HeartbeatInfo (pdl API)

java.lang.Object
- gov.usgs.earthquake.distribution.HeartbeatInfo

```
public class HeartbeatInfo
extends java.lang.Object
```
HeartbeatInfo stores a single heartbeat key/value message, together with a timestamp

Constructor Summary

Constructors
Constructor Description

HeartbeatInfo(java.lang.String message, java.util.Date date)
Message constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.Date`	`getDate()`
`java.lang.String`	`getMessage()`
`boolean`	`isExpired(java.util.Date purgeDate)`	Test if a message is older than a purgeDate
`void`	`setDate(java.util.Date date)`	Set message timestamp
`void`	`setMessage(java.lang.String message)`	Set message content
`javax.json.JsonObject`	`toJsonObject()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - HeartbeatInfo
```
public HeartbeatInfo(java.lang.String message,
                     java.util.Date date)
```
    Message constructor
    
    Parameters:
    
    message - string
    
    date - Date
- Method Detail
  - getMessage
```
public java.lang.String getMessage()
```
    Returns:
    
    message contents
  - getDate
```
public java.util.Date getDate()
```
    Returns:
    
    message timestamp
  - setMessage
```
public void setMessage(java.lang.String message)
```
    Set message content
    
    Parameters:
    
    message - string to set
  - setDate
```
public void setDate(java.util.Date date)
```
    Set message timestamp
    
    Parameters:
    
    date - to set
  - isExpired
```
public boolean isExpired(java.util.Date purgeDate)
```
    Test if a message is older than a purgeDate
    
    Parameters:
    
    purgeDate - Date
    
    Returns:
    
    true if getDate() is before purgeDate
  - toJsonObject
```
public javax.json.JsonObject toJsonObject()
```
    Returns:
    
    JSON object of the message