Package org.openhab.core.semantics

Class SemanticsPredicates

java.lang.Object

org.openhab.core.semantics.SemanticsPredicates

@NonNullByDefault
public class SemanticsPredicates
extends Object

This class provides predicates that allow filtering item streams with regards to their semantics.

Author:

Kai Kreuzer - Initial contribution

Constructor Summary

Constructors

Constructor	Description
SemanticsPredicates()

Method Summary

Modifier and Type	Method	Description
static Predicate<Item>	isA(Class<? extends Tag> type)	Creates a Predicate which can be used to filter Items that represent a given semantic type.
static Predicate<Item>	isEquipment()	Creates a Predicate which can be used to filter Items that represent an Equipment.
static Predicate<Item>	isLocation()	Creates a Predicate which can be used to filter Items that represent a Location.
static Predicate<Item>	isPoint()	Creates a Predicate which can be used to filter Items that represent a Point.
static Predicate<Item>	relatesTo(Class<? extends Property> property)	Creates a Predicate which can be used to filter Items that relates to a given property.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SemanticsPredicates

public SemanticsPredicates()

Method Details

isLocation

public static Predicate<Item> isLocation()

Creates a Predicate which can be used to filter Items that represent a Location.

Returns:

created Predicate

isEquipment

public static Predicate<Item> isEquipment()

Creates a Predicate which can be used to filter Items that represent an Equipment.

Returns:

created Predicate

isPoint

public static Predicate<Item> isPoint()

Creates a Predicate which can be used to filter Items that represent a Point.

Returns:

created Predicate

isA

public static Predicate<Item> isA(Class<? extends Tag> type)

Creates a Predicate which can be used to filter Items that represent a given semantic type.

Parameters:

type - the semantic type to filter for

Returns:

created Predicate

relatesTo

public static Predicate<Item> relatesTo(Class<? extends Property> property)

Creates a Predicate which can be used to filter Items that relates to a given property.

Parameters:

property - the semantic property to filter for

Returns:

created Predicate