From 9ba07004849940be7c51745688e6e81c6d0e3024 Mon Sep 17 00:00:00 2001
From: Andrea Burattin <andrea.burattin@gmail.com>
Date: Tue, 28 Dec 2021 16:22:22 +0100
Subject: [PATCH] Removed old files

---
 .../models/streams/ObservableStream.java      |  11 --
 .../models/streams/XesMqttSource.java         | 111 ------------------
 .../beamline/models/streams/XesSource.java    |   7 --
 .../models/streams/XesStreamSource.java       |  99 ----------------
 4 files changed, 228 deletions(-)
 delete mode 100644 src/main/java/beamline/models/streams/ObservableStream.java
 delete mode 100644 src/main/java/beamline/models/streams/XesMqttSource.java
 delete mode 100644 src/main/java/beamline/models/streams/XesSource.java
 delete mode 100644 src/main/java/beamline/models/streams/XesStreamSource.java

diff --git a/src/main/java/beamline/models/streams/ObservableStream.java b/src/main/java/beamline/models/streams/ObservableStream.java
deleted file mode 100644
index cc2d84d..0000000
--- a/src/main/java/beamline/models/streams/ObservableStream.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package beamline.models.streams;
-
-import java.util.Iterator;
-import java.util.stream.Stream;
-
-public interface ObservableStream<T> extends Iterable<T> {
-
-	public abstract void prepare() throws Exception;
-	
-	public abstract Stream<T> stream();
-}
diff --git a/src/main/java/beamline/models/streams/XesMqttSource.java b/src/main/java/beamline/models/streams/XesMqttSource.java
deleted file mode 100644
index a6385d6..0000000
--- a/src/main/java/beamline/models/streams/XesMqttSource.java
+++ /dev/null
@@ -1,111 +0,0 @@
-package beamline.models.streams;
-
-import java.util.Date;
-import java.util.Iterator;
-import java.util.UUID;
-import java.util.concurrent.ArrayBlockingQueue;
-import java.util.concurrent.BlockingQueue;
-import java.util.function.Supplier;
-import java.util.stream.Stream;
-
-import org.deckfour.xes.extension.std.XConceptExtension;
-import org.deckfour.xes.extension.std.XTimeExtension;
-import org.deckfour.xes.factory.XFactory;
-import org.deckfour.xes.factory.XFactoryNaiveImpl;
-import org.deckfour.xes.model.XEvent;
-import org.deckfour.xes.model.XTrace;
-import org.eclipse.paho.client.mqttv3.IMqttClient;
-import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
-import org.eclipse.paho.client.mqttv3.MqttCallback;
-import org.eclipse.paho.client.mqttv3.MqttClient;
-import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
-import org.eclipse.paho.client.mqttv3.MqttMessage;
-
-public class XesMqttSource implements XesSource {
-
-	private static XFactory xesFactory = new XFactoryNaiveImpl();
-	
-	private String processName;
-	private String brokerHost;
-	private String topicBase;
-	private BlockingQueue<XTrace> queue;
-	private Stream<XTrace> stream;
-	
-	public XesMqttSource(String brokerHost, String topicBase, String processName) {
-		this.brokerHost = brokerHost;
-		this.topicBase = topicBase;
-		this.processName = processName;
-		this.stream = Stream.generate(new Supplier<XTrace>() {
-			@Override
-			public XTrace get() {
-				try {
-					return queue.take();
-				} catch (InterruptedException e) {
-					e.printStackTrace();
-				}
-				return null;
-			}
-		});
-	}
-	
-	@Override
-	public Stream<XTrace> stream() {
-		return stream;
-	}
-
-	public void prepare() throws Exception {
-		this.queue = new ArrayBlockingQueue<XTrace>(1000);
-		
-		MqttConnectOptions options = new MqttConnectOptions();
-		options.setCleanSession(true);
-		options.setKeepAliveInterval(30);
-
-		IMqttClient myClient = new MqttClient(brokerHost, UUID.randomUUID().toString());
-		myClient.setCallback(new MqttCallback() {
-			
-			@Override
-			public void messageArrived(String topic, MqttMessage message) throws Exception {
-				int posLastSlash = topic.lastIndexOf("/");
-				String partBeforeActName = topic.substring(0, posLastSlash);
-				String activityName = topic.substring(posLastSlash + 1);
-				String caseId = partBeforeActName.substring(partBeforeActName.lastIndexOf("/") + 1);
-
-				XEvent event = xesFactory.createEvent();
-				XConceptExtension.instance().assignName(event, activityName);
-				XTimeExtension.instance().assignTimestamp(event, new Date());
-				XTrace eventWrapper = xesFactory.createTrace();
-				XConceptExtension.instance().assignName(eventWrapper, caseId);
-				eventWrapper.add(event);
-				
-				queue.add(eventWrapper);
-			}
-			
-			@Override
-			public void deliveryComplete(IMqttDeliveryToken token) { }
-			
-			@Override
-			public void connectionLost(Throwable cause) { }
-		});
-		myClient.connect(options);
-		myClient.subscribe(topicBase + "/" + processName + "/#");
-	}
-
-	public Iterator<XTrace> iterator() {
-		return new Iterator<XTrace>() {
-			@Override
-			public boolean hasNext() {
-				return true;
-			}
-
-			@Override
-			public XTrace next() {
-				try {
-					return queue.take();
-				} catch (InterruptedException e) {
-					e.printStackTrace();
-				}
-				return null;
-			}
-		};
-	}
-}
diff --git a/src/main/java/beamline/models/streams/XesSource.java b/src/main/java/beamline/models/streams/XesSource.java
deleted file mode 100644
index 8f9cd6b..0000000
--- a/src/main/java/beamline/models/streams/XesSource.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package beamline.models.streams;
-
-import org.deckfour.xes.model.XTrace;
-
-public interface XesSource extends ObservableStream<XTrace> {
-
-}
diff --git a/src/main/java/beamline/models/streams/XesStreamSource.java b/src/main/java/beamline/models/streams/XesStreamSource.java
deleted file mode 100644
index 4eda957..0000000
--- a/src/main/java/beamline/models/streams/XesStreamSource.java
+++ /dev/null
@@ -1,99 +0,0 @@
-package beamline.models.streams;
-
-import java.io.File;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.stream.Stream;
-
-import org.deckfour.xes.extension.std.XTimeExtension;
-import org.deckfour.xes.factory.XFactory;
-import org.deckfour.xes.factory.XFactoryNaiveImpl;
-import org.deckfour.xes.in.XParser;
-import org.deckfour.xes.in.XesXmlGZIPParser;
-import org.deckfour.xes.in.XesXmlParser;
-import org.deckfour.xes.model.XAttributeMap;
-import org.deckfour.xes.model.XEvent;
-import org.deckfour.xes.model.XLog;
-import org.deckfour.xes.model.XTrace;
-
-public class XesStreamSource implements XesSource {
-
-	private static XFactory xesFactory = new XFactoryNaiveImpl();
-	
-	private String fileName;
-	private XLog log;
-	private List<XTrace> events;
-	
-	public XesStreamSource(String fileName) {
-		this.fileName = fileName;
-	}
-	
-	public void prepare() throws Exception {
-		parseLog(fileName);
-		prepareStream();
-	}
-	
-	public Stream<XTrace> stream() {
-		return events.stream();
-	}
-	
-	public Iterator<XTrace> iterator() {
-		return events.iterator();
-	}
-
-	private void parseLog(String fileName) throws Exception {
-		XParser[] parsers = new XParser[] { new XesXmlGZIPParser(), new XesXmlParser() };
-		File file = new File(fileName);
-		for (XParser p : parsers) {
-			if (p.canParse(file)) {
-				log = p.parse(file).get(0);
-				return;
-			}
-		}
-		throw new Exception("XES file format not supported");
-	}
-	
-	private void prepareStream() {
-		if (log == null) {
-			return;
-		}
-		// populate all events
-		events = new LinkedList<XTrace>();
-		for (XTrace t : log) {
-			for (XEvent e : t) {
-				// create the wrapping trace
-				XTrace eventWrapper = xesFactory.createTrace();
-				XAttributeMap am = t.getAttributes();
-				for (String key : am.keySet()) {
-					eventWrapper.getAttributes().put(key, am.get(key));
-				}
-				// create the actual event
-				XEvent newEvent = xesFactory.createEvent();
-				XAttributeMap amEvent = e.getAttributes();
-				for (String key : amEvent.keySet()) {
-					newEvent.getAttributes().put(key, amEvent.get(key));
-				}
-				eventWrapper.add(newEvent);
-				events.add(eventWrapper);
-			}
-		}
-		
-		// sort events
-		Collections.sort(events, new Comparator<XTrace>() {
-			public int compare(XTrace o1, XTrace o2) {
-				XEvent e1 = o1.get(0);
-				XEvent e2 = o2.get(0);
-				Date d1 = XTimeExtension.instance().extractTimestamp(e1);
-				Date d2 = XTimeExtension.instance().extractTimestamp(e2);
-				if (d1 == null || d2 == null) {
-					return 0;
-				}
-				return d1.compareTo(d2);
-			}
-		});
-	}
-}
-- 
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