com.github.charleslzq.facestore.FaceStore.kt Maven / Gradle / Ivy

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interfaces to use store faces

There is a newer version: 1.0.1-RC2

package com.github.charleslzq.facestore

import org.joda.time.LocalDateTime
import rx.Observable

/**
 * Created by charleslzq on 18-2-28.
 */
fun  createObservableFromNullable(data: T?): Observable = Observable.create {
    data?.run { it.onNext(this) }
    it.onCompleted()
}

fun  createObservableFromNullable(generator: () -> T?): Observable = Observable.create {
    generator()?.run { it.onNext(this) }
    it.onCompleted()
}

interface Meta {
    val id: String
    val createTime: LocalDateTime
    val updateTime: LocalDateTime
}

data class FaceData(val person: P, val faces: List = emptyList())

interface FaceDataType {
    val personClass: Class

    val faceClass: Class
}

interface ReadOnlyFaceStore
 {
    val dataType: FaceDataType
    fun getPersonIds(): List = emptyList()
    fun getPersonIdsAsObservable(): Observable = Observable.from(getPersonIds())
    fun getFaceData(personId: String): FaceData? = null
    fun getFaceDataAsObservable(personId: String): Observable> = createObservableFromNullable(getFaceData(personId))
    fun getPerson(personId: String): P? = null
    fun getPersonAsObservable(personId: String): Observable
 = createObservableFromNullable(getPerson(personId))
    fun getFaceIdList(personId: String): List = emptyList()
    fun getFaceIdListAsObservable(personId: String): Observable = Observable.from(getFaceIdList(personId))
    fun getFace(personId: String, faceId: String): F? = null
    fun getFaceAsObservable(personId: String, faceId: String): Observable = createObservableFromNullable(getFace(personId, faceId))
}

interface ReadWriteFaceStore
 : ReadOnlyFaceStore {
    fun savePerson(person: P) {}
    fun saveFace(personId: String, face: F) {}
    fun saveFaceData(faceData: FaceData) {}
    fun deleteFaceData(personId: String) {}
    fun deleteFace(personId: String, faceId: String) {}
    fun clearFace(personId: String) {}
}

interface FaceStoreChangeListener {
    fun onPersonUpdate(person: P) {}
    fun onFaceUpdate(personId: String, face: F) {}
    fun onFaceDataDelete(personId: String) {}
    fun onFaceDelete(personId: String, faceId: String) {}
    fun onPersonFaceClear(personId: String) {}
}

abstract class CompositeReadWriteFaceStore(
        readOnlyStore: ReadOnlyFaceStore
) : ReadOnlyFaceStore by readOnlyStore, ReadWriteFaceStore