/**
*
*/
package com.thinkbiganalytics.alerts.api;
/*-
* #%L
* thinkbig-alerts-api
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import com.thinkbiganalytics.alerts.spi.AlertSource;
import org.joda.time.DateTime;
import java.io.Serializable;
import java.net.URI;
import java.util.List;
/**
* This type defines the basic alert abstraction. Only the basic properties of an alert are defined
* here. This kind of object also acts as a container for the more type-specific details returned from
* its content property.
*/
public interface Alert {
/**
* @return the ID of the alert
*/
ID getId();
/**
* A unique URI defining the type of alert this is. URIs allow for a more hierarchical
* name space defining the type.
*
* @return the unique type URI
*/
URI getType();
/**
* @return a description of this alert
*/
String getDescription();
/**
* @return the level of this alert
*/
Level getLevel();
/**
* Gets the time when this alert was created. Note that it is usually the same
* time as the change time of the oldest event in the change event list.
*
* @return the time this alert was created.
*/
DateTime getCreatedTime();
/**
* @return the alert source that produced this alert
*/
AlertSource getSource();
/**
* AlertResponders will only be invoked for actionable alerts. Alerts whose
* state may be changed by AlertResponders should have this method return true.
*
* @return whether this alert is actionable
*/
boolean isActionable();
/**
* Retrieves the current state of this alert. If this alert supports events then this is
* the same state of the latest change event.
*
* @return the current state of this alert
*/
State getState();
/**
* Indicates whether this alert is considered cleared or not. Normally cleared alerts do not
* appear in regular search results.
*/
boolean isCleared();
/**
* Gets ordered list of state change events showing the state transitions this alert
* has gone through.
*
* @return the list of state changes
*/
List<AlertChangeEvent> getEvents();
/**
* The payload containing type-specific data for this alert. The kind of object
* returned from this method is defined by the type of alert this is.
*
* @return a particular content object based this alert type
*/
<C extends Serializable> C getContent();
/**
* The states that this alert may transition through, listed within the change events.
* For non-actionable alerts this state will never transition beyond created.
*/
enum State {
CREATED, UNHANDLED, IN_PROGRESS, HANDLED
}
/**
* The severity level that alerts may have
*/
enum Level {
INFO, WARNING, MINOR, MAJOR, CRITICAL, FATAL
}
/**
* The opaque identifier of this event
*/
interface ID extends Serializable {
}
}