IdMapKeyAccessor (cayenne-doc: Cayenne Documentation 4.2 API)

java.lang.Object
- org.apache.cayenne.reflect.IdMapKeyAccessor

All Implemented Interfaces:

Serializable, Accessor
```
public class IdMapKeyAccessor
extends Object
implements Accessor
```
A stateless read-only accessor of the map key value that is based on the Persistent object id. For single-column ID's the accessor returns a single value (e.g. an Integer). For multi-column ID's it returns the ObjectId.

Since:

3.0

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static Accessor SHARED_ACCESSOR

Constructor Summary

Constructors
Constructor Description

IdMapKeyAccessor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getName()`	Returns property name.
`Object`	`getValue(Object object)`	Returns a property value of an object without disturbing the object fault status.
`void`	`setValue(Object object, Object newValue)`	Sets a property value of an object without disturbing the object fault status.

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

- Field Detail
  - SHARED_ACCESSOR
```
public static final Accessor SHARED_ACCESSOR
```
- Constructor Detail
  - IdMapKeyAccessor
```
public IdMapKeyAccessor()
```
- Method Detail
  - getName
```
public String getName()
```
    Description copied from interface: Accessor
    
    Returns property name.
    
    Specified by:
    
    getName in interface Accessor
  - getValue
```
public Object getValue(Object object)
                throws PropertyException
```
    Description copied from interface: Accessor
    
    Returns a property value of an object without disturbing the object fault status.
    
    Specified by:
    
    getValue in interface Accessor
    
    Throws:
    
    PropertyException
  - setValue
```
public void setValue(Object object,
                     Object newValue)
              throws PropertyException
```
    Description copied from interface: Accessor
    
    Sets a property value of an object without disturbing the object fault status. Old value of the property is specified as a hint.
    
    Specified by:
    
    setValue in interface Accessor
    
    Throws:
    
    PropertyException