Add version information on IS type

CHANGELOG.md

@@ -2,6 +2,9 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 # Changelog for Information System Model
 
+## [v4.2.0]
+
+- Added version information on Type 
 
 ## [v4.1.0]
 

pom.xml

@@ -10,7 +10,7 @@
 
 	<groupId>org.gcube.information-system</groupId>
 	<artifactId>information-system-model</artifactId>
-	<version>4.1.0</version>
+	<version>4.2.0-SNAPSHOT</version>
 	<name>Information System Model</name>
 	<description>Information System Model is the reference model of the gCube Information System</description>
 	<packaging>jar</packaging>

src/main/java/org/gcube/informationsystem/types/impl/TypeImpl.java

@@ -36,11 +36,13 @@ public class TypeImpl implements Type {
 	private static final long serialVersionUID = -4333954207969059451L;
 	
 	public final static String DESCRIPTION = "DESCRIPTION";
+	public final static String VERSION = "VERSION";
 	
 	protected Header header;
 	
 	protected String name;
 	protected String description;
+	protected String version;
 	@JsonProperty(value="abstract")
 	protected boolean abstractType;
 	protected Set<String> superClasses;
@@ -133,6 +135,7 @@ public class TypeImpl implements Type {
 	protected TypeImpl(Class<? extends Element> clz) {
 		this.name = TypeMapper.getType(clz);
 		this.description = TypeMapper.getStaticStringFieldByName(clz, DESCRIPTION, "");
+		this.version = TypeMapper.getStaticStringFieldByName(clz, VERSION, "1.0.0");
 		this.abstractType = false;
 		
 		if(clz.isAnnotationPresent(Abstract.class)){
@@ -161,6 +164,11 @@ public class TypeImpl implements Type {
 	public String getDescription() {
 		return description;
 	}
+	
+	@Override
+	public String getVersion() {
+		return version;
+	}
 
 	@Override
 	public boolean isAbstract() {
@@ -176,4 +184,5 @@ public class TypeImpl implements Type {
 	public Set<PropertyDefinition> getProperties() {
 		return properties;
 	}
+
 }

src/main/java/org/gcube/informationsystem/types/reference/Type.java

@@ -16,6 +16,7 @@ public interface Type extends IdentifiableElement {
 	
 	public static final String NAME_PROPERTY = "name";
 	public static final String DESCRIPTION_PROPERTY = "description";
+	public static final String VERSION_PROPERTY = "version";
 	public static final String ABSTRACT_PROPERTY = "abstract";
 	public static final String TYPE_SUPERCLASSES_PROPERTY = "superClasses";
 	public static final String PROPERTIES_PROPERTY = "properties";
@@ -24,6 +25,8 @@ public interface Type extends IdentifiableElement {
 	
 	public String getDescription();
 	
+	public String getVersion();
+	
 	public boolean isAbstract();
 
 	public Set<String> getSuperClasses();