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In this demo, we make use of Saga to ensure eventual data consistency among services, the payment is only executed after car rental, flight booking, and hotel-reservation are completed.</p> + +<p>Travel application demo including four services</p> +<ul> + <li>flight booking service</li> + <li>car rental service</li> + <li>hotel reservation service</li> + <li>payment service</li> +</ul> + +<p><img src="/assets/images/saga-demo.png" alt="Saga-demo" /></p> + +<h2 id="running-demo">Running Demo</h2> + +<p>Note, demo is in the <a href="https://github.com/ServiceComb/ServiceComb-Saga";>ServiceComb-Saga</a> project.</p> + +<ol> + <li>Prerequisites + <ul> + <li><a href="http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html";>Oracle JDK 1.8</a></li> + <li><a href="https://maven.apache.org/install.html";>Maven 3.x</a></li> + <li><a href="https://www.docker.com/get-docker";>Docker</a></li> + <li><a href="https://dev.mysql.com/downloads/";>MySQL</a></li> + <li><a href="https://github.com/ServiceComb/service-center";>Service Center</a></li> + <li><a href="https://docs.docker.com/compose/install/";>Docker compose</a></li> + </ul> + </li> + <li> + <p>Configuration + Set service center address of each microservice in <em>microservice.yaml</em> file</p> + + <div class="language-yaml highlighter-rouge"><pre class="highlight"><code> <span class="s">APPLICATION_ID</span><span class="pi">:</span> <span class="s">saga</span> + <span class="s">service_description</span><span class="pi">:</span> + <span class="s">name</span><span class="pi">:</span> <span class="s">flight-booking-service</span> + <span class="s">version</span><span class="pi">:</span> <span class="s">0.0.1</span> + <span class="s">cse</span><span class="pi">:</span> + <span class="s">service</span><span class="pi">:</span> + <span class="s">registry</span><span class="pi">:</span> + <span class="s">address</span><span class="pi">:</span> <span class="s">http://sc.servicecomb.io:30100</span> <span class="c1">#choose Service Center provided by ServiceComb</span> + <span class="s">rest</span><span class="pi">:</span> + <span class="s">address</span><span class="pi">:</span> <span class="s">0.0.0.0:8080</span> + <span class="s">handler</span><span class="pi">:</span> + <span class="s">chain</span><span class="pi">:</span> + <span class="s">Consumer</span><span class="pi">:</span> + <span class="s">default</span><span class="pi">:</span> <span class="s">loadbalance</span> +</code></pre> + </div> + + <p>Set deployment script in <em>saga-demo/docker-compose.yaml</em> file</p> + + <div class="language-yaml highlighter-rouge"><pre class="highlight"><code> <span class="s">version</span><span class="pi">:</span> <span class="s1">'</span><span class="s">2.1'</span> + + <span class="s">services</span><span class="pi">:</span> + <span class="s">service-center</span><span class="pi">:</span> <span class="c1">#choose Service Center image provided by ServiceComb</span> + <span class="s">image</span><span class="pi">:</span> <span class="s2">"</span><span class="s">servicecomb/service-center"</span> + <span class="s">hostname</span><span class="pi">:</span> <span class="s">service-center</span> + <span class="s">ports</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">30100:30100"</span> + + <span class="s">mysql</span><span class="pi">:</span> <span class="c1">#choose mysql image with 5.7 version</span> + <span class="s">image</span><span class="pi">:</span> <span class="s2">"</span><span class="s">mysql/mysql-server:5.7"</span> + <span class="s">hostname</span><span class="pi">:</span> <span class="s">mysql</span> + <span class="s">environment</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s">MYSQL_ROOT_PASSWORD=password</span> + <span class="pi">-</span> <span class="s">MYSQL_DATABASE=saga</span> + <span class="pi">-</span> <span class="s">MYSQL_USER=saga</span> + <span class="pi">-</span> <span class="s">MYSQL_PASSWORD=password</span> + <span class="s">ports</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">3306:3306"</span> + <span class="s">healthcheck</span><span class="pi">:</span> + <span class="s">test</span><span class="pi">:</span> <span class="pi">[</span><span class="s2">"</span><span class="s">CMD-SHELL"</span><span class="pi">,</span> <span class="s2">"</span><span class="s">nc</span><span class="nv"> </span><span class="s">-z</span><span class="nv"> </span><span class="s">localhost</span><span class="nv"> </span><span class="s">3306</span><span class="nv"> </span><span class="s">&></span><span class="nv"> </span><span class="s">/dev/null;</span><span class="nv"> </span><span class="s">echo</span><span class="nv"> </span><span class="s">$$?"</span><span class="pi">]</span> + <span class="s">interval</span><span class="pi">:</span> <span class="s">30s</span> + <span class="s">timeout</span><span class="pi">:</span> <span class="s">10s</span> + <span class="s">retries</span><span class="pi">:</span> <span class="s">5</span> + + <span class="s">car-rental-service</span><span class="pi">:</span> + <span class="s">image</span><span class="pi">:</span> <span class="s2">"</span><span class="s">car-rental-service:0.0.2-SNAPSHOT"</span> + <span class="s">hostname</span><span class="pi">:</span> <span class="s">car</span> + <span class="s">links</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">service-center:sc.servicecomb.io"</span> + <span class="s">ports</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">8080:8080"</span> + + <span class="s">flight-booking-service</span><span class="pi">:</span> + <span class="s">image</span><span class="pi">:</span> <span class="s2">"</span><span class="s">flight-booking-service:0.0.2-SNAPSHOT"</span> + <span class="s">hostname</span><span class="pi">:</span> <span class="s">flight</span> + <span class="s">links</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">service-center:sc.servicecomb.io"</span> + <span class="s">ports</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">8081:8080"</span> + + <span class="s">hotel-reservation-service</span><span class="pi">:</span> + <span class="s">image</span><span class="pi">:</span> <span class="s2">"</span><span class="s">hotel-reservation-service:0.0.2-SNAPSHOT"</span> + <span class="s">hostname</span><span class="pi">:</span> <span class="s">hotel</span> + <span class="s">links</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">service-center:sc.servicecomb.io"</span> + <span class="s">ports</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">8082:8080"</span> + + <span class="s">payment-service</span><span class="pi">:</span> + <span class="s">image</span><span class="pi">:</span> <span class="s2">"</span><span class="s">payment-service:0.0.2-SNAPSHOT"</span> + <span class="s">hostname</span><span class="pi">:</span> <span class="s">payment</span> + <span class="s">links</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">service-center:sc.servicecomb.io"</span> + <span class="s">ports</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">8080"</span> + + <span class="s">saga</span><span class="pi">:</span> + <span class="s">image</span><span class="pi">:</span> <span class="s2">"</span><span class="s">saga-spring:0.0.2-SNAPSHOT"</span> + <span class="s">hostname</span><span class="pi">:</span> <span class="s">saga</span> + <span class="s">links</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">mysql:mysql.servicecomb.io"</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">service-center:sc.servicecomb.io"</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">car-rental-service:car.servicecomb.io"</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">flight-booking-service:flight.servicecomb.io"</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">hotel-reservation-service:hotel.servicecomb.io"</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">payment-service:payment.servicecomb.io"</span> + <span class="s">environment</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s">JAVA_OPTS=-Dspring.profiles.active=prd,servicecomb -Dcse.service.registry.address=http://sc.servicecomb.io:30100</span> + <span class="s">ports</span><span class="pi">:</span> + <span class="pi">-</span> <span class="s2">"</span><span class="s">8083:8080"</span> + <span class="s">depends_on</span><span class="pi">:</span> + <span class="s">mysql</span><span class="pi">:</span> + <span class="s">condition</span><span class="pi">:</span> <span class="s">service_healthy</span> +</code></pre> + </div> + </li> + <li> + <p>Run the following command to create docker images in saga project root folder</p> + + <div class="language-bash highlighter-rouge"><pre class="highlight"><code> mvn package -DskipTests -Pdocker -Pdemo +</code></pre> + </div> + </li> + <li> + <p>Start application up in saga/saga-demo/ with the following command</p> + + <div class="language-bash highlighter-rouge"><pre class="highlight"><code> docker-compose up +</code></pre> + </div> + </li> +</ol> + +<h2 id="verify-services">Verify services</h2> + +<ol> + <li> + <p>Use <a href="https://github.com/ServiceComb/ServiceComb-Saga/blob/master/docs/api/api.md";>Saga API</a> to set request content and save it to <em>request.json</em></p> + + <div class="language-json highlighter-rouge"><pre class="highlight"><code><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"policy"</span><span class="p">:</span><span class="w"> </span><span class="s2">"BackwardRecovery"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"requests"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="w"> + </span><span class="p">{</span><span class="w"> + </span><span class="nt">"id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"request-car"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"rest"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"serviceName"</span><span class="p">:</span><span class="w"> </span><span class="s2">"car-rental-service"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"transaction"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"post"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/rentals"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">},</span><span class="w"> + </span><span class="nt">"compensation"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"put"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/rentals"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">},</span><span class="w"> + </span><span class="p">{</span><span class="w"> + </span><span class="nt">"id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"request-hotel"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"rest"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"serviceName"</span><span class="p">:</span><span class="w"> </span><span class="s2">"hotel-reservation-service"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"transaction"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"post"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/reservations"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">},</span><span class="w"> + </span><span class="nt">"compensation"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"put"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/reservations"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">},</span><span class="w"> + </span><span class="p">{</span><span class="w"> + </span><span class="nt">"id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"request-flight"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"rest"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"serviceName"</span><span class="p">:</span><span class="w"> </span><span class="s2">"flight-booking-service"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"transaction"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"post"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/bookings"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">},</span><span class="w"> + </span><span class="nt">"compensation"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"put"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/bookings"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">},</span><span class="w"> + </span><span class="p">{</span><span class="w"> + </span><span class="nt">"id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"request-payment"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"rest"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"serviceName"</span><span class="p">:</span><span class="w"> </span><span class="s2">"payment-service"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"parents"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="w"> + </span><span class="s2">"request-car"</span><span class="p">,</span><span class="w"> + </span><span class="s2">"request-flight"</span><span class="p">,</span><span class="w"> + </span><span class="s2">"request-hotel"</span><span class="w"> + </span><span class="p">],</span><span class="w"> + </span><span class="nt">"transaction"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"post"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/payments"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">},</span><span class="w"> + </span><span class="nt">"compensation"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"method"</span><span class="p">:</span><span class="w"> </span><span class="s2">"put"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/payments"</span><span class="p">,</span><span class="w"> + </span><span class="nt">"params"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"form"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> + </span><span class="nt">"customerId"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mike"</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">}</span><span class="w"> + </span><span class="p">]</span><span class="w"> + </span><span class="p">}</span><span class="w"> +</span></code></pre> + </div> + </li> + <li> + <p>Set content type to <em>text/plain</em>, and send <em>request.json</em> to Saga</p> + + <div class="language-bash highlighter-rouge"><pre class="highlight"><code> curl -XPOST -H <span class="s2">"Content-Type: text/plain"</span> -d @./request.json http://<localhost.ip:8083>/requests +</code></pre> + </div> + + <p>Response(return âsuccessâ if execution successfully, otherwise return failed with error info)</p> + + <div class="language-bash highlighter-rouge"><pre class="highlight"><code> success +</code></pre> + </div> + </li> + <li> + <p>Get all the Saga events</p> + + <div class="language-bash highlighter-rouge"><pre class="highlight"><code> curl -XGET http://<localhost.ip:8083>/events +</code></pre> + </div> + + <p>Response</p> + + <div class="language-bash highlighter-rouge"><pre class="highlight"><code> <span class="o">{</span> + <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>: <span class="o">[</span> + <span class="o">{</span> + <span class="s2">"id"</span>: 1, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:21Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"SagaStartedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">policy</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">BackwardRecovery</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">requests</span><span class="se">\"</span><span class="s2">: [{</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-car</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class=" s2">car-rental-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">m ike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}}, {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-hotel</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">hotel-reservation-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservation s</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservations</span><s pan class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}}, {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-flight</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</ span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">flight-booking-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</s pan><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class ="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}}, {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-payment</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [</span><span class="se">\"</span><span class="s2">request-car</span><span class="se">\"</span><span class="s2">, </ span><span class="se">\"</span><span class="s2">request-flight</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">request-hotel</span><span class="se">\"</span><span class="s2">], </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">payment-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/payments</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class ="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/payments</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span> <span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}}]}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 2, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:21Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionStartedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-hotel</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP</span><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceNa me</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">hotel-reservation-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservations</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">c ustomerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservations</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</ span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 3, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:21Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionStartedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-car</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP</span><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceName </span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">car-rental-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</spa n><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="s e">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 4, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:21Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionStartedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-flight</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP</span><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceN ame</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">flight-booking-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">custome rId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 5, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:22Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionEndedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">request</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-flight</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP< /span><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">flight-booking-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form </span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span cl ass="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}, </span><span class="se">\"</span><span class="s2">response</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">body</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">{</span><span class="se">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">statusCode</span><span class="se">\\\"</span><span class="s2">: 200,</span><span class="se">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">content</span><span class="se">\\\"</span><span class="s2">: </span><span class ="se">\\\"</span><span class="s2">Flight booked with id f249543b-765e-4e10-9ba3-74fe33d8af83 for customer mike</span><span class="se">\\\"\\</span><span class="s2">n}</span><span class="se">\"</span><span class="s2">}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 6, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:24Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionEndedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">request</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-hotel</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP</ span><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">hotel-reservation-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservations</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2 ">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservations</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</spa n><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}, </span><span class="se">\"</span><span class="s2">response</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">body</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">{</span><span class="se">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">statusCode</span><span class="se">\\\"</span><span class="s2">: 200,</span><span class="se">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">content</span><span class="se">\\\"</span><span class="s2">: </span>< span class="se">\\\"</span><span class="s2">Hotel reserved with id f74049a0-3d3d-49b6-a45b-058a409daecf for customer mike</span><span class="se">\\\"\\</span><span class="s2">n}</span><span class="se">\"</span><span class="s2">}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 7, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:25Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionEndedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">request</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-car</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP</sp an><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">car-rental-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span>< span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se"> \"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}, </span><span class="se">\"</span><span class="s2">response</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">body</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">{</span><span class="se">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">statusCode</span><span class="se">\\\"</span><span class="s2">: 200,</span><span class="se">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">content</span><span class="se">\\\"</span><span class="s2">: </span><span class="se">\\\ "</span><span class="s2">Car rented with id 937d7364-be07-4d47-9e01-af72290d0478 for customer mike</span><span class="se">\\\"\\</span><span class="s2">n}</span><span class="se">\"</span><span class="s2">}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 8, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:25Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionStartedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-payment</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [</span><span class="se">\"</span><span class="s2">request-car</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">request-flight</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">request-hotel</span><span class="se">\"</span><span class="s2">], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP</span><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">payment-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/payments</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span clas s="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/payments</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</sp an><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 9, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:25Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"TransactionEndedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">request</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-payment</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">parents</span><span class="se">\"</span><span class="s2">: [</span><span class="se">\"</span><span class="s2">request-car</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">request-flight</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class ="s2">request-hotel</span><span class="se">\"</span><span class="s2">], </span><span class="se">\"</span><span class="s2">fallback</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">NOP</span><span class="se">\"</span><span class="s2">}, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">payment-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/payments</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span cl ass="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/payments</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">metho d</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}, </span><span class="se">\"</span><span class="s2">retries</span><span class="se">\"</span><span class="s2">: 3}}, </span><span class="se">\"</span><span class="s2">response</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">body</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">{</span><span class="s e">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">statusCode</span><span class="se">\\\"</span><span class="s2">: 200,</span><span class="se">\\</span><span class="s2">n </span><span class="se">\\\"</span><span class="s2">content</span><span class="se">\\\"</span><span class="s2">: </span><span class="se">\\\"</span><span class="s2">Payment made for customer mike and remaining balance is 200</span><span class="se">\\\"\\</span><span class="s2">n}</span><span class="se">\"</span><span class="s2">}}"</span> + <span class="o">}</span>, + <span class="o">{</span> + <span class="s2">"id"</span>: 10, + <span class="s2">"sagaId"</span>: <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:25Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"SagaEndedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{}"</span> + <span class="o">}</span> + <span class="o">]</span> + <span class="o">}</span> +</code></pre> + </div> + </li> + <li> + <p>Sending the request more than once will trigger compensation due to insufficient account balance in payment-service.Do this implement and get Saga events, you can find compensation events in Saga log.</p> + + <div class="language-bash highlighter-rouge"><pre class="highlight"><code> <span class="o">{</span> + <span class="s2">"bcd27f0d-6b82-49b3-8067-b16eba970e55"</span>: <span class="o">[</span> + ... + <span class="o">]</span>, + <span class="s2">"2654fa50-71e2-4fc8-afc2-6a5e0d3dafe9"</span>: <span class="o">[</span> + <span class="o">{</span> + <span class="s2">"id"</span>: 11, + <span class="s2">"sagaId"</span>: <span class="s2">"2654fa50-71e2-4fc8-afc2-6a5e0d3dafe9"</span>, + <span class="s2">"creationTime"</span>: <span class="s2">"2017-09-20T00:30:45Z"</span>, + <span class="s2">"type"</span>: <span class="s2">"SagaStartedEvent"</span>, + <span class="s2">"contentJson"</span>: <span class="s2">"{</span><span class="se">\"</span><span class="s2">policy</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">BackwardRecovery</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">requests</span><span class="se">\"</span><span class="s2">: [{</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-car</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class=" s2">car-rental-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">m ike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/rentals</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}}, {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-hotel</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">hotel-reservation-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservation s</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/reservations</span><s pan class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}}, {</span><span class="se">\"</span><span class="s2">id</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">request-flight</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">type</span><span class="se">\"</ span><span class="s2">: </span><span class="se">\"</span><span class="s2">rest</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">serviceName</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">flight-booking-service</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">transaction</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">post</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</s pan><span class="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">mike</span><span class="se">\"</span><span class="s2">}}}, </span><span class="se">\"</span><span class="s2">compensation</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">path</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">/bookings</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">method</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</span><span class="s2">put</span><span class="se">\"</span><span class="s2">, </span><span class="se">\"</span><span class="s2">params</span><span class="se">\"</span><span class ="s2">: {</span><span class="se">\"</span><span class="s2">form</span><span class="se">\"</span><span class="s2">: {</span><span class="se">\"</span><span class="s2">customerId</span><span class="se">\"</span><span class="s2">: </span><span class="se">\"</spa
<TRUNCATED>
