org.apache.openjpa.lib.conf
Class ObjectValue

java.lang.Object
  org.apache.openjpa.lib.conf.Value
      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

addListener, alias, alias, assertChangeable, clone, equals, getAliases, getDefault, getInstantiatingGetter, getListeners, getLoadKey, getOriginalValue, getProperty, getScope, getString, hashCode, isAliasListComprehensive, isDynamic, removeListener, setAlias, setAlias, setAliases, setAliasListComprehensive, setDefault, setDynamic, setInstantiatingGetter, 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