org.hawkular.alerts.extensions

Class Expression

java.lang.Object

org.hawkular.alerts.extensions.Expression

public class Expression
extends Object

Represent a DSL expression coming from an ExternalCondition which is parsed into a DRL format understandable by the CEP engine. Expression syntax: ::= "event:groupBy(" ")" [ ":window(" ")" ] [ ":filter(" ] [ ":having(" ")" ] ::= [ "tag." | "context." ] ::= ( "time," | "length," ) ::= [ "d" ][ "h" ][ "m" ][ "s" ] [ [ "ms" ]] ::= ::=

Author:

Jay Shaughnessy, Lucas Ponce

Constructor Summary

Constructors

Constructor and Description
Expression(Collection<FullTrigger> activeTriggers)
Expression(String expiration, Collection<FullTrigger> activeTriggers)

Method Summary

Modifier and Type	Method and Description
String	getDrl()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Expression

public Expression(Collection<FullTrigger> activeTriggers)

Expression

public Expression(String expiration,
                  Collection<FullTrigger> activeTriggers)

Method Detail

getDrl

public String getDrl()

toString

public String toString()

Overrides:

toString in class Object