKey> +</pre></td></tr></tbody></table> </div> <h3 id='get-events-of-an-app' class='header-anchors'>Get Events of an App</h3><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X GET http://localhost:7070/events.json?accessKey<span class="o">=</span><your_accessKey> +</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>By default, it returns at most 20 events. Use the <code>limit</code> parameter to specify how many events returned (see below). Use cautiously!</p></div><p>In addition, the following <em>optional</em> parameters are supported:</p> <ul> <li><code>startTime</code>: time in ISO8601 format. Return events with <code>eventTime >= startTime</code>.</li> <li><code>untilTime</code>: time in ISO8601 format. Return events with <code>eventTime < untilTime</code>.</li> <li><code>entityType</code>: String. The entityType. Return events for this <code>entityType</code> only.</li> <li><code>entityId</code>: String. The entityId. Return events for this <code>entityId</code> only.</li> <li><code>event</code>: String. The event name. Return events with this name only.</li> <li><code>targetEntityType</code>: String. The targetEntityType. Return events for this <code>targetEntityType</code> only.</li> <li><code>targetEntity Id</code>: String. The targetEntityId. Return events for this <code>targetEntityId</code> only.</li> <li><code>limit</code>: Integer. The number of record events returned. Default is 20. -1 to get all.</li> <li><code>reversed</code>: Boolean. <strong>Must be used with both <code>entityType</code> and <code>entityId</code> specified</strong>, returns events in reversed chronological order. Default is false.</li> </ul> <div class="alert-message warning"><p>If you are using <code>curl</code> with the <code>&</code> symbol, you should quote the entire URL by using single or double quotes.</p></div><div class="alert-message warning"><p>Depending on the size of data, you may encounter timeout when querying with some of the above filters. Event server uses <code>entityType</code> and <code>entityId</code> as the key so any query without both <code>entityType</code> and <code>entityId</code> specified might result in a timeout.</p></div><p>For example, get all events of an app with <cod e>eventTime >= startTime</code></p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X GET <span class="s2">"http://localhost:7070/events.json?accessKey=<your_accessKey>&startTime=<time in ISO8601 format>"</span> +</pre></td></tr></tbody></table> </div> <p>For example, get all events of an app with <code>eventTime < untilTime</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X GET <span class="s2">"http://localhost:7070/events.json?accessKey=<your_accessKey>&untilTime=<time in ISO8601 format>"</span> +</pre></td></tr></tbody></table> </div> <p>For example, get all events of an app with <code>eventTime >= startTime</code> and <code>eventTime < untilTime</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X GET <span class="s2">"http://localhost:7070/events.json?accessKey=<your_accessKey>&startTime=<time in ISO8601 format>&untilTime=<time in ISO8601 format>"</span> +</pre></td></tr></tbody></table> </div> <p>For example, get all events of a specific entity with <code>eventTime < untilTime</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>curl -i -X GET <span class="s2">"http://localhost:7070/events.json?accessKey=<your_accessKey>&entityType=<your_entityType>&entityId=<your_entityId>&untilTime=<time in ISO801 format>"</span> +</pre></td></tr></tbody></table> </div> <h3 id='delete-all-events-of-an-app' class='header-anchors'>Delete All Events of an App</h3><p>Please use the following CLI command:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio app data-delete <your_app_name> +</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>See <a href="/cli/#event-server-commands">here</a> to know details of command-line interface for the event server.</p></div></div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//predictionio.incubator.apache.org/install/" target="blank">Download</a></li><li><a href="//predictionio.incubator.apache.org/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">GitHub</a></li><li><a href="mailto:[email protected]"; target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul ><li><a href="//predictionio.incubator.apache.org/community/contribute-code/" >target="blank">Contribute</a></li><li><a >href="//github.com/apache/incubator-predictionio" target="blank">Source >Code</a></li><li><a href="//issues.apache.org/jira/browse/PIO" >target="blank">Bug Tracker</a></li><li><a >href="mailto:[email protected]"; >target="blank">Subscribe to Development Mailing >List</a></li></ul></div></div></div><div class="row"><div class="col-md-12 >footer-link-column"><p>Apache PredictionIO, PredictionIO, Apache, the Apache >feather logo, and the Apache PredictionIO project logo are either registered >trademarks or trademarks of The Apache Software Foundation in the United >States and other countries.</p><p>All other marks mentioned may be trademarks >or registered trademarks of their respective owners.</p></div></div><div >class="row"><div class="col-md-12 footer-link-column"><a class="pull-right" >href="http://incubator.apache.org/projects/predictionio.html";> <img alt="Apache Incubator" src="/images/logos/apache_incubator-6954bd16.png"/></a><span>Apache PredictionIO is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. 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