jetbrains.exodus.io.WatchingFileDataReaderWriterProvider.kt Maven / Gradle / Ivy

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/**
 * Copyright 2010 - 2022 JetBrains s.r.o.
 *
 * 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
 *
 * https://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 jetbrains.exodus.io

class WatchingFileDataReaderWriterProvider : FileDataReaderWriterProvider() {

    override fun isReadonly() = true

    override fun newFileDataReader(location: String) =
            WatchingFileDataReader({ env }, (super.newFileDataReader(location) as FileDataReader).apply {
                usedWithWatcher = true
            })

    override fun newFileDataWriter(location: String, reader: DataReader) =
            WatchingFileDataWriter((reader as WatchingFileDataReader).fileDataReader, env?.environmentConfig?.logLockId)
}