ObjectValue (OpenJPA 0.9.7-incubating API)
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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 ObjectValueextends Value
An object Value.
Author:
Abe White
Constructor Summary
ObjectValue(String&nbsp;prop)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;
Method Summary
&nbsp;Object
get()
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The internal value.
protected &nbsp;String
getInternalString()
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the internal string form of this value.
&nbsp;Class
getValueType()
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the type of the property that this Value represents.
&nbsp;Object
instantiate(Class&nbsp;type,
Configuration&nbsp;conf)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Instantiate the object as an instance of the given class.
&nbsp;Object
instantiate(Class&nbsp;type,
Configuration&nbsp;conf,
boolean&nbsp;fatal)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Instantiate the object as an instance of the given class.
&nbsp;Object
newInstance(String&nbsp;clsName,
Class&nbsp;type,
Configuration&nbsp;conf,
boolean&nbsp;fatal)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allow subclasses to instantiate additional plugins.
protected &nbsp;void
objectChanged()
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Implement this method to synchronize internal data with the new
object value.
&nbsp;void
set(Object&nbsp;obj)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The internal value.
&nbsp;void
set(Object&nbsp;obj,
boolean&nbsp;derived)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The internal value.
protected &nbsp;void
setInternalObject(Object&nbsp;obj)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set this value from an object.
protected &nbsp;void
setInternalString(String&nbsp;str)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set this value from the given string.
&nbsp;
Methods inherited from class org.apache.openjpa.lib.conf.Value
alias, alias, clone, equals, getAliases, getDefault, getInstantiatingGetter, getListener, getLoadKey, getProperty, getScope, getString, hashCode, isAliasListComprehensive, setAlias, setAlias, setAliases, setAliasListComprehensive, setDefault, setInstantiatingGetter, setListener, setLoadKey, setObject, setProperty, setScope, setString, unalias, unalias, valueChanged
&nbsp;
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
&nbsp;
Constructor Detail
ObjectValue
public ObjectValue(String&nbsp;prop)
Method Detail
get
public Object get()
The internal value.
set
public void set(Object&nbsp;obj)
The internal value.
set
public void set(Object&nbsp;obj,
boolean&nbsp;derived)
The internal value.
Parameters:derived - if true, this value was derived from other properties
instantiate
public Object instantiate(Class&nbsp;type,
Configuration&nbsp;conf)
Instantiate the object as an instance of the given class. Equivalent
to instantiate(type, conf, true).
instantiate
public Object instantiate(Class&nbsp;type,
Configuration&nbsp;conf,
boolean&nbsp;fatal)
Instantiate the object as an instance of the given class.
newInstance
public Object newInstance(String&nbsp;clsName,
Class&nbsp;type,
Configuration&nbsp;conf,
boolean&nbsp;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&nbsp;str)
Description copied from class: Value
Set this value from the given string.
Specified by:setInternalString in class Value
setInternalObject
protected void setInternalObject(Object&nbsp;obj)
Description copied from class: Value
Set this value from an object.
Specified by:setInternalObject in class Value
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