equals hascode

git-svn-id: svn://svn.dsv.su.se/scipro/scipro/trunk@518 73ecded7-942e-4092-bab0-0e58ef0ee984

src/main/java/se/su/dsv/scipro/data/dataobjects/Tag.java

@@ -41,6 +41,31 @@ public class Tag extends DomainObject {
 	public void setTag(String tag) {
 		this.tag = tag;
 	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((id == null) ? 0 : id.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Tag other = (Tag) obj;
+		if (id == null) {
+			if (other.id != null)
+				return false;
+		} else if (!id.equals(other.id))
+			return false;
+		return true;
+	}