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QueryNode Class

Modifiers: final
A class representing a node in a query tree.

Signature

class QueryNode(val type: QueryNodeType, val args: Array<Int>?, val queryBuilder: QueryBuilder)

Constructors

QueryNode ( type , args , queryBuilder )
Signature 
constructor(type: QueryNodeType, args: Array<Int>?, queryBuilder: QueryBuilder)
Parameters
args: Array?
queryBuilder: QueryBuilder
Returns

Properties

args : Array?
[Get]
Signature 
val args: Array<Int>?
left : QueryNode?
[Get][Set]
Signature 
var left: QueryNode?
parent : QueryNode?
[Get][Set]
Signature 
var parent: QueryNode?
queryBuilder : QueryBuilder
[Get]
Signature 
val queryBuilder: QueryBuilder
right : QueryNode?
[Get][Set]
Signature 
var right: QueryNode?
type : QueryNodeType
[Get]
Signature 
val type: QueryNodeType

Functions

and ( b )
Performs a logical AND operation on multiple queries.
The resulting query will match entities that match ALL of the input queries.
Example: 
// Find entities that have both a Mesh and a Transform component
val query = Query.where { has(Mesh.id) and has(Transform.id) }
// Find entities that have a Grabbable component and have had their Transform changed
val query = Query.where { has(Grabbable.id) and changed(Transform.id) }
Signature 
infix fun and(b: QueryNode): QueryNode
Parameters
  The other query node.
Returns
  A new query node representing the AND operation.
or ( b )
Performs a logical OR operation on multiple queries.
The resulting query will match entities that match ANY of the input queries.
Example: 
// Find entities that have either a Mesh or a Panel component
val query = Query.where { has(Mesh.id) or has(Panel.id) }
Signature 
infix fun or(b: QueryNode): QueryNode
Parameters
  The other query node.
Returns
  A new query node representing the OR operation.
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Virtual reality / Meta Horizon
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