From b1c4d1f94e35445bdba5a56b614d0ec28a332624 Mon Sep 17 00:00:00 2001 From: Fabian Mastenbroek Date: Thu, 11 Jan 2018 16:27:05 +0100 Subject: refactor(#18): Redesign core simulation API This change contains the redesign of the core simulation API and provides a cleaner interface for developing simulation models for the users. --- .../atlarge/opendc/model/topology/Traversable.kt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 opendc-stdlib/src/main/kotlin/com/atlarge/opendc/model/topology/Traversable.kt (limited to 'opendc-stdlib/src/main/kotlin/com/atlarge/opendc/model/topology/Traversable.kt') diff --git a/opendc-stdlib/src/main/kotlin/com/atlarge/opendc/model/topology/Traversable.kt b/opendc-stdlib/src/main/kotlin/com/atlarge/opendc/model/topology/Traversable.kt new file mode 100644 index 00000000..23720c46 --- /dev/null +++ b/opendc-stdlib/src/main/kotlin/com/atlarge/opendc/model/topology/Traversable.kt @@ -0,0 +1,41 @@ +/* + * MIT License + * + * Copyright (c) 2017 atlarge-research + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +package com.atlarge.opendc.model.topology + +/** + * Filter a [Set] of [Edge]s based on the tag of the edges and return the origin nodes casted to type `T`. + * + * @param tag The tag of the edges to get. + * @return An [Iterable] of the specified type `T` with the given tag. + */ +inline fun Set>.origins(tag: String) = filter { it.tag == tag }.map { it.from as T } + +/** + * Filter a [Set] of [Edge]s based on the tag of the edges and return the destination nodes casted to type `T`. + * + * @param tag The tag of the edges to get. + * @return An [Iterable] of the specified type `T` with the given tag. + */ +inline fun Set>.destinations(tag: String) = filter { it.tag == tag }.map { it.to as T } -- cgit v1.2.3