commonMain.com.harmony.kotlin.data.query.Query.kt Maven / Gradle / Ivy

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package com.harmony.kotlin.data.query

// Queries

open class Query

object VoidQuery : Query()

// Single object query
open class ObjectQuery(val value: T) : Query()

// Collection objects query
open class ObjectsQuery(val values: Collection) : Query()

// Generic all object query supporting key value
open class AllObjectsQuery : KeyQuery("all-objects-key")

open class IdQuery(val identifier: T) : KeyQuery(identifier.toString())

open class IntegerIdQuery(val id: Int) : IdQuery(id)

open class StringIdQuery(val id: String) : IdQuery(id)

open class IdsQuery(val identifiers: Collection) : KeyQuery(identifiers.toString())

open class IntegerIdsQuery(val ids: Collection) : IdsQuery(ids)

open class PaginationQuery(identifier: String) : KeyQuery(identifier)

open class PaginationOffsetLimitQuery(identifier: String, val offset: Int, val limit: Int) : PaginationQuery("$identifier-$offset-$limit")

// Key value queries
open class KeyQuery(val key: String /* key associated to the query */) : Query()

// Extensions
inline fun  IdQuery<*>.asTyped(): IdQuery? = (this.identifier as? T)?.let { IdQuery(it) }

// inline fun  KeyQuery<*>.asTyped(): KeyQuery? = (this.key as? T)?.let { KeyQuery(it) }

// fun  KeyQuery<*>.isTyped(type: Class): Boolean {
//  return type.isAssignableFrom(this.key!!::class.java.componentType)
// }