diff --git a/src/main/java/org/gcube/informationsystem/base/reference/Direction.java b/src/main/java/org/gcube/informationsystem/base/reference/Direction.java new file mode 100644 index 0000000..8b2c40f --- /dev/null +++ b/src/main/java/org/gcube/informationsystem/base/reference/Direction.java @@ -0,0 +1,20 @@ +package org.gcube.informationsystem.base.reference; + +/** + * @author Luca Frosini (ISTI - CNR) + */ +public enum Direction { + + IN, OUT, BOTH; + + public Direction opposite() { + if(this.equals(IN)) { + return OUT; + }else if(this.equals(OUT)) { + return IN; + } else { + return BOTH; + } + } + +}