Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.octo.monitoring_flux.cep.esper; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectReader; import com.octo.monitoring_flux.cep.processor.ComputeGlobalSlaProcessor; import com.octo.monitoring_flux.cep.processor.Esper2ElasticsearchProcessor; import com.octo.monitoring_flux.cep.MonitoringEvent; import org.apache.camel.builder.RouteBuilder; import org.apache.camel.component.mock.MockEndpoint; import org.apache.camel.test.junit4.CamelTestSupport; import org.junit.Ignore; import org.junit.Test; import java.util.Map; /** * This class test connectivity to ZeroMQ. */ public class EsperComponentTest extends CamelTestSupport { /** * Sample Messages. */ private String FRONTEND_BEGIN = "{\"begin_timestamp\":\"2015-02-27T16:45:58.489+01:00\",\"endpoint\":\"POST /messages\"," + "\"module_id\":\"MonitoringBase_octo-clu_36861\",\"module_type\":\"MonitoringBase\",\"correlation_id\":" + "\"MonitoringBase_octo-clu_36861_2015-02-27 15:45:58 UTC_8892ee31-59fe-4597-a8dd-f9cecd2d2742\",\"message_type\":\"Begin call\"," + "\"params\":{\"numberOfMessages\":\"1\",\"timeToSpend\":\"1\"},\"env\":" + "{\"CONTENT_LENGTH\":\"32\",\"CONTENT_TYPE\":\"application/x-www-form-urlencoded; charset=UTF-8\",\"GATEWAY_INTERFACE\":\"CGI/1.1\"," + "\"PATH_INFO\":\"/messages\",\"QUERY_STRING\":\"\",\"REMOTE_ADDR\":\"::1\",\"REMOTE_HOST\":\"localhost\",\"REQUEST_METHOD\":\"POST\"," + "\"REQUEST_URI\":\"http://localhost:9292/messages\",\"SCRIPT_NAME\":\"\",\"SERVER_NAME\":\"localhost\",\"SERVER_PORT\":\"9292\"," + "\"SERVER_PROTOCOL\":\"HTTP/1.1\",\"SERVER_SOFTWARE\":\"WEBrick/1.3.1 (Ruby/2.0.0/2014-05-08)\",\"HTTP_HOST\":\"localhost:9292\"," + "\"HTTP_CONNECTION\":\"keep-alive\",\"HTTP_ACCEPT\":\"*/*\",\"HTTP_ORIGIN\":\"http://localhost:9292\",\"HTTP_X_REQUESTED_WITH\":" + "\"XMLHttpRequest\",\"HTTP_USER_AGENT\":\"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36\"," + "\"HTTP_REFERER\":\"http://localhost:9292/index.html\",\"HTTP_ACCEPT_ENCODING\":\"gzip, deflate\",\"HTTP_ACCEPT_LANGUAGE\":\"fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4\"," + "\"HTTP_VERSION\":\"HTTP/1.1\",\"REQUEST_PATH\":\"/messages\"},\"timestamp\":\"2015-02-27T16:45:58.489+01:00\"}"; /** * Sample Messages. */ private String FRONTEND_STARTCALL = "{\"headers\":" + " {\"content_type\":\"application/json\"," + " \"X-Correlation-id\":\"MonitoringBase_octo-clu_36861_2015-02-27 15:45:58 UTC_8892ee31-59fe-4597-a8dd-f9cecd2d2742\"," + " \"X-Starting-Timestamp\":\"2015-02-27T16:45:58.503+01:00\"}," + "\"begin_timestamp\":\"2015-02-27T16:45:58.503+01:00\"," + "\"module_type\":\"MonitoringBase\",\"message_type\":\"Begin call middle end service\"," + "\"params\":{\"numberOfMessages\":\"1\",\"timeToSpend\":\"1\"}," + "\"env\":{\"CONTENT_LENGTH\":\"32\",\"CONTENT_TYPE\":\"application/x-www-form-urlencoded; charset=UTF-8\"," + " \"GATEWAY_INTERFACE\":\"CGI/1.1\",\"PATH_INFO\":\"/messages\",\"QUERY_STRING\":\"\",\"REMOTE_ADDR\":\"::1\"," + " \"REMOTE_HOST\":\"localhost\",\"REQUEST_METHOD\":\"POST\",\"REQUEST_URI\":\"http://localhost:9292/messages\"," + " \"SCRIPT_NAME\":\"\",\"SERVER_NAME\":\"localhost\",\"SERVER_PORT\":\"9292\",\"SERVER_PROTOCOL\":\"HTTP/1.1\"," + " \"SERVER_SOFTWARE\":\"WEBrick/1.3.1 (Ruby/2.0.0/2014-05-08)\",\"HTTP_HOST\":\"localhost:9292\"," + " \"HTTP_CONNECTION\":\"keep-alive\",\"HTTP_ACCEPT\":\"*/*\",\"HTTP_ORIGIN\":\"http://localhost:9292\"," + " \"HTTP_X_REQUESTED_WITH\":\"XMLHttpRequest\",\"HTTP_USER_AGENT\":\"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36\"," + " \"HTTP_REFERER\":\"http://localhost:9292/index.html\",\"HTTP_ACCEPT_ENCODING\":\"gzip, deflate\"," + " \"HTTP_ACCEPT_LANGUAGE\":\"fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4\",\"HTTP_VERSION\":\"HTTP/1.1\",\"REQUEST_PATH\":\"/messages\"}," + "\"service_url\":\"/endpoint2\",\"endpoint\":\"POST /messages\",\"module_id\":\"MonitoringBase_octo-clu_36861\"," + "\"payload\":{\"numberOfMessages\":1,\"timeToSpend\":1}," + "\"correlation_id\":\"MonitoringBase_octo-clu_36861_2015-02-27 15:45:58 UTC_8892ee31-59fe-4597-a8dd-f9cecd2d2742\"," + "\"timestamp\":\"2015-02-27T16:45:58.503+01:00\"}"; private String FRONTEND_ENDCALL = "{\"headers\":" + " {\"content_type\":\"application/json\"," + " \"X-Correlation-id\":\"MonitoringBase_octo-clu_36861_2015-02-27 15:45:58 UTC_8892ee31-59fe-4597-a8dd-f9cecd2d2742\"," + " \"X-Starting-Timestamp\":\"2015-02-27T16:45:58.503+01:00\"}," + "\"begin_timestamp\":\"2015-02-27T16:45:58.503+01:00\"," + "\"module_type\":\"MonitoringBase\",\"message_type\":\"End call middle end service\"," + "\"params\":{\"numberOfMessages\":\"1\",\"timeToSpend\":\"1\"}," + "\"env\":{\"CONTENT_LENGTH\":\"32\",\"CONTENT_TYPE\":\"application/x-www-form-urlencoded; charset=UTF-8\"," + " \"GATEWAY_INTERFACE\":\"CGI/1.1\",\"PATH_INFO\":\"/messages\",\"QUERY_STRING\":\"\",\"REMOTE_ADDR\":\"::1\"," + " \"REMOTE_HOST\":\"localhost\",\"REQUEST_METHOD\":\"POST\",\"REQUEST_URI\":\"http://localhost:9292/messages\"," + " \"SCRIPT_NAME\":\"\",\"SERVER_NAME\":\"localhost\",\"SERVER_PORT\":\"9292\",\"SERVER_PROTOCOL\":\"HTTP/1.1\"," + " \"SERVER_SOFTWARE\":\"WEBrick/1.3.1 (Ruby/2.0.0/2014-05-08)\",\"HTTP_HOST\":\"localhost:9292\"," + " \"HTTP_CONNECTION\":\"keep-alive\",\"HTTP_ACCEPT\":\"*/*\",\"HTTP_ORIGIN\":\"http://localhost:9292\"," + " \"HTTP_X_REQUESTED_WITH\":\"XMLHttpRequest\",\"HTTP_USER_AGENT\":\"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36\"," + " \"HTTP_REFERER\":\"http://localhost:9292/index.html\",\"HTTP_ACCEPT_ENCODING\":\"gzip, deflate\"," + " \"HTTP_ACCEPT_LANGUAGE\":\"fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4\",\"HTTP_VERSION\":\"HTTP/1.1\",\"REQUEST_PATH\":\"/messages\"}," + "\"result\":{\"code\":200,\"content\":{\"status\":\"OK\"}}," + "\"service_url\":\"/endpoint2\",\"endpoint\":\"POST /messages\",\"module_id\":\"MonitoringBase_octo-clu_36861\"," + "\"end_timestamp\":\"2015-02-27T16:45:58.518+01:00\"," + "\"payload\":{\"numberOfMessages\":1,\"timeToSpend\":1}," + "\"elapsed_time\":0.015346," + "\"correlation_id\":\"MonitoringBase_octo-clu_36861_2015-02-27 15:45:58 UTC_8892ee31-59fe-4597-a8dd-f9cecd2d2742\"," + "\"timestamp\":\"2015-02-27T16:45:58.518+01:00\"}"; /** * Sample communication test. * * @throws Exception */ @Test @Ignore public void testCEP() throws Exception { // read sample as event ObjectReader jacksonReader = new ObjectMapper().reader(Map.class); MonitoringEvent frontBegin = new MonitoringEvent(jacksonReader.readValue(FRONTEND_BEGIN)); MonitoringEvent frontStartCall = new MonitoringEvent(jacksonReader.readValue(FRONTEND_STARTCALL)); MonitoringEvent frontEndCall = new MonitoringEvent(jacksonReader.readValue(FRONTEND_ENDCALL)); MockEndpoint mockSLA = getMockEndpoint("mock:unit-sla"); template.sendBody("direct:start", frontBegin); for (int i = 0; i < 20; i++) { template.sendBody("direct:start", frontStartCall); Thread.sleep(i * 100); // Correct the elasped time frontEndCall.setElapsedTime(new Double(i) / 10); // Slowing down template.sendBody("direct:start", frontEndCall); } // Asserts mockSLA.expectedMinimumMessageCount(9); assertMockEndpointsSatisfied(); } @Override protected RouteBuilder createRouteBuilder() throws Exception { return new RouteBuilder() { public void configure() { // Send message to esper from("direct:start").to("esper://monitoring"); // Throttling from("esper://monitoring?eql=" + "insert into TicksPerSecond " + "select correlationId, count(*) as cnt " + "from " + MonitoringEvent.class.getCanonicalName() + ".win:time_batch(1 sec) " + "group by correlationId").to("esper://monitoring"); from("esper://monitoring?eql=" + "insert into Moyenne10s " + "select correlationId, avg(cnt) as avgCnt, cnt as MsgCnt " + "from TicksPerSecond.win:time(10 sec) " + "group by correlationId") .to("bean:" + DisplayMsgCount.class.getName()); // Global SLA from("esper://monitoring?eql=" + "insert into tmpGlobalSLA " + "select correlationId, MIN(timeStamp) as mini, MAX(timeStamp) as maxi " + "from " + MonitoringEvent.class.getCanonicalName() + ".win:time_batch(5 sec) " + "group by correlationId").to("esper://monitoring"); from("esper://monitoring?eql=" + "insert into GlobalSLA " + "select correlationId, mini, maxi, 0 as elasped " + "from tmpGlobalSLA.win:time_batch(4 sec) ") .to("bean:" + ComputeGlobalSlaProcessor.class.getName()).// to("esper://monitoring"); // UnitSLA from("esper://monitoring?eql=" + "insert into UnitSla " + "select moduleType, elapsedTime " + "from " + MonitoringEvent.class.getCanonicalName() + ".win:time_batch(1 sec) where elapsedTime is not null").to("esper://monitoring"); // ===================================== // Throttling Violations from("esper://monitoring?eql=" + "select correlationId, avgCnt " + "from Moyenne10s.win:time_batch(10 sec) where avgCnt > 3 ").// to("bean:" + Esper2ElasticsearchProcessor.class.getName()).to("mock:throttling"); // Unitary SLA from("esper://monitoring?eql=" + "select moduleType, elapsedTime " + "from UnitSla.win:time_batch(5 sec) " + "where elapsedTime > 0.3").// to("bean:" + Esper2ElasticsearchProcessor.class.getName()).to("mock:unit-sla"); // Global SLA from("esper://monitoring?eql=" + "select correlationId, elasped " + "from GlobalSLA.win:time_batch(5 sec) " + "where elasped > 5").// to("bean:" + Esper2ElasticsearchProcessor.class.getName()).to("mock:global-sla"); } }; } }