Class PropertyImpl
- Object
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- PropertyImpl
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- All Implemented Interfaces:
Property
- Direct Known Subclasses:
AssociationImpl
,AttributeImpl
public abstract class PropertyImpl extends Object implements Property
Implementation of Property.- Author:
- Justin Deoliveira, The Open Planning Project
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Field Summary
Fields Modifier and Type Field Description protected PropertyDescriptor
descriptor
descriptor of the propertyprotected Object
value
content of the property
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Constructor Summary
Constructors Modifier Constructor Description protected
PropertyImpl(Object value, PropertyDescriptor descriptor)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(Object obj)
PropertyDescriptor
getDescriptor()
ThePropertyDscriptor
of the property, null if this is a top-level value.Name
getName()
The name of the property with respect to its descriptor.PropertyType
getType()
The type of the property.Map<Object,Object>
getUserData()
A map of "user data" which enables applications to store "application-specific" information against a property.Object
getUserData(Object key)
Object
getValue()
The value or content of the property.int
hashCode()
boolean
isNillable()
Flag indicating ifnull
is an acceptable value for the property.void
setValue(Object value)
Sets the value or content of the property.String
toString()
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Methods inherited from interface Property
hasUserData
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Field Detail
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value
protected Object value
content of the property
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descriptor
protected PropertyDescriptor descriptor
descriptor of the property
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Constructor Detail
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PropertyImpl
protected PropertyImpl(Object value, PropertyDescriptor descriptor)
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Method Detail
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getValue
public Object getValue()
Description copied from interface:Property
The value or content of the property.The class of this object is defined by
getType().getBinding()
.This value may be
null
. In this casegetDescriptor().isNillable()
would betrue
.
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setValue
public void setValue(Object value)
Description copied from interface:Property
Sets the value or content of the property.The class of newValue should be the same as or a subclass of
getType().getBinding()
.newValue may be
null
ifgetDescriptor().isNillable()
istrue
.
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getDescriptor
public PropertyDescriptor getDescriptor()
Description copied from interface:Property
ThePropertyDscriptor
of the property, null if this is a top-level value.The descriptor provides information about the property with respect to its containing entity (more often then not a
Feature
orComplexAttribute
.- Specified by:
getDescriptor
in interfaceProperty
- Returns:
- The property descriptor, null if this is a top-level value.
- See Also:
ComplexAttribute
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getName
public Name getName()
Description copied from interface:Property
The name of the property with respect to its descriptor.This method is convenience for
getDescriptor().getName()
.
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getType
public PropertyType getType()
Description copied from interface:Property
The type of the property.The type contains information about the value or content of the property such as its java class.
This value is also available via
getDescriptor().getType()
.
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isNillable
public boolean isNillable()
Description copied from interface:Property
Flag indicating ifnull
is an acceptable value for the property.This method is convenience for
getDescriptor().isNillable()
.- Specified by:
isNillable
in interfaceProperty
- Returns:
true
if the value of the property is allowed to benull
, otherwisefalse
.
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getUserData
public Map<Object,Object> getUserData()
Description copied from interface:Property
A map of "user data" which enables applications to store "application-specific" information against a property.An example of information that may wish to be stored along with an attribute could be its srs information (in the case of a geometric attribute ).
GeometryAttribute attribute = ...; //set the crs CoordinateReferenceSystem crs = CRS.decode("EPSG:4326"); attribute.setCRS( crs ); //set the srs attribute.getUserData().put( "srs", "EPSG:4326" );
- Specified by:
getUserData
in interfaceProperty
- Returns:
- A map of user data.
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