ViewHandler (Web Tools 6.0.3 API)

java.lang.Object
- org.imixs.workflow.faces.data.ViewHandler

All Implemented Interfaces:

Serializable
```
@Named
@RequestScoped
public class ViewHandler
extends Object
implements Serializable
```
The ViewHandler is a @RequestScoped CDI bean computing the result defined by a ViewController.

Version:

0.0.1

Author:

rsoika

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

ViewHandler()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`back(ViewController viewController)`
`void`	`forward(ViewController viewController)`
`List<org.imixs.workflow.ItemCollection>`	`getData(ViewController viewController)`	Returns the current view result.
`void`	`init()`
`void`	`onLoad(ViewController viewController)`	This method can be used in ajax forms to pre-compute the result set for further rendering.

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

- Constructor Detail
  - ViewHandler
```
public ViewHandler()
```
- Method Detail
  - init
```
@PostConstruct
public void init()
```
  - onLoad
```
public void onLoad(ViewController viewController)
            throws org.imixs.workflow.exceptions.QueryException
```
    This method can be used in ajax forms to pre-compute the result set for further rendering.
    
    Parameters:
    
    viewController -
    
    Throws:
    
    org.imixs.workflow.exceptions.QueryException
  - forward
```
public void forward(ViewController viewController)
```
  - back
```
public void back(ViewController viewController)
```
  - getData
```
public List<org.imixs.workflow.ItemCollection> getData(ViewController viewController)
                                                throws org.imixs.workflow.exceptions.QueryException
```
    Returns the current view result. The returned result set is defined by the current query definition.
    The method implements a lazy loading mechanism and caches the result locally.
    
    Returns:
    
    view result
    
    Throws:
    
    org.imixs.workflow.exceptions.QueryException