org.simantics.databoard.reflection
Class ObjectVariantBinding

java.lang.Object
  extended by org.simantics.databoard.binding.Binding
      extended by org.simantics.databoard.binding.VariantBinding
          extended by org.simantics.databoard.reflection.ObjectVariantBinding
All Implemented Interfaces:
java.util.Comparator<java.lang.Object>

public class ObjectVariantBinding
extends VariantBinding

ObjectVariantBinding binds VarianType and Object.class. The implementation is immutable as Object.class is not a container, it is a value.

ObjectVariantBinding understands many classes Collections: ArrayList, List, LinkedList, int[], .., other arrays [], Map, TreeMap, HashMap, Set, HashSet, TreeSet, Strings: String immutable primitives: Integer, Boolean, ... mutable primitives: MutableInteger, MutableBoolean, ... classes: Record-classes, Bean-Classes, Immutable-Classes null is bound to a void.

Author:
Toni Kalajainen

Nested Class Summary
 
Nested classes/interfaces inherited from class org.simantics.databoard.binding.Binding
Binding.Visitor<T>, Binding.Visitor1
 
Field Summary
static ObjectVariantBinding INSTANCE
           
 
Constructor Summary
ObjectVariantBinding(ReflectionBinding reflection)
           
 
Method Summary
 void assertInstaceIsValid(java.lang.Object obj, java.util.Set<java.lang.Object> validInstances)
          Assert the obj is valid data type
 java.lang.Object create(java.lang.Object value, Binding binding)
          Create a new variant object.
 Binding getBinding(java.lang.Object variant)
          Returns a suggestion for the binding of the value of the variant.
 DataType getType(java.lang.Object variant)
           
 java.lang.Object getValue(java.lang.Object variant)
          Get the value of the variant.
 java.lang.Object getValue(java.lang.Object variant, Binding binding)
          Get the value in the variant.
 boolean isImmutable()
          Return true if the value is immutable.
 boolean isInstance(java.lang.Object obj)
           
 void setValue(java.lang.Object variant, java.lang.Object value, Binding binding)
          Set the value of an existing variant container.
 
Methods inherited from class org.simantics.databoard.binding.VariantBinding
accept, accept, createUnchecked, deepCompare, deepHashValue
 
Methods inherited from class org.simantics.databoard.binding.Binding
assertInstaceIsValid, clone, cloneUnchecked, compare, createDefault, createDefaultUnchecked, createRandom, createRandomUnchecked, equals, hashValue, parseValue, parseValue, parseValueDefinition, printValue, printValueDefinition, serializer, serializer, serializerUnchecked, type
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.util.Comparator
equals
 

Field Detail

INSTANCE

public static ObjectVariantBinding INSTANCE
Constructor Detail

ObjectVariantBinding

public ObjectVariantBinding(ReflectionBinding reflection)
Method Detail

create

public java.lang.Object create(java.lang.Object value,
                               Binding binding)
                        throws BindingException
Description copied from class: VariantBinding
Create a new variant object. The value argument may be included in the result.

Specified by:
create in class VariantBinding
Returns:
variant
Throws:
BindingException

getBinding

public Binding getBinding(java.lang.Object variant)
                   throws BindingException
Description copied from class: VariantBinding
Returns a suggestion for the binding of the value of the variant. The binding is a suggestion for most optimal usage.

Specified by:
getBinding in class VariantBinding
Returns:
binding
Throws:
BindingException

getType

public DataType getType(java.lang.Object variant)
                 throws BindingException
Specified by:
getType in class VariantBinding
Throws:
BindingException

getValue

public java.lang.Object getValue(java.lang.Object variant,
                                 Binding binding)
                          throws BindingException
Description copied from class: VariantBinding
Get the value in the variant. The returned value may represent internal value of variant.

Specified by:
getValue in class VariantBinding
Returns:
value
Throws:
BindingException

getValue

public java.lang.Object getValue(java.lang.Object variant)
                          throws BindingException
Description copied from class: VariantBinding
Get the value of the variant. The value is bound with the suggested binding, see VariantBinding.getBinding(Object).

Specified by:
getValue in class VariantBinding
Returns:
value
Throws:
BindingException

setValue

public void setValue(java.lang.Object variant,
                     java.lang.Object value,
                     Binding binding)
              throws BindingException
Description copied from class: VariantBinding
Set the value of an existing variant container. Note, This is not implemented in all bindings.

Specified by:
setValue in class VariantBinding
Throws:
BindingException

assertInstaceIsValid

public void assertInstaceIsValid(java.lang.Object obj,
                                 java.util.Set<java.lang.Object> validInstances)
                          throws BindingException
Description copied from class: Binding
Assert the obj is valid data type

Specified by:
assertInstaceIsValid in class Binding
Parameters:
obj - the instance
validInstances - optional set of already validated instances
Throws:
BindingException - on invalid instance

isInstance

public boolean isInstance(java.lang.Object obj)
Specified by:
isInstance in class Binding

isImmutable

public boolean isImmutable()
Description copied from class: Binding
Return true if the value is immutable. This question excludes the immutability of the component types.

Overrides:
isImmutable in class Binding
Returns:
true value if immutable