/
ClyWrapperQuery.class.st
61 lines (46 loc) · 1.42 KB
/
ClyWrapperQuery.class.st
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"
I represent hierarchy of wrapper queries.
The wrapper query is a single item composite query which uses single subquery in own execution logic.
To create my instances use #for: message:
ClyWrapperQuery for: aQuery
Subclasses can use #actualQuery to access single subquery for convenience.
I redefine #description to look like subquery by default.
"
Class {
#name : #ClyWrapperQuery,
#superclass : #ClyCompositeQuery,
#category : #'Calypso-NavigationModel-Query'
}
{ #category : #'instance creation' }
ClyWrapperQuery class >> for: aQuery [
^self with: { aQuery }
]
{ #category : #accessing }
ClyWrapperQuery >> actualQuery [
^subqueries anyOne
]
{ #category : #printing }
ClyWrapperQuery >> description [
^self actualQuery description
]
{ #category : #printing }
ClyWrapperQuery >> printExtraInfoOn: aStream [
^aStream nextPutAll: self description
]
{ #category : #accessing }
ClyWrapperQuery >> subqueries: queriesCollection [
queriesCollection size = 1 ifFalse: [ self error: 'Wrapper query should include single subquery' ].
super subqueries: queriesCollection
]
{ #category : #converting }
ClyWrapperQuery >> withResult: aQueryResult [
| newQuery |
newQuery := super withResult: aQueryResult.
newQuery subqueries: (subqueries collect: [ :each | each withResult: aQueryResult ]).
^newQuery
]
{ #category : #converting }
ClyWrapperQuery >> withSubqueries: newSubqueries [
^self copy
subqueries: newSubqueries
]