```
public interface OpCallbacks
```
Allows facades to control the particulars of persistence operations through callbacks.

Author:

Abe White

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ACT_CASCADE`
`static int`	`ACT_NONE`
`static int`	`ACT_RUN`
`static int`	`OP_ATTACH`
`static int`	`OP_DELETE`
`static int`	`OP_DETACH`
`static int`	`OP_EVICT`
`static int`	`OP_LOCK`
`static int`	`OP_NONTRANSACTIONAL`
`static int`	`OP_PERSIST`
`static int`	`OP_REFRESH`
`static int`	`OP_RELEASE`
`static int`	`OP_RETRIEVE`
`static int`	`OP_TRANSACTIONAL`

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`processArgument(int op, java.lang.Object arg, OpenJPAStateManager sm)`	Process operation argument.

- Field Detail
  - OP_PERSIST
```
static final int OP_PERSIST
```
    See Also:
    
    Constant Field Values
  - OP_DELETE
```
static final int OP_DELETE
```
    See Also:
    
    Constant Field Values
  - OP_REFRESH
```
static final int OP_REFRESH
```
    See Also:
    
    Constant Field Values
  - OP_RETRIEVE
```
static final int OP_RETRIEVE
```
    See Also:
    
    Constant Field Values
  - OP_RELEASE
```
static final int OP_RELEASE
```
    See Also:
    
    Constant Field Values
  - OP_EVICT
```
static final int OP_EVICT
```
    See Also:
    
    Constant Field Values
  - OP_ATTACH
```
static final int OP_ATTACH
```
    See Also:
    
    Constant Field Values
  - OP_DETACH
```
static final int OP_DETACH
```
    See Also:
    
    Constant Field Values
  - OP_NONTRANSACTIONAL
```
static final int OP_NONTRANSACTIONAL
```
    See Also:
    
    Constant Field Values
  - OP_TRANSACTIONAL
```
static final int OP_TRANSACTIONAL
```
    See Also:
    
    Constant Field Values
  - OP_LOCK
```
static final int OP_LOCK
```
    See Also:
    
    Constant Field Values
  - ACT_NONE
```
static final int ACT_NONE
```
    See Also:
    
    Constant Field Values
  - ACT_CASCADE
```
static final int ACT_CASCADE
```
    See Also:
    
    Constant Field Values
  - ACT_RUN
```
static final int ACT_RUN
```
    See Also:
    
    Constant Field Values
- Method Detail
  - processArgument
```
int processArgument(int op,
                    java.lang.Object arg,
                    OpenJPAStateManager sm)
```
    Process operation argument. Throw proper OpenJPAException for illegal value.
    
    Parameters:
    
    op - the operation constant
    
    arg - the object passed to the operation
    
    sm - the argument's state manager, or null if none
    
    Returns:
    
    the action to take on the argument

Interface OpCallbacks

Field Summary

Method Summary

Field Detail

OP_PERSIST

OP_DELETE

OP_REFRESH

OP_RETRIEVE

OP_RELEASE

OP_EVICT

OP_ATTACH

OP_DETACH

OP_NONTRANSACTIONAL

OP_TRANSACTIONAL

OP_LOCK

ACT_NONE

ACT_CASCADE

ACT_RUN

Method Detail

processArgument