DataLengthViolationException (exedio persistence)

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - com.exedio.cope.ConstraintViolationException
      - com.exedio.cope.DataLengthViolationException

All Implemented Interfaces:

Serializable
```
public final class DataLengthViolationException
extends ConstraintViolationException
```
Signals, that an attempt to write a data field has been failed, because value to be written violated the length constraint on that field. This exception will be thrown by DataField.set(Item,byte[]) etc. and item constructors.

Author:

Ralf Wiebicke

See Also:

Serialized Form

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`DataField`	`getDataAttribute()`	Deprecated. Renamed to `getFeature()`.
`DataField`	`getFeature()`	Returns the field, that was attempted to be written.
`long`	`getLength()`	Returns the length of the data, that was attempted to be written.
`String`	`getMessage(boolean withFeature)`
`boolean`	`isLengthExact()`	Returns, whether the value returned by `getLength()` is the exact length of the data attempted to be written (true) or just a lower bound of that length (false).

Methods inherited from class com.exedio.cope.ConstraintViolationException
getItem, getItemID, getItemPhrase, getItemText, getMessage, getMessageWithoutFeature

Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

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

- Method Detail
  - getFeature
```
public DataField getFeature()
```
    Returns the field, that was attempted to be written.
    
    Specified by:
    
    getFeature in class ConstraintViolationException
  - getLength
```
public long getLength()
```
    Returns the length of the data, that was attempted to be written. Returns -1, if that length is unknown.
    
    See Also:
    
    isLengthExact()
  - isLengthExact
```
public boolean isLengthExact()
```
    Returns, whether the value returned by getLength() is the exact length of the data attempted to be written (true) or just a lower bound of that length (false).
  - getMessage
```
public String getMessage(boolean withFeature)
```
    Specified by:
    
    getMessage in class ConstraintViolationException
  - getDataAttribute
```
@Deprecated
public DataField getDataAttribute()
```
    Deprecated.
    Renamed to getFeature().