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package com.yahoo.metrics;
/**
* @author gjoranv
*/
public enum Unit {
AREA(BaseUnit.AREA),
BINARY(BaseUnit.BINARY, "Zero or one. Zero typically indicate \"false\" while one indicate \"true\""),
BUCKET(BaseUnit.BUCKET),
BYTE(BaseUnit.BYTE),
BYTE_PER_SECOND(BaseUnit.BYTE, BaseUnit.SECOND, "Number of bytes per second"),
CONNECTION(BaseUnit.CONNECTION),
DOCUMENT(BaseUnit.DOCUMENT),
DOCUMENTID(BaseUnit.DOCUMENTID),
FAILURE(BaseUnit.FAILURE),
FILE(BaseUnit.FILE),
FRACTION(BaseUnit.FRACTION, "A value in the range [0..1]. Higher values can occur for some metrics, but would indicate the value is outside of the allowed range."),
HIT(BaseUnit.HIT),
HIT_PER_QUERY(BaseUnit.HIT, BaseUnit.QUERY),
INSTANCE(BaseUnit.INSTANCE),
ITEM(BaseUnit.ITEM),
MILLISECOND(BaseUnit.MILLISECOND),
NANOSECOND(BaseUnit.NANOSECOND),
NODE(BaseUnit.NODE),
PACKET(BaseUnit.PACKET),
OPERATION(BaseUnit.OPERATION),
OPERATION_PER_SECOND(BaseUnit.OPERATION, BaseUnit.SECOND),
PERCENTAGE(BaseUnit.PERCENTAGE),
QUERY(BaseUnit.QUERY),
QUERY_PER_SECOND(BaseUnit.QUERY, BaseUnit.SECOND),
RECORD(BaseUnit.RECORD),
REQUEST(BaseUnit.REQUEST),
RESPONSE(BaseUnit.RESPONSE),
RESTART(BaseUnit.RESTART),
SCORE(BaseUnit.SCORE),
SECOND(BaseUnit.SECOND),
SESSION(BaseUnit.SESSION),
TASK(BaseUnit.TASK),
THREAD(BaseUnit.THREAD),
VERSION(BaseUnit.VERSION),
WAKEUP(BaseUnit.WAKEUP);
private final BaseUnit unit;
private final BaseUnit perUnit;
private final String description;
// TODO: Remove once we have description for all units
Unit(BaseUnit unit) {
this(unit, null, null);
}
// TODO: Remove once we have description for all units
Unit(BaseUnit unit, BaseUnit perUnit) {
this(unit, perUnit, null);
}
Unit(BaseUnit unit, String description) {
this(unit, null, description);
}
Unit(BaseUnit unit, BaseUnit perUnit, String description) {
this.unit = unit;
this.perUnit = perUnit;
this.description = description;
}
public String fullName() {
return perUnit == null ?
unit.fullName() :
unit.fullName() + "/" + perUnit.fullName();
}
public String shortName() {
return perUnit == null ?
unit.shortName :
unit.shortName + "/" + perUnit.shortName;
}
public String getDescription() {
return description;
}
private enum BaseUnit {
AREA("area"),
BINARY("binary"),
BUCKET("bucket"),
BYTE("byte"),
CONNECTION("connection"),
DOCUMENT("document"),
DOCUMENTID("documentid"),
FAILURE("failure"),
FILE("file"),
FRACTION("fraction"),
HIT("hit"),
INSTANCE("instance"),
ITEM("item"),
MILLISECOND("millisecond", "ms"),
NANOSECOND("nanosecond", "ns"),
NODE("node"),
OPERATION("operation"),
PACKET("packet"),
PERCENTAGE("percentage"),
QUERY("query"),
RECORD("record"),
REQUEST("request"),
RESPONSE("response"),
RESTART("restart"),
SCORE("score"),
SECOND("second", "s"),
SESSION("session"),
TASK("task"),
THREAD("thread"),
VERSION("version"),
WAKEUP("wakeup");
private final String fullName;
private final String shortName;
BaseUnit(String fullName) {
this(fullName, fullName);
}
BaseUnit(String fullName, String shortName) {
this.fullName = fullName;
this.shortName = shortName;
}
public String fullName() {
return fullName;
}
public String shortName() {
return shortName;
}
}
}
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