/**
* 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.state;
import org.apache.commons.lang.StringUtils;
import org.codehaus.jackson.annotate.JsonProperty;
/**
* An alert represents a problem or notice for a cluster.
*/
public class Alert {
private String cluster = null;
private String name = null;
private String instance = null;
private String service = null;
private String component = null;
private String hostName = null;
private AlertState state = AlertState.UNKNOWN;
private String label = null;
private String text = null;
private long timestamp = 0L;
// Maximum string size for MySql TEXT (utf8) column data type
protected final static int MAX_ALERT_TEXT_SIZE = 32617;
/**
* Constructor.
* @param alertName the name of the alert
* @param alertInstance instance specific information in the event that two alert
* types can be run, ie Flume.
* @param serviceName the service
* @param componentName the component
* @param hostName the host
* @param alertState the state of the alertable event
*/
public Alert(String alertName, String alertInstance, String serviceName,
String componentName, String hostName, AlertState alertState) {
name = alertName;
instance = alertInstance;
service = serviceName;
component = componentName;
this.hostName = hostName;
state = alertState;
}
public Alert() {
}
/**
* @return the name
*/
@JsonProperty("name")
public String getName() {
return name;
}
/**
* @return the service
*/
@JsonProperty("service")
public String getService() {
return service;
}
/**
* @return the component
*/
@JsonProperty("component")
public String getComponent() {
return component;
}
/**
* @return the host
*/
@JsonProperty("host")
public String getHostName() {
return hostName;
}
/**
* @return the state
*/
@JsonProperty("state")
public AlertState getState() {
return state;
}
/**
* @return a short descriptive label for the alert
*/
@JsonProperty("label")
public String getLabel() {
return label;
}
/**
* @param alertLabel a short descriptive label for the alert
*/
@JsonProperty("label")
public void setLabel(String alertLabel) {
label = alertLabel;
}
/**
* @return detail text about the alert
*/
@JsonProperty("text")
public String getText() {
return text;
}
/**
* @param alertText detail text about the alert
*/
@JsonProperty("text")
public void setText(String alertText) {
// middle-ellipsize the text to reduce the size to 32617 characters
text = StringUtils.abbreviateMiddle(alertText, "…", MAX_ALERT_TEXT_SIZE);
}
@JsonProperty("instance")
public String getInstance() {
return instance;
}
@JsonProperty("instance")
public void setInstance(String instance) {
this.instance = instance;
}
@JsonProperty("name")
public void setName(String name) {
this.name = name;
}
@JsonProperty("service")
public void setService(String service) {
this.service = service;
}
@JsonProperty("component")
public void setComponent(String component) {
this.component = component;
}
@JsonProperty("host")
public void setHostName(String hostName) {
this.hostName = hostName;
}
@JsonProperty("state")
public void setState(AlertState state) {
this.state = state;
}
@JsonProperty("timestamp")
public void setTimestamp(long ts) {
timestamp = ts;
}
@JsonProperty("timestamp")
public long getTimestamp() {
return timestamp;
}
/**
* @return
*/
@JsonProperty("cluster")
public String getCluster() {
return cluster;
}
@JsonProperty("cluster")
public void setCluster(String cluster){
this.cluster = cluster;
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((state == null) ? 0 : state.hashCode());
result = prime * result + ((name == null) ? 0 : name.hashCode());
result = prime * result + ((service == null) ? 0 : service.hashCode());
result = prime * result + ((component == null) ? 0 : component.hashCode());
result = prime * result + ((hostName == null) ? 0 : hostName.hashCode());
result = prime * result + ((cluster == null) ? 0 : cluster.hashCode());
result = prime * result + ((instance == null) ? 0 : instance.hashCode());
return result;
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
Alert other = (Alert) obj;
if (state != other.state) {
return false;
}
if (name == null) {
if (other.name != null) {
return false;
}
} else if (!name.equals(other.name)) {
return false;
}
if (service == null) {
if (other.service != null) {
return false;
}
} else if (!service.equals(other.service)) {
return false;
}
if (component == null) {
if (other.component != null) {
return false;
}
} else if (!component.equals(other.component)) {
return false;
}
if (hostName == null) {
if (other.hostName != null) {
return false;
}
} else if (!hostName.equals(other.hostName)) {
return false;
}
if (cluster == null) {
if (other.cluster != null) {
return false;
}
} else if (!cluster.equals(other.cluster)) {
return false;
}
if (instance == null) {
if (other.instance != null) {
return false;
}
} else if (!instance.equals(other.instance)) {
return false;
}
return true;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append('{');
sb.append("cluster=").append(cluster).append(", ");
sb.append("state=").append(state).append(", ");
sb.append("name=").append(name).append(", ");
sb.append("service=").append(service).append(", ");
sb.append("component=").append(component).append(", ");
sb.append("host=").append(hostName).append(", ");
sb.append("instance=").append(instance).append(", ");
sb.append("text='").append(text).append("'");
sb.append('}');
return sb.toString();
}
}