package uk.co.zonetora.fj.model;

public final class ArgumentName {
	
	private final String argName;
		
		public ArgumentName(String argName) {
			if(argName == null) {
				throw new IllegalArgumentException("argName cannot be null!");
			}
			this.argName = argName.intern();
		}
		
		public String getArgName() {
			return this.argName;
		}
		
		@Override
		public boolean equals(Object other) {
			if(this == other){
				return true;
			}
			
			if(other instanceof ArgumentName) {
				ArgumentName othr = (ArgumentName) other;
				return othr.argName.equals(this.argName);
			}
			return false;
		}

		@Override
		public int hashCode() {
			return argName.hashCode();
		}
}