org.jetbrains.jet.lang.resolve.kotlin.incremental.IncrementalCacheProvider.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2014 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
*
* 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 org.jetbrains.jet.lang.resolve.kotlin.incremental
import java.io.File
import java.util.ServiceLoader
public trait IncrementalCacheProvider {
// IncrementalCache should be always closed after using
public fun getIncrementalCache(baseDir: File): IncrementalCache
public class object {
public fun getInstance(): IncrementalCacheProvider? {
val serviceLoader = ServiceLoader.load(javaClass(), javaClass().getClassLoader())
val implementations = serviceLoader.toList()
if (implementations.size > 1) {
throw IllegalStateException("More than one IncrementalCacheProvider: " + implementations)
}
return implementations.firstOrNull()
}
}
}