AlertStorage (Tapestry API - 5.8.7)

java.lang.Object
- org.apache.tapestry5.commons.internal.util.LockSupport
- - org.apache.tapestry5.alerts.AlertStorage

All Implemented Interfaces:

java.io.Serializable, OptimizedSessionPersistedObject
```
public class AlertStorage
extends LockSupport
implements java.io.Serializable, OptimizedSessionPersistedObject
```
A stateless session object used to store Alerts between requests.

Since:

5.3

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

AlertStorage()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(Alert alert)`
`boolean`	`checkAndResetDirtyMarker()`
`void`	`dismiss(long alertId)`	Dismisses a single Alert, if present.
`void`	`dismissAll()`	Dismisses all Alerts.
`void`	`dismissNonPersistent()`	Dismisses non-persistent Alerts; this is useful after rendering the `Alerts` component.
`java.util.List<Alert>`	`getAlerts()`	Returns all stored alerts.

Methods inherited from class org.apache.tapestry5.commons.internal.util.LockSupport
acquireReadLock, downgradeWriteLockToReadLock, releaseReadLock, releaseWriteLock, takeWriteLock, upgradeReadLockToWriteLock

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

- Constructor Detail
  - AlertStorage
```
public AlertStorage()
```
- Method Detail
  - checkAndResetDirtyMarker
```
public boolean checkAndResetDirtyMarker()
```
    Specified by:
    
    checkAndResetDirtyMarker in interface OptimizedSessionPersistedObject
    
    Returns:
    
    true if the object has in-memory changes since the last time this method was called.
  - add
```
public void add(Alert alert)
```
  - dismissAll
```
public void dismissAll()
```
    Dismisses all Alerts.
  - dismissNonPersistent
```
public void dismissNonPersistent()
```
    Dismisses non-persistent Alerts; this is useful after rendering the Alerts component.
  - dismiss
```
public void dismiss(long alertId)
```
    Dismisses a single Alert, if present.
  - getAlerts
```
public java.util.List<Alert> getAlerts()
```
    Returns all stored alerts.
    
    Returns:
    
    list of alerts (possibly empty)