build-system/gradle-core/src/main/java/com/android/build/gradle/internal/scope/DelayedActionsExecutor.kt

/*
 * Copyright (C) 2018 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.build.gradle.internal.scope

/**
 * Keep a list of actions to execute later. Actions are Kotlin functions that take no parameter
 * and return nothing.
 */
class DelayedActionsExecutor {
    private val actions = mutableListOf<() -> Unit>()

    /**
     * Adds a new function to be executed once [runAll] is called.
     */
    fun addAction(action: () -> Unit) {
        actions.add(action)
    }

    /**
     * Runs all registered function in the order it was registered.
     */
    fun runAll() {
        actions.forEach { it() }
    }
}