/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.ambari.server.events;
/**
* The {@link AmbariEvent} class is the base for all events in Ambari.
*/
public abstract class AmbariEvent {
/**
* The {@link AmbariEventType} defines the type of Ambari event.
*/
public enum AmbariEventType {
/**
* A service was successfully installed.
*/
SERVICE_INSTALL_SUCCESS,
/**
* A service was successfully removed.
*/
SERVICE_REMOVED_SUCCESS,
/**
* A service component was successfully installed.
*/
SERVICE_COMPONENT_INSTALL_SUCCESS,
/**
* A service component was successfully uninstalled.
*/
SERVICE_COMPONENT_UNINSTALLED_SUCCESS,
/**
* An alert definition is registered with the system.
*/
ALERT_DEFINITION_REGISTRATION,
/**
* An alert definition was updated.
*/
ALERT_DEFINITION_CHANGED,
/**
* An alert definition is removed from the system.
*/
ALERT_DEFINITION_REMOVAL,
/**
* The alert definition has was invalidated.
*/
ALERT_DEFINITION_HASH_INVALIDATION,
/**
* The alert definition was disabled.
*/
ALERT_DEFINITION_DISABLED,
/**
* A host was registered with the server.
*/
HOST_REGISTERED,
/**
* A host was registered with the server.
*/
HOST_COMPONENT_VERSION_ADVERTISED,
/**
* A host was added to the cluster.
*/
HOST_ADDED,
/**
* A host was removed from the cluster.
*/
HOST_REMOVED,
/**
* A host/service/component has had a maintenance mode change.
*/
MAINTENANCE_MODE,
/**
* Received a final command report for some action
*/
ACTION_EXECUTION_FINISHED,
/**
* Sent when request finishes
*/
REQUEST_FINISHED,
/**
* The cluster was renamed.
*/
CLUSTER_RENAME,
/**
* The service component recovery enabled field changed.
*/
SERVICE_COMPONENT_RECOVERY_CHANGED,
/**
* Stack upgrade or downgrade finishes
*/
FINALIZE_UPGRADE_FINISH,
/**
* Cluster configuration changed.
*/
CLUSTER_CONFIG_CHANGED,
/**
* Cluster configuration finished.
*/
CLUSTER_CONFIG_FINISHED,
/**
* Metrics Collector force refresh needed.
*/
METRICS_COLLECTOR_HOST_DOWN,
/**
* Local user has been created.
*/
USER_CREATED;
}
/**
* The concrete event's type.
*/
protected final AmbariEventType m_eventType;
/**
* Constructor.
*
* @param eventType
* the type of event (not {@code null}).
*/
public AmbariEvent(AmbariEventType eventType) {
m_eventType = eventType;
}
/**
* Gets the type of {@link AmbariEvent}.
*
* @return the event type (never {@code null}).
*/
public AmbariEventType getType() {
return m_eventType;
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
StringBuilder buffer = new StringBuilder(getClass().getSimpleName());
buffer.append("{eventType=").append(m_eventType);
buffer.append("}");
return buffer.toString();
}
}