Package org.openhab.core.library.types
Class ArithmeticGroupFunction.Sum
java.lang.Object
org.openhab.core.library.types.ArithmeticGroupFunction.Sum
- All Implemented Interfaces:
GroupFunction
- Enclosing interface:
- ArithmeticGroupFunction
This calculates the numeric sum over all item states of decimal type.
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Nested Class Summary
Nested classes/interfaces inherited from interface org.openhab.core.items.GroupFunction
GroupFunction.Equality
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionDetermines the current state of a group based on a list of itemsState[]
Returns the parameters of the function as an array.<T extends State>
@Nullable TgetStateAs
(@Nullable Set<Item> items, Class<T> stateClass) Calculates the group state and returns it as a state of the requested type.
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Constructor Details
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Sum
public Sum()
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Method Details
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calculate
Description copied from interface:GroupFunction
Determines the current state of a group based on a list of items- Specified by:
calculate
in interfaceGroupFunction
- Parameters:
items
- the items to calculate a group state for- Returns:
- the calculated group state
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getStateAs
Description copied from interface:GroupFunction
Calculates the group state and returns it as a state of the requested type.- Specified by:
getStateAs
in interfaceGroupFunction
- Parameters:
items
- the items to calculate a group state forstateClass
- the type in which the state should be returned- Returns:
- the calculated group state of the requested type or null, if type is not supported
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getParameters
Description copied from interface:GroupFunction
Returns the parameters of the function as an array.- Specified by:
getParameters
in interfaceGroupFunction
- Returns:
- the parameters of this function
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