ConditionChecker.java
package azkaban.trigger;
import java.util.Map;
public interface ConditionChecker {
Object eval();
Object getNum();
void reset();
String getId();
String getType();
ConditionChecker fromJson(Object obj) throws Exception;
Object toJson();
void stopChecker();
void setContext(Map<String, Object> context);
long getNextCheckTime();
}