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EclipseLink 2.4.2, build 'v20130514-5956486' API Reference | ||||||||
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java.lang.Objectorg.eclipse.persistence.indirection.ValueHolder
public class ValueHolder
Purpose: Act as a place holder for a variable that required a value holder interface. This class should be used to initialze an objects attributes that are using indirection is their mappings.
Field Summary | |
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protected java.lang.Object |
value
Stores the wrapped object. |
Fields inherited from interface org.eclipse.persistence.indirection.ValueHolderInterface |
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shouldToStringInstantiate |
Constructor Summary | |
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ValueHolder()
PUBLIC: Initialize the holder. |
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ValueHolder(java.lang.Object value)
PUBLIC: Initialize the holder with an object. |
Method Summary | |
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java.lang.Object |
clone()
INTERNAL: |
java.lang.Object |
getValue()
PUBLIC: Return the wrapped object. |
boolean |
isCoordinatedWithProperty()
Used as part of the implementation of WeavedAttributeValueHolderInterface Used to track whether a valueholder that has been weaved into a class is coordinated with the underlying property |
boolean |
isInstantiated()
PUBLIC: Return a boolean indicating whether the wrapped object has been set or not. |
boolean |
isNewlyWeavedValueHolder()
Used as part of the implementation of WeavedAttributeValueHolderInterface Used to determine if this ValueHolder was added instantiated as part of the constructor of a weaved class |
void |
setIsCoordinatedWithProperty(boolean coordinated)
Used as part of the implementation of WeavedAttributeValueHolderInterface Used to track whether a valueholder that has been weaved into a class is coordinated with the underlying property This method will be called internall when the state of Coordination between the weaved valueholder and the underlying value is known |
void |
setIsNewlyWeavedValueHolder(boolean isNew)
Used as part of the implementation of WeavedAttributeValueHolderInterface Used to determine if this ValueHolder was added instantiated as part of the constructor of a weaved class This method will be called when a ValueHolder is instantiated in a weaved class |
void |
setValue(java.lang.Object value)
PUBLIC: Set the wrapped object. |
boolean |
shouldAllowInstantiationDeferral()
INTERNAL: Return if add/remove should trigger instantiation or avoid. |
java.lang.String |
toString()
INTERNAL: |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected java.lang.Object value
Constructor Detail |
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public ValueHolder()
public ValueHolder(java.lang.Object value)
Method Detail |
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public java.lang.Object clone()
clone
in interface ValueHolderInterface
clone
in class java.lang.Object
public java.lang.Object getValue()
getValue
in interface ValueHolderInterface
public boolean isCoordinatedWithProperty()
isCoordinatedWithProperty
in interface WeavedAttributeValueHolderInterface
public boolean isNewlyWeavedValueHolder()
isNewlyWeavedValueHolder
in interface WeavedAttributeValueHolderInterface
public boolean isInstantiated()
isInstantiated
in interface ValueHolderInterface
public void setIsCoordinatedWithProperty(boolean coordinated)
setIsCoordinatedWithProperty
in interface WeavedAttributeValueHolderInterface
public void setIsNewlyWeavedValueHolder(boolean isNew)
setIsNewlyWeavedValueHolder
in interface WeavedAttributeValueHolderInterface
public void setValue(java.lang.Object value)
setValue
in interface ValueHolderInterface
public boolean shouldAllowInstantiationDeferral()
shouldAllowInstantiationDeferral
in interface WeavedAttributeValueHolderInterface
public java.lang.String toString()
toString
in class java.lang.Object
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