Controlling database flow using Room and RxJava2

build.gradle

apply plugin: ‘kotlin-kapt’

android {
    ---
}

dependencies {
    // RxKotlin and RxAndroid
    compile "io.reactivex.rxjava2:rxkotlin:2.0.0"
    compile "io.reactivex.rxjava2:rxandroid:2.0.1"

    // Room
    compile "android.arch.persistence.room:runtime:1.0.0-alpha2"
    compile "android.arch.persistence.room:rxjava2:1.0.0-alpha2"
    kapt "android.arch.persistence.room:compiler:1.0.0-alpha2"
}

repositories {
    jcenter()
    maven {
        url "https://maven.google.com"
    }
}