@Override
	public Attachment findAttachment(ResourceId resourceId) {
		checkNotNull(resourceId,"Attached resource identifier cannot be null");
		return this.attachmentCollection.attachmendByResourceId(resourceId);
	}
@Override
	public Attachment findAttachment(ResourceId resourceId) {
		checkNotNull(resourceId,"Attached resource identifier cannot be null");
		return this.attachmentCollection.attachmendByResourceId(resourceId);
	}
@ Override public Attachment findAttachment ( ResourceId resourceId ) { checkNotNull ( resourceId , "Attached resource identifier cannot be null" ) ; return this . attachmentCollection . attachmendByResourceId ( resourceId ) ; }
{@inheritDoc}
{