| /* |
| * Copyright (C) 2014 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 org.jetbrains.android.run; |
| |
| import com.android.ddmlib.IDevice; |
| import com.google.common.collect.Sets; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| /** A simple container that maintains the state of devices at the time of a particular launch. */ |
| public class DeviceStateAtLaunch { |
| /** devices used in a particular launch. */ |
| private final Set<String> myDevicesUsedInLaunch; |
| |
| /** all the devices available at the time of the launch. */ |
| private final Set<String> myDevicesAvailableAtLaunch; |
| |
| public DeviceStateAtLaunch(@NotNull Collection<IDevice> usedDevices, @NotNull Collection<IDevice> allDevices) { |
| myDevicesUsedInLaunch = serialize(usedDevices); |
| myDevicesAvailableAtLaunch = serialize(allDevices); |
| } |
| |
| /** Filters the given set of devices by only selecting those devices that were actually used in this launch. */ |
| public Collection<IDevice> filterByUsed(@NotNull Collection<IDevice> devices) { |
| Set<IDevice> used = Sets.newHashSetWithExpectedSize(myDevicesUsedInLaunch.size()); |
| |
| for (IDevice d : devices) { |
| if (myDevicesUsedInLaunch.contains(d.getSerialNumber())) { |
| used.add(d); |
| } |
| } |
| |
| return used; |
| } |
| |
| /** Whether the devices available now were the same set of devices available at the time of this launch. */ |
| public boolean matchesCurrentAvailableDevices(@NotNull Collection<IDevice> devices) { |
| if (myDevicesAvailableAtLaunch.size() != devices.size()) { |
| return false; |
| } |
| |
| for (IDevice d : devices) { |
| if (!myDevicesAvailableAtLaunch.contains(d.getSerialNumber())) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| /** Whether the given device was used in this launch. */ |
| public boolean usedDevice(@NotNull IDevice device) { |
| return myDevicesUsedInLaunch.contains(device.getSerialNumber()); |
| } |
| |
| private static Set<String> serialize(Collection<IDevice> usedDevices) { |
| Set<String> s = Sets.newHashSetWithExpectedSize(usedDevices.size()); |
| for (IDevice d : usedDevices) { |
| s.add(d.getSerialNumber()); |
| } |
| return s; |
| } |
| } |