hu.bme.mit.theta.xcfa.cli.utils.CachingFileSerializer.kt Maven / Gradle / Ivy

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Xcfa Cli subproject in the Theta model checking framework

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/*
 *  Copyright 2024 Budapest University of Technology and Economics
 *
 *  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 hu.bme.mit.theta.xcfa.cli.utils

import java.io.File

object CachingFileSerializer {

    private val cache: MutableMap, File> = LinkedHashMap()

    /**
     * key: unique id for serialization groups
     * obj: object to serialize
     * func: generator function if a cache miss occurs
     */
    fun serialize(key: String, obj: Any, func: (Any) -> String): File =
        if (cache.containsKey(Pair(key, obj))) {
            cache[Pair(key, obj)]!!
        } else {
            val str = func(obj)
            val pattern = key.split(".")
            val file = File.createTempFile(pattern.subList(0, pattern.size - 1).joinToString("."), "." + pattern.last())
            file.deleteOnExit()
            file.writeText(str)
            cache[Pair(key, obj)] = file
            file
        }
}