o Some more Esper experiments.

2 files changed, 185 insertions, 0 deletions

diff --git a/src/main/java/io/trygvis/esper/testing/esper/Main.java b/src/main/java/io/trygvis/esper/testing/esper/Main.java
new file mode 100755
index 0000000..66b88df
--- /dev/null
+++ b/src/main/java/io/trygvis/esper/testing/esper/Main.java
@@ -0,0 +1,108 @@
+package io.trygvis.esper.testing.esper;
+
+import com.espertech.esper.client.*;
+import io.trygvis.esper.testing.*;
+import org.slf4j.*;
+
+import java.util.*;
+
+import static java.lang.Thread.sleep;
+
+public class Main {
+    private static final String JDBC_URL = "jdbc:h2:mem:esper;DB_CLOSE_DELAY=-1";
+//    private static final String JDBC_URL = "jdbc:h2:tcp://127.0.0.1/esper;DB_CLOSE_DELAY=-1";
+
+    Logger logger;
+    EPRuntime runtime;
+
+    public static void main(String[] args) throws Exception {
+        Config.loadFromDisk();
+        Main main = new Main();
+        main.work();
+    }
+
+    private void work() throws Exception {
+        logger = LoggerFactory.getLogger("app");
+
+        Configuration config = new Configuration();
+
+        ConfigurationDBRef configurationDBRef = new ConfigurationDBRef();
+        configurationDBRef.setDriverManagerConnection("org.h2.Driver", JDBC_URL, "", "");
+        configurationDBRef.setConnectionAutoCommit(false);
+        config.addDatabaseReference("db1", configurationDBRef);
+        config.addEventTypeAutoName(getClass().getPackage().getName());
+        EPServiceProvider epService = EPServiceProviderManager.getDefaultProvider(config);
+        runtime = epService.getEPRuntime();
+        EPAdministrator administrator = epService.getEPAdministrator();
+
+//        String expression = "select avg(price) from OrderEvent.win:time(30 sec)";
+//        String expression = "select * from pattern [every b=NewBuildEvent() -> (timer:interval(3 seconds) and not NewBuildEvent(uuid = b.uuid))]";
+
+        String expression = "insert into BuildLastHour " +
+                "select uuid, " +
+                "sum(case result when 'SUCCESS' then 1 else 0 end) as successes, " +
+                "sum(case result when 'FAILURE' then 1 else 0 end) as failures " +
+                "from NewBuildEvent.win:time_batch(3 sec) group by uuid";
+
+        EPStatement statement = administrator.createEPL(expression);
+
+        MyListener listener = new MyListener();
+        statement.addListener(listener);
+
+        UUID job1 = UUID.fromString("11111111-1111-1111-1111-111111111111");
+        UUID job2 = UUID.fromString("22222222-2222-2222-2222-222222222222");
+
+        send(job1, "SUCCESS"); sleep(100);
+        send(job2, "SUCCESS"); sleep(100);
+        send(job2, "FAILURE"); sleep(100);
+        send(job2, "SUCCESS"); sleep(100);
+
+        Timer timer = new Timer();
+        timer.scheduleAtFixedRate(new TimerTask() {
+            @Override
+            public void run() {
+                logger.info("tick");
+            }
+        }, 0, 1000);
+
+        while(true) {
+            sleep(1000);
+        }
+    }
+
+    public void send(UUID job, String result) {
+        logger.info("Inserting " + result);
+        runtime.sendEvent(new NewBuildEvent(job, result));
+    }
+
+    class MyListener implements UpdateListener {
+        public void update(EventBean[] newEvents, EventBean[] oldEvents) {
+            for (EventBean event : newEvents) {
+                logger.info("new event");
+                EventType eventType = event.getEventType();
+
+                for (String name : eventType.getPropertyNames()) {
+                    System.out.println(name + " = " + event.get(name));
+                }
+            }
+        }
+    }
+}
+
+class NewBuildEvent {
+    private UUID uuid;
+    private String result;
+
+    NewBuildEvent(UUID uuid, String result) {
+        this.uuid = uuid;
+        this.result = result;
+    }
+
+    public UUID getUuid() {
+        return uuid;
+    }
+
+    public String getResult() {
+        return result;
+    }
+}
diff --git a/src/main/java/io/trygvis/esper/testing/esper/Main2.java b/src/main/java/io/trygvis/esper/testing/esper/Main2.java
new file mode 100755
index 0000000..9c53a8f
--- /dev/null
+++ b/src/main/java/io/trygvis/esper/testing/esper/Main2.java
@@ -0,0 +1,77 @@
+package io.trygvis.esper.testing.esper;
+
+import com.espertech.esper.client.*;
+import io.trygvis.esper.testing.*;
+
+import javax.sql.*;
+import java.sql.*;
+import java.util.*;
+
+public class Main2 {
+    private static Config config;
+
+    @SuppressWarnings("UnusedDeclaration")
+    public static DataSource createDataSource(Properties p) throws SQLException {
+        return config.createBoneCp();
+    }
+
+    public static void main(String[] args) throws Exception {
+        config = Config.loadFromDisk();
+
+        Configuration c = new Configuration();
+
+        ConfigurationDBRef configurationDBRef = new ConfigurationDBRef();
+        configurationDBRef.setDataSourceFactory(new Properties(), Main2.class.getName());
+        configurationDBRef.setConnectionAutoCommit(true);
+        c.addDatabaseReference("db1", configurationDBRef);
+
+        c.addVariable("VarLastTimestamp", Long.class, Long.valueOf(0));
+
+//        c.addEventTypeAutoName(getClass().getPackage().getName());
+
+        EPServiceProvider epService = EPServiceProviderManager.getDefaultProvider(c);
+
+//        String expression = "select avg(price) from OrderEvent.win:time(30 sec)";
+
+        EPAdministrator administrator = epService.getEPAdministrator();
+
+        EPStatement statement = administrator.createEPL("insert into JenkinsBuild " +
+                "select uuid, job, result from pattern [every timer:interval(1 sec)], " +
+                "sql:db1 ['SELECT uuid, job, result FROM jenkins_build WHERE extract(epoch from created_date) > ${VarLastTimestamp}']");
+
+        JenkinsBuildListener listener = new JenkinsBuildListener();
+        statement.addListener(listener);
+
+        administrator.createEPL("on JenkinsBuild set VarLastTimestamp = current_timestamp()");
+
+        administrator.createEPL("every build=JenkinsBuild(result='FAILURE') -> ((JenkinsBuild(job=build.job, result='FAILURE') and not Sample(sensor=sample.sensor, temp <= 50)) -> (Sample(sensor=sample.sensor, temp > 50) and not Sample(sensor=sample.sensor, temp <= 50))) where timer:within(90 seconds))\n");
+
+        while(true) {
+            Thread.sleep(10000);
+        }
+    }
+}
+
+class JenkinsBuildListener implements UpdateListener {
+    public void update(EventBean[] newEvents, EventBean[] oldEvents) {
+        for (EventBean event : newEvents) {
+            System.out.println("uuid=" + event.get("uuid"));
+        }
+    }
+}
+
+/*
+every build=JenkinsBuild(result='FAILURE') ->
+ (
+  (
+   Sample(sensor=sample.sensor, temp > 50) and not
+   Sample(sensor=sample.sensor, temp <= 50)
+  ) ->
+  (
+   Sample(sensor=sample.sensor, temp > 50) and not
+   Sample(sensor=sample.sensor, temp <= 50)
+  )
+ )
+where timer:within(90 seconds))
+
+*/