com.zeoflow.depot.solver.binderprovider.LiveDataQueryResultBinderProvider.kt Maven / Gradle / Ivy
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The Depot persistence library provides an abstraction layer over SQLite to allow for more robust database access while using the full power of SQLite.
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/*
* Copyright (C) 2021 ZeoFlow SRL
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.zeoflow.depot.solver.binderprovider
import com.zeoflow.depot.ext.LifecyclesTypeNames
import com.zeoflow.depot.compiler.processing.XRawType
import com.zeoflow.depot.compiler.processing.XType
import com.zeoflow.depot.processor.Context
import com.zeoflow.depot.solver.ObservableQueryResultBinderProvider
import com.zeoflow.depot.solver.query.result.LiveDataQueryResultBinder
import com.zeoflow.depot.solver.query.result.QueryResultAdapter
import com.zeoflow.depot.solver.query.result.QueryResultBinder
class LiveDataQueryResultBinderProvider(context: Context) :
ObservableQueryResultBinderProvider(context) {
private val liveDataType: XRawType? by lazy {
context.processingEnv.findType(LifecyclesTypeNames.LIVE_DATA)?.rawType
}
override fun extractTypeArg(declared: XType): XType = declared.typeArguments.first()
override fun create(
typeArg: XType,
resultAdapter: QueryResultAdapter?,
tableNames: Set
): QueryResultBinder {
return LiveDataQueryResultBinder(
typeArg = typeArg,
tableNames = tableNames,
adapter = resultAdapter
)
}
override fun matches(declared: XType): Boolean =
declared.typeArguments.size == 1 && isLiveData(declared)
private fun isLiveData(declared: XType): Boolean {
if (liveDataType == null) {
return false
}
return declared.rawType.isAssignableFrom(liveDataType!!)
}
}