feat: add identifier to all endpoints (#19)

src/main/java/com/hlag/tools/commvis/analyzer/model/EndpointFactory.java

@@ -0,0 +1,26 @@
+package com.hlag.tools.commvis.analyzer.model;
+
+public class EndpointFactory {
+    private static final EndpointFactory singleton = new EndpointFactory();
+    private Long numberGenerator = 0L;
+
+    public static EndpointFactory get() {
+        return singleton;
+    }
+
+    private synchronized Long getNewIdNumber() {
+        return ++numberGenerator;
+    }
+
+    public HttpConsumer createHttpConsumer(String className, String methodName, String type, String path) {
+        return new HttpConsumer(className, methodName, type, path, getNewIdNumber());
+    }
+
+    public HttpProducer createHttpProducer(String className, String methodName, String type, String path, String destinationProjectId) {
+        return new HttpProducer(className, methodName, type, path, destinationProjectId, getNewIdNumber());
+    }
+
+    public JmsReceiver createJmsReceiver(String className, String destinationType, String destination) {
+        return new JmsReceiver(className, destinationType, destination, getNewIdNumber());
+    }
+}

src/main/java/com/hlag/tools/commvis/analyzer/model/HttpConsumer.java

@@ -7,16 +7,20 @@
  * An endpoint which can receive http(s) messages. Typically, a REST API.
  */
 @Value
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class HttpConsumer implements ISenderReceiverCommunication {
     @SerializedName(value="class_name")
-    private final String className;
+    String className;
     @SerializedName(value="method_name")
-    private final String methodName;
+    String methodName;
 
     @SerializedName(value="type")
-    private final String type;
+    String type;
     @SerializedName(value="path")
-    private final String path;
+    String path;
+
+    @SerializedName(value="id")
+    Long id;
 
     @Override
     public void visit(AbstractCommunicationModelVisitor visitor) {

src/main/java/com/hlag/tools/commvis/analyzer/model/HttpProducer.java

@@ -1,42 +1,46 @@
 package com.hlag.tools.commvis.analyzer.model;
 
 import com.google.gson.annotations.SerializedName;
-import lombok.Value;
+import lombok.*;
 
 /**
  * Holds the data of one method calling a http(s) endpoint.
  */
 @Value
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class HttpProducer implements ISenderReceiverCommunication {
     /**
      * The full qualified classname where the producer lives.
      */
     @SerializedName(value="class_name")
-    private final String className;
+    String className;
 
     /**
      * The method name of the producer.
      */
     @SerializedName(value="method_name")
-    private final String methodName;
+    String methodName;
 
     /**
      * The HTTP method like GET or POST.
      */
     @SerializedName(value="type")
-    private final String type;
+    String type;
 
     /**
      * The full path name called (usually without a domain).
      */
     @SerializedName(value="path")
-    private final String path;
+    String path;
 
     /**
      * The project id of the referenced project.
      */
     @SerializedName(value="destination_project_id")
-    private final String destinationProjectId;
+    String destinationProjectId;
+
+    @SerializedName(value="id")
+    private Long id;
 
     @Override
     public void visit(AbstractCommunicationModelVisitor visitor) {

src/main/java/com/hlag/tools/commvis/analyzer/model/ISenderReceiverCommunication.java

@@ -4,5 +4,10 @@
  * The top level interface for all producers and consumers or senders and receivers.
  */
 public interface ISenderReceiverCommunication {
+    /**
+     * @return an identifier valid within a model
+     */
+    Long getId();
+
     void visit(AbstractCommunicationModelVisitor visitor);
 }

src/main/java/com/hlag/tools/commvis/analyzer/model/JmsReceiver.java

@@ -1,29 +1,27 @@
 package com.hlag.tools.commvis.analyzer.model;
 
 import com.google.gson.annotations.SerializedName;
-import lombok.AllArgsConstructor;
-import lombok.EqualsAndHashCode;
-import lombok.Getter;
-import lombok.ToString;
+import lombok.*;
 
 /**
  * A receiver for JMS messages.
  */
-@AllArgsConstructor
-@Getter
-@ToString
-@EqualsAndHashCode
+@Value
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class JmsReceiver implements ISenderReceiverCommunication {
     @SerializedName(value="class_name")
-    private String className;
+    String className;
 
     // e.g. "javax.jms.Queue"
     @SerializedName(value="destination_type")
-    private String destinationType;
+    String destinationType;
 
     // e.g. "jms/catalogs/customer"
     @SerializedName(value="destination")
-    private String destination;
+    String destination;
+
+    @SerializedName(value="id")
+    Long id;
 
     @Override
     public void visit(AbstractCommunicationModelVisitor visitor) {