WritableContainerValue (JavaDocs for mmm-all 1.0.0-SNAPSHOT)

Type Parameters:

C - type of the container value.

E - type of the contained elements (collection element or map value).

All Superinterfaces:

ReadableContainerValue<C,E>, ReadableObjectValue<C>, ReadableTypedObjectValue<C>, ReadableTypedValue<C>, ReadableValue<C>, Supplier<C>, WritableObjectValue<C>, WritableValue<C>

All Known Subinterfaces:

io.github.mmm.property.container.collection.WritableCollectionProperty<V,E>, WritableCollectionValue<C,E>, WritableContainerProperty<V,E>, WritableListProperty<E>, WritableListValue<E>, WritableMapProperty<K,V>, WritableMapValue<K,V>, WritableSetProperty<E>, WritableSetValue<E>

All Known Implementing Classes:

io.github.mmm.property.container.collection.CollectionProperty, ContainerProperty, ListProperty, MapProperty, SetProperty
```
public interface WritableContainerValue<C,E>
extends ReadableContainerValue<C,E>, WritableObjectValue<C>
```
WritableObjectValue for container values (e.g. Collection or Map).

Since:

1.0.0

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  C getOrCreate()
  - Methods inherited from interface io.github.mmm.value.observable.container.ReadableContainerValue
    isEmpty, size
  - Methods inherited from interface io.github.mmm.value.observable.object.ReadableObjectValue
    getSafe, getValue
  - Methods inherited from interface io.github.mmm.value.ReadableTypedValue
    getValueClass
  - Methods inherited from interface io.github.mmm.value.ReadableValue
    get
  - Methods inherited from interface io.github.mmm.value.observable.object.WritableObjectValue
    setValue
  - Methods inherited from interface io.github.mmm.value.WritableValue
    set

- Method Detail
  - getOrCreate
```
C getOrCreate()
```
    Returns:
    
    the current null-safe value. Unlike ReadableValue.getSafe() this method will modify and initialize the value with an empty mutable container if it was null.