org.apache.openjpa.lib.conf
Class ObjectValue

java.lang.Object
  extended by org.apache.openjpa.lib.conf.Value
      extended by org.apache.openjpa.lib.conf.ObjectValue
All Implemented Interfaces:
Cloneable
Direct Known Subclasses:
PluginListValue, PluginValue

public class ObjectValue
extends Value

An object Value.

Author:
Abe White

Constructor Summary
ObjectValue(String prop)
           
 
Method Summary
 Object get()
          The internal value.
protected  String getInternalString()
          Return the internal string form of this value.
 Class getValueType()
          Returns the type of the property that this Value represents.
 Object instantiate(Class type, Configuration conf)
          Instantiate the object as an instance of the given class.
 Object instantiate(Class type, Configuration conf, boolean fatal)
          Instantiate the object as an instance of the given class.
 Object newInstance(String clsName, Class type, Configuration conf, boolean fatal)
          Allow subclasses to instantiate additional plugins.
protected  void objectChanged()
          Implement this method to synchronize internal data with the new object value.
 void set(Object obj)
          The internal value.
 void set(Object obj, boolean derived)
          The internal value.
protected  void setInternalObject(Object obj)
          Set this value from an object.
protected  void setInternalString(String str)
          Set this value from the given string.
 
Methods inherited from class org.apache.openjpa.lib.conf.Value
alias, alias, assertChangeable, clone, equals, getAliases, getDefault, getInstantiatingGetter, getListener, getLoadKey, getOriginalValue, getProperty, getScope, getString, hashCode, isAliasListComprehensive, isDynamic, setAlias, setAlias, setAliases, setAliasListComprehensive, setDefault, setDynamic, setInstantiatingGetter, setListener, setLoadKey, setObject, setProperty, setScope, setString, unalias, unalias, valueChanged
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ObjectValue

public ObjectValue(String prop)
Method Detail

get

public Object get()
The internal value.


set

public void set(Object obj)
The internal value.


set

public void set(Object obj,
                boolean derived)
The internal value.

Parameters:
derived - if true, this value was derived from other properties

instantiate

public Object instantiate(Class type,
                          Configuration conf)
Instantiate the object as an instance of the given class. Equivalent to instantiate(type, conf, true).


instantiate

public Object instantiate(Class type,
                          Configuration conf,
                          boolean fatal)
Instantiate the object as an instance of the given class.


newInstance

public Object newInstance(String clsName,
                          Class type,
                          Configuration conf,
                          boolean fatal)
Allow subclasses to instantiate additional plugins. This method does not perform configuration.


getValueType

public Class getValueType()
Description copied from class: Value
Returns the type of the property that this Value represents.

Specified by:
getValueType in class Value

objectChanged

protected void objectChanged()
Implement this method to synchronize internal data with the new object value.


getInternalString

protected String getInternalString()
Description copied from class: Value
Return the internal string form of this value.

Specified by:
getInternalString in class Value

setInternalString

protected void setInternalString(String str)
Description copied from class: Value
Set this value from the given string.

Specified by:
setInternalString in class Value

setInternalObject

protected void setInternalObject(Object obj)
Description copied from class: Value
Set this value from an object.

Specified by:
setInternalObject in class Value


Copyright © 2006-2008 Apache Software Foundation. All Rights Reserved.