OpenTSDB KV match rule

Rule.java

public class Rule {
	static enum MatchAction {
		OUTPUT, OUTPUT_WITH_TAGS, IGNORE;
	};
	
	static enum OutputFormat {
		KV, KV_DELIM, KV_JSON, LIST, LIST_DELIM, LIST_JSON, HASH;
	};
	
	private String metricMatch;
	private String tagMatch;
	private MatchAction action = MatchAction.IGNORE;
	private OutputFormat format = OutputFormat.KV;
	private int expiration = 0;
	
	// match -> KEEP(default) | IGNORE | KEEP_TAGS | 
	// format: kv | kv_string | kv_json | hash | list | list_delim | list_json
	// expiration: 10
	
	public Rule() {
	}
}