Reorganzing Exceptions

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/information-system/resource-registry-api@167865 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/AlreadyPresent.java

@@ -1,5 +0,0 @@
-package org.gcube.informationsystem.resourceregistry.api.exceptions;
-
-public interface AlreadyPresent {
-
-}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/AvailableInAnotherContext.java

@@ -1,5 +0,0 @@
-package org.gcube.informationsystem.resourceregistry.api.exceptions;
-
-public interface AvailableInAnotherContext {
-
-}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/ERAlreadyPresentException.java

@@ -1,12 +1,10 @@
-package org.gcube.informationsystem.resourceregistry.api.exceptions.er;
+package org.gcube.informationsystem.resourceregistry.api.exceptions;
-
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class ERAlreadyPresentException extends ERException implements AlreadyPresent {
+public class ERAlreadyPresentException extends ERException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/ERAvailableInAnotherContextException.java

@@ -1,12 +1,10 @@
-package org.gcube.informationsystem.resourceregistry.api.exceptions.er;
+package org.gcube.informationsystem.resourceregistry.api.exceptions;
-
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContext;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class ERAvailableInAnotherContextException extends ERException implements AvailableInAnotherContext {
+public class ERAvailableInAnotherContextException extends ERException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/ERCreationException.java

@@ -0,0 +1,25 @@
+package org.gcube.informationsystem.resourceregistry.api.exceptions;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ * 
+ */
+public class ERCreationException extends ERException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = -6223557776095431118L;
+
+	public ERCreationException(String message) {
+		super(message);
+	}
+
+	public ERCreationException(Throwable cause) {
+		super(cause);
+	}
+	
+	public ERCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/ERException.java

@@ -1,9 +1,7 @@
 /**
  * 
  */
-package org.gcube.informationsystem.resourceregistry.api.exceptions.er;
+package org.gcube.informationsystem.resourceregistry.api.exceptions;
-
-import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/ERNotFoundException.java

@@ -1,12 +1,10 @@
-package org.gcube.informationsystem.resourceregistry.api.exceptions.er;
+package org.gcube.informationsystem.resourceregistry.api.exceptions;
-
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class ERNotFoundException extends ERException implements NotFound {
+public class ERNotFoundException extends ERException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/NotFound.java

@@ -1,5 +0,0 @@
-package org.gcube.informationsystem.resourceregistry.api.exceptions;
-
-public interface NotFound {
-
-}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/context/ContextAlreadyPresentException.java

@@ -1,12 +1,9 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.context;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityAlreadyPresentException;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class ContextAlreadyPresentException extends EntityAlreadyPresentException implements AlreadyPresent {
+public class ContextAlreadyPresentException extends ContextException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/context/ContextCreationException.java

@@ -11,7 +11,7 @@ public class ContextCreationException extends ContextException {
 	/**
 	 * Generated Serial Version UID
 	 */
-	private static final long serialVersionUID = -7235498402448768270L;
+	private static final long serialVersionUID = 7777044293030289951L;
 
 	public ContextCreationException(String message) {
 		super(message);

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/context/ContextNotFoundException.java

@@ -1,13 +1,10 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.context;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityNotFoundException;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class ContextNotFoundException extends EntityNotFoundException implements NotFound {
+public class ContextNotFoundException extends ContextException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/EntityAlreadyPresentException.java

@@ -1,13 +1,12 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERAlreadyPresentException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERAlreadyPresentException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class EntityAlreadyPresentException extends ERAlreadyPresentException implements AlreadyPresent {
+public class EntityAlreadyPresentException extends ERAlreadyPresentException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/EntityAvailableInAnotherContextException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContext;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERAvailableInAnotherContextException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERAvailableInAnotherContextException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class EntityAvailableInAnotherContextException extends ERAvailableInAnotherContextException implements AvailableInAnotherContext {
+public class EntityAvailableInAnotherContextException extends ERAvailableInAnotherContextException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/EntityCreationException.java

@@ -0,0 +1,27 @@
+package org.gcube.informationsystem.resourceregistry.api.exceptions.entity;
+
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERCreationException;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ * 
+ */
+public class EntityCreationException extends ERCreationException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = -4445129394716597536L;
+	
+	public EntityCreationException(String message) {
+		super(message);
+	}
+
+	public EntityCreationException(Throwable cause) {
+		super(cause);
+	}
+
+	public EntityCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/EntityNotFoundException.java

@@ -1,13 +1,12 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERNotFoundException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERNotFoundException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class EntityNotFoundException extends ERNotFoundException implements NotFound {
+public class EntityNotFoundException extends ERNotFoundException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/facet/FacetAlreadyPresentException.java

@@ -1,6 +1,5 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.facet;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityAlreadyPresentException;
 
 
@@ -8,7 +7,7 @@ import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.Entity
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class FacetAlreadyPresentException extends EntityAlreadyPresentException implements AlreadyPresent {
+public class FacetAlreadyPresentException extends EntityAlreadyPresentException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/facet/FacetAvailableInAnotherContextException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.facet;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContext;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityAvailableInAnotherContextException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class FacetAvailableInAnotherContextException extends EntityAvailableInAnotherContextException implements AvailableInAnotherContext {
+public class FacetAvailableInAnotherContextException extends EntityAvailableInAnotherContextException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/facet/FacetCreationException.java

@@ -0,0 +1,29 @@
+/**
+ * 
+ */
+package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.facet;
+
+import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityCreationException;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public class FacetCreationException extends EntityCreationException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = -3065194750535027873L;
+	
+	public FacetCreationException(String message) {
+		super(message);
+	}
+	
+	public FacetCreationException(Throwable cause) {
+		super(cause);
+	}
+	
+	public FacetCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/facet/FacetNotFoundException.java

@@ -1,6 +1,5 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.facet;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityNotFoundException;
 
 
@@ -8,7 +7,7 @@ import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.Entity
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class FacetNotFoundException extends EntityNotFoundException implements NotFound {
+public class FacetNotFoundException extends EntityNotFoundException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/resource/ResourceAlreadyPresentException.java

@@ -1,6 +1,5 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityAlreadyPresentException;
 
 
@@ -8,7 +7,7 @@ import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.Entity
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class ResourceAlreadyPresentException extends EntityAlreadyPresentException implements AlreadyPresent {
+public class ResourceAlreadyPresentException extends EntityAlreadyPresentException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/resource/ResourceAvailableInAnotherContextException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContext;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityAvailableInAnotherContextException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class ResourceAvailableInAnotherContextException extends EntityAvailableInAnotherContextException implements AvailableInAnotherContext {
+public class ResourceAvailableInAnotherContextException extends EntityAvailableInAnotherContextException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/resource/ResourceCreationException.java

@@ -0,0 +1,29 @@
+/**
+ * 
+ */
+package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource;
+
+import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityCreationException;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public class ResourceCreationException extends EntityCreationException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = 363592815430310293L;
+
+	public ResourceCreationException(String message) {
+		super(message);
+	}
+	
+	public ResourceCreationException(Throwable cause) {
+		super(cause);
+	}
+	
+	public ResourceCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entity/resource/ResourceNotFoundException.java

@@ -1,6 +1,5 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.EntityNotFoundException;
 
 
@@ -8,7 +7,7 @@ import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.Entity
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class ResourceNotFoundException extends EntityNotFoundException implements NotFound {
+public class ResourceNotFoundException extends EntityNotFoundException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/RelationAlreadyPresentException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERAlreadyPresentException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERAlreadyPresentException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class RelationAlreadyPresentException extends ERAlreadyPresentException implements AlreadyPresent {
+public class RelationAlreadyPresentException extends ERAlreadyPresentException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/RelationAvailableInAnotherContextException.java

@@ -1,13 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContext;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERAvailableInAnotherContextException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERAvailableInAnotherContextException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class RelationAvailableInAnotherContextException extends ERAvailableInAnotherContextException
+public class RelationAvailableInAnotherContextException extends ERAvailableInAnotherContextException {
-		implements AvailableInAnotherContext {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/RelationCreationException.java

@@ -0,0 +1,27 @@
+package org.gcube.informationsystem.resourceregistry.api.exceptions.relation;
+
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERCreationException;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ * 
+ */
+public class RelationCreationException extends ERCreationException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = 6390564714862731641L;
+	
+	public RelationCreationException(String message) {
+		super(message);
+	}
+
+	public RelationCreationException(Throwable cause) {
+		super(cause);
+	}
+
+	public RelationCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/RelationNotFoundException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERNotFoundException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERNotFoundException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class RelationNotFoundException extends ERNotFoundException implements NotFound {
+public class RelationNotFoundException extends ERNotFoundException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/consistsOf/ConsistsOfAlreadyPresentException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.consistsOf;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationAlreadyPresentException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class ConsistsOfAlreadyPresentException extends RelationAlreadyPresentException implements AlreadyPresent {
+public class ConsistsOfAlreadyPresentException extends RelationAlreadyPresentException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/consistsOf/ConsistsOfAvailableInAnotherContextException.java

@@ -1,13 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.consistsOf;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContext;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationAvailableInAnotherContextException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class ConsistsOfAvailableInAnotherContextException extends RelationAvailableInAnotherContextException
+public class ConsistsOfAvailableInAnotherContextException extends RelationAvailableInAnotherContextException {
-		implements AvailableInAnotherContext {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/consistsOf/ConsistsOfCreationException.java

@@ -0,0 +1,27 @@
+package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.consistsOf;
+
+import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationCreationException;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ * 
+ */
+public class ConsistsOfCreationException extends RelationCreationException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = 5968496386603935430L;
+	
+	public ConsistsOfCreationException(String message) {
+		super(message);
+	}
+
+	public ConsistsOfCreationException(Throwable cause) {
+		super(cause);
+	}
+
+	public ConsistsOfCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/consistsOf/ConsistsOfNotFoundException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.consistsOf;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationNotFoundException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class ConsistsOfNotFoundException extends RelationNotFoundException implements NotFound {
+public class ConsistsOfNotFoundException extends RelationNotFoundException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isparentof/IsParentOfAlreadyPresentException.java

@@ -1,12 +1,9 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isparentof;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationAlreadyPresentException;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class IsParentOfAlreadyPresentException extends RelationAlreadyPresentException implements AlreadyPresent {
+public class IsParentOfAlreadyPresentException extends IsParentOfException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isparentof/IsParentOfCreationException.java

@@ -0,0 +1,25 @@
+package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isparentof;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ * 
+ */
+public class IsParentOfCreationException extends IsParentOfException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = 3455142144592952399L;
+	
+	public IsParentOfCreationException(String message) {
+		super(message);
+	}
+
+	public IsParentOfCreationException(Throwable cause) {
+		super(cause);
+	}
+
+	public IsParentOfCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isparentof/IsParentOfException.java

@@ -0,0 +1,23 @@
+package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isparentof;
+
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
+
+public class IsParentOfException extends ResourceRegistryException {
+	
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = -202306809126357795L;
+
+	public IsParentOfException(String message) {
+		super(message);
+	}
+
+	public IsParentOfException(Throwable cause) {
+		super(cause);
+	}
+
+	public IsParentOfException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isparentof/IsParentOfNotFoundException.java

@@ -1,12 +1,9 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isparentof;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationNotFoundException;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class IsParentOfNotFoundException extends RelationNotFoundException implements NotFound {
+public class IsParentOfNotFoundException extends IsParentOfException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isrelatedto/IsRelatedToAlreadyPresentException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isrelatedto;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationAlreadyPresentException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class IsRelatedToAlreadyPresentException extends RelationAlreadyPresentException implements AlreadyPresent {
+public class IsRelatedToAlreadyPresentException extends RelationAlreadyPresentException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isrelatedto/IsRelatedToAvailableInAnotherContextException.java

@@ -1,13 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isrelatedto;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContext;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationAvailableInAnotherContextException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class IsRelatedToAvailableInAnotherContextException extends RelationAvailableInAnotherContextException
+public class IsRelatedToAvailableInAnotherContextException extends RelationAvailableInAnotherContextException {
-		implements AvailableInAnotherContext {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isrelatedto/IsRelatedToCreationException.java

@@ -0,0 +1,27 @@
+package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isrelatedto;
+
+import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationCreationException;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ * 
+ */
+public class IsRelatedToCreationException extends RelationCreationException {
+
+	/**
+	 * Generated Serial Version UID
+	 */
+	private static final long serialVersionUID = -310747999683731578L;
+
+	public IsRelatedToCreationException(String message) {
+		super(message);
+	}
+
+	public IsRelatedToCreationException(Throwable cause) {
+		super(cause);
+	}
+
+	public IsRelatedToCreationException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/relation/isrelatedto/IsRelatedToNotFoundException.java

@@ -1,12 +1,11 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.relation.isrelatedto;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationNotFoundException;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class IsRelatedToNotFoundException extends RelationNotFoundException implements NotFound {
+public class IsRelatedToNotFoundException extends RelationNotFoundException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/schema/SchemaAlreadyPresentException.java

@@ -1,11 +1,9 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.schema;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.AlreadyPresent;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public class SchemaAlreadyPresentException extends SchemaException implements AlreadyPresent {
+public class SchemaAlreadyPresentException extends SchemaException {
 
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/schema/SchemaNotFoundException.java

@@ -1,12 +1,10 @@
 package org.gcube.informationsystem.resourceregistry.api.exceptions.schema;
 
-import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFound;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  * 
  */
-public class SchemaNotFoundException extends SchemaException implements NotFound {
+public class SchemaNotFoundException extends SchemaException {
 	
 	/**
 	 * Generated Serial Version UID

src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/AccessPath.java

@@ -17,7 +17,7 @@ public class AccessPath {
 	public static final int UNBOUNDED = -1;
 	public static final int DEFAULT_LIMIT = 20;
 	
-	public static final String FACET_PATH_PART = ERPath.FACET_PATH_PART;
+	public static final String FACETS_PATH_PART = ERPath.FACETS_PATH_PART;
 	public static final String RESOURCE_PATH_PART = ERPath.RESOURCE_PATH_PART;
 	
 	public static final String EMBEDDED_PATH_PART = ERPath.EMBEDDED_PATH_PART;

src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/ERPath.java

@@ -14,7 +14,7 @@ public class ERPath {
 	
 	protected static final String ENTITY_PATH_PART = "entity";
 	
-	public static final String FACET_PATH_PART = "facet";
+	public static final String FACETS_PATH_PART = "facet";
 	public static final String RESOURCE_PATH_PART = "resource";
 	
 	protected static final String RELATION_PATH_PART = "relation";

src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/httputils/HTTPCall.java

@@ -20,14 +20,14 @@ import org.gcube.informationsystem.model.ISManageable;
 import org.gcube.informationsystem.model.entity.Facet;
 import org.gcube.informationsystem.model.entity.Resource;
 import org.gcube.informationsystem.model.relation.Relation;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERAvailableInAnotherContextException;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.ERNotFoundException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.ExceptionMapper;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.facet.FacetAvailableInAnotherContextException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.facet.FacetNotFoundException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource.ResourceAvailableInAnotherContextException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource.ResourceNotFoundException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERAvailableInAnotherContextException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERNotFoundException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationAvailableInAnotherContextException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationNotFoundException;
 import org.slf4j.Logger;