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  1. Realm Java SDK
  2. RJAVA-1183

Add posibility to remove all nested objects

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      Problem

      Version: android io.realm:realm-gradle-plugin:10.13.0

      add posibility to override fun deleteFromRealm, then I will add my implementation of deleting the parent object like this:

      override fun deleteFromRealm() {
        childs?.deleteAllFromRealm()
        super,deleteFromRealm()
    }

      I have:
      RParent:

      open class RParent constructor(
    @PrimaryKey
    @Required
    var id: String = "",
    var childs: RealmList<RChild>? = null
) : RealmObject() {

    override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (javaClass != other?.javaClass) return false

        other as RParent

        if (id != other.id) return false

        return true
    }

    override fun hashCode(): Int {
        return id.hashCode()
    }
}

      RChild:

      open class RChild constructor(
    @PrimaryKey
    @Required
    var id: String = UUID.randomUUID().toString(),
    var name: String = ""
) : RealmObject() {

    override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (javaClass != other?.javaClass) return false

        other as RChild

        if (id != other.id) return false

        return true
    }

    override fun hashCode(): Int {
        return id.hashCode()
    }
}

      Currently to remove RParent by id I use this func, also nested objects needs to be removed:

      val realm = Realm.getDefaultInstance()
val event = realm.where(RParent::class.java)
                 .equalTo("id", "parent1")
                 .findFirst()
event?.childs?.deleteAllFromRealm() // Removing all childs of the parent. I think the method needs to be improved.
event?.deleteFromRealm()
realm.close()

      I want to write common func for all my databases like this, but method deleteAllFromRealm doesn't remove nested list:

        suspend inline fun <reified T : RealmObject> inlineRemoveItemBySuspend(
        fieldName: String,
        fieldValue: String
    ): Boolean {
        return withContext(AppDispatchers.IO) {
            val realm = getRealm()
            try {
                realm.executeTransaction { realm ->
                    realm
                        .where(T::class.java)
                        .equalTo(fieldName, fieldValue)
                        .findAll()
                        ?.deleteAllFromRealm()
                }
            } finally {
                if (!realm.isClosed) {
                    realm.close()
                }
            }
            true
        }
    }

    fun getRealm() = Realm.getInstance(
        RealmConfiguration.Builder()
            .deleteRealmIfMigrationNeeded()
            .schemaVersion(dbVersionNumber.toLong())
            .encryptionKey(encryptionKey)
            .modules(baseModule, *additionalModules)
            .name("$name.realm").build()
    )

      The same for func io.realm.Realm#insertOrUpdate(io.realm.RealmModel)

      Solution

      No response

      Alternatives

      No response

      How important is this improvement for you?

      Would be a major improvement

      Feature would mainly be used with

      Local Database only

            Assignee:
            Unassigned Unassigned
            Reporter:
            unitosyncbot Unito Sync Bot
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              Created:
              Updated:
              Resolved: