com.android.resources.base.RepositoryConfiguration.kt Maven / Gradle / Ivy
The newest version!
/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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.android.resources.base
import com.android.ide.common.resources.configuration.FolderConfiguration
import com.android.utils.HashCodes
/**
* A ([LoadableResourceRepository], [FolderConfiguration]) pair. Instances of [BasicResourceItemBase] contain
* a reference to an `RepositoryConfiguration` instead of two separate references to [LoadableResourceRepository]
* and [FolderConfiguration]. This indirection saves memory because the number of `RepositoryConfiguration`
* instances is tiny fraction of the number of [BasicResourceItemBase] instances.
*/
class RepositoryConfiguration(repository: LoadableResourceRepository, val folderConfiguration: FolderConfiguration) {
var repository = repository
private set
/**
* Makes [repository] the owner of this `RepositoryConfiguration`. The new owner should be loaded from
* the same file or directory as the previous one, which means that changing the owner does not
* affect {@link #equals} or {@link #hashCode}.
*/
fun transferOwnershipTo(repository: LoadableResourceRepository) {
assert(this.repository.origin == repository.origin)
this.repository = repository
}
/**
* Overridden to not distinguish between repositories loaded from the same file or folder.
*/
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (javaClass != other?.javaClass) return false
other as RepositoryConfiguration
if (repository.origin != other.repository.origin) return false
if (folderConfiguration != other.folderConfiguration) return false
return true
}
/**
* Overridden to not distinguish between repositories loaded from the same file or folder.
*/
override fun hashCode(): Int {
return HashCodes.mix(repository.origin.hashCode(), folderConfiguration.hashCode())
}
}